HPWiki

User Tools

Site Tools

service_notes:service_note_index1

Service Notes Index

This page is currently under construction (Wolfgang Schraml). Last synced with Keysight's Online Service Notes DB on 2024-11-10.

If you have any Service Notes not already listed, please reach out to me via PM on groups.io.

Model Number Service Note Type Service Note Number Service Note Description Date
175A Modification Recommended 175A-1A SWEEP AND GATE OUTPUT MODIFICATION KIT; HP Stock No. 175A-95A 1963-04
175A Modification Recommended 175A-2A Serials Below 326-01376 - Thermal Switch Assembly Modification Kit – hp Stock NO. 175A-95E 1986-01
175A Modification Recommended 175A-5 Serials Below 413-02326 – Modification of 175A for 1784A Recorder Plug-in 1965-04
175A Modification Recommended 175A-6 Serial Prefix Below 450- New Vertical Output Printed Circuit Board 175A-65W 1965-04
175A Modification Recommended 175A-7 All Serials – Improved Sweep Operation 1965-04
175A Modification Recommended 175A-8 Serial Prefixes Below 436- INCREASED VERTICAL DC STABILITY 1965-07
175A Modification Recommended 175A-9 All Serials – Improved Trigger Circuit Stability 1965-10
175A Modification Recommended 175A-10 Serials Prefixed Below 326- Fan Filter Replacement Kit 00175-69501 1965-10
175A Modification Recommended 175A-11 Serials Below 530-04101 – IMPROVED HIGH FREQUENCY TRIGGERING 1965-12
175A Modification Recommended 175A-12 Serial Prefix 530- and Below - Improved Complex Waveform Triggering – Parts Kit # 00175-69502 1966-03
175A Modification Recommended 175A-14 Serial Numbers 633-04850 and Below - Improved Triggering Stability 1966-11
175A Modification Recommended 175A-15 Serial No. 633-06036 and Below - Thermal Switch Assembly Modification Kit – hp Stock NO. 175A-95F 1968-01
202B Modification Recommended 202B-1 PROCEDURE FOR REPLACING MECHANICAL DRIVE CABLES ON MODEL 202B 1954.07.28
211A Modification Recommended 211A-1A Serial No. 1463 and Below - REPLACEMENT FAN KIT hp STOCK NO. 211A-95A 1965-12
330B Modification Recommended 330B-3E MODELS 330B, 330C, & 330D DISTORTION ANALYZERS TEST PROCEDURE unknown
346A Information Only 346A-03 Change in ENR accuracy specification 1992.12.01
346A Information Only 346A-04 Bias current adjustment may be necessary to meet ENR specs 2001.06.08
346B Information Only 346B-07 Change in ENR accuracy specification 1992.12.01
346B Information Only 346B-08 Bias current adjustment may be necessary to meet ENR specs 2001.06.08
346C Information Only 346C-01 Change in ENR accuracy specification 1992.12.01
346C Modification Recommended 346C-02 Mod eliminates 425MHz spurious oscillations 1994.05.26
346C Information Only 346C-03 New SWR specifications 2000.11.03
346C Information Only 346C-04 Bias current adjustment may be necessary to meet ENR specs 2001.06.14
382A Modification Recommended 382A-1A MODELS G382A, C382A, J382A, H382A, X382A AND P382A - BROADBAND PRECISION WAVEGUIDE VARIABLE ATTENUATOR – CALIBRATION AND ALIGNMENT PROCEDLTRES unknown
400D Modification Recommended 400D-2C MODELS 400D, 400H, AND 400L VACUUM TUBE VOLTMETERS - TEST, ADJUSTMENT, AND CERTIFICATION METHODS 1965-06
400D Modification Recommended 400D-4B MODEL 400D/H VACUUM TUBE VOLTMETERS - 400D serial 17970 and below, 400H serial 2237 and below - REDUCTION OF RESIDUAL NOISE MODIFICATION KIT - HP STOCK NO. 400D-95B 1968-06
410C Safety 410C-14A-S ELIMINATION OF A POTENTIAL SAFETY HAZARD 1976-01
412A Modification Recommended 412A-2A REPLACEMENT OF RANGE SWITCH ASSEMBLY – STOCK NO. 412A-19W unknown
412A Modification Recommended 412A-4 SERIAL 004-03632 AND BELOW – BIAS CIRCUIT IMPROVEMENTS unknown
412A Modification Recommended 412A-5 SERIALS 134-07482 AND BELOW - INPUT CABLE MODIFICATION KIT – HP STOCK NO. 412A-95B 1963-06
412A Modification Recommended 412A-6 RANGE SWITCH MAINTENANCE 1964-08
412A Modification Recommended 412A-7 REPLACEABLE PARTS FOR VOLTAGE PROBE ASSEMBLY 1964-12
412A Modification Recommended 412A-8 Serials 134-07482 and Below - INPUT CABLE MODIFICATION KIT, HP PART NO. 00412-69501 1965-01
412A/AR Various 00412-90001 412A/AR DC Vacuum Tube Voltmeter Service Notes Collection 1969-08
412AR Modification Recommended 412AR-2 SERIAL 134-05282 AND BELOW – IMPROVED GROUND CONNECTION unknown
416A Modification Recommended 416A-2A SERIALS PREFIXED 002- & BELOW - REPLACEMENT OF CONTROL TUBE V2 FOR INCREASED STABILITY unknown
432A Information Only 432A-1 An Alternate Method to Calibrate the 432A 1968-11
438A Modification Recommended 438A-13 Modification to Eliminate Measurement Instability 1996-01
438A Modification Recommended 438A-14A Modification to Eliminate Loose Reference Oscillator N-type connectors 1997-07
523DR Modification Recommended 523DR-2 SERIAL NO. 010-00425 AND BELOW – CONNECTIONS FOR STANDBY OPERATION OF CRYSTAL OVEN unknown
523DR Modification Recommended 523DR-3A SERIALS BELOW 826 – TRIGGER UNIT MODIFICATION unknown
608A Modification Recommended P-608A-34 Replacement Attenuator Assembly 1969-02
608B Modification Recommended P-608A-34 Replacement Attenuator Assembly 1969-02
608C Modification Recommended 608C-2 Modification for Regulated DC Filament Operation 1957-01
608C Modification Recommended P-608A-34 Replacement Attenuator Assembly 1969-02
608D Modification Recommended P-608A-34 Replacement Attenuator Assembly 1969-02
608E Modification Recommended P-608A-34 Replacement Attenuator Assembly 1969-02
608F Modification Recommended P-608A-34 Replacement Attenuator Assembly 1969-02
1146B Modification Recommended 1146B-01 All units expected to fail BW measurement accuracy at DC- 100 KHz -3dB spec. Those units having + gain @ at 0.22 dB or @ 15% higher than upper spec (0 dB). 2015.04.30
1147A Information Only 1147A-01 The 1147A has been discontinued and replaced by the 1147B. It is in support until Sept 1, 2018. If there are any support needs for the 1147A, then use the 1147B product. 2013.05.15
1153A Information Only 1153A-01 Performance verification testing procedure not in manual. Use the procedures in the 1141A manual 2002.01.14
1156A Modification Recommended 1156A-01 This product 1156A was scheduled to go End of Support in Sept 2016, but to circumstances that were out of Keysight Technologies control we were forced to End Service life prematurely. 2016.06.09
1157A Modification Recommended 1157A-01 This product 1157A was scheduled to go End of Support in Sept 2019, but to circumstances that were out of Keysight Technologies control we were forced to End Service life prematurely. 2016.06.09
1158A Information Only 1158A-01 Bandwith performance test 2001.11.06
1158A Modification Recommended 1158A-02 This product 1158A was scheduled to go End of Support in Sept 2019, but to circumstances that were out of Keysight Technologies control we were forced to End Service life prematurely. 2016.06.09
1159A Information Only 1159A-03 Changes in specifications eliminates the need for some of the performance test ranges. 2004.05.05
1310B Modification Recommended 1310B-1 ARCING/BREAKDOWN OF PA CONNECTOR 1981-11
1332A Modification Recommended 1332A-1 Possible Lack of Sufficient Range of Intensity Limit Adjustment if CRT is Replaced 1975-03
1332A Modification Recommended 1332A-2 Preferred parts replacement for resistors A1R86 and A1R87 used with Model 1332A Option 216 1975-06
1332A Modification Recommended 1332A-5 IMPROVED RELIABILITY FOR TilE Z-AXIS AMPLIFIER 1977-04
1333A Modification Recommended 1333A-1 IMPROVED RELIABILITY FOR THE Z-AXIS AMPLIFIER 1977-04
1335A Modification Recommended 1335A-2 Improved Storage Circuitry Reliability 1977-04
1335A Modification Recommended 1335A-3 Improved Reliability For The Z-Axis Amplifier 1977-04
1660A Priority Safety 1660A-02-S Potentially defective line filter may cause shock hazard 1996.03.14
1660AS Priority Safety 1660AS-02-S Potentially defective line filter may cause shock hazard 1996.03.14
1660C Safety 1660C-01-S Potentially defective line filter may cause shock hazard 1996.03.14
1660CS Safety 1660CS-01-S Potentially defective line filter may cause shock hazard 1996.03.14
1660CS Modification Available 1660CS-03A Error in the Threshold Accuracy Test 2002.05.29
1661A Priority Safety 1661A-02-S Potentially defective line filter may cause shock hazard 1996.03.14
1661AS Safety 1661AS-02-S Potentially defective line filter may cause shock hazard 1996.03.14
1661C Safety 1661C-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1661CS Safety 1661CS-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1662A Modification Recommended 1662A-1 Correct Software Error/Flash ROM Failure 1994-10
1662A Safety 1662A-02-S Potentially defective line filter may cause shock hazard 1996.01.31
1662AS Safety 1662AS-02-S Potentially defective line filter may cause shock hazard 1996.01.31
1662C Safety 1662C-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1662CS Safety 1662CS-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1663A Priority Safety 1663A-02-S Potentially defective line filter may cause shock hazard 1996.03.14
1663AS Safety 1663AS-02-S Potentially defective line filter may cause shock hazard 1996.01.31
1663C Priority Safety 1663C-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1663CS Safety 1663CS-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1664A Safety 1664A-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1670A Safety 1670A-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1671A Safety 1671A-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1672A Safety 1672A-01-S Potentially defective line filter may cause shock hazard 1996.01.31
1680A Information Only 1680A-01 Incorrect limits stated for Time Interval Accuracy veriufication in the 1680/90-series service manual Performance Test Record 2001.11.30
1680AD Modification Available 1680AD-01 Japanese Help System now available. 2002.02.26
1690A Modification Available 1690A-01 Japanese Help System now available. 2002.02.26
1690AD Modification Available 1690AD-01 Japanese Help System now available. 2002.02.26
1710A Modification Recommended 1710A-1 Vertical Amplifier Protection Modification 1973-11
1710A Modification Recommended 1710A-2 CRT Burn Protection Modification 1974-01
1710A Modification Recommended 1710A-3 Modification to change Synchronized Chop Mode to a Free-running Chop Mode 1974-03
1710A Modification Recommended 1710A-4 Probe Power Modification 1974-04
1730B Modification Recommended 1730B-01 System may hang or crash reporting an error with port 3. 2003.08.21
1750B Modification Recommended 1750B-1 Serials Below 435-00176 – Increased Frequency Response 1965-04
1750B Modification Recommended 1750B-2 Serials Below 543-00616 - Improved B Trigger Out; Parts Kit 01750-69501 1965-11
1750B Modification Recommended 1750B-3 Serials Beginning with 516-00426 – Selected Transistor Replacement for Optimum Pulse Response 1965-10
1750B Modification Recommended 1750B-4 Serial Prefixes Below 516- Improved DC Balance; Parts Kit #01750-69502 1965-11
1781B Modification Recommended 1781B-1 Serials below 415-01026 - INCREASED MIXED SWEEP STABILITY 1964-07
1980A/B Modification Recommended 1980A-2 All Serial Prefixes – PROPER LINE FUSING 1980-10
1980A/B Modification Recommended 1980B-5 Serials Prefixed 2131A-and Below - HP-IB TALK/LISTEN AND ROM REPLACEMENT 1981-08
1980A/B Modification Recommended 1980B-5A Serials Prefixed 2131A-and Below - HP-IB TALK/LISTEN AND ROM REPLACEMENT 1981-11
1980A/B Modification Recommended 1980B-6 Serials Prefixed 2131A-and Below – REPLACEMENT OPERATING ROMs 1981-08
1980A/B Modification Recommended 1980B-7 Serials Prefixed 2131A-and Below OPERATING/PROGRAMMING COMPATIBILITY (between different vintage Instruments) 1981-08
3235A Modification Recommended 3235A-16A Recommended AC switch replacement eliminates intermittent failures 1992.09.01
3235E Modification Recommended 3235E-16A Recommended AC switch replacement eliminates intermittent failures 1992.08.31
3235E Modification Recommended 3235E-15 Procedure replaces weak links on mass quick interconnect mechanism 1992.02.29
3245A Information Only 3245A-04 10x high voltage option, Opt 002, requires different source and backplane assys 1992.06.01
3456A Modification Available 3456A-13A MODIFICATION FOR DIGITAL CIRCUITRY ENHANCEMENT 1988-03
3456A Modification Available 3456A-14A ENHANCING ANALOG CIRCUITRY 1988-03
3456A Modification Available 3456A-15B ENHANCEMENT OF MAIN CONTROLLER BOARD (A4) 1988-06
3456A Safety 3456A-24A-S Exposed high voltage potentials when servicing 3456A 1991.11.21
3458A Modification Recommended 3458A-01C A/D linearity improvement. 2002.04.08
3458A Information Only 3458A-04A Apparent failure at turn-on or when given a “RESET” command 2002.04.09
3458A Modification Recommended 3458A-06A Modification to fix Hardware error ""ac offset dac 10mV invalid cal value: 184"". 2002.04.08
3458A Modification Recommended 3458A-07B Modification to fix intermittent error ""Multislope Rundown Conversion"". 2002.04.09
3458A Information Only 3458A-08A Incorrectly Labeled Line Voltage Switches May Cause Switch Setting Confusion 2002.04.10
3458A Information Only 3458A-10A 3458A Documentation Available As “On-Line” Files 2002.04.10
3458A Modification Available 3458A-11A Reduction of ac noise when measuring ACV and using twisted shielded pair cables. 2002.04.09
3458A Modification Available 3458A-12B Outguard Firmware Upgrade: Enhancements, Fixes, & Changes (Rev. 8) 2002.04.11
3458A Modification Available 3458A-12C Outguard Firmware Upgrade: Enhancements, Fixes, & Changes (Rev. 9) 2010.12.12
3458A Modification Recommended 3458A-13A GPIB communication failures using the 3458A. 2002.04.10
3458A Information Only 3458A-14B Calibration Error After Power “On” or After an “ACAL” 2002.05.20
3458A Information Only 3458A-15C CAL RAM Battery Preventative Maintenance for the Outguard Controller (A5) Assembly 2006.10.20
3458A Information Only 3458A-15D CAL RAM Battery Preventative Maintenance for the Outguard Controller (A5) Assembly 2010.03.12
3458A Information Only 3458A-16 The original 3458A fan filter (3150-0300) is no longer available. The replacement fan filter uses three unique parts. 2002.11.07
3458A Information Only 3458A-17 Errors May Occur if ACAL AC is Initiated From the 4-Wire Ohms Function 2004.11.17
3458A Modification Recommended 3458A-18A Time Drift issues 2007.02.12
3458A Information Only 3458A-19A The original 3458A A5 (PC Assy-Outgard Controller) is no longer available. The replacement kit consists of two unique parts and an installation note. 2007.04.10
3458A Information Only 3458A-19B The A5 assembly update kit 03458-80047 & 03458-80048 are now available until gone. The replacement kit (03458-80049) consists of two parts and an installation note. 2020.03.25
3458A Modification Recommended 3458A-20 Bad SRAM causing Cal Ram batteries to fail prematurely 2008.12.03
3458A Information Only 3458A-25 3458A will have 148kB extended memory as standard. 2019.07.31
3458A Information Only 3458A-27 3458A rear bezels have capture nuts used with either M3 or M3.5 screws. 2020.05.21
3458A Information Only 3458A-29 Instructions before ordering a replacement A/D Converter (A3) PCA (03458-66533) 2021.12.14
3499A Modification Recommended 3499A-01 DC power wire replacement to lessen noise level 2000.11.07
3499A Modification Recommended 3499A-02 Heavy inductive load may cause display to go dark or freeze up 2000.11.07
3499A Modification Recommended 3499A-03B No display or blinking after turn on. Battery leakage 2001.05.29
3499A Information Only 3499A-04 3499A/B firmware 3.0 released to support new 3499A/B switch modules 2001.12.03
3499A Modification Recommended 3499A-05B Blinking or a dark display due to a defect in the battery back-up circuit 2002.09.04
3499A Information Only 3499A-06 3499A/B/C hangs with CLOS:STAT? or OPEN ALL 2003.10.16
3499B Modification Recommended 3499B-01 DC power wire replacement to lessen noise level 2000.11.07
3499B Modification Recommended 3499B-02 Heavy inductive load may cause display to go dark or freeze up 2000.11.07
3499B Modification Recommended 3499B-03B No display or blinking after turn on. Battery leakage 2001.05.29
3499B Modification Recommended 3499B-05B Blinking or a dark display due to a defect in the battery back-up circuit 2002.09.04
3499B Information Only 3499B-06 3499A/B/C hangs with CLOS:STAT? or OPEN ALL 2003.10.16
3499C Information Only 3499C-06 3499A/B/C hangs with CLOS:STAT? or OPEN ALL 2003.10.16
3582A Modification Available 3582A-16 Modification to A13 Rev. D board for use in older 3582As 1991.12.12
3582A Modification Available 3582A-17 Modification to A13 Rev. D board for use in older 3582As 1992.04.09
3582A Modification Available 3582A-18 Modification to prevent A1K6 input relay from welding shut 1993.02.20
3785A Modification Available 3785A-25 Mod ensures conformance to performance test 1993.05.31
3787B Modification Available 3787B-12 Instructions on retrofitting Opt 003 (voice channel output) 1992.04.30
3789B Modification Available 3789B-02A Retrofitting options 002 (2nd measu) and 003 (2nd measu & DS3 jitter measu) 1992.04.30
3789B Modification Available 3789B-04B Modification eliminates noise from HP 3789B input port 1994.08.04
4062C Modification Recommended 4062C-05 Recommended replacement of incorrect AC line breaker 1992.03.31
4062C Information Only 4062C-06 How to fix low +12V in HP 4084B sw. matrix controller 1995.11.01
4062C Modification Recommended 4062C-09A Solution for open relay coil failure 1999.02.17
4062F Information Only 4062F-01 How to fix low +12V in HP 4084B sw. matrix controller 1995.11.01
4062F Modification Recommended 4062F-02 Design change of cabinet front door 1997.02.10
4062F Modification Recommended 4062F-03 Modification to improve heat dissipation 1997.02.10
4062F Modification Recommended 4062F-07A Solution for open relay coil failure 1999.02.17
4062UX Modification Recommended 4062UX-05 Recommended replacement of incorrect AC line breaker 1992.03.31
4062UX Information Only 4062UX-06 How to fix low +12V in HP 4084B sw. matrix controller 1995.11.01
4062UX Modification Recommended 4062UX-10A Solution for open relay coil failure 1999.02.17
4084B Information Only 4084B-01 Preferred replacement for the cooling fan assembly 1992.04.01
4084B Information Only 4084B-02 How to fix low +12V in HP 4084B sw. matrix controller 1995.11.01
4085M Information Only 4085M-02 How to fix low +12V in HP 4084B sw. matrix controller 1995.11.01
4086A Information Only 4086A-01 Preferred replacement for the cooling fan assembly 1992.04.01
4140B Information Only 4140B-16 Preferred replacement for the cooling fan assembly 1992.04.01
4142B Modification Recommended 4142B-10 Recommended replacement of F5 & F6 fuses on the A1 power supply 1992.03.31
4142B Information Only 4142B-11 Repair strategy of 41420A SMU, 41423A HVU, and power supply module 1992.06.01
4142B Modification Recommended 4142B-12 HCU's current compliance may occur unexpectedly 1995.01.11
4142B Modification Recommended 4142B-13 ROM replacement to correct PT command default pulse width 1996.06.13
4142B Information Only 4142B-14 Firmware revision and its ROM part numbers 1996.11.22
4142B Information Only 4142B-15 Replacement of BNC-to-Banana Plug Cable for PV 2004.07.09
4145A Information Only 4145A-14 Instructions on repairing flexible disk drive 1992.03.01
4145B Modification Recommended 4145B-02A SMU brd mod prnts spike when measurng amps with a rnge chnge 1994.06.23
4145B Modification Recommended 4145B-06 New fan eliminates excess noise 1992.03.31
4145B Information Only 4145B-07 Preferred replacement CRT display 1992.04.01
4155A Modification Recommended 4155A-01 Updating the preliminary ROMs with formal-released ROMs 1994.03.10
4155A Modification Recommended 4155A-02 New power supply prevents shut-down failures 1994.10.10
4155A Modification Recommended 4155A-03 Motherboard replment for SMU selftest/selfcalib error 10x24 1994.11.03
4155A Modification Recommended 4155A-04 New front panel prevents rotary knob from rubbing front panel 1994.11.03
4155A Modification Recommended 4155A-05 New front panel prevents push button keys from sticking 1994.11.03
4155A Modification Recommended 4155A-06 Replacing CPU board ROMs fixes firmware defects 1995.02.16
4155A Modification Recommended 4155A-07 Replacing CPU board ROMs fix firmware defects 1996.06.13
4155A Information Only 4155A-08 Flexible Disk Drive Discontinuance and Replacement 2001.01.08
4155A Modification Recommended 4155A-09A Power Supl Replcmnt to Prevent Shutdown/Reboot Problem 2000.01.17
4155A Modification Recommended 4155A-10A Replacing CPU board ROMs to fix firmware defects 1998.10.07
4155A Modification Recommended 4155A-11 SMU controller firmware update to fix SMU glitch problem 1998.10.07
4155A Modification Recommended 4155A-12 SMU controller firmware update to use 41501B expander 1998.10.07
4155A Modification Recommended 4155A-13 Firmware update to fix SMU glitch problem 1998.11.23
4155B Modification Recommended 4155B-01 SMU controller firmware update to fix SMU glitch problem 1998.10.07
4155B Modification Recommended 4155B-02 CPU board replacement to prevent startup failures 1998.10.07
4155B Modification Recommended 4155B-03 Firmware update to fix SMU glitch problem 1998.11.10
4155B Modification Recommended 4155B-04 Firmware update to fix CPU restart problem 1998.11.10
4155B Modification Recommended 4155B-05 CPU board replacement to prevent startup failures 1999.02.17
4155B Information Only 4155B-06 CPU board replacement to prevent startup failures 1999.02.18
4155B Modification Recommended 4155B-07 Firmware update to remedy units not responding in pulsed sweep mode 1999.02.17
4155B Modification Recommended 4155B-08 New firmware fixes incorrect measurement status problem 1999.06.23
4155B Modification Recommended 4155B-09 Main power switch is stuck 2000.10.25
4155B Modification Recommended 4155B-10 Firmware update to fix some problems 2001.06.07
4155B Modification Recommended 4155B-11 Firmware update to fix whining noise from CPU board beeper 2001.06.18
4155B Information Only 4155B-12 LCD Replaceable Unit Change 2003.11.24
4155C Modification Recommended 4155C-01 Firmware update to fix HRVSU/VMU Diag Fail problem 2001.05.29
4155C Modification Recommended 4155C-02 Firmware update to fix some problems 2001.06.07
4155C Modification Recommended 4155C-03 Firmware update to fix whining noise from CPU board beeper 2001.06.18
4155C Modification Recommended 4155C-04 LCD Picture Intermittently Reverses Or Is Not Displayed 2003.11.30
4155C Modification Recommended 4155C-05 LCD Picture Intermittently Reverses or is not Displayed 2006.05.07
4156A Modification Recommended 4156A-01 Updating the preliminary ROMs with formal-released ROMs 1994.03.10
4156A Modification Recommended 4156A-02 New power supply prevents shut-down failures 1994.10.10
4156A Modification Recommended 4156A-03 Repair for SMU selftest/selfcalibration error 10x24 1994.11.03
4156A Modification Recommended 4156A-04 New front panel prevents rotary knob from rubbing front panel 1994.11.03
4156A Modification Recommended 4156A-05 New front panel prevents push button keys from sticking 1994.11.03
4156A Information Only 4156A-06 Incorrect power-on test error codes 1995.01.12
4156A Modification Recommended 4156A-07 Replacing CPU board ROMs fixes firmware defects 1995.02.16
4156A Modification Recommended 4156A-08 Replacing CPU board ROMs fix firmware defects 1996.06.13
4156A Information Only 4156A-09 Flexible Disk Drive Discontinuance and Replacement 2001.01.08
4156A Modification Recommended 4156A-10A Power Supl Replcmnt to Prevent Shutdown/Reboot Problem 2000.01.17
4156A Modification Recommended 4156A-11A Replacing CPU board ROMs to fix firmware defects 1998.10.07
4156A Modification Recommended 4156A-12 SMU controller firmware update to fix SMU glitch problem 1998.10.07
4156A Modification Recommended 4156A-13 SMU controller firmware update to use 41501B expander 1998.10.07
4156A Modification Recommended 4156A-14 Firmware update to fix SMU glitch problem 1998.11.23
4156B Modification Recommended 4156B-01 SMU controller firmware update to fix SMU glitch problem 1998.10.07
4156B Modification Recommended 4156B-02 CPU board replacement to prevent startup failures 1998.10.07
4156B Modification Recommended 4156B-03 Firmware update to fix SMU glitch problem 1998.11.10
4156B Modification Recommended 4156B-04 Firmware update to fix CPU restart problem 1998.11.10
4156B Modification Recommended 4156B-05 CPU board replacement to prevent startup failures 1999.02.17
4156B Information Only 4156B-06 Flexible Disk Drive Change 1999.02.18
4156B Modification Recommended 4156B-07 Firmware update to remedy units not responding in pulsed sweep mode 1999.02.17
4156B Modification Recommended 4156B-08 New firmware fixes incorrect measurement status problem 1999.06.23
4156B Modification Recommended 4156B-09 Main power switch is stuck 2000.10.25
4156B Modification Recommended 4156B-10 Firmware update to fix some problems 2001.06.07
4156B Modification Recommended 4156B-11 Firmware update to fix whining noise from CPU board beeper 2001.06.18
4156B Information Only 4156B-12 LCD Replaceable Unit Change 2003.11.24
4156C Modification Recommended 4156C-01 Firmware update to fix HRVSU/VMU Diag Fail problem 2001.05.29
4156C Modification Recommended 4156C-02 Firmware update to fix some problems 2001.06.07
4156C Modification Recommended 4156C-03 Firmware update to fix whining noise from CPU board beeper 2001.06.18
4156C Modification Recommended 4156C-04 LCD Picture Intermittently Reverses Or Is Not Displayed 2003.11.30
4156C Modification Recommended 4156C-05 LCD Picture Intermittently Reverses or is not Displayed 2006.05.07
4263B Modification Recommended 4263B-01 Firmware upgrade corrects ADC error in DC biased measurement 1996.11.21
4263B Modification Recommended 4263B-02 Mod to prevent ""ADC FAILURE"" after power on / Reset is done 1998.12.14
4263B Modification Recommended 4263B-03 Modification to prevent ""EEPROM R/W FAILED"" 1998.12.14
4263B Modification Recommended 4263B-04 Mod to prevent ""ADC FAILURE"" when Recall function is used 1998.12.14
4263B Modification Recommended 4263B-05 The HP4263B short correction value is large by only 100kHZ on the Test Fixture 1999.06.23
4263B Modification Recommended 4263B-06 Measurement accuracy may be out of specification 2001.02.12
4263B Modification Recommended 4263B-07A Modification to fix intermittent illigal data readings 2001.08.22
4263B Modification Recommended 4263B-08 Incorrect characters might be displayed on rare occasions. 2004.09.21
4263B Information Only 4263B-10 Test Signal Frequency Accuracy Performance Verification enhancement 2014.02.25
4268A Modification Recommended 4268A-01 Modification to prevent missing an external trigger signal 2000.10.31
4268A Information Only 4268A-02 Repair strategy for special option S5V 2000.11.09
4268A Priority Safety 4268A-03-S A broken AC inlet may potentially result in a electric shock hazard 2000.10.08
4268A Information Only 4268A-04 Power Supply Switch Part Number Change. 2003.02.10
4278A Information Only 4278A-14 Recommended replacement part 2001.06.05
4279A Information Only 4279A-03A New Replacement Parts for CPU Board and EEPROM. 2003.02.10
4279A Information Only 4279A-04 New Part Numbers for LCD, LCD Control and Front Keyboard Assemblies 2002.07.22
4284A Modification Recommended 4284A-11A Modification prevents bias current source fuse from blowing 1995.01.11
4284A Modification Recommended 4284A-13 Mod to eliminate ""Scanner data CSUM error"" 2000.11.12
4284A Information Only 4284A-14A New Replacement Parts for CPU Board and EEPROM. 2003.02.10
4284A Information Only 4284A-15 New Part Numbers for LCD, LCD Control and Front Keyboard Assemblies 2002.07.22
4284A Modification Recommended 4284A-16 Modification Required to Add A20 GPIB Interface 2003.04.01
4285A Modification Recommended 4285A-09A Mod prevents bias current source fuse from blowing 1995.01.11
4285A Modification Recommended 4285A-11 Mod to eliminate ""Scanner data CSUM error"" 2000.11.12
4285A Information Only 4285A-12A New Replacement Parts for CPU board and EEPROM. 2003.02.10
4285A Information Only 4285A-13 New Part Numbers for LCD, LCD Control and Front Keyboard Assemblies 2002.07.22
4286A Modification Recommended 4286A-04 Modification to fix Internal Real Time Clock Delay trouble 1998-07
4287A Modification Recommended 4287A-01A Mod to fix booting problem 2000.11.12
4287A Modification Recommended 4287A-02 Repair of error ""Power on test faild"" about applicable serial number. 2001.12.18
4287A Information Only 4287A-03 HDD repair procedure is changed 2005.01.13
4287A Information Only 4287A-04 Repair procedure for 4287A, option 011 (Solid-State Mass Storage) is changed 2005.06.08
4287A Information Only 4287A-05 Available New System Firmware, Rev.02.01 2005.07.25
4287A Information Only 4287A-06B Part Number Change for the LAN I/F Card, the CPU part, ISA GPIB Card and LCD (Windows98 compliance) 2007.02.21
4287A Modification Recommended 4287A-07A “PLL unlock” Error Message due to A3 Source Board Failure 2008.07.09
4287A Modification Recommended 4287A-08 Abrupt hang-up in continuous measurements 2007.02.06
4287A Information Only 4287A-09 While replacing A20 ATX Digital Mother Board, use the new part-numbers 2007.04.24
4287A Modification Recommended 4287A-10 Unable to detect GPIB card causing slow response in measurement 2007.08.08
4287A Information Only 4287A-11 Digital Motherboard Part Number change 2014.01.21
4287A Information Only 4287A-12 Use user’s 16195B, when performing the 4287A performance test 2014.02.04
4288A Modification Recommended 4288A-01 Firmware update for bug fix 2001.05.24
4288A Information Only 4288A-02 Power Supply Switch Part Number Change 2003.08.28
4288A Modification Recommended 4288A-03 Incorrect items for instrument setup screens might be displayed on rare occasions. 2004.09.21
4288A Modification Recommended 4288A-04A The specification of D factor at 1MHz becomes out of specification because of the wrong linearity 2006.06.04
4288A Information Only 4288A-05 Intermittent display of OVLD or a high capacitance value when measuring Open state 2006.10.25
4288A Modification Recommended 4288A-06 E21 Save Failed problem on Save function and OVLD display problem on Multi Compensation function 2007.01.29
4291A Modification Recommended 4291A-04 Modification to fix Internal Real Time Clock Delay trouble 1998-07
4291B Modification Recommended 4291B-01 Mod to fix intermittent display problem 1998.10.07
4291B Modification Recommended 4291B-02A To fix internal real time clock delay trouble 1998.11.10
4291B Modification Recommended 4291B-03 Mod to fix sample program error for high temp. option 013 & 014 1998.11.10
4291B Modification Recommended 4291B-04 Measured accuracy test fail 1998.11.10
4291B Safety 4291B-05-S Power supply does not comply with CSA950/IEC950 stadards 1998.12.14
4291B Modification Recommended 4291B-06 No display when power is on 1998.08.09
4291B Priority Safety 4291B-07-S A broken AC inlet may potentially result in a electric shock hazard 2000.10.08
4291B Modification Recommended 4291B-08A Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. 2002.05.01
4294A Modification Recommended 4294A-01 External tests for analog circuits 2002.11.02
4294A Safety 4294A-02A-S A broken AC inlet may potentially result in an electric shock hazard. 2012.02.27
4294A Modification Recommended 4294A-03A Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. 2002.05.01
4294A Modification Recommended 4294A-04 Intermittent failure about A8 (Vector Ratio Detector) 2002.05.27
4294A Information Only 4294A-05E Part Number Changes for LCD and LCD Assemblies with backlight lamp change recommendation 2015.12.29
4294A Information Only 4294A-06A Power Supply Switch Part Number Change 2010.01.21
4338B Modification Recommended 4338B-01 Incorrect characters might be displayed on rare occasions. 2004.09.28
4338B Information Only 4338B-02 Design changes in 4338B cable assembly 2012.02.17
4339B Modification Recommended 4339B-01 Mod to prevent "":SYST:ERR?"" HP-IB command problem 1999.02.17
4339B Modification Recommended 4339B-02 Mod to prevent unit from hanging up when improper OPEN correction is performed 1999.02.17
4339B Modification Recommended 4339B-03 Mod to fix incorrect Handler Interface signal 1999.02.17
4339B Modification Recommended 4339B-04 Incorrect characters might be displayed on rare occasions 2004.09.27
4339B Modification Recommended 4339B-05 Offset Voltage Test might fail, during PVT 2017.09.18
4349B Modification Recommended 4349B-01 Modification to prevent ":SYST:ERR?" HP-IB command problem 1998.12.31
4349B Modification Recommended 4349B-02 Mod to prevent unit from hanging up when improper OPEN correction is performed 1999.02.17
4349B Modification Recommended 4349B-03 Mod to fix incorrect Handler Interface signal 1999.02.17
4349B Modification Recommended 4349B-04 Incorrect characters might be displayed on rare occasions. 2004.09.28
4349B Modification Recommended 4349B-05 Remedy for OVLD display due to incomplete soldering of capacitor on A1board 2006.10.04
4352A Modification Recommended 4352A-01 Modification to fix Internal Real Time Clock Delay trouble 1998-07
4352B Safety 4352B-07-S POWER SUPPLY DOES NOT COMPLY WITH CSA950/IEC950 STANDARDS 1998.06.30
4352B Priority Safety 4352B-08-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
4395A Information Only 4395A-01 Replacement for obsoleted LCD P/N 2090-0534 1998.10.14
4395A Modification Recommended 4395A-02 Mod to prevent intermittent display problem 1998.10.13
4395A Modification Recommended 4395A-03 Mod to prevent intermittent display problem 1998.10.13
4395A Information Only 4395A-04 Use of GSP HP P/N E4970-66551 and LCD HP P/N 2090-0574 may cause display problems 1998.10.14
4395A Modification Recommended 4395A-05 Mod to fix internal real time clock delay trouble 1998.10.07
4395A Safety 4395A-06-S POWER SUPPLY DOES NOT COMPLY WITH CSA950/IEC950 STANDARDS 1998.07.31
4395A Modification Recommended 4395A-07 No display when power is on 1999.08.09
4395A Priority Safety 4395A-09-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
4395A Modification Recommended 4395A-10A Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. 2002.05.01
4395A Modification Recommended 4395A-11 Spurious on the trace trouble in Network measurement mode 2001.07.16
4395A Information Only 4395A-12C New Replacement Parts for YTO and A5 Assemblies 2007.05.23
4395A Information Only 4395A-13A Part number change for LCD 2004.03.23
4395A Information Only 4395A-14A Part Number Changes for Power Supply Switch Parts 2006.07.31
4395A Information Only 4395A-15 New replaceable parts for Probe Power Supply 2002.10.08
4395A Modification Recommended 4395A-16 Firmware upgrade to fix occasional rise in noise floor and the shift of measurement signal in frequency with SA mode. 2005.07.04
4395A Information Only 4395A-17 Upgrade firmware to revision 1.10 when exchanging A8 board of 4392A that has firmware revision below 1.10. 2005.07.05
4395A Information Only 4395A-18 DC SOURCE output current cannot be shut off 2007.01.30
4395A Information Only 4395A-19 Method to Ensure Stable Source Power Measurements in Source Level Accuracy/Flatness Test 2007.01.30
4396A Information Only 4396A-01C Firmware Update and A1 CPU Repair Information 1995-02
4396A Modification Recommended 4396A-02 Firmware Upgrade to Correct Auto Zoom and Save/Recall Operations 1993.01.31
4396A Information Only 4396A-03 Repair Procedure for A1 CPU (pn 04396-66501 or pn 04396-66511) 1993.06.14
4396A Information Only 4396A-04 Firmware Update Procedures 1993.06.14
4396A Modification Recommended 4396A-05 A2 Shutdown Circuit Malfunction 1993.06.10
4396A Modification Recommended 4396A-06 “POWER ON TEST FAILED” or “PHASE LOOK LOOP UNLOCKED” at Low Temperature 1993.06.10
4396A Modification Recommended 4396A-07 “POWER ON TEST FAILED” at Low Temperature 1993.06.10
4396A Information Only 4396A-08 New power switch improves reliability 1993.11.23
4396A Modification Recommended 4396A-09 Low RF output level caused by defective A3A3 1994.01.21
4396A Modification Recommended 4396A-10 Modification improves rubber key sticking 1994.01.21
4396A Modification Recommended 4396A-11 Mod. corrects “PHASE LOCKED LOOP UNLOCKED” at high temperature 1994.02.28
4396A Information Only 4396A-12 Option Upgrade Procedure 1994.03.01
4396A Modification Recommended 4396A-13 New firmware corrects some bugs on firmware revision 3.00 1994-10
4396A Modification Recommended 4396A-14A New firmware corrects incorrect GPIB return value of “*TST?” query. 1995-02
4396A Modification Recommended 4396A-16 Modification to fix Internal Real Time Clock Delay trouble 1998-07
4396B Modification Recommended 4396B-01 Modification to prevent power supply failure 1998.03.01
4396B Information Only 4396B-02 Replacement for obsoleted LCD P/N 2090-0534 1998-08
4396B Modification Recommended 4396B-03 Mod to fix intermittent display problem 1998.10.13
4396B Modification Recommended 4396B-04 Mod to prevent intermittent display problem 1998.10.13
4396B Information Only 4396B-05 Use of GSP PN E4970-66552 and LCD PN 2090-0574 may cause a display problem 1998-07
4396B Modification Recommended 4396B-06A Mod to fix internal real time clock delay trouble 2001.07.15
4396B Safety 4396B-07-S POWER SUPPLY DOES NOT COMPLY WITH CSA950/IEC950 STANDARDS 1998.07.31
4396B Modification Recommended 4396B-08 No display when power is on 1999.08.09
4396B Modification Recommended 4396B-09 No recall of compensation data when using Impedance measurement mode 2000.01.17
4396B Priority Safety 4396B-10-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
4396B Modification Recommended 4396B-11A Power-on failure due to a stressed Capacitor on the DC-DC Converter Board. 2002.05.01
4396B Information Only 4396B-12A Part number changes for LCD 2004.03.23
4396B Information Only 4396B-13 Part Number Changes for Power Supply Switch Parts 2002.09.12
4396B Information Only 4396B-14 New Replaceable Parts for Probe Power Supply 2002.10.08
4396B Information Only 4396B-15 New A3A1 and A3A2 replacement boards to fix signal source problems 2006.09.06
4396B Information Only 4396B-16 0955-0664 Step Attenuator repair procedure 2012.10.25
4800A Modification Available 4800A-02 Thermistor A17R14 Replacement – hp Modification Kit 04800-61043 1968-02
4800A Modification Available 4800A-03 Error in Transformer Wiring 1969-06
4800A Modification Available 4800A-04 Power Supply Modification 1969-10
4934A Modification Recommended 4934A-11A Recommended modification prevents hold circuit failure 1992.10.31
4934A Information Only 4934A-13 Proper top cover recommendation 1996.11.22
4934A Information Only 4934A-14 Notification of fuse location in neutral line 2001.01.08
4934A Safety 4934A-15-S Short Circuit Hazard 1997.08.31
4934A Modification Recommended 4934A-16 Instructions for ground modifications 1998.10.13
4934A Information Only 4934A-17 Discontinuance of battery assembly kit 2000.11.03
4934A Modification Recommended 4934A-18 Receive level problem 2001.06.13
4935A Modification Recommended 4935A-16 Modification to correct signal measurement when using receiver hold circuit 1993.02.28
4948A Modification Recommended 4948A-09 Modification fixes measurement hang-up with error code 2000 1992.07.31
4951C Modification Recommended 4951C-14 Modification to eliminate erroneous ABORT frames 1991.05.31
4952A Modification Available 4952A-12B Available firmware upgrade from Rev. 1.0 to Rev. A.02.02 1992.02.29
4952A Modification Available 4952A-17 Real time clock allows captured data in buffer to be time stamped 1993.02.28
4954A Modification Recommended 4954A-08 New firmware revision 2.1 corrects several known problems 1993.02.28
4957A Modification Available 4957A-01C Available option allows high speed option retrofitting 1994.03.10
4957A Modification Recommended 4957A-04 New ROM fixes DLC Data Bus Contention problem/A1UT4 1992.10.31
4957A Modification Recommended 4957A-05A Modification to prevent enlargement or shrinkage of display 1992.02.29
4957A Modification Recommended 4957A-07 Modification to misloaded diodes corrects ""no display"" 1992.02.29
4957A Modification Recommended 4957A-08 Firmware Revision A.00.01 Anomalies 1992.02.29
4957A Modification Available 4957A-09 Katakana option retrofitting 1992.02.29
4957PC Modification Available 4957PC-01B Available option allows high speed option retrofitting 1993.12.31
4957PC Modification Recommended 4957PC-02 New ROMs fix auto-configuration anomaly 1992.02.29
4957PC Modification Recommended 4957PC-03 Modification to stop monitoring and/or simulating 1992.02.29
4957PC Modification Recommended 4957PC-04 Modification correct MASS STORE or LOAD APPLICATION features 1992.04.30
4980A Information Only 4980A-01 Modifying older 4980A units 1992.10.01
4980A Safety 4980A-02-S Modification to meet grounding standards 1991.10.07
4980A Modification Recommended 4980A-03A Modification to eliminate bad sectors on hard disk drive 1992.05.31
4980A Modification Recommended 4980A-04 Modification prevents trace shorting on the LCD board 1992.04.30
4980A Modification Recommended 4980A-05A Modification to resolve ""Service Request Time-out on Port xxx"" error 1992.05.31
4980A Modification Recommended 4980A-06A Modification to resolve ""Hardware/Software Watchdog Time-out Errors"" 1992.07.31
4980A Modification Available 4980A-07 Directions on upgrading hard disk drive to 105 MByte 1992.06.30
4980A Modification Available 4980A-08 Directions on upgrading capture buffer to 16 MByte 1992.06.30
4980A Modification Recommended 4980A-09 Modification resolves ""bootup/time-out errors"" 1992.10.31
4980A Information Only 4980A-10 Instructions on repairing the color LCD display 1993.02.01
4980A Modification Recommended 4980A-11 LED board mod allows greater range of brightness adjustment 1993.12.12
4981A Information Only 4981A-01 Modifying older 4981A units 1992.10.01
4981A Safety 4981A-02-S Modification to meet grounding standards 1991.10.07
4981A Modification Recommended 4981A-03 Modification eliminates bad sectors on hard disk drive 1992.04.30
4981A Modification Recommended 4981A-04 Modification prevents trace shorting on the LCD board 1992.04.30
4981A Modification Recommended 4981A-05A Modification to resolve ""Service Request Time-out on Port XXX"" error 1992.06.30
4981A Modification Recommended 4981A-06A Modification to resolve ""Hardware/Software Watchdog Time-out Errors"" 1992.07.31
4981A Modification Available 4981A-07 Directions on upgrading hard disk drive to 105 MByte 1992.06.30
4981A Modification Available 4981A-08 Directions on upgrading capture buffer to 16 MByte 1992.06.30
4981A Modification Recommended 4981A-09 Modification resolves ""bootup/time-out errors"" 1992.10.31
4981A Information Only 4981A-10 Instructions on repairing the color LCD display 1993.02.01
4981A Modification Recommended 4981A-11 LED board mod allows greater range of brightness adjustment 1993.12.12
4982A Information Only 4982A-01 Modifying older 4982A units 1992.10.01
4982A Safety 4982A-02-S Modification to meet grounding standards 1991.10.07
4982A Modification Recommended 4982A-03 Modification eliminates bad sectors on hard disk drive 1992.04.30
4982A Modification Recommended 4982A-04 Modification prevents trace shorting on the LCD board 1992.04.30
4982A Modification Recommended 4982A-05A Modification to resolve ""Service Request Time-out on Port XXX"" error 1992.06.30
4982A Modification Recommended 4982A-06A Modification to resolve ""Hardware/Software Watchdog Time-out Errors"" 1992.07.31
4982A Modification Available 4982A-07 Directions on upgrading hard disk drive to 105 MByte 1992.06.30
4982A Modification Available 4982A-08 Directions on upgrading capture buffer to 16 MByte 1992.06.30
4982A Modification Recommended 4982A-09 Modification resolves ""bootup/time-out errors"" 1992.10.31
4982A Information Only 4982A-10 Instructions on repairing the color LCD display 1993.02.01
4982A Modification Recommended 4982A-11 LED board mod allows greater range of brightness adjustment 1993.12.12
4985A Information Only 4985A-01 Procedure to dnload main sys brd MAC addr when replacing board 1994.11.04
4985B Modification Recommended 4985B-01 Noise on int buss causes processor to corrupt its internal program 1998.03.01
4985B Modification Recommended 4985B-02 Auto ring speed detection fails 1998.03.01
4985B Information Only 4985B-03 Exchange/replacement boards require MAC address to be reprogrammed 1998.03.02
4986A Modification Recommended 4986A-01 Modification to power modules improves 5 VDC stability 1995.10.31
4986A Information Only 4986A-02 Lockup with fault light on, lockup with fault light off 1998.10.08
4986A Information Only 4986A-04 Duplicate IP event log created with same MAC address for source/dest 1999.06.24
4986A Information Only 4986A-06 Firmware download failure results with Debug prompt 1999.04.06
4987A Information Only 4987A-02 Firmware download failure results with Debug prompt 1999.04.06
4991A Information Only 4991A-11 Complete description of firmware applications 1993.03.01
4991A Modification Recommended 4991A-12 Modification improves reliability of P1 & P2 power supply connections 1992.10.31
4991A Modification Recommended 4991A-13 Modification to fix ""Node Movement, or Node Hopping,"" and network performance 1992.02.29
4992A Modification Recommended 4992A-02 Modification to fix ""Node Movement, or Node Hopping,"" and network performance 1992.02.29
4995A Modification Recommended 4995A-01 Modification eliminates possible power up problems 1993.03.31
4995A Modification Recommended 4995A-02 Jumper wires in serial controller chip improve performance 1994.10.10
4995A Information Only 4995A-03 Procedure to dnload main sys brd MAC addr when replacing board 1994.11.04
4996A Modification Recommended 4996A-01 Modification eliminates possible power up problems 1993.03.31
4996A Modification Recommended 4996A-02 Jumper wires in serial controller chip improve performance 1994.10.10
4996A Information Only 4996A-03 Procedure to dnload main sys brd MAC addr when replacing board 1994.11.04
5004A Modification Available 5004A-1B DATA PROBE THRESHOLD VOLTAGE ADJUSTMENT AND COMPENSATION 1978-08
5065A Information Only 5065A-06 Recommended replacement of obsolete electrolytic filter capacitor 1996.06.14
5335A Modification Recommended 5335A-23 DEGRADED SENSITIVITY WITH SPECIAL OPTION C10 1988-09
5335A Modification Recommended 5335A-24 PREFERRED REPLACEMENT PART FOR A9CR6 AND A9CR4 1988-10
5335A Modification Recommended 5335A-26B Power Supply relay problem 1992.03.23
5343A Safety 5343A-31C-S New cabinet support strut and top cover 1993.01.12
5344A Safety 5344A-01A-S New cabinet support strut and top cover 1993.01.12
5345A Modification Available 5345A-1 Serial prefix 1428- and below. Input amplifier failures. 1975-01
5345A Modification Available 5345A-2 Serial prefix 1428 and above. Input amplifier failures. 1975-04
5345A Information Only 5345A-6 A9 Maingate Assembly troubleshooting procedure 1977-07
5345A Information Only 5345A-7 A11 Scaler Assembly troubleshooting procedure 1977-07
5345A Information Only 5345A-8 A10 Gate Control Assembly troubleshooting procedure 1977-07
5345A Information Only 5345A-9A 9825 HP-IB verification program for 5345A, opt 011 (Supersedes 5345A-9) 1980.02.05
5345A Information Only 5345A-9B HP-IB verification program for 5345A, opt 011 (Supersedes 5345A-9A) 1981-01
5345A Modification Recommended 5345A-10A Serials 1708 and below. Resistor changes on A4 input trigger assembly (05345-60004) to improve performance. (Supersedes 5345A-10) 1979.02.12
5345A Modification Available 5345A-11 All serials. Modification to A7 linear regulator assembly (05345-60007) to improve +15V supply operation 1978.02.03
5345A Information Only 5345A-12B HP-IB verification program for 5345A, Opt. 012 (Supersedes 5345A-12A) 1981-01
5345A Information Only 5345A-13 All serials. Clarification of special extender board compatibility with 5345A counters. 1978-02
5345A Modification Recommended 5345A-14 All serials. Elimination of shorting between circuit boards and board sockets. 1979-05
5345A Modification Recommended 5345A-15 Serials 1920A and below. Modification to improve mechanical interconnection with plug-ins. 1979-06
5345A Modification Recommended 5345A-16 A13 boards with series 1820 and 1912. Modification to prevent miscounting on REG CLK line 1979-06
5345A Modification Recommended 5345A-16A A13 boards with series 1820 and 1912. Modification to prevent miscounting caused by noise on reg. clk. line. 1980-05
5345A Modification Available 5345A-17 All serials. Summary of A3 and A4 Assembly U1 and U2 changes, replacement part numbers, and bias adjustments 1981-03
5345A Information Only 5345A-18 All serials. ROM part number changes. 1981-09
5345A Information Only 5345A-19A All serials. HP-IB verification program for 5345A option 011 using the HP 85A controller. (Supersedes 5345A-19) 1982-01
5345A Modification Available 5345A-21 All serials. HP-IB modification for Option 012 compatibility with HP 1000L series computers. 1981-09
5345A Modification Available 5345A-22 All options and serial number prefixes. Modification to improve input sensitivity 1982-02
5345A Modification Available 5345A-23 Option 012 serials. Modification to allow counter to respond properly to a serial poll by a series 200 controller. 1984-03
5345A Modification Available 5345A-24 5345A serials 21 34A07500 through 2346A10040 used with the 5355A automatic frequency converter plug-in and the 5356A/B/C frequency converter heads. Modification to prevent miscount problem. 1984-03
5345A Modification Available 5345A-25 All serials. Modification to eliminate temperature sensitive input amplifier. 1984-03
5480A N/A 5480A-1A 20MHz Time Base Replacement – Serial Nos. below 928-00176 1970-01
5480A N/A 5480A-2 Improved A3A9 Address Register 1970-03
5480A N/A 5480A-3 Plotter Interface Problems unknown
5480A N/A 5480A-4 High Frequency Oscillations – All serial numbers except 1132A00220 & 1132A00220 1974-01
5480A/B N/A 5480A-5 Requirements for Averaging 1972-10
5480B N/A 5480B-4 High Frequency Oscillations – All serial numbers except 1132A00220 & 1132A00220 1974-01
5501B Modification Recommended 5501B-02A In many incidences, the temperature adjustment process for the laser heads had been found being adjusted incorrectly. 2002-07
5517A Modification Recommended 5517A-01B Recommended repair of sampler assembly 1995.07.27
5517A Modification Recommended 5517A-02 Recommended repair of sampler assy 1996.03.14
5517A Information Only 5517A-03 Laser Head Optical Feedback Reduction 2001.01.04
5517A Modification Recommended 5517A-04A Temperature adjustment process 2001.07.16
5517B Modification Recommended 5517B-02 Recommended repair of sampler assy 1996.03.14
5517B Information Only 5517B-03 Laser Head Optical Feedback Reduction 2001.01.03
5517B Modification Recommended 5517B-04A Temperature adjustment process 2001.07.16
5517B Modification Recommended 5517B-05A Controller Board A3F1 Nuisance blows 2006.02.09
5517C Modification Recommended 5517C-02 Recommended repair of sampler assy 1996.03.14
5517C Information Only 5517C-03 Laser Head Optical Feedback Reduction 2001.01.04
5517C Modification Recommended 5517C-04A Temperature adjustment process 2001.07.16
5517CN05 Modification Recommended 5517C-05B Controller Board A3F1 Nuisance blows 2006.03.16
5517D Modification Recommended 5517D-02 Recommended repair of sampler assy 1996.03.14
5517D Information Only 5517D-03 Laser Head Optical Feedback Reduction 2001.01.04
5517D Modification Recommended 5517D-04A Temperature adjustment process 2001.07.16
5517DN07 Modification Recommended 5517D-05B Controller Board A3F1 Nuisance blows 2006.03.16
5518A Modification Recommended 5518A-01B Recommended repair of sampler assembly 1995.07.27
5519A Modification Recommended 5519A-02A Temperature adjustment process 2001.07.16
5519A Information Only 5519A-03 Laser Head Optical Feedback Reduction 2001.01.04
5519A Information Only 5519A-04 Adjustment Procedure 2007.03.19
5519B Modification Recommended 5519B-02A Temperature adjustment process 2001.07.16
5519B Information Only 5519B-03 Laser Head Optical Feedback Reduction 2001.01.04
5519B Information Only 5519B-04 Adjustment procedure 2007.03.19
6012A Modification Recommended 6012A-1 Serial Numbers 1946AOO140 and Below CURRENT MONITOR RESISTOR CHANGE 1981-10
6012A Modification Recommended 6012A-2 Serial Numbers 2116AOO300 and Below – NEW FAN INSTALLATION HARDWARE 1981-10
6012A Modification Recommended 6012A-3 MODIFICATION TO STABILIZE CONTROL BOARD IN PCB EDGE CONNECTOR – Serial Numbers 2121A-00380 and Below 1981-10
6012B Modification Recommended 6012B-08 Misloaded fuse 1998.11.10
6030A Modification Recommended 6030A-13 Modification using RTV to prevent W8 ribbon cable disconnect 1992.04.30
6030A Information Only 6030A-14A New replacement for 1906-0028 A1U1 rectifier, 1906-0389 1992.12.01
6030A Information Only 6030A-16 Suggested replacement printed circuit assemblies 1994.01.01
6030A Modification Available 6030A-17 AC input filter assembly replacement 1994.06.23
6030A Information Only 6030A-19 Installing new fan 1998.11.11
6030A Information Only 6030A-20 GPIB interface assembly availability 2001.02.08
6030A Modification Recommended 6030A-21 GPIB Communications Error when used with a 59510A or 59511A Relay Box 2002.06.02
6030A Modification Recommended 6030A-22 To correct the “CC” Constant Current mode offset performance anomaly. 2011.05.12
6031A Modification Recommended 6031A-15 Modification using RTV to prevent W8 ribbon cable disconnect 1992.04.30
6031A Information Only 6031A-16A New replacement for 1906-0028 A1U1 rectifier, 1906-0389 1992.12.01
6031A Information Only 6031A-18 Suggested replacement printed circuit assemblies 1994.01.01
6031A Modification Available 6031A-19 AC input filter assembly replacement 1994.06.23
6031A Information Only 6031A-21 Installing new fan 1998.11.11
6031A Information Only 6031A-22 GPIB interface assembly availability 2001.02.08
6031A Modification Recommended 6031A-23 GPIB Communications Error when used with a 59510A or 59511A Relay Box 2002.06.02
6031A Modification Recommended 6031A-24 To correct the “CC” Constant Current mode offset performance anomaly. 2011.05.12
6032A Modification Recommended 6032A-14 Modification using RTV to prevent W8 ribbon cable disconnect 1992.04.30
6032A Information Only 6032A-15A New replacement for 1906-0028 A1U1 rectifier, 1906-0389 1992.12.01
6032A Information Only 6032A-17 Suggested replacement printed circuit assemblies 1994.01.01
6032A Modification Recommended 6032A-19 Misloaded fuse 1998.11.10
6032A Information Only 6032A-20 Installing new fan 1998.11.11
6032A Information Only 6032A-21 GPIB interface assembly availability 2001.02.08
6032A Modification Recommended 6032A-22 GPIB Communications Error when used with a 59510A or 59511A Relay Box 2002.06.02
6032A Modification Recommended 6032A-23 To correct the “CC” Constant Current mode offset performance anomaly. 2011.05.12
6033A Information Only 6033A-11 Recommended replacement parts for RPG assembly and knob 1994.01.01
6033A Information Only 6033A-13 GPIB interface assembly availability 2001.02.08
6033A Modification Recommended 6033A-14 GPIB Communications Error when used with a 59510A or 59511A Relay Box 2002.06.02
6033A Modification Recommended 6033A-15 To correct the “CC” Constant Current mode offset performance anomaly. 2011.05.12
6035A Modification Recommended 6035A-03 Modification using RTV to prevent W8 ribbon cable disconnect 1992.04.30
6035A Modification Recommended 6035A-04 Modification prevents spurious high frequency down programmer FET oscillations 1992.04.30
6035A Information Only 6035A-05A New replacement for 1906-0028 A1U1 rectifier, 1906-0389 1992.12.01
6035A Information Only 6035A-07 Suggested replacement printed circuit assemblies 1994.01.01
6035A Information Only 6035A-09 Installing new fan 1998.11.11
6035A Information Only 6035A-10 GPIB interface assembly availability 2001.02.08
6035A Modification Recommended 6035A-11 GPIB Communications Error when used with a 59510A or 59511A Relay Box 2002.06.02
6035A Modification Recommended 6035A-12 To correct the “CC” Constant Current mode offset performance anomaly. 2011.05.12
6038A Information Only 6038A-09 Recommended replacement parts for RPG assembly and knob 1994.01.01
6038A Information Only 6038A-11 GPIB interface assembly availability 2001.02.08
6038A Modification Recommended 6038A-12 GPIB Communications Error when used with a 59510A or 59511A Relay Box 2002.06.02
6038A Modification Recommended 6038A-13 To correct the “CC” Constant Current mode offset performance anomaly. 2011.05.12
6060B Information Only 6060B-01A Initialization Program Command String Error 2002.05.04
6060B Modification Recommended 6060B-02 Safety compliance of RFI Filter capacitor discharge time constant 1993.06.30
6060B Information Only 6060B-03 Discontinued Liquid Cristal Display & Printed Circuit Assembly compatibility Issue. 2009.10.26
6060B Safety 6060B-04A-S Due to poor soldering, the instrument’s internal safety grounding may be faulty. 2010.05.17
6063B Information Only 6063B-01A Initialization Program Command String Error 2002.05.04
6063B Modification Recommended 6063B-02 Safety compliance of RFI Filter capacitor discharge time constant 1993.06.30
6063B Information Only 6063B-03 Discontinued Liquid Cristal Display & Printed Circuit Assembly compatibility Issue. 2009.10.27
6063B Safety 6063B-04A-S Due to poor soldering, the instrument’s internal safety grounding may be faulty. 2010.05.17
6259B Modification Recommended 6259B-3A HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES 1980-12
6260B Modification Recommended 6260B-2A HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES 1980-12
6261B Modification Recommended 6261B-2 HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES 1980-12
6268B Modification Recommended 6268B-2A HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES 1980-12
6269B Modification Recommended 6269B-4 HP MODELS 6259B, 6260B, 6261B, 6268B, 6269B LVR POWER SUPPLIES - IMPROVED RELIABILITY CHANGES 1980-12
6541A Information Only 6541A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6541A Modification Recommended 6541A-02A Intermittent Phone Cables 2001.01.31
6541A Information Only 6541A-03B Front Panel Part List of Commonly used Parts 2002.06.21
6541A Information Only 6541A-04 Discontinued LCD 2006.08.21
6541A Information Only 6541A-05 Discontinued Optical Encoder P/N 0960-0912 2011.12.08
6542A Information Only 6542A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6542A Modification Recommended 6542A-02A Intermittent Phone Cables 2001.01.31
6542A Information Only 6542A-03B Front Panel Part List of Commonly used Parts 2002.06.21
6542A Information Only 6542A-04 Discontinued LCD 2006.08.21
6542A Information Only 6542A-05 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6543A Information Only 6543A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6543A Modification Recommended 6543A-02A Intermittent Phone Cables 2001.01.31
6543A Information Only 6543A-03B Front Panel Part List of Commonly Used Parts 2002.06.21
6543A Information Only 6543A-04 Discontinued LCD 2006.08.21
6544A Information Only 6544A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6544A Modification Recommended 6544A-02A Intermittent Phone Cables 2001.01.31
6544A Information Only 6544A-03B Front Panel Part List of Commonly Used Parts 2002.06.21
6544A Information Only 6544A-04 Discontinued LCD 2006.08.21
6545A Modification Recommended 6545A-01A Capacitor C418 May Fail 2002.05.03
6545A Modification Recommended 6545A-03A Intermittent Phone Cables 2001.01.31
6545A Information Only 6545A-04B Front Panel Part List of Commonly Used Parts 2002.06.21
6545A Information Only 6545A-05 Discontinued LCD 2006.08.21
6551A Information Only 6551A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6551A Modification Recommended 6551A-02 Intermittent Phone Cables 1999.07.31
6551A Information Only 6551A-03B Front Panel Part List of Commonly Used Parts 2002.06.21
6551A Information Only 6551A-04 Discontinued LCD 2006.08.22
6551A Information Only 6551A-05 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6551A Safety 6551A-06 Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2016.06.08
6552A Information Only 6552A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6552A Modification Recommended 6552A-02 Intermittent Phone Cables 1999.07.31
6552A Information Only 6552A-03B Front Panel Part List of Commonly Used Parts. 2002.06.21
6552A Information Only 6552A-04 Discontinued LCD 2006.08.22
6552A Information Only 6552A-05 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6552A Safety 6552A-06A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
6553A Information Only 6553A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6553A Modification Recommended 6553A-02 Intermittent Phone Cables 1999.07.31
6553A Information Only 6553A-03B Front Panel List of Commonly Used Parts 2002.06.21
6553A Modification Recommended 6553A-04 Bridge Rectifier Failure 1999.11.30
6553A Modification Recommended 6553A-05 Cannot Perform Current Calibration / Alignment 2002.05.30
6553A Information Only 6553A-06 Discontinued LCD 2006.08.22
6553A Information Only 6553A-07 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6553A Safety 6553A-08A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
6554A Information Only 6554A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6554A Modification Recommended 6554A-02 Intermittent Phone Cables 1999.07.31
6554A Information Only 6554A-03B Front Panel Part List of Commonly Used Parts 2002.06.21
6554A Information Only 6554A-04 Discontinued LCD 2006.08.22
6554A Information Only 6554A-05 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6554A Safety 6554A-08 Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand 2016.06.09
6555A Information Only 6555A-01 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6555A Modification Recommended 6555A-02 Intermittent Phone Cables 1999.07.31
6555A Information Only 6555A-03B Front Panel Part List of Commonly Used Parts 2002.06.21
6555A Modification Recommended 6555A-04 Zero ohm resistor breakdown 2001.05.22
6555A Information Only 6555A-05 Discontinued LCD 2006.08.22
6555A Information Only 6555A-06 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6555A Safety 6555A-07 Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2016.06.08
6571A Information Only 6571A-01 Recommended replacement Downprogamming FETs 2001.01.08
6571A Information Only 6571A-02 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6571A Modification Recommended 6571A-03 Intermittent Phone Cables 1999.07.31
6571A Information Only 6571A-04 Fromt Panel Part List of Commonly used Parts 2002.06.21
6571A Information Only 6571A-05 Chassis Replacement Requires New Keypad PCA 2002.09.06
6571A Modification Recommended 6571A-06A Upgrade for unstable Current Shunts ""R907"" 2003.10.16
6571A Information Only 6571A-07 Discontinued LCD 2006.08.22
6571A Modification Recommended 6571A-08 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6571A Modification Recommended 6571A-09 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6571A Information Only 6571A-10 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6572A Information Only 6572A-01 Recommended replacement Downprogamming FETs 2001.01.08
6572A Information Only 6572A-02A Keypad board, Optical Encoders and Knobs have been changed and are not interchangeable with old parts 2005.10.19
6572A Modification Recommended 6572A-03 Intermittent Phone Cables 1999.07.31
6572A Information Only 6572A-04 Front Panel part List of Commonly used Parts 2002.06.21
6572A Modification Recommended 6572A-05A Upgrade for Unstable Current Shunt ""R907"" 2003.10.16
6572A Modification Recommended 6572A-06 Slow or No Down Programming capability 2006.07.30
6572A Information Only 6572A-07 Discontinued LCD 2006.08.22
6572A Modification Recommended 6572A-08 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6572A Modification Recommended 6572A-09 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6572A Information Only 6572A-10 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6573A Information Only 6573A-01 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6573A Information Only 6573A-02 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6573A Modification Recommended 6573A-03 Intermittent Phone Cables 1999.07.31
6573A Information Only 6573A-04 Front Panel Part List of Commonly Used Parts 2002.06.21
6573A Modification Recommended 6573A-05A Upgrade for Unstable Current Shunt ""R409"" 2003.10.16
6573A Information Only 6573A-06 Discontinued LCD 2006.08.22
6573A Modification Recommended 6573A-07 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6573A Modification Recommended 6573A-08 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6573A Information Only 6573A-09 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6574A Information Only 6574A-01 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6574A Information Only 6574A-02 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6574A Modification Recommended 6574A-03 Improper Crimps on Output Transformer & Choke 1999.02.28
6574A Modification Recommended 6574A-04 Intermittent Phone Cables 1999.07.31
6574A Information Only 6574A-05 Front Panel Parts list of Commonly used parts 2002.06.21
6574A Information Only 6574A-06 Chassis Replacement Requires New Keypad PCA 2002.09.06
6574A Modification Recommended 6574A-07A Upgrade for Unstable Current Shunt ""R907"" 2003.10.16
6574A Information Only 6574A-08 Discontinued LCD 2006.08.22
6574A Modification Recommended 6574A-09 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6574A Modification Recommended 6574A-10 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6574A Information Only 6574A-11 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6575A Modification Recommended 6575A-01 Modification improves reliability of sense protection resistors 1993.01.31
6575A Information Only 6575A-02 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6575A Information Only 6575A-03 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6575A Modification Recommended 6575A-04 Improper Crimps on Output Transformer & Choke 1999.02.28
6575A Modification Recommended 6575A-05 Intermittent Phone Cables 1999.07.31
6575A Information Only 6575A-06 Front Panel Part List of Commonly Used Parts 2002.06.21
6575A Modification Recommended 6575A-07A Upgrade for Unstable Current Shunt ""R907"" 2003.10.16
6575A Information Only 6575A-08 Discontinued LCD 2006.08.22
6575A Modification Recommended 6575A-09 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6575A Modification Recommended 6575A-10 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6575A Information Only 6575A-11 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6611C Modification Recommended 6611C-01A RS232/HP-IB Firmware Hang-ups 1999.08.09
6611C Information Only 6611C-02 Current Calibration 1999.11.29
6611C Information Only 6611C-03A Current programming accuracy at zero amps 2001.02.08
6611C Modification Recommended 6611C-04B Unit Exchange Program 2001.01.31
6611C Information Only 6611C-05 Low Range Current Measurement is out od Spec 2002.10.17
6611C Information Only 6611C-06 Unit Exchange Program 2004.03.17
6611C Modification Recommended 6611C-07A On faster computers, when programming over GPIB, a random error will occur. 2005.11.01
6611C Modification Recommended 6611C-760-01B Unit exchange program 2001.05.22
6611C Information Only 6611C-760-02 Unit Exchange Program 2004.03.17
6611C Modification Recommended 6611C-J05-01 RS232/HP-IB Firmware Hang-ups 1998.11.23
6612C Information Only 6612C-02 Current Calibration 1999.11.29
6612C Information Only 6612C-03A Current programming accuracy at zero amps 2001.02.08
6612C Modification Recommended 6612C-04B Unit Exchange Program 2001.01.31
6612C Information Only 6612C-05 Low range current measurement is out of spec. 2002.10.17
6612C Information Only 6612C-06 Unit Exchange Program 2004.03.17
6612C Modification Recommended 6612C-07A On faster computers, when programming over GPIB, a random error will occur. 2005.11.01
6612C Modification Recommended 6612C-760-01B Unit Exchange Program 2001.01.31
6612C Information Only 6612C-760-02 Unit Exchange Program 2004.03.17
6613C Information Only 6613C-02 Current Calibration 1999.11.29
6613C Information Only 6613C-03A Current programming accuracy at zero amps 2001.02.08
6613C Modification Recommended 6613C-04B Unit Exchange Program 2001.01.31
6613C Information Only 6613C-05 Low Range Current Measurement is out of Spec. 2002.10.17
6613C Information Only 6613C-06 Unit Exchange Program 2004.03.17
6613C Modification Recommended 6613C-07A On faster computers, when programming over GPIB, a random error will occur. 2005.11.01
6613C Modification Recommended 6613C-760-01B Unit Exchange Program 2001.01.31
6613C Information Only 6613C-760-02 Unit Exchange Program 2004.03.17
6613C Modification Recommended 6613C-RECALL-08 Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. 2012.08.19
6614C Information Only 6614C-02 Current Calibration 1999.11.29
6614C Information Only 6614C-03A Current programming accuracy at zero amps 2001.02.08
6614C Modification Recommended 6614C-04B Unit Exchange Program 2001.01.31
6614C Information Only 6614C-05 Low Range Current Measurement is out of Spec 2002.10.17
6614C Information Only 6614C-06 Unit Exchange Program 2004.03.17
6614C Modification Recommended 6614C-07A On faster computers, when programming over GPIB, a random error will occur. 2005.11.01
6614C Modification Recommended 6614C-760-01A Unit exchange program 2001.05.22
6614C Modification Recommended 6614C-760-01B Unit Exchange Program 2001.01.31
6614C Information Only 6614C-760-02 Unit Exchange Program 2004.03.17
6614C Modification Recommended 6614C-RECALL-08 Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. 2012.08.19
6621A Information Only 6621A-07 If new ac input module is replaced, replace associated cables 1994.07.07
6621A Information Only 6621A-08 If new pwr modules U338/U339 are replaced, isolate heatsink 1994.07.07
6621A Information Only 6621A-10 Recommended replacement transistors for Q326, Q327, Q329 1996.06.14
6621A Information Only 6621A-11A Replacing the HP-IB or LCD display 1998.03.02
6621A Information Only 6621A-12 Installing new fan 1998.11.11
6621A Modification Recommended 6621A-13 Defective Cable 2000.04.30
6621A Modification Recommended 6621A-14 Intermittent Power Transformer “Magmate” Connections 2002.09.03
6622A Information Only 6622A-05 If new ac input module is replaced, replace associated cables 1994.07.07
6622A Information Only 6622A-06 If new pwr modules U338/U339 are replaced, isolate heatsink 1994.07.07
6622A Information Only 6622A-08 Recommended replacement transistors for Q326, Q327, Q329 1996.06.14
6622A Information Only 6622A-09A Replacing the HP-IB or LCD display 1998.03.02
6622A Information Only 6622A-10 Installing new fan 1998.11.11
6622A Modification Recommended 6622A-11 Defective Cable 2000.04.30
6622A Modification Recommended 6622A-12 Intermittent Power Transformer “Magmate” Connections 2002.09.03
6623A Information Only 6623A-09 If new ac input module is replaced, replace associated cables 1994.07.07
6623A Information Only 6623A-10 If new pwr modules U338/U339 are replaced, isolate heatsink 1994.07.07
6623A Information Only 6623A-12 Recommended replacement transistors for Q326, Q327, Q329 1996.06.14
6623A Information Only 6623A-13A Replacing the HP-IB or LCD display 1998.03.02
6623A Information Only 6623A-14 Installing new fan 1998.11.11
6623A Modification Recommended 6623A-15 Defective Cable 2000.04.30
6623A Modification Recommended 6623A-16 Intermittent Power Transformer “Magmate” Connections 2002.09.04
6624A Information Only 6624A-07 If new ac input module is replaced, replace associated cables 1994.07.07
6624A Information Only 6624A-08 If new pwr modules U338/U339 are replaced, isolate heatsink 1994.07.07
6624A Information Only 6624A-09 How to replace the HP-IB or LCD display 1998.03.02
6624A Information Only 6624A-10A Replacing the HP-IB or LCD display 1998.03.02
6624A Information Only 6624A-11 Installing new fan 1998.11.11
6624A Modification Recommended 6624A-12 Defective Cable 2000.04.30
6624A Modification Recommended 6624A-13 Intermittent Power Transformer “Magmate” Connections 2002.09.04
6625A Modification Recommended 6625A-02 Rec replacement of fuses improves performance 1993.01.31
6625A Information Only 6625A-03 If new ac input module is replaced, replace associated cables 1994.07.07
6625A Information Only 6625A-07 Recommended replacement transistors for Q326, Q327, Q329 1996.06.14
6625A Information Only 6625A-08A Replacing the HP-IB or LCD display 1998.03.02
6625A Information Only 6625A-09 Installing new fan 1998.11.11
6625A Modification Recommended 6625A-10 Defective Cable 2000.04.30
6625A Modification Recommended 6625A-11 Intermittent Power Transformer “Magmate” Connections 2002.09.04
6626A Modification Recommended 6626A-02 Rec replacement of fuses improves performance 1993.01.31
6626A Information Only 6626A-03 If new ac input module is replaced, replace associated cables 1994.07.07
6626A Information Only 6626A-07 Recommended replacement transistors for Q326, Q327, Q329 1996.06.14
6626A Information Only 6626A-08A Replacing the HP-IB or LCD display 1998.03.02
6626A Information Only 6626A-09 Installing new fan 1998.11.11
6626A Modification Recommended 6626A-10 Defective Cable 2000.04.30
6626A Modification Recommended 6626A-11 Intermittent Power Transformer “Magmate” Connections 2002.09.04
6627A Information Only 6627A-01 If new ac input module is replaced, replace associated cables 1994.07.07
6627A Information Only 6627A-02 If new pwr modules U338/U339 are replaced, isolate heatsink 1994.07.07
6627A Information Only 6627A-03 How to replace the HP-IB or LCD display 1998.03.02
6627A Information Only 6627A-04A Replacing the HP-IB or LCD display 1998.03.02
6627A Information Only 6627A-05 Installing new fan 1998.11.11
6627A Modification Recommended 6627A-06 Defective Cable 2000.04.30
6627A Modification Recommended 6627A-07 Intermittent Power Transformer “Magmate” Connections 2002.09.04
6628A Modification Recommended 6628A-02 Rec replacement of fuses improves performance 1993.01.31
6628A Information Only 6628A-03 If new ac input module is replaced, replace associated cables 1994.07.07
6628A Information Only 6628A-07 Recommended replacement transistors for Q326, Q327, Q329 1996.06.14
6628A Information Only 6628A-08A Replacing the HP-IB or LCD display 1998.03.02
6628A Information Only 6628A-09 Installing new fan 1998.11.11
6628A Modification Recommended 6628A-10 Defective Cable 2000.04.30
6628A Modification Recommended 6628A-11 Intermittent Power Transformer “Magmate” Connections 2002.09.03
6629A Modification Recommended 6629A-02 Rec replacement of fuses improves performance 1993.01.31
6629A Information Only 6629A-03 If new ac input module is replaced, replace associated cables 1994.07.07
6629A Information Only 6629A-07 Recommended replacement transistors for Q326, Q327, Q329 1996.06.14
6629A Information Only 6629A-08A Replacing the HP-IB or LCD display 1998.03.02
6629A Information Only 6629A-09 Installing new fan 1998.11.11
6629A Modification Recommended 6629A-10 Defective Cable 2000.04.30
6629A Modification Recommended 6629A-11 Intermittent Power Transformer “Magmate” Connections 2002.09.04
6631B Modification Recommended 6631B-02A Blank Front Panel Display,Unit Dead 1999.08.09
6631B Information Only 6631B-04A Current programming accuracy at zero amps 2001.02.08
6631B Modification Recommended 6631B-05B Unit Exchange Program 2001.01.31
6631B Information Only 6631B-06 Low Range Current Measurement is out of Spec. 2002.10.17
6631B Information Only 6631B-07 Unit Exchange Program 2004.03.19
6631B Modification Recommended 6631B-08 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
6632A Modification Available 6632A-02 Bleeder resistor increases RFI filter capacitor discharge rate 1994.01.01
6632B Modification Recommended 6632B-01 Low range current readback out of specifications 1998.03.01
6632B Modification Recommended 6632B-02 High current readback accuracy out of specification 1998.10.13
6632B Modification Recommended 6632B-03A Blank Front Panel Display,Unit Dead 1999.08.09
6632B Information Only 6632B-04A Current programming accuracy at zero amps 2001.02.08
6632B Modification Recommended 6632B-05B Unit Exchange Program 2001.01.31
6632B Information Only 6632B-06 Low Range Current Measurement is Out of Spec 2002.10.17
6632B Information Only 6632B-07 Unit Exchange Program 2004.03.22
6632B Modification Recommended 6632B-08 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
6632B Modification Recommended 6632B-09 There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. 2011.01.10
6632B Modification Recommended 6632B-020-01B Unit exchange program 2001.05.22
6632B Modification Recommended 6632B-020-01B Unit Exchange Program 2001.01.31
6632B Information Only 6632B-020-02 Unit Exchange Program 2004.03.19
6632B Modification Recommended 6632B-760-01B Unit exchange program 2001.05.22
6632B Modification Recommended 6632B-760-01B Unit Exchange Program 2001.01.31
6632B Information Only 6632B-760-02 Unit Exchange Program 2004.03.22
6633A Modification Available 6633A-02 Bleeder resistor increases RFI filter capacitor discharge rate 1993.12.31
6633B Modification Recommended 6633B-01 Low range current readback out of specifications 1998.03.01
6633B Modification Recommended 6633B-02 High current readback accuracy out of specification 1998.10.13
6633B Modification Recommended 6633B-03A Blank Front Panel Display,Unit Dead 1999.08.09
6633B Information Only 6633B-04A Current programming accuracy at zero amps 2001.02.08
6633B Modification Recommended 6633B-05B Unit Exchange Program 2001.01.31
6633B Information Only 6633B-06 Low Range Current Measurement is Out of Spec 2002.10.17
6633B Information Only 6633B-07 Unit Exchange Program 2004.03.22
6633B Modification Recommended 6633B-08 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
6633B Modification Recommended 6633B-09 There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. 2011.01.10
6633B Modification Recommended 6633B-020-01B Unit exchange program 2001.05.22
6633B Information Only 6633B-020-02 Unit Exchange Program 2004.03.22
6633B Modification Recommended 6633B-760-01B Unit exchange program 2001.05.22
6633B Information Only 6633B-760-02 Unit Exchange Program 2004.03.22
6634B Modification Recommended 6634B-01 Low range current readback out of specifications 1998.03.01
6634B Modification Recommended 6634B-02 High current readback accuracy out of specification 1998.10.13
6634B Information Only 6634B-03 Unit Exchange Program 2004.03.22
6634B Modification Recommended 6634B-03A Blank Front Panel Display,Unit Dead 1999.08.09
6634B Information Only 6634B-04A Current programming accuracy at zero amps 2001.02.08
6634B Modification Recommended 6634B-05B Unit Exchange Program 2001.01.31
6634B Information Only 6634B-06 Low Range Current Measurement is out of Spec. 2002.10.17
6634B Modification Recommended 6634B-08 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
6634B Modification Recommended 6634B-09 There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. 2011.01.10
6634B Modification Recommended 6634B-020-01B Unit exchange program 2001.05.22
6634B Modification Recommended 6634B-020-01B Unit Exchange Program 2001.01.31
6634B Information Only 6634B-020-02 Unit Exchange Program 2004.03.22
6634B Modification Recommended 6634B-760-01B Unit Exchange Program 2001.01.31
6634B Modification Recommended 6634B-760-01B Unit exchange program 2001.05.22
6634B Information Only 6634B-760-02 Unit Exchange Program 2004.03.22
6634B Modification Recommended 6634B-RECALL-10 Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. 2012.08.19
6641A Modification Recommended 6641A-01B Modification corrects relay link and eliminates error -240 1993.11.24
6641A Information Only 6641A-02A New Keypad board, Optical Enoders and Knobs are not interchangable with old parts 2002.05.04
6641A Modification Recommended 6641A-03A Intermittent Phone Cables 2001.02.01
6641A Information Only 6641A-04B Front Panel Parts Lists of Commonly Used parts 2002.06.21
6641A Information Only 6641A-05 Discontinued LCD and PCA compatibility 2006.09.22
6641A Information Only 6641A-06 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6641A Modification Recommended 6641A-07 6641A exhibited out of specification values for 3.8V to 4.2V at front panel read back readings. 2016.10.27
6642A Modification Recommended 6642A-01B Modification corrects relay link and eliminates error -240 1993.11.24
6642A Information Only 6642A-02 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6642A Modification Recommended 6642A-03A Intermittent Phone Cables 2001.02.01
6642A Information Only 6642A-05 Discontinued LCD and PCA compatibility 2006.09.22
6642A Information Only 6642A-06 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6642A Modification Recommended 6642A-07 6642A exhibited out of specification values for 9.0V to 10.5V at front panel read back readings. 2016.10.27
6643A Modification Recommended 6643A-01B Modification corrects relay link and eliminates error -240 1993.11.24
6643A Information Only 6643A-02 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6643A Modification Recommended 6643A-03A Intermittent Phone Cables 2001.02.01
6643A Information Only 6643A-05 Discontinued LCD and PCA compatibility 2006.09.22
6643A Information Only 6643A-06 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6643A Modification Recommended 6643A-07 6643A exhibited out of specification values for 17.5V to 17.9V at front panel read back readings. 2016.10.27
6644A Modification Recommended 6644A-01B Modification corrects relay link and eliminates error -240 1993.11.24
6644A Information Only 6644A-02 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6644A Modification Recommended 6644A-03A Intermittent Phone Cables 2001.02.01
6644A Information Only 6644A-04B Front panel part lists of commonly used parts 2002.06.21
6644A Information Only 6644A-05 Discontinued LCD and PCA compatibility 2006.09.22
6644A Information Only 6644A-06 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6644A Modification Recommended 6644A-07 6644A exhibited out of specification values for 30.0V to 30.8V at front panel read back readings. 2016.10.27
6645A Modification Recommended 6645A-01B Modification corrects relay link and eliminates error -240 1993.11.24
6645A Modification Recommended 6645A-02A Capacitor C418 may fail 2002.05.04
6645A Modification Recommended 6645A-04A Intermittent Phone Cables 2001.02.01
6645A Information Only 6645A-05B Front Panel Part List of Commonly Used Parts 2002.06.21
6645A Information Only 6645A-06 Discontinued LCD and PCA compatibility 2006.09.22
6645A Information Only 6645A-07 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6645A Modification Recommended 6645A-08 6645A exhibited out of specification values for 61.0V to 61.7V at front panel read back 2016.10.27
6651A Modification Recommended 6651A-02B Modification corrects relay link and eliminates error -240 1993.11.24
6651A Information Only 6651A-03 Mod reduces radiated RFI when replacing A2 HPIB board 1993.12.23
6651A Information Only 6651A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6651A Modification Recommended 6651A-05 Intermittent phone cables 1999.08.26
6651A Information Only 6651A-06B Front Panel Part List of Commonly used Parts 2002.06.21
6651A Information Only 6651A-07 Discontinued LCD and PCA compatibility 2006.09.22
6651A Information Only 6651A-08 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6651A Safety 6651A-10A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.12
6651A Modification Recommended 6651A-11 6651A exhibited out of specification values for 3.8V to 4.2V at front panel read back readings. 2016.10.27
6651A Modification Recommended 6651A-RECALL-09 Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. 2012.08.20
6652A Modification Recommended 6652A-02B Modification corrects relay link and eliminates error -240 1993.11.24
6652A Information Only 6652A-03 Mod reduces radiated RFI when replacing A2 HPIB board 1993.12.23
6652A Information Only 6652A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6652A Modification Recommended 6652A-05 Intermittent Phone Cables 1999.08.01
6652A Information Only 6652A-06B Front Panel Part List of Commonly Used Parts 2002.06.21
6652A Information Only 6652A-07 Discontinued LCD and PCA compatibility 2006.09.22
6652A Information Only 6652A-08 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6652A Safety 6652A-09A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.12
6653A Modification Recommended 6653A-02B Modification corrects relay link and eliminates error -240 1993.11.24
6653A Information Only 6653A-03 Mod reduces radiated RFI when replacing A2 HPIB board 1993.12.23
6653A Information Only 6653A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6653A Modification Recommended 6653A-05 Intermittent Phone Cables 1999.08.01
6653A Information Only 6653A-06B Front Panel Part List of Commonly Used Parts 2002.06.21
6653A Modification Recommended 6653A-07 Bridge Rectifier Failure 1999.12.01
6653A Modification Recommended 6653A-08 Cannot Perform Current Calibration / Alignment 2002.05.31
6653A Information Only 6653A-09 Discontinued LCD and PCA compatibility 2006.09.22
6653A Information Only 6653A-10 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6653A Safety 6653A-11A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.12
6653A Modification Recommended 6653A-12 6653A exhibited out of specification values for 17.0V to 18.5V at front panel read back 2016.10.27
6654A Modification Recommended 6654A-02B Modification corrects relay link and eliminates error -240 1993.11.24
6654A Information Only 6654A-03 Mod reduces radiated RFI when replacing A2 HPIB board 1993.12.23
6654A Information Only 6654A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6654A Modification Recommended 6654A-05 Intermittent Phone Cables 1999.08.01
6654A Information Only 6654A-06B Front Panel Part List of Commonly Used Parts 2002.06.21
6654A Information Only 6654A-07 Discontinued LCD and PCA compatibility 2006.09.22
6654A Information Only 6654A-08 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6654A Safety 6654A-09A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.12
6654A Modification Recommended 6654A-10 6654A exhibited out of specification values for 30.0V to 31.0V at front panel read back readings. 2016.10.27
6655A Modification Recommended 6655A-02B Modification corrects relay link and eliminates error -240 1993.11.24
6655A Information Only 6655A-03 Modification to reduce Radiated RFI when replacing A2 GPIB board. 1993.11.30
6655A Information Only 6655A-04 Keypad board, Optical Encoders and Knobs have been changed and are not interchangeable with old parts 1997-03
6655A Modification Recommended 6655A-05 Intermittent Phone Cables 1999.08.01
6655A Information Only 6655A-06B Front Panel Parts List 2002.06.28
6655A Modification Recommended 6655A-07 Capacitor Change to Improve Performance 2000.10.25
6655A Modification Recommended 6655A-08 Zero ohm resistor breakdown 2001.05.23
6655A Information Only 6655A-09 Discontinued LCD and PCA compatibility 2006.09.22
6655A Information Only 6655A-10 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6655A Safety 6655A-11 Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2016.06.09
6655A Modification Recommended 6655A-12 6655A exhibited out of specification values for 61.0V to 61.6V at front panel read back 2016.10.27
6655A Modification Recommended 6655A-RECALL-11 Calibrations performed on some Power Supplies by Agilent Technologies between July 1st, 2011 and July 31st, 2012 show a FALSE PASS in either one or more of the 4 tests: CC LOAD EFFECT, CV LOAD EFFECT, CC SOURCE EFFECT or CV SOURCE EFFECT. 2012.08.20
6671A Modification Recommended 6671A-01B Modification corrects relay link and eliminates error -240 1993.11.23
6671A Modification Recommended 6671A-02 Mod prevents Error -240 when conn to HP 59510A/11A Relay Box 1994.07.06
6671A Information Only 6671A-03A Down-programming FET's Q901 no longer have isolated packages 2002.05.04
6671A Information Only 6671A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6671A Modification Recommended 6671A-05 Intermittent Phone Cables 1999.07.31
6671A Information Only 6671A-06B Front Panel Part List of Commonly used Parts 2002.06.21
6671A Information Only 6671A-07 Chassis Replacement Requires New Keypad PCA 2002.09.06
6671A Modification Recommended 6671A-08A Upgrade for Unstable Current Shunt ""R907"" CC mode Operation 2003.10.16
6671A Information Only 6671A-09 Discontinued LCD and PCA compatibility 2006.09.22
6671A Modification Recommended 6671A-10 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6671A Modification Recommended 6671A-11 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6671A Information Only 6671A-12 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6671A Modification Recommended 6671A-13 6671A exhibited out of specification values for 3.5V to 4.0V at front panel read back readings 2016.10.26
6672A Modification Recommended 6672A-01B Modification corrects relay link and eliminates error -240 1993.11.23
6672A Modification Recommended 6672A-02 Mod prevents Error -240 when conn to HP 59510A/11A Relay Box 1994.07.06
6672A Information Only 6672A-03 Recommended replacement Downprogamming FET Q901 2001.01.08
6672A Information Only 6672A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6672A Modification Recommended 6672A-05 Intermittent Phone Cables 1999.07.31
6672A Information Only 6672A-06B Front Panel Part List of Commonly Used Parts 2002.06.21
6672A Modification Recommended 6672A-07A Upgrade for Unstable Current Shunt ""R907"" 2003.10.16
6672A Modification Recommended 6672A-08 Slow or No Down Programming capability 2006.07.30
6672A Information Only 6672A-09 Discontinued LCD and PCA compatibility 2006.09.22
6672A Modification Recommended 6672A-10 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6672A Modification Recommended 6672A-11 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6672A Information Only 6672A-12 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6672A Modification Recommended 6672A-13 6672A exhibited out of specification values for 8.5V to 9.5V at front panel read back readings. 2016.10.26
6673A Modification Recommended 6673A-01B Modification corrects relay link and eliminates error -240 1993.11.23
6673A Modification Recommended 6673A-02 Mod prevents Error -240 when conn to HP 59510A/11A Relay Box 1994.07.06
6673A Information Only 6673A-03 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6673A Information Only 6673A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6673A Modification Recommended 6673A-05 Intermittent Phone Cables 1999.07.31
6673A Information Only 6673A-06B Front Panel Part List of Commonly used Parts 2002.06.21
6673A Modification Recommended 6673A-07A Upgrade for ""Unstable"" Current Shunt ""R907"". 2003.10.20
6673A Information Only 6673A-08 Discontinued LCD and PCA compatibility 2006.09.22
6673A Modification Recommended 6673A-09 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6673A Modification Recommended 6673A-10 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6673A Information Only 6673A-11 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6673A Modification Recommended 6673A-12 6673A exhibited out of specification values for 14.5V to 16V and 26V to 27V at front panel read back readings 2016.10.26
6674A Modification Recommended 6674A-01B Modification corrects relay link and eliminates error -240 1993.11.23
6674A Modification Recommended 6674A-02 Mod prevents Error -240 when conn to HP 59510A/11A Relay Box 1994.07.06
6674A Information Only 6674A-03 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6674A Information Only 6674A-04 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6674A Modification Recommended 6674A-05 Improper Crimps on Output Transformer & Choke 1999.04.05
6674A Modification Recommended 6674A-06 Intermittent Phone Cables 1999.07.31
6674A Information Only 6674A-07B Front Panel Part List of Commonly Used Parts 2002.06.21
6674A Information Only 6674A-08 Chassis Replacement Requires New Keypad PCA 2002.09.06
6674A Modification Recommended 6674A-09A Upgrade for ""Unstable"" Current shunt ""R907"". 2003.10.20
6674A Information Only 6674A-10 Discontinued LCD and PCA compatibility 2006.09.22
6674A Modification Recommended 6674A-11 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6674A Modification Recommended 6674A-12 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6674A Information Only 6674A-13 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6674A Modification Recommended 6674A-14 6674A exhibited out of specification values for 24V to 28V and 44V to 46V at front panel read back readings. 2016.10.26
6675A Modification Recommended 6675A-01B Modification corrects relay link and eliminates error -240 1993.11.23
6675A Modification Recommended 6675A-02 Modification improves reliability of sense protection resistors 1993.01.31
6675A Modification Recommended 6675A-03 Mod prevents Error -240 when conn to HP 59510A/11A Relay Box 1994.07.06
6675A Information Only 6675A-04 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6675A Information Only 6675A-05 Recommended replacement Keypad board, optical encoders and knobs 2001.01.08
6675A Modification Recommended 6675A-06 Improper Crimps on Output Transformer & Choke 1999.02.28
6675A Modification Recommended 6675A-07 Intermittent phone cables 1999.08.25
6675A Modification Recommended 6675A-09A Upgrade for ""Unstable"" Current Shunt ""R907"". 2003.10.20
6675A Information Only 6675A-10 Discontinued LCD and PCA compatibility 2006.09.22
6675A Modification Recommended 6675A-11 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
6675A Modification Recommended 6675A-12 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6675A Information Only 6675A-13 Discontinued Optical Encoder P/N 0960-0912 2011.12.16
6675A Modification Recommended 6675A-14 6675A exhibited out of specification values for 48V to 52V at front panel read back readings. 2016.10.26
6680A Information Only 6680A-02 Recommended replacement Downprogamming FET Q901 2001.01.08
6680A Modification Recommended 6680A-03 Intermittent Phone Cables 1999.08.31
6680A Modification Recommended 6680A-04 A9 Down Programmer Failures 2000.05.02
6680A Modification Recommended 6680A-05 Incorrect response to a query over GPIB 2001.02.12
6680A Information Only 6680A-06 Replacement of the Bias or AC Input board 2002.06.11
6680A Information Only 6680A-07 CC RMS Noise Spec changed to a supplemental characteristic 2002.07.16
6680A Modification Recommended 6680A-08 Shunt Resistor R900 has poor fast-on's. 2004.02.24
6680A Information Only 6680A-09 Discontinued LCD and PCA compatibility 2006.09.22
6681A Information Only 6681A-02 Recommended replacement Downprogamming FET Q901 2001.01.08
6681A Modification Recommended 6681A-03 Intermittent Phone Cables 1999.08.31
6681A Modification Recommended 6681A-04 A9 Down Programmer Failures 2000.05.02
6681A Modification Recommended 6681A-05 Incorrect response to a query over GPIB 2001.02.12
6681A Information Only 6681A-06 Replacement of the Bias or AC Input Board 2002.06.11
6681A Information Only 6681A-07 CC RMS noise spec changed to a supplemental characteristic 2002.07.16
6681A Modification Recommended 6681A-08 Shunt Resistor R900 has poor fast-ons 2004.02.24
6681A Information Only 6681A-09 Discontinued LCD and PCA compatibility 2006.09.22
6682A Information Only 6682A-01 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6682A Modification Recommended 6682A-02 Intermittent Phone Cables 1999.08.31
6682A Modification Recommended 6682A-03 A9 Down Programmer Failures 2000.05.02
6682A Modification Recommended 6682A-04 Incorrect response to a query over GPIB 2001.02.12
6682A Information Only 6682A-05 Replacement of the Bias or AC Input Board 2002.06.11
6682A Information Only 6682A-06 CC RMS noise spec changed to a supplemental characteristic 2002.07.16
6682A Modification Recommended 6682A-07 Shunt Resistor R900 has poor fast-ons 2004.02.24
6682A Information Only 6682A-08 Discontinued LCD and PCA compatibility 2006.09.22
6683A Information Only 6683A-01 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6683A Modification Recommended 6683A-02 Intermittent Phone Cables 1999.08.31
6683A Modification Recommended 6683A-03 A9 Down Programmer Failures 2000.05.02
6683A Modification Recommended 6683A-04 Incorrect response to a query over GPIB 2001.02.12
6683A Information Only 6683A-05 Replacement of the Bias or AC Input Boards 2002.06.11
6683A Information Only 6683A-06 CC RMS noise spec changed to a supplemental characteristic 2002.07.16
6683A Modification Recommended 6683A-07 Shunt Resistor R900 has poor fast-ons 2004.02.24
6683A Information Only 6683A-08 Discontinued LCD and PCA compatibility 2006.09.22
6684A Information Only 6684A-01 Recommended repl parts for FETs Q901 and Q902 1996.03.15
6684A Modification Recommended 6684A-02 Intermittent Phone Cables 1999.08.31
6684A Modification Recommended 6684A-03 A9 Down Programmer Failures 2000.05.02
6684A Modification Recommended 6684A-04 Incorrect response to a query over GPIB 2001.02.12
6684A Information Only 6684A-05 Replacement of the Bias or AC Input Board 2002.06.11
6684A Information Only 6684A-06 CC RMS noise spec changed to a supplemental characteristic 2002.07.16
6684A Modification Recommended 6684A-07 Shunt resistor R900 has poor fast-ons. 2004.02.24
6684A Information Only 6684A-08 Discontinued LCD and PCA compatibility 2006.09.22
6690A Information Only 6690A-01 The bias board part number has changed. 2002.06.11
6690A Modification Recommended 6690A-02 Shunt Resistor R900 has poor fast-ons 2004.02.24
6690A Information Only 6690A-03 Discontinued LCD and PCA compatibility 2006.09.22
6691A Information Only 6691A-01 The bias board part number has changed 2002.06.11
6691A Modification Recommended 6691A-02 Shunt Resistor R900 has poor fast-ons 2004.02.24
6691A Information Only 6691A-03 Discontinued LCD and PCA compatibility 2006.09.22
6692A Information Only 6692A-01 The bias board part number has changed 2002.06.11
6692A Modification Recommended 6692A-02 Shunt Resistor R900 has poor fast-ons 2004.02.24
6692A Information Only 6692A-03 Discontinued LCD and PCA compatibility 2006.09.22
6692A Modification Recommended 6692A-04 Potential installation fault to users when the AC line cord is connected to the AC fuse holder/line cord module p/n 2110-1312 1899.12.30
6811B Information Only 6811B-02 Output assembly capatibility 2001.10.25
6811B Modification Recommended 6811B-03 The tin plating on four PCA connector headers and one cable can potentially oxidize, causing contact resistance to increase. Higher contact resistance will cause a bias voltage on that is present on the connector header to sag. This low voltage can cause the unit to intermittently reset when it is below a certain threshold. 2009.02.19
6811B Safety 6811B-04A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
6812B Information Only 6812B-02 Output assembly capatibility 2001.10.25
6812B Modification Recommended 6812B-03 The tin plating on four PCA connector headers and one cable can potentially oxidize, causing contact resistance to increase. Higher contact resistance will cause a bias voltage on that is present on the connector header to sag. This low voltage can cause the unit to intermittently reset when it is below a certain threshold. 2009.02.19
6812B Modification Recommended 6812B-04 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6813B Information Only 6813B-02 New A7 inverter assembly 2000.10.26
6813B Modification Recommended 6813B-03 Possible intermittent cable assembly 2000.11.02
6813B Information Only 6813B-04 Output assembly capatibility 2001.10.25
6813B Modification Recommended 6813B-05 The tin plating on four PCA connector headers and one cable can potentially oxidize, causing contact resistance to increase. Higher contact resistance will cause a bias voltage on that is present on the connector header to sag. This low voltage can cause the unit to intermittently reset when it is below a certain threshold. 2009.02.19
6813B Modification Recommended 6813B-06 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
6942A Various 06942-90001 6942A Multiprogrammer Service Notes Collection 1987-01
7045B Modification Recommended 7045B-1 IMPROVED X AND V AXIS ATTENUATOR ASSEMBLIES 1981-08
8110A Modification Recommended 8110A-01 Display failures (shifted lines and/or inverted display) 2004.03.09
8114A Modification Recommended 8114A-01A Modify Power Supply to fix problems at line voltage below 130V. 2003.09.07
8114A Modification Recommended 8114A-02B Intermittent display failures 2006.06.28
8131A Modification Recommended 8131A-01 Solution to eliminate crosstalk to the output signal 1992.11.01
8131A Information Only 8131A-02 Recommended test/adjustment after replacement of the output board 1992.11.01
8131A Information Only 8131A-03 List of differences in mechanical/electrical major parts 1993.11.24
8164A Modification Recommended 8164A-01 8164A Floppy Drive 1999.08.31
8166A Modification Recommended 8166A-01A Recommended MOV removal in power supply 2001.04.01
8166B Modification Recommended 8166B-01 Potential failure on backplane board 2006.10.17
8169A Modification Recommended 8169A-01B 8169A lockup problem patch and firmware upgrade. 2002.04.28
8340A Modification Available 8340A-22 Rear Panel to Front Panel Retrofit Instructions 1993.01.06
8340A Information Only 8340A-M61A Y2K update information. RMB support software update information. 1998-12
8340A Information Only 8340A-M62A Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. 1998-12
8340A Information Only 8340A-M63A The Pascal operating environment has a defect related to the year 2000. 1998-12
8340B Modification Available 8340B-05 Rear Panel to Front Panel Retrofit Instructions 1993.01.06
8340B Information Only 8340B-M61A Y2K update information. RMB support software update information. 1998-12
8340B Information Only 8340B-M62A Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. 1998-12
8340B Information Only 8340B-M63A The Pascal operating environment has a defect related to the year 2000. 1998-12
8405A Modification Available 8405A-8A Serial Prefix 2014A and Below - “APC UNLOCKED” Indicator Light Replacement 1981-07
8444A Modification Available 8444A-4 HP MODEL8444A OPTION 059 TRACKING GENERATOR Serial Prefix 2103A and Below Except for the Following Serial Numbers 03900,03932,03985,03986,03987, 03991,03992,03995,03996,03997, 04002,04006,04007,04008,04009,04010 - DEGRADED FREQUENCY RESPONSE PERFORMANCE FOR SWEEP TIMES LESS THAN 5 MSEC/DIV 1982-03
8447A Information Only 8447A-09 Power switch replacement kits 1997.02.11
8447D Information Only 8447D-08 Preferred replacements for microcircuit preamp & power amp 1992.04.01
8447D Information Only 8447D-09 Power switch replacement kits 1997.02.11
8477A Modification Recommended 8477A-01A 8477A not able to power up under 115V 2014.03.18
8481A Information Only 8481A-06 MP10 through MP22 English to Metric screw change 1998.03.02
8481A Information Only 8481A-07 Restored replacement cartridge will no longer be avaailable 2001.06.08
8481A Information Only 8481A-09 Prevention of Bulkhead Lead Wire Breakage 2010.02.05
8481A Modification Recommended 8481A-10 In the Measurement report of 8481A, the Reference Calibration factor at 50MHz stated is inconsistent with the 50MHz Calibration Factor listed in the table. 2016.10.26
8481B Information Only 8481B-01 MP10 through MP22 English to Metric screw change 1998.03.02
8481B Information Only 8481B-02 Caution label replacement for 8481B 2001.01.04
8481D Information Only 8481D-01 MP10 through MP22 English to Metric screw change 1998.03.02
8481D Modification Recommended 8481D-02 Cal factor and reflection magnitude uncertainty values on factory calibration report are incoreect. 2001.10.29
8481H Information Only 8481H-02 MP10 through MP22 English to Metric screw change 1998.03.02
8481H Information Only 8481H-03 ID label (max pwr limit) is incorrect 2001.06.19
8482A Information Only 8482A-02 MP10 through MP22 English to Metric screw change 1998.03.02
8482B Information Only 8482B-01 MP10 through MP22 English to Metric screw change 1998.03.02
8482B Information Only 8482B-02 Caution label replacement for 8481B 2001.01.04
8482H Information Only 8482H-02 MP10 through MP22 English to Metric screw change 1998.03.02
8482H Information Only 8482H-03 ID label (max pwr limit) is incorrect 2001.06.19
8483A Information Only 8483A-04 MP10 through MP22 English to Metric screw change 1998.03.02
8485A Information Only 8485A-02 MP10 through MP22 English to Metric screw change 1998.03.02
8485D Information Only 8485D-01 MP10 through MP22 English to Metric screw change 1998.03.02
8487A Information Only 8487A-01 MP10 through MP22 English to Metric screw change 1998.03.02
8487D Information Only 8487D-01 MP10 through MP22 English to Metric screw change 1998.03.02
8494A Modification Recommended 8494A-01A Step Attenuator knob modification 2001.07.16
8494A Modification Recommended 8494A-02 The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. 2020.11.18
8494B Modification Recommended 8494B-01A Step Attenuator knob modification 2001.07.16
8494B Modification Recommended 8494B-02 The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. 2020.11.19
8495A Modification Recommended 8495A-01A Step Attenuator knob modification 2001.07.16
8495A Modification Recommended 8495A-02 The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. 2020.11.18
8495B Modification Recommended 8495B-01A Step Attenuator knob modification 2001.07.16
8495B Modification Recommended 8495B-02 The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. 2020.11.18
8495D Modification Recommended 8495D-01A Step Attenuator knob modification 2001.07.16
8495D Modification Recommended 8495D-02 The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. 2020.11.18
8496A Modification Recommended 8496A-01A Step Attenuator knob modification 2001.07.16
8496A Modification Recommended 8496A-02 The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. 2020.11.18
8496B Modification Recommended 8496B-01A Step Attenuator knob modification 2001.07.16
8496B Modification Recommended 8496B-02 The identified batch of step attenuator’s rotating knob may become loose when the user applies an extended force to turn the knob beyond the maximum attenuation value. This will cause the attenuation value to be located outside of the indicator window and may create confusion on the actual attenuation value. 2020.11.18
8501A Information Only 8501A-4 ADJUSTMENT PROCEDURE FOR COMPATABILITY WITH THE MODEL 8754A NETWORK ANALYZER 1980-10
8510B Safety 8510B-06A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8510C Modification Recommended 8510C-01 Floppy disk drive formating information. 1999.10.31
8510C Modification Recommended 8510C-02A 8510C firmware change from C.07.14 to C.07.16 2000.11.30
8510C Safety 8510C-03A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8510C Modification Recommended 8510C-04 Unreadable softkey labels and syntax errors when using Electronic Calibration Modules (Ecal). 2002.09.22
8511A Modification Recommended 8511A-06 Performance Software 1999.10.31
8511A Safety 8511A-07A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8511B Modification Recommended 8511B-01 Performance Software 1999.10.31
8511B Safety 8511B-02A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8514B Modification Recommended 8514B-01 D.C. Return Upgrade Kit 1995.09.30
8514B Safety 8514B-05A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8515A Modification Recommended 8515A-04 D.C. Return Upgrade Kit 1995.09.30
8515A Safety 8515A-06A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8517A Safety 8517A-03A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8517B Modification Recommended 8517B-01 D.C. Return Upgrade Kit 1995.09.30
8517B Modification Recommended 8517B-02 Test Set Option 002 deletion 1996.12.31
8517B Safety 8517B-03A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
8530A Modification Recommended 8530A-01 Overspeed error when 85370A is used, or no display on 85370A 1998.07.31
8555A Modification Recommended 8555A-1 HP MODEL 8555A SPECTRUM ANALYZER, RF SECTION, Serials Prefixed 1232A and Below PRESELECTOR DPM MODIFICATION unknown
8558B Modification Recommended 8558B-1 BANDWIDTH FILTER BOARD REP4ACEMENT 1974-01
8558B Modification Recommended 8558B-2 Serials Prefixed 1321 A and Below – IMPROVED FREQUENCY TUNING POT 1974-01
8558B Modification Recommended 8558B-3 Serials Prefixed 1334A and Below – PREVENTION OF SINGLE SWEEP TRIGGERING BY ERASE FUNCTION TRANSIENTS 1974-02
8558B Modification Recommended 8558B-4 Serials Prefixed 1334A and Below – NEW FRONT PANEL LATCH HOUSING 1974-02
8560E Information Only 8560E-23 A1A2 RPG Assembly & A1 Keyboard P/N Change 1999.02.18
8560E Priority Safety 8560E-18-S Possible Shoulder Strap Failure Under Load 1998.07.31
8560EC Modification Recommended 8560EC-02 Possible 60 Hz related sidebands 2001.07.16
8560EC Modification Recommended 8560EC-04 A butch on the A5 IF board to possible remove error messages 561, 562, and 565 2002.02.07
8560EC Modification Recommended 8560EC-05 Replace A2 board to remove spikes on falling edges of a square pulse 2002.02.07
8560EC Information Only 8560EC-06 Modification to fix gated video problem. 2002.03.13
8560EC Information Only 8560EC-07 A15 Replacement Part Number Update 2004.12.20
8560EC Modification Recommended 8560EC-08 Unstable Noise Floor and/or 500 series Error Messages 2006.03.26
8560EC Information Only 8560EC-10 Possible interference between Line Switch and LCD Bracket 2011.05.09
8560EC Modification Recommended 8560EC-12-RECALL Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. 2012.03.13
8560EC Information Only 8560EC-13A LCD Assembly Lower Level Part Numbers 2013.12.10
8561B Modification Recommended 8561B-16 Modification prevents possible damage to video out buffer on A2 interface 1993.02.28
8561E Information Only 8561E-19 A1A2 RPG Assembly & A1 Keyboard P/N Change 1999.02.18
8561E Priority Safety 8561E-14-S Possible Shoulder Strap Failure Under Load 1998.07.31
8561EC Modification Recommended 8561EC-09-RECALL Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. 2012.03.13
8562B Information Only 8562B-54 Recommended replacement CRT 1993.03.01
8562E Information Only 8562E-11 A1A2 RPG Assembly & A1 Keyboard P/N Change 1999.02.18
8562E Priority Safety 8562E-06-S Possible Shoulder Strap Failure Under Load 1998.07.31
8562EC Modification Recommended 8562EC-03 Possible 60 Hz related sidebands 2001.07.16
8562EC Modification Recommended 8562EC-04 A butch on the A5 IF board to possible remove error messages 561, 562, and 565 2002.02.07
8562EC Modification Recommended 8562EC-05 Replace A2 board to remove spikes on falling edges of a square pulse 2002.02.07
8562EC Information Only 8562EC-06 Modification to fix gated video problem. 2002.03.13
8562EC Information Only 8562EC-07 A15 Replacement Part Number Update 2004.12.20
8562EC Modification Recommended 8562EC-08 Unstable Noise Floor and/or 500 series Error Messages 2006.03.26
8562EC Information Only 8562EC-09 Possible interference between Line Switch and LCD Bracket 2011.05.09
8562EC Information Only 8562EC-11A LCD Assembly Lower Level Part Numbers 2013.12.10
8563E Modification Recommended 8563E-26-RECALL Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. 2012.03.13
8563E Information Only 8563E-25 New A15 RF Board Replacement Part Numbers 2004.12.20
8563E Modification Recommended 8563E-24A Possible Failure of A6A1 High Voltage Module 1999-03
8563E Information Only 8563E-23 A1A2 RPG Assembly and A1 Keyboard Part Number Change 1999-01
8563E Modification Recommended 8563E-22 A15 Assembly Shield Can Load Down Supply 1999-05
8563E Modification Available 8563E-21 12.4 GHz Signal on 310.7 MHz IF Output 1999.02.17
8563E Modification Recommended 8563E-19C Year 2K Update Information 1999.01.20
8563E Priority Safety 8563E-18-S Possible Shoulder Strap Failure Under Load 1998.07.31
8563E Modification Recommended 8563E-17 Reducing 300 kHz Sidebands 1997-12
8563E Modification Recommended 8563E-16 Intermittent Error 337 (Frac-N Unlock) Under Certain Conditions 1997-07
8563E Modification Recommended 8563E-15 Intermittent Error 335 Sampler Unlock 1997-03
8563E Modification Recommended 8563E-14 A17 CRT Driver Reliability Improvement 1996-10
8563E Modification Recommended 8563E-13 Intermittent flashing display intensity 1996-01
8563E Information Only 8563E-12 VCO adjustment for later “1X6” A15 RF assemblies 1996-01
8563E Modification Recommended 8563E-10C Possible Frequency Response Drift 2000-06
8563E Modification Recommended 8563E-10D Possible Frequency Response Drift 2003.11.11
8563E Modification Recommended 8563E-09 High displayed average noise level in wide bandwidths 1994-05
8563E Modification Recommended 8563E-08 5-Volt Regulator Reliability Improvement on A6 1993.11.24
8563E Modification Available 8563E-07A Modification to improve focus reliability 1996-08
8563E Modification Available 8563E-06 I.F. errors falsely displayed at cold temperatures before OCXO is warmed up 1993.09.08
8563E Modification Available 8563E-04L Firmware Upgrade Kit and Information 1999-11
8563E Modification Recommended 8563E-02C Defective 5-volt regulators on A6 power supply and A14 frequency control assemblies 1994.01.10
8563E Modification Recommended 8563E-01A Modification for Intermittent sampler unlock errors 1993.02.05
8563E Information Only 8563E-M62A Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. 1998-12
8563E Information Only 8563E-M63A The Pascal operating environment has a defect related to the year 2000. 1998-12
8563E Modification Recommended 8563E-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector. 1999-02
8563EC Modification Recommended 8563EC-02 Possible Frequency Response Drift 2000-06
8563EC Modification Recommended 8563EC-02B Possible Frequency Response Drift 2003.11.11
8563EC Modification Recommended 8563EC-03 Possible 60 Hz related sidebands 2001.07.16
8563EC Modification Recommended 8563EC-04 A butch on the A5 IF board to possible remove error messages 561, 562, and 565 2002.02.07
8563EC Modification Recommended 8563EC-05 Replace A2 board to remove spikes on falling edges of a square pulse 2002.02.07
8563EC Modification Recommended 8563EC-06 Perform butch on A3 interface board to remove gated video problems 2002.03.13
8563EC Information Only 8563EC-07 New A15 RF Board Replacement Part Numbers 2004.12.20
8563EC Modification Recommended 8563EC-08 Unstable Noise Floor and/or 500 series Error Messages 2006.03.26
8563EC Information Only 8563EC-09 Possible interference between Line Switch and LCD Bracket 2011.05.09
8563EC Modification Recommended 8563EC-11-RECALL Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. 2012.03.15
8563EC Information Only 8563EC-12A LCD Assembly Lower Level Part Numbers 2013.12.10
8563ER Modification Recommended 8563ER-19C Year 2K Update Information 1999.01.20
8563ER Information Only 8563ER-M61A Y2K update information. RMB support software update information. 1998-12
8563ER Information Only 8563ER-M62A Y2K update information. Microsoft Windows, Win 3.1, Win95 and Win98 software update information. 1998-12
8563ER Information Only 8563ER-M63A The Pascal operating environment has a defect related to the year 2000. 1998-12
8564E Information Only 8564E-18 A1A2 RPG Assembly & A1 Keyboard P/N Change 1999.02.18
8564E Priority Safety 8564E-12-S Possible Shoulder Strap Failure Under Load 1998.07.31
8564EC Modification Recommended 8564EC-03 Possible 60 Hz related sidebands 2001.07.16
8564EC Modification Recommended 8564EC-04 A butch on the A5 IF board to possible remove error messages 561, 562, and 565 2002.02.07
8564EC Modification Recommended 8564EC-05 Replace A2 board to remove spikes on falling edges of a square pulse 2002.02.07
8564EC Information Only 8564EC-06 Modification to fix gated video problem. 2002.03.13
8564EC Information Only 8564EC-07 A15 Replacement Part Number Update 2004.12.20
8564EC Modification Recommended 8564EC-08 Unstable Noise Floor and/or 500 series Error Messages 2006.03.26
8564EC Information Only 8564EC-09 Possible interference between Line Switch and LCD Bracket 2011.05.09
8564EC Information Only 8564EC-11A LCD Assembly Lower Level Part Numbers 2013.12.10
8565A Modification Recommended 8565A-7 Serials Prefixed 2027 A and Below – THIRD CONVERTER ASSEMBL V REPLACEMENT KIT 1981-06
8565A Modification Recommended 8565A-10 IMPROVED FREQUENCY RESPONSE PERFORMANCE TEST 1981-04
8565A Modification Recommended 8565A-11 FUSED 30V POWER SUPPLY 1981-06
8565E Information Only 8565E-18 A1A2 RPG Assembly & A1 Keyboard P/N Change 1999.02.18
8565E Priority Safety 8565E-12-S Possible Shoulder Strap Failure Under Load 1998.07.31
8565EC Modification Recommended 8565EC-02B Possible Frequency Response Drift 2003.11.11
8565EC Modification Recommended 8565EC-03 Possible 60 Hz related sidebands 2001.07.16
8565EC Modification Recommended 8565EC-04 A butch on the A5 IF board to possible remove error messages 561, 562, and 565 2002.02.07
8565EC Modification Recommended 8565EC-05 Replace A2 board to remove spikes on falling edges of a square pulse 2002.02.07
8565EC Modification Recommended 8565EC-06 Perform butch on A3 interface board to remove gated video problems 2002.03.13
8565EC Information Only 8565EC-07 New A15 RF Board Replacement Part Numbers 2004.12.20
8565EC Modification Recommended 8565EC-08 Unstable Noise Floor and/or 500 series Error Messages 2006.03.26
8565EC Information Only 8565EC-09 Possible interference between Line Switch and LCD Bracket 2011.05.09
8565EC Modification Recommended 8565EC-11-RECALL Calibrations performed on some Spectrum Analyzers by Agilent Technologies between January 01, 2010 and 02 February 2012 show a false pass in the test summary for the frequency response band 0 test. 2012.03.13
8565EC Information Only 8565EC-12A LCD Assembly Lower Level Part Numbers 2013.12.10
8566A Modification Recommended 8566A-7 IF Section Serial Prefix 1928A and Below – MODIFICATION TO IMPROVE MAGNETIC SUSCEPTIBILITY OF DISPLAY 1980-02
8566A Modification Recommended 8566A-15 FIELD INSTALLATlON OF OPTION 650 1981-05
8566A Modification Recommended 8566A-16 RF ATTENUATOR WITH CALIBRATION ROM REPLACEMENT 1981-05
8566A Information Only 8566A-1981 8566A and 8568A FAN FILTERS 1981-04
8566B Information Only 8566B-01 Rack Mounting with Slides (Option 010); English System II Cabinet Parts 1985-05
8566B Information Only 8566B-02 Rack Mounting with Slides (Option 010); Metric System II Cabinet Parts 1985-05
8566B Information Only 8566B-05 Repair and replacement of A5A2 Rotary Pulse Generator 1992.12.09
8566B Information Only 8566B-10B Option 462 6 dB resolution bandwidths 1993.12.21
8566B Modification Available 8566B-11B A15 Controller Assembly Firmware Replacement Kit 1989.11.13
8566B Information Only 8566B-12A Installation Procedure for Rebuilt A15 Controller Assembly 1987-08
8566B Modification Recommended 8566B-19 Replacement RF Attenuator Retrofit Kit with Calibration PROM 1987-11
8566B Modification Available 8566B-19A RF Attenuator with Calibration ROM Replacement 1993.03.02
8566B Modification Recommended 8566B-20 Misloaded Capacitor Exposed to 130% of Its Rating 1990.05.25
8566B Modification Recommended 8566B-33 Oven Oscillator Thermal Fuse Failure 1990.04.10
8566B Information Only 8566B-37 New A4A1 Video Processor 1991.12.04
8566B Modification Recommended 8566B-39 Intermittent PC Edge Connectors on A4A4 Bandwidth Filter Assembly 1993.02.20
8566B Information Only 8566B-40 Spurious Responses in Low Band 1997-07
8566B Information Only 8566B-41 Recommended replacement for A10A6U2 OP AMP 1994-10
8566B Information Only 8566B-42 RF Section Fan Motor Replacement 1996-01
8567A Modification Recommended 8567A-04 Misloaded Capacitor Exposed to 130% of Its Rating 1990.05.25
8567A Modification Recommended 8567A-11A Frequency Spur Correction 1989.12.21
8568A Information Only 8568A-1-82 KEYBOARD SWITCH FAILURES (FLYING SPRING SYNDROME) 1982-02
8568A Modification Recommended 8568A-20 IF Section Serial Prefix 1928A and Below – MODIFICATION TO IMPROVE MAGNETIC SUSCEPTIBILITY OF DISPLAY 1980-02
8568A Information Only 8568A-25 USING THE 8444A TRACKING GENERATOR – WITH THE 8568A SPECTRUM ANALYZER 1980-03
8568A Modification Recommended 8568A-28 IF Section Serial Prefix 2005A and Below; RF Section Serial Prefix 1921A and Below – 3 MHz RESOLUTION BANDWIDTH 1980-03
8568A Modification Recommended 8568A-37 All Serial Prefixes – RF ATTENUATOR WITH CALIBRATION ROM REPLACEMENT 1980-08
8568A Modification Recommended 8568A-46A Frequency Spur Correction 1989.12.21
8568A Information Only 8568A-1981 8566A and 8568A FAN FILTERS 1981-04
8568B Information Only 8568B-01 Rack Mounting with Slides (Option 010); English System II Cabinet Parts 1985-05
8568B Information Only 8568B-02 Rack Mounting with Slides (Option 010); Metric System II Cabinet Parts 1985-05
8568B Modification Recommended 8568B-04A Frequency Spur Correction 1989.12.21
8568B Information Only 8568B-10B Option 462 6dB Resolution Bandwidths 1993.12.21
8568B Modification Available 8568B-11B A15 Controller Assembly Firmware Replacement Kit 1989.11.13
8568B Information Only 8568B-12A Installation Procedure for Rebuilt A15 Controller Assembly 1987-08
8568B Modification Recommended 8568B-14 Misloaded Capacitor Exposed to 130% of Its Rating 1990.05.25
8568B Modification Available 8568B-21 LO Amplifier Replacement Kit 1989.12.06
8568B Information Only 8568B-25 New Cooling Fans for the 8568B Spectrum Analyzer 1991.09.26
8568B Modification Recommended 8568B-27 Oven Oscillator Thermal Fuse Failure 1990.04.10
8568B Modification Recommended 8568B-28 Surface-Acoustic-Wave Resonator Failures 1990.04.12
8568B Information Only 8568B-31 New A4A1 Video Processor 1990.12.04
8568B Information Only 8568B-35 RF Section Fan Motor Replacement 1996-01
8568B Information Only 8568B-41 Recommended replacement for A10A6U2 OP AMP 1994-04
8590L Priority Safety 8590L-09-S Possible Shoulder Strap Failure Under Load 1998.07.31
8591E Priority Safety 8591E-14-S Possible Shoulder Strap Failure Under Load 1998.07.31
8592L Priority Safety 8592L-07-S Possible Shoulder Strap Failure Under Load 1998.07.31
8593E Priority Safety 8593E-15-S Possible Shoulder Strap Failure Under Load 1998.07.31
8594E Priority Safety 8594E-14-S Possible Shoulder Strap Failure Under Load 1998.07.31
8595E Priority Safety 8595E-14-S Possible Shoulder Strap Failure Under Load 1998.07.31
8596E Priority Safety 8596E-14-S Possible Shoulder Strap Failure Under Load 1998.07.31
8620A Modification Required 8620A-6B Modification Required for Compatibility with 86290A, 2.0-18.0 Ghz RF Plug-In or 8410B Network Analyzer 1975-04
8620B Modification Required 8620B-3 Modification Required for 86290A 2.0-18.0 GHz Plug-In Compatibility 1974-09
8642M Modification Recommended 8642M-03A Procedure to Resolve A11 and A12 Module Failures 1992.07.10
8648A Modification Recommended 8648A-01A Firmware defect repair for 8648A opt 1EP 2009.05.04
8648A Modification Recommended 8648A-02B Procedure to replace defective 864X display module 2009.10.21
8648A Information Only 8648A-03 Ensuring the correct motherboard part number is entered when using the Motherboard Repair Utility. 2008.05.02
8648B Information Only 8648B-01 No RF out failure caused by not turning pulse mod off 1995.11.01
8648B Modification Recommended 8648B-02B Procedure to replace defective 864X display module 2009.10.21
8648B Information Only 8648B-03 Ensuring the correct motherboard part number is entered when using the Motherboard Repair Utility. 2008.05.02
8648B Information Only 8648B-04 Reverser Power Protection (RPP) replacement kit for Option 1E6 and/or 1E2 requires additional cables to complete the repair 2008.06.11
8648C Information Only 8648C-01 No RF out failure caused by not turning pulse mod off 1995.11.01
8648C Modification Recommended 8648C-02B Procedure to replace defective 864X display module 2009.10.21
8648C Information Only 8648C-03 Ensuring the correct motherboard part number is entered when using the Motherboard Repair Utility. 2008.05.02
8648C Information Only 8648C-04 Reverser Power Protection (RPP) replacement kit for Option 1E6 and/or 1E2 requires additional cables to complete the repair 2008.06.17
8648D Modification Recommended 8648D-02B Procedure to replace defective 864X display module 2009.10.21
8648D Information Only 8648D-03 Ensuring the correct motherboard part number is entered when using the Motherboard Repair Utility. 2008.05.02
8648D Information Only 8648D-04 Reverser Power Protection (RPP) replacement kit for Option 1E6 and/or 1E2 requires additional cables to complete the repair 2008.06.17
8654A Modification Recommended P-08654-60047 Serial Prefix 1530A and Below MICROPHONICS REDUCTION KIT 1975-12
8654B Information Only 8654B-1 IMPROVED PERFORMANCE TESTS AND ADJUSTMENTS USING THE 8901A 1980-12
8656A Modification Recommended 8656A-10A Serials Prefixed 2124A and Below – MODIFICATION to CORRECT for SPURIOUS SIDEBANDS 60·110 MHz VCO 1981-09
8662A Modification Recommended 8662A-12E Modification Kit to correct Error 03/04 conditions. 1992.04.07
8662A Modification Recommended 8662A-17A Synthesised Signal Generator VCO (08662-60485) failures 1998-08
8662A Modification Recommended 8662A-18 Procedure to resolve A7A4 (08662-60376) C2 and C3 leakage 1999-03
8662A Modification Recommended 8662A-19 Procedure to resolve 2-4 MHz spurs out from 640-1280 MHz carrier 1999-07
8662A Modification Recommended 8662A-20 Procedure to resolve 230V misprinted fuse rating on fuse plate. 2000-03
8662A Modification Recommended 8662A-21 Procedure to resolve A7A3C10 polarity misprinted. 2000-09
8663A Modification Recommended 8663A-06E Modification Kit to correct Error 03/04 conditions. 1992.04.03
8663A Modification Recommended 8663A-11A Synthesised Signal Generator VCO (08662-60485) failures 1998-08
8663A Modification Recommended 8663A-13 Procedure to resolve 2-4 MHz spurs out from 640-1280 MHz carrier 1999-07
8663A Modification Recommended 8663A-14 Procedure to resolve 230V misprinted fuse rating on fuse plate. 2000-03
8663A Modification Recommended 8663A-15 Procedure to resolve A7A3C10 polarity misprinted. 2000-09
8690A Modification Recommended 8690A-1 RECOMMENDED REPLACEMENT FOR A3V5 1967-03
8690A Modification Recommended 8690A-2A RECIPROCAL AMPLIFIER IMPROVEMENTS 1969-03
8690A Modification Recommended 8690A-3 RECOMMENDED REPLACEMENT TRANSISTOR 1967-09
8690A Modification Recommended 8690A-4 REPLACEMENT PUSHBUTTONS 1967-09
8690A Modification Recommended 8690A-5 FAN NOISE REDUCTION 1967-09
8690A Modification Recommended 8690A-6 MODIFICATION FOR USE WITH HP MODEL 8706A AND 8707A 1967-11
8690A Modification Recommended 8690A-7 A modification of the circuit wiring of 8690A Sweep Oscillators, serials below 641-00261, is required for compatibility of these instruments with RF Units with Serial Prefix 724- and above. 1967-11
8690A Modification Recommended 8690A-8 IMPROVED PEN LIFT RELAY KIT 1968-05
8690A Modification Recommended 8690A-9 Improved Power Supply Reliability & Improved Square Wave Symmetry. 1968-06
8690A Modification Recommended 8690A-10 Serials 803-02061 to 818-02430 - MISSING CONNECTION ON A3 RECIPROCAL AMPLIFIER BOARD 1968-03
8690A Modification Recommended 8690A-11 RECOMMENDED REPLACEMENT FOR 8690A: A3V4, A4V1, A4V2, A4V4 8690B: A4V1, A4V2, A4V4 1969-03
8690A Modification Recommended 8690A-12 REPLACEMENT OF CAPACITORS CONTAINING PCB 1973-02
8690A Modification Recommended 8690A-12A REPLACEMENT OF CAPACITORS CONTAINING PCB 1973-05
8690A Modification Recommended 8690A-13 RECOMMENDED REPLACEMENT FOR A8C4 AND A8C5 1974-03
8690A Information Only 8690A-1967 Power Meter Leveling the 8690A Sweep Oscillator 1967-02
8690A Modification Recommended 8690A-670726 Incompatibility with RF Units, Prefix 724- and above 1967.07.26
8690A Modification Recommended P-08690-6029 HELIX AMPLIFIER MODIFICATION KIT 1971-11
8690A Modification Recommended P-08690-6029-67 HELIX AMPLIFIER MODIFICATION KIT 1967-10
8690A Modification Recommended P-08690-6043 Serials Below 803-2061 Improved +27 5 V /-300 V Power Supplies 1968-04
8690A/B Modification Recommended 8690A-1968 Power Meter Leveling HP Model 8690A/B Sweep Oscillators 1968.12.31
8690A/B Modification Recommended P-08690-60053 HIGH VOLTAGE POWER SUPPLY BOARD ASSEMBLY - IMPROVED TIME DELAY CIRCUIT 1971-12
8690A/B Modification Recommended P-9100-2882 IMPROVE RESIDUAL FM WITH NEW REPLACEMENT POWER TRANSFORMER 1970-01
8690B Modification Recommended 8690B-1 Serials 803-02061 to 818-02430 - MISSING CONNECTION ON A3 RECIPROCAL AMPLIFIER BOARD 1968-03
8690B Safety 8690B-1-70 POSSIBLE SAFETY HAZARD. 1970-08
8690B Modification Recommended 8690B-2 RECOMMENDED REPLACEMENT FOR 8690A: A3V4, A4V1, A4V2, A4V4 8690B: A4V1, A4V2, A4V4 1969-03
8690B Modification Recommended 8690B-3 TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES 1969-12
8690B Modification Recommended 8690B-4 RECOMMENDED REPLACEMENTS for TRANSISTOR A1403 AND RESISTOR A3R63 1970-01
8690B Modification Recommended 8690B-5 MODIFICATION TO IMPROVE LINE SYNC TRIGGERING 1971-03
8690B Modification Recommended 8690B-6 MODIFICATIONS TO IMPROVE RELIABILITY 1972-01
8690B Modification Recommended 8690B-7 REPLACEMENT OF CAPACITORS CONTAINING PCB 1973-02
8690B Modification Recommended 8690B-8 RECOMMENDED REPLACEMENT FOR A8R14 1974-03
8690B Modification Recommended 8690B-9 RECOMMENDED REPLACEMENT FOR A8C4 and A8C5 1974-03
8690B Modification Recommended 8690B-U-3 TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES 1970-02
8698B Modification Recommended 8698B-1 TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES 1969-12
8699B Modification Recommended 8699B-1 TIGHTEN 8690B VOLTAGE ADJUSTMENT TOLERANCES 1969-12
8751A Modification Recommended 8751A-17 Modification to fix unexptected spurious problem. 1995.04.15
8751A Modification Recommended 8751A-18 Firmware Upgrade Improves Performance and Corrects Known Problems Described in Table 1 1992.01.30
8753ES Modification Recommended 8753ES-03B Old A10 (8753-60095) board causes points to be dropped from trace, if U28 was manufactured by Fairchild. 2008.06.02
8753ET Modification Recommended 8753ET-01A Old A10 (08753-60095) board causes points to be dropped from trace, 2001.10.31
8757D Modification Recommended 8757D-01 The 8757D logger boards (A7-A10; P/N 08757-60146) have a reference diode that has excessive temperature drift. This drift may cause the dynamic accuracy test (as measured by the 11613A/B) to fail. 2008.08.17
8902A Modification Available 8902A-VAR Service Notes Collection for the 8902A Measuring Receiver 1986-10
8904A Modification Recommended 8904A-04 Replacement of Audio Transformer to Correct Inverted Waveform 1992.01.01
8904A Information Only 8904A-05 8904A Multifunction Synthesizer Procedure For Restoring RAM Data 1993.09.24
8921A Modification Recommended 8921A-01 H/W and F/W upgrade required for 83201A compatibility 1993.06.09
8921A Modification Recommended 8921A-02 Rec mod corrects tone/digital signaling functionality 1993.12.31
8921A Modification Recommended 8921A-03 New F/W A.10.07 corrects erroneous self text diagnostic results 1993.11.23
8921A Modification Recommended 8921A-05 Cooling fan's shield can become loose or fall off 1996.09.12
8922M Safety 8922M-09-S Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) 2000.01.31
8922P Safety 8922P-06-S Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) 2000.01.31
8922R Safety 8922R-03-S Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) 2000.01.31
8922S Safety 8922S-04-S Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) 2000.01.31
8922X Safety 8922X-06-S Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) 2000.01.31
8922Y Safety 8922Y-03-S Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) 2000.01.31
8970B Information Only 8970B-06 New A14 Microprocessor Assembly 1992.08.18
8970B Information Only 8970B-07 Spurious Response and Jitter Specification Changed 1992.08.27
8970B Information Only 8970B-10 New more robust A6 Input Assembly for Option 020 1998-08
8970B Information Only 8970B-11 Change to Input Power Detector Gain and Offset Adjustment Procedure 1999-01
8970B Information Only 8970B-12 Main Differences between Standard 8970B and 8970B Option 020 1999-01
8970B Information Only 8970B-13 Agilent 8970B Noise Figure Meter 2004.05.21
8990B Modification Available 8990B-01 Window XP upgrade to Window 7 2014.05.15
8990B Modification Recommended 8990B-02 Unresponsive knobs on 8990B front panel. 2015.10.20
8990B Modification Recommended 8990B-03 Peak Power Analyzer shuts off for no apparent reason 2017.09.20
10400B Information Only 10400B-01 Special support for 104xxA Probes and their replaceable parts 2001.07.17
10529A Modification Available 10529A-01 Instructions on replacing the A2 main board assembly 1993.03.01
10762B Modification Recommended 10762B-01 Switches S1, S2 and S3 may be subject to early failure 1993.12.31
10887B Modification Recommended 10887B-01 New IC sockets prevent FPGAs from falling out 1994.10.10
10887P Modification Recommended 10887P-01 New IC sockets prevent FPGAs from falling out 1994.10.10
10889B Modification Recommended 10889B-01 Resoldering address switch S2 corrects intermittents 1995.07.27
10897B Information Only 10897B-01 Capacitors are misloaded 1999.06.24
11713A Modification Recommended 11713A-02 Modification reduces noise susceptibility 1993.12.31
11713B Modification Recommended 11713B-08 11713B Attenuation/Switch Driver could have built with PSU cover (PN 11713-00033) with wrong insulator placement. 2021.01.24
11713C Modification Recommended 11713C-08 11713C Attenuation/Switch Driver could have built with PSU cover (PN 11713-00033) with wrong insulator placement. 2021.01.24
11729C Modification Recommended 11729C-04 Isolator (AT2) Replacement 1993.08.27
11947A Information Only 11947A-01 May Fail Limiter Function Test 2011.08.01
16008B Information Only 16008B-01A New thread sealant for top cover micro-switch maintains adj 1994.10.11
16008B Modification Recommended 16008B-02 Rec repl of main electrode if cond elastomer sheet is loose 1994.07.06
16034E Information Only 16034E-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16034E SMD Test Fixture 2018.04.03
16034G Information Only 16034G-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16034G SMD Test Fixture 2013.07.12
16034H Information Only 16034H-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16034H SMD Array Type LCR Test Fixture 2013.07.12
16047A Information Only 16047A-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16047A Test Fixture for Axial and Radial Leaded Components. 2012.06.14
16047A Information Only 16047A-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16047A Test Fixture for Axial and Radial Leaded Components. 2012.08.08
16047C Information Only 16047C-01 Instructions on replacing the BNC connector and electrode 1994.07.07
16047E Information Only 16047E-01B This service note provides the updated part numbers and figures for both RoHS and non- RoHS 16047E Test Fixture for Axial Lead Components. 2018.08.01
16048A Information Only 16048A-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16048A Test Lead (BNC Connector, with BNC Connector Board) 2013.01.08
16048D Information Only 16048D-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16048D 2m BNC Test Cable 2013.04.01
16048E Information Only 16048E-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16048E Test Leads 2013.04.08
16048G Information Only 16048G-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16048G 1m Port Extension Cable for Impedance Analyzer 2015.06.01
16048H Information Only 16048H-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16048H 2m Port Extension Cable for Impedance Analyzer 2015.06.01
16055A Information Only 16055A-01 Banana plug is discontinued 2001.11.28
16060A Information Only 16060A-01B This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16060A Transformer Test Fixture. 2014.09.03
16065A Information Only 16065A-01A This service note provides the updated part numbers and figures for both RoHS and non- RoHS 16065A Ext Voltage Bias Fixture. 2014.09.03
16065C Information Only 16065C-01B This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16065C 40Vdc External Voltage Bias Adapter 2014.09.03
16089A Information Only 16089A-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16089A Large Kelvin Clip Lead 2013.04.01
16089B Information Only 16089B-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16089B Medium Kelvin Clip Lead 2012.11.19
16089C Information Only 16089C-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16089C Kelvin IC Clip Lead 2013.04.01
16089C Information Only 16089C-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16089C Kelvin IC Clip Lead 2016.04.27
16089E Information Only 16089E-01 16089E Kelvin Clip Lead - Semi Opaque “Rubber band” Replacement Part. 2015.04.30
16092A Modification Available 16092A-01 New metal clips improve contact repeatability 1993.12.12
16092A Information Only 16092A-02B This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16092A Spring Clip Fixture 2018.08.01
16092A Modification Recommended 16092A-03 The conductivity of the defective holder (16092-40616) causes the Q measurement abnormally 2013.05.28
16117B Information Only 16117B-01 Rec replacement parts for black cover/gold contact plug 1994.11.04
16117B Information Only 16117B-02 Design of interlock cable has been changed 1995.02.17
16117B Information Only 16117B-03 16117B Cable Assembly for Opt 800(1m)/C20(2m)/C30(3m); Accessories Opt 001/002/003 – Support Parts Identification 2016.07.06
16190B Information Only 16190B-01A This service note provides the updated part numbers and figures for both RoHS and non- RoHS 16190B Performance Test Kit, 7mm. 2014.08.08
16192A Information Only 16192A-02 Repair information on old designed parts 1996.09.13
16192A Information Only 16192A-03A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16192A Parallel Electrode SMD Test Fixture. 2013.05.07
16194A Information Only 16194A-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16194A High Temperature Component Test Fixture 2014.08.08
16195B Information Only 16195B-01A This service note provides the updated part numbers and figures for both RoHS and non- RoHS 16195B Calibration Kit, 7mm. 2014.08.08
16195B Information Only 16195B-02B 16195B calibration/repair strategy 2017.03.20
16196A Information Only 16196A-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16196A Parallel Electrode SMD Test Fixture, DC to 3 GHz. 2014.08.07
16196B Information Only 16196B-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16196B Parallel Electrode SMD Test Fixture, DC to 3 GHz 2014.08.07
16196C Information Only 16196C-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16196C Parallel Electrode SMD Test Fixture, DC to 3 GHz 2014.08.07
16196D Information Only 16196D-01A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16196D Parallel Electrode SMD Test Fixture, DC to 3 GHz 2014.08.07
16197A Modification Recommended 16197A-01 Dimensional distortion of the contact assembly interferes with operations. 2004.06.29
16197A Information Only 16197A-02A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16197A Bottom Electrode SMD Test Fixture 2014.08.07
16198A Modification Available 16198A-01 The screws which fix the DUT cover and PC board strip out 2019.01.08
16200B Information Only 16200B-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16200B External DC Bias Adapter 2012.09.11
16334A Information Only 16334A-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16334A Test Fixture 2013.04.09
16339A Modification Recommended 16339A-01 Modification to correct a misassembled arm plate in SMD module 1992.07.31
16339A Modification Recommended 16339A-02 New miniature banana-plug cable wire eliminates breakage 1993.05.31
16339A Information Only 16339A-03 Part number changes in 16339A Component Test Fixture 2012.05.24
16380C Modification Recommended 16380C-01 Mod prevents potential damage to the carrying case 1993.03.31
16441A Modification Recommended 16441A-01 Mod corrects abnorm measumnts using R-Box & Kelvin-Triax cbls 1994.08.04
16451B Information Only 16451B-02 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16451B Dielectric Test Fixture. 2013.04.30
16452A Information Only 16452A-01B This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16452A Liquid Test Fixture 2017.06.29
16452A Information Only 16452A-02 16452A Connector Part Number change 2023.04.05
16453A Information Only 16453A-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 16453A Dielectric Material Test Fixture 2013.04.23
16454A Information Only 16454A-01A This service note provides the updated part numbers and figures for both RoHS and non- RoHS 16454A Magnetic Material Test Fixture. 2014.08.07
16500B Information Only 16500B-01 170MB hard disk drive update for 16500B mainframe 1994.03.01
16555A Modification Recommended 16555A-02 Mod corrects Master/Expander operation 1995.10.31
16903A Modification Recommended 16903A-01 Upgrades of CPU motherboard, Main Interface Board,(MIB), and PCI board to improve system reliability. 2004.11.02
18281A Modification Recommended 18281A-02 Mod to remove PS3 to prevent network crashes 1993.12.12
18282A Modification Recommended 18282A-01 Exchange board fixes misloaded capacitors 1992.02.29
18283A Modification Recommended 18283A-01 Exchange board fixes misloaded capacitors 1992.02.29
18284A Modification Recommended 18284A-01 Exchange board fixes misloaded capacitors 1992.02.29
33220A Modification Recommended 33220A-01 Updating Firmware may result in Corrupt Memory 2006.08.23
33220A Modification Recommended 33220A-02C Encoder May Be Subject to Early Failure 2012.03.13
33220A Modification Recommended 33220A-03 Flatness Calibration Error 2009.08.06
33220A Modification Recommended 33220A-03 Flatness Calibration Error 2009.08.24
33250A Modification Recommended 33250A-01 Amplitude Flatness May Exceed One-Year Limits in First Year. 2004.07.05
33250A Modification Recommended 33250A-02 Flatness Calibration Error 2009.08.06
33250A Modification Recommended 33250A-03B Internal Clock Reference Calibration Error 2010.09.21
33502A Information Only 33502A-01 New Keysight color with new replacement part number. 2020.06.09
33502A Information Only 33502A-02 The LAN MAC address assigned to B2900B series may have a duplicate with the one assigned to 33502A 2021.11.18
33509B Modification Recommended 33509B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33509B Modification Recommended 33509B-03 The dot key on front panel intermittently not active. 2018.08.02
33509B Modification Recommended 33509B-04 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33509B Information Only 33509B-05 LAN connection failure when connected to external switch/hub. 2023.07.26
33510B Modification Recommended 33510B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33510B Modification Recommended 33510B-03 The dot key on front panel intermittently not active. 2018.08.02
33510B Modification Recommended 33510B-04 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33510B Information Only 33510B-05 LAN connection failure when connected to external switch/hub. 2023.07.26
33511B Modification Recommended 33511B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33511B Modification Recommended 33511B-03 The dot key on front panel intermittently not active. 2018.08.02
33511B Modification Recommended 33511B-04 The trigger LED does not blink when burst mode is set to on 2018.10.02
33511B Information Only 33511B-05 LAN connection failure when connected to external switch/hub. 2023.07.27
33512B Modification Recommended 33512B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33512B Modification Recommended 33512B-03 The dot key on front panel intermittently not active 2018.08.02
33512B Modification Recommended 33512B-04 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33512B Information Only 33512B-05 Option 335IQPU is no longer available. 2020.08.04
33512B Information Only 33512B-06 LAN connection failure when connected to external switch/hub. 2023.07.26
33512B Information Only 33521B-05 LAN connection failure when connected to external switch/hub. 2023.07.26
33519B Modification Recommended 33519B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33519B Modification Recommended 33519B-03 The dot key on front panel intermittently not active 2018.08.02
33519B Modification Recommended 33519B-04 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33519B Information Only 33519B-05 LAN connection failure when connected to external switch/hub. 2023.07.26
33520B Modification Recommended 33520B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33520B Modification Recommended 33520B-03 The dot key on front panel intermittently not active 2018.08.02
33520B Modification Recommended 33520B-04 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33520B Information Only 33520B-05 LAN connection failure when connected to external switch/hub. 2023.07.26
33521A Information Only 33521A-01 "External clock reference indicator may be incorrect when exceeding the published specifications" 2010.09.16
33521AN Modification Recommended 33521AN-01 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33521AN Modification Recommended 33521AN-02 The dot key on front panel intermittently not active 2018.08.02
33521AN Modification Recommended 33521AN-03 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33521AN Information Only 33521AN-04 LAN connection failure when connected to external switch/hub 2023.08.15
33521B Modification Recommended 33521B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33521B Modification Recommended 33521B-03 The dot key on front panel intermittently not active 2018.08.02
33521B Modification Recommended 33521B-04 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33522A Information Only 33522A-01 "External clock reference indicator may be incorrect when exceeding the published specifications" 2010.09.16
33522B Modification Recommended 33522B-02 Some customers have reported that, when line power is applied to the instrument but the instrument is NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with a newly designed power supply, as detailed in the solution below. 2017.10.11
33522B Modification Recommended 33522B-03 The dot key on front panel intermittently not active 2018.08.02
33522B Modification Recommended 33522B-04 The trigger LED does not blink when burst mode is set to on. 2018.10.02
33522B Information Only 33522B-05 Option 335IQPU is no longer available. 2020.08.05
33522B Information Only 33522B-06 LAN connection failure when connected to external switch/hub. 2023.07.26
33611A Information Only 33611A-02 Firmware on this instrument should be updated to the latest revision before any repairs are initiated on this product. 2014.04.07
33611A Modification Recommended 33611A-03 Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. 2017.01.09
33611A Modification Recommended 33611A-05 Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. 2023.06.20
33612A Information Only 33612A-02 Firmware on this instrument should be updated to the latest revision before any repairs are initiated on this product. 2014.04.07
33612A Modification Recommended 33612A-03 Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. 2017.01.09
33612A Information Only 33612A-05 Option 336IQPU is no longer available. 2020.08.05
33612A Modification Recommended 33612A-06 Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. 2023.06.20
33621A Information Only 33621A-02 Firmware on this instrument should be updated to the latest revision before any repairs are initiated on this product. 2014.04.07
33621A Modification Recommended 33621A-03 Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. 2017.01.09
33621A Modification Recommended 33621A-05 Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. 2023.06.20
33622A Information Only 33622A-02 Firmware on this instrument should be updated to the latest revision before any repairs are initiated on this product. 2014.04.07
33622A Modification Recommended 33622A-03 Customers have reported that when power is applied to the instrument but the instrument NOT turned on (“Standby Mode”), some instruments will emit an audible high-pitched whistle or whine. To fix this, the existing power supply must be replaced with the newer power supply, as detailed in the solution below. 2017.01.09
33622A Information Only 33622A-05 Option 336IQPU is no longer available. 2020.08.05
33622A Modification Recommended 33622A-06 Incorrect non-volatile memory size on waveform generators built with FW revision A.02.00 until A.02.02. 2023.06.20
34172B Modification Recommended 34172B-01 Intermittent Ohm measurement failure when using shorting block. 2018.08.06
34401A Information Only 34401A-01 Calib message strings longer than 39 char can cause HP-IB bus hang-up 1992.06.01
34401A Modification Recommended 34401A-02 Modification resizes input terminals to accept European plugs 1993.03.31
34401A Modification Recommended 34401A-03 Mod improves time stability of DC current ranges (10 mA/100 mA) 1994.03.10
34401A Information Only 34401A-04 Explanation of indicated calibration failure of AC current 1994.03.11
34401A Modification Recommended 34401A-05A Excessive time drift of ohms function calibration 1995.01.11
34401A Information Only 34401A-06 Display assembly replacement requires compatible firmware. 1996-01
34401A Modification Recommended 34401A-07 Mod corrects RS-232 communication error 1996.06.13
34401A Modification Recommended 34401A-08 Communication on the GPIB stops or an error flag is set under some operating conditions 1997.08.31
34401A Modification Recommended 34401A-09 Mod to eliminate infrequent erroneous ""overload"" indication 2001.01.07
34401A Modification Recommended 34401A-10A RS232 Communication Error for the HP34401A 1998.06.30
34401A Modification Recommended 34401A-11 Failure to meet the 1M & 10M 4-Wire ohm 1yr specs 1999.02.17
34401A Modification Recommended 34401A-12 10 megohm and 100 megohm ranges drift out of specification 2003.10.08
34401A Information Only 34401A-14A 34401A New Look 2007.09.10
34401A Modification Recommended 34401A-15B 10 megohm and 100 megohm ranges drift out of specification 2011.10.03
34401A Modification Recommended 34401A-16A The instrument may not show the correct voltage, when measuring a voltage in the range of -67 to -124 volts DC. 2011.08.08
34401A Modification Recommended 34401A-17B Temperature drift out of accuracy specification on 3 Amp 2012.04.02
34401A Modification Recommended 34401A-18 AC Volts accuracy may drift out of specification before first calibration 2014.06.01
34401A Modification Recommended 34401A-21 Customer reported out of box failures of the 90 day 1000V DCV Gain Verification and 100V/1 kHz ACV Gain Verification points. Replacement unit provided to customer also exhibited the same failures. Investigation revealed instability of a test instrument used during factory calibration and verification. 2017.10.08
34405A Modification Available 34405A-01 Firmware upgrade to eliminate Error 631 or Error 635 when self-test is performed 2007.03.01
34405A Modification Available 34405A-02 Firmware upgrade to resolve turn on failure and performance improvement 2007.09.10
34405A Information Only 34405A-04 Fuse cap of the new fuse holder assembly cannot fit into the old fuse holder. 2011.12.12
34405A Modification Available 34405A-05 Firmware upgrade to resolve intermittent turn on failure 2012.05.01
34405A Modification Recommended 34405A-06 Firmware to resolve Error 635 during power cycle 2013.01.14
34405A Modification Recommended 34405A-07 No display after power on the unit. 2014.03.23
34405A Information Only 34405A-08 34405A Digital Multimeter will be replaced by 34450A Digital Multimeter 2016.12.20
34410A Modification Recommended 34410A-01A-RECALL RECALL-The 34410A has an ‘adjust always’ policy recommended by the supplying division. The calibration values determined in the adjustment routine were not stored in non-volatile memory. As a result, the unit reverted to the conditions indicated by the “As Received” conditions in the cal cert and the “As Received” measurement report. The conditions indicated in the “As Completed” conditions in the cal cert and the “As Completed” measurement report are not valid. 2010.06.01
34410A Modification Recommended 34410A-02 Several 34410A DMM units have a zero offset due to a defective shorting block used in the production calibration system. 2014.07.13
34411A Modification Recommended 3441XA-01A Procedure to latch display PCA if not properly installed. 2006.09.12
34411A Modification Recommended 34411A-01A-RECALL RECALL-The 34411A has an "adjust always" policy recommended by the supplying division. The calibration values determined in the adjustment routine were not stored in non-volatile memory. As a result, the unit reverted to the conditions indicated by the “As Received” conditions in the cal cert and the “As Received” measurement report. The conditions indicated in the “As Completed” conditions in the cal cert and the “As completed” measurement report are not valid. 2010.06.02
34411A Modification Recommended 34411A-02 Several 34411A DMM units did not get a good zero calibration in production due to a defective shorting block. 2014.07.13
34420A Modification Recommended 34420A-01 Mod corrects RS-232 communication error 1996.06.13
34420A Modification Recommended 34420A-02A RS232 Communication error for the 34420A 1998.10.07
34420A Modification Available 34420A-03 Infrequent HP-IB Hang-ups 1999.02.17
34420A Modification Recommended 34420A-04 Inaccurate temperature readings 1999.02.17
34450A Modification Recommended 34450A-01A Mechanical rattling noise due to detached shield plate. 2014.05.05
34450A Modification Available 34450A-03 Intermittent freeze occurring on screen resolve by firmware reinstallation. 2013.07.04
34450A Modification Recommended 34450A-04 34450A unit missing calibration traceability 2013.11.05
34450A Safety 34450A-05-S 34450A 5 ½ Digit Multimeter with firmware version 00.60-00.66 and below displays incorrect reading when powered with 60Hz AC line under DCV Measurement in Slow measurement mode when measuring signals above 120V DC. 2015.08.31
34450A Modification Recommended 34450A-06 34450A within the serial number range may not meet the10nF range capacitance, 100mV range DC Voltage and 100 MOhm range resistance measurements specification within the first year shipment. 2015.11.17
34450A Modification Recommended 34450A-07 2-wire resistance measurement may be out of specification at 10MOhm range. 2016.09.21
34460A Modification Recommended 34460A-02 Various instruments may exhibit an accelerated DCV drift rate which exceeds product specifications. 2014.09.14
34460A Information Only 34460A-04A Specification change in the maximum allowable measured voltage for the Keysight 34460A/34461A/34465A/34470A Digital Multimeter. 2017.04.28
34460A Modification Recommended 34460A-05 Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. 2018.04.16
34460A Modification Recommended 34460A-07A Incorrect label printing on the DMM front panel. 2021.02.08
34460A Modification Recommended 34460A-08 Failure due to front panel loose issue 2022.08.17
34461A Modification Recommended 34461A-02 Various instruments may exhibit an accelerated DCV drift rate which exceeds product specifications. 2014.09.14
34461A Information Only 34461A-04A Specification change in the maximum allowable measured voltage for the Keysight 34460A/34461A/34465A/34470A Digital Multimeter. 2017.04.28
34461A Modification Recommended 34461A-05 Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. 2018.04.16
34461A Modification Recommended 34461A-06 Units may exhibit an accelerated DCV drift rate which exceeds the 90-days or 1-year product specification within 2 weeks of usage. 2018.06.05
34461A Modification Recommended 34461A-08A Incorrect label printing on the DMM front panel . 2021.02.08
34461A Modification Recommended 34461A-09 Failure due to front panel loose issue. 2022.02.01
34465A Information Only 34465A-01A Specification change in the maximum allowable measured voltage for the Keysight 34460A/34461A/34465A/34470A Digital Multimeter. 2017.04.28
34465A Modification Recommended 34465A-02 Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. 2018.04.17
34465A Information Only 34465A-04 Option 3446DIGU is no longer available. 2020.08.05
34465A Modification Recommended 34465A-05A Incorrect label printing on the DMM front panel. 2021.02.08
34465A Modification Recommended 34465A-06 Failure due to front panel loose issue. 2022.02.01
34470A Information Only 34470A-01A Specification change in the maximum allowable measured voltage for the Keysight 34460A/34461A/34465A/34470A Digital Multimeter. 2017.04.28
34470A Modification Recommended 34470A-02 Keysight 34460A/34461A/34465A/34470A Digital Multimeter with firmware version below “FW 2.17” may experience ACV out of specification. 2018.04.16
34470A Information Only 34470A-04 Option 3446DIGU is no longer available. 2020.08.05
34470A Modification Recommended 34470A-05A Incorrect label printing on the DMM front panel. 2021.02.08
34470A Modification Recommended 34470A-06 Failure due to front panel loose issue. 2022.02.01
34703A Modification Recommended 34703A-7 Serial Numbers: Prior to 1251A01651 – TEMPERATURE SENSITIVE OHMS OPERATION 1975-04
34703A Modification Recommended 34703A-8 Serial Numbers: Prior to 1251A01351 – FAILURE OF AUTO MODE TEST 8 1975-04
34703A Modification Recommended 34703A-9 Serial Numbers: 1251AOl700 and below – IMPROPER OHMS OPERATION DUE TO BROKEN Al BOARD 1975-05
34901A Modification Recommended 34901A-01A Top cover of modules are out of tolerence causing the modules to not fit properly into the mainframe. 2002.03.31
34901A Modification Recommended 34901A-02 Internal reference junction temperature sensor improvement 2000.11.06
34901A Information Only 34901A-03 New Relay Verification Procedure 2003.06.18
34901A Modification Recommended 34901A-04B 34901A temperature measurements out of specification 2006.09.27
34901A Modification Recommended 34901A-05 The relays used in these modules may have contaminated contacts that cause intermittent high resistance. 2012.06.04
34901A Information Only 34901A-06 The optional 34901A Thermocouple Reference Junction adjustment procedure does not work. It can, and is highly likely to, degrade the performance. If the verification test fails, the unit should be replaced. 2015.07.15
34901A Modification Recommended 34901A-07 Hard or too tight to insert the module into 34970A/34972A 2018.01.17
34902A Modification Recommended 34902A-01A Modification corrects unwanted simultaneously relay closures 1998.03.01
34902A Modification Recommended 34902A-02A Top cover of modules are out of tolerance causing the modules to not fit properly into the mainframe. 2002.04.10
34902A Modification Recommended 34902A-03 New Code Eliminates Simultaneous Closure of All Channel Relays 1999.02.17
34902A Modification Recommended 34902A-04 Internal reference junction temperature sensor improvement 2000.11.06
34902A Information Only 34902A-05 New Relay Verification Procedures 2003.06.18
34902A Modification Recommended 34902A-06B temperature measurements out of specification 2006.09.27
34902A Information Only 34902A-07 The optional 34902A Thermocouple Reference Junction adjustment procedure does not work. It can, and is highly likely to, degrade the performance. If the verification test fails, the unit should be replaced. 2015.09.01
34902A Modification Recommended 34902A-08 Hard or too tight to insert the module into 34970A/3497 2018.01.17
34903A Modification Recommended 34903A-01A Top covers of modules are out of tolerance causing the modules to not fit properly into the mainframe. 2002.04.11
34903A Modification Recommended 34903A-02 The relays used in these modules may have contaminated contacts that cause intermittent high resistance. 2012.06.04
34904A Modification Recommended 34904A-01A Top cover of modules are out of tolerance causing the modules to not fit properly into the mainframe. 2002.04.17
34904A Information Only 34904A-02 New Relay Verification Procedures 2003.06.18
34904A Modification Recommended 34904A-03 The relays used in these modules may have contaminated contacts that cause intermittent high resistance. 2012.06.04
34905A Modification Recommended 34905A-01A Topcover of modules are out of tolerance causing the modules to not fit properly into the mainframe. 2002.04.17
34907A Modification Recommended 34907A-01 34970A's modules do not fit into mainframes 1998.11.10
34908A Modification Recommended 34908A-01 34970A's modules do not fit into mainframes 1998.11.10
34908A Modification Recommended 34908A-02 Internal reference junction temperature sensor improvement 2000.11.06
34908A Information Only 34908A-03 New Relay Verification Procedures 2003.06.18
34908A Modification Recommended 34908A-04B temperature measurements out of specification 2006.09.27
34908A Modification Recommended 34908A-05 The relays used in these modules may have contaminated contacts that cause intermittent high resistance. 2012.06.04
34908A Information Only 34908A-06 The optional 34908A Thermocouple Reference Junction adjustment procedure does not work. It can, and is highly likely to, degrade the performance. If the verification test fails, the unit should be replaced. 2015.09.01
34908A Modification Recommended 34908A-07 Hard or too tight to insert the module into 34970A/34972A 2018.01.17
34921A Modification Recommended 34921A-01A Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. 2013.06.06
34921A Modification Recommended 34921A-02 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34921A Information Only 34921A-03 New Keysight Color 2020.02.14
34921A Information Only 34921A-04 New Orbital Sanded Covers for 34980A modules 2022.06.27
34922A Modification Recommended 34922A-01A Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. 2013.06.06
34922A Modification Recommended 34922A-02 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34922A Information Only 34922A-03 New Keysight Color 2020.02.14
34922A Information Only 34922A-04 New Orbital Sanded Covers for 34980A modules 2022.06.27
34922T Modification Recommended 34922T-01 Unable to connect to mating connector 2022.05.01
34923A Modification Recommended 34923A-01 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34923A Information Only 34923A-02 New Keysight Color 2020.02.14
34923A Information Only 34923A-03 New Orbital Sanded Covers for 34980A modules 2022.06.27
34924A Modification Recommended 34924A-01 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34924A Information Only 34924A-02 New Keysight Color 2020.02.14
34924A Information Only 34924A-03 New Orbital Sanded Covers for 34980A modules 2022.06.27
34924T Modification Recommended 34924T-01 Unable to connect to mating connector 2022.05.01
34925A Modification Recommended 34925A-01 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34925A Information Only 34925A-02 New Keysight Color 2020.02.14
34925A Information Only 34925A-03 New Orbital Sanded Covers for 34980A modules 2022.06.27
34931A Modification Recommended 34931A-01A Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. 2013.06.06
34931A Modification Recommended 34931A-02 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34931A Information Only 34931A-03 New Keysight Color 2020.02.14
34931A Information Only 34931A-04 New Orbital Sanded Covers for 34980A modules 2022.06.27
34932A Modification Recommended 34932A-01A Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. 2013.06.06
34932A Modification Recommended 34932A-02 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34932A Information Only 34932A-03 New Keysight Color 2020.02.14
34932A Information Only 34932A-04 New Orbital Sanded Covers for 34980A modules 2022.06.27
34933A Modification Recommended 34933A-01 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.06
34933A Information Only 34933A-02 New Orbital Sanded Covers for 34980A modules 2022.06.27
34934A Information Only 34934A-01 New Keysight Color 2020.02.14
34934A Information Only 34934A-02 New Orbital Sanded Covers for 34980A modules 2022.06.27
34934C Modification Recommended 34934C-01 Unable to connect to mating connector 2022.05.01
34934T Modification Recommended 34934T-01 Unable to connect to mating connector 2022.05.01
34937A Modification Recommended 34937A-01 Firmware Upgrade to correct defect 2005.07.10
34937A Modification Recommended 34937A-02B Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. 2014.06.01
34937A Information Only 34937A-03 New Keysight Color 2020.02.14
34937A Information Only 34937A-04 New Orbital Sanded Covers for 34980A modules 2022.06.27
34938A Modification Recommended 34938A-01 Firmware Upgrade to correct defect 2005.07.10
34938A Information Only 34938A-02 New Keysight Color 2020.02.13
34938A Information Only 34938A-03 New Orbital Sanded Covers for 34980A modules 2022.06.27
34939A Modification Recommended 34939A-01A Relays may have contaminated contacts that can cause intermittent contact resistance in excess of 100 ohms. 2013.06.06
34939A Information Only 34939A-02 New Keysight Color 2020.02.14
34939A Information Only 34939A-03 New Orbital Sanded Covers for 34980A modules 2022.06.27
34939T Modification Recommended 34939T-01 Unable to connect to mating connector 2022.05.01
34941A Information Only 34941A-01 New Keysight Color 2020.02.13
34941A Information Only 34941A-02 New Orbital Sanded Covers for 34980A modules 2022.06.27
34942A Information Only 34942A-01 New Keysight Color 2020.02.14
34942A Information Only 34942A-02 New Orbital Sanded Covers for 34980A modules 2022.06.27
34945A Modification Recommended 34945A-01 Missing or corrupted FPGA code resulting in error message on 2005.11.30
34945A Information Only 34945A-02A Interruption in firmware causes flash erase instead of a special flash read operation. 2008.04.14
34945A Information Only 34945A-03 New Keysight Color 2020.02.14
34945A Information Only 34945A-04 New Orbital Sanded Covers for 34980A modules 2022.06.27
34945EXT Information Only 34945EXT-01 34945EXT modules purchased after June 1, 2008 require mainframe firmware revision 2.33 or greater 2008.09.23
34946A Information Only 34946A-01 New Keysight Color 2020.02.14
34946A Information Only 34946A-02 New Orbital Sanded Covers for 34980A modules 2022.06.27
34947A Information Only 34947A-01 New Keysight Color 2020.02.14
34947A Information Only 34947A-02 New Orbital Sanded Covers for 34980A modules 2022.06.27
34950A Information Only 34950A-01 New Keysight Color 2020.02.14
34950A Information Only 34950A-02 New Orbital Sanded Covers for 34980A modules 2022.06.27
34951A Information Only 34951A-01 Certificates of Calibration Have Missing Information for the Calibration Equipments Used 2009.09.01
34951A Modification Recommended 34951A-02 Relay contact contamination causes variation in performance. 2013.06.06
34951A Information Only 34951A-03 New Keysight Color 2020.02.14
34951A Information Only 34951A-04 New Orbital Sanded Covers for 34980A modules 2022.06.27
34952A Modification Recommended 34952A-01 Configured digital input channels are unable to read values correctly from digital output channels 2019.08.13
34952A Information Only 34952A-02 New Keysight Color 2020.02.14
34952A Information Only 34952A-03 New Orbital Sanded Covers for 34980A modules 2022.06.27
34959A Information Only 34959A-01 New Orbital Sanded Covers for 34980A modules 2022.06.27
34959A Modification Recommended 34959A-02 Failure on 34959A Digital I/O Function. 2022.09.26
34970A Modification Recommended 34970A-01 Numeric errors associated with the scaling function 1998.03.01
34970A Modification Recommended 34970A-02B 34970A Intermittently Fails to Power On 2001.10.31
34970A Modification Recommended 34970A-03 34970A's real-time system clock changes by one hour 1998.11.10
34970A Information Only 34970A-06A Vent holes added to the 34970A cover to improve the 34970A temperature profile. 2007.05.10
34970A Modification Recommended 34970A-07 Incorrect temp measurements during read/write 2001.02.07
34970A Modification Recommended 34970A-08A Incorrect wiring in RS232 Cable (shipped with 34970A). 2002.03.13
34970A Safety 34970A-09B-S AC power connector can be damaged which creates a shock hazard. 2013.06.04
34970A Modification Recommended 34970A-10 34970A Powered by 50 Hz Line Frequency Incorrectly Measures Resistance 2003.06.01
34970A Modification Recommended 34970A-11 Firmware Update: Ohms current source output during other functions 2003.06.12
34970A Information Only 34970A-12 New Relay Verification Procedures 2003.06.18
34970A Modification Recommended 34970A-13 10 MegOhm and 100 MegOhm ranges drift out of specification due to the Ohm's current source reference resistor. This resistor may change in value with time. 2003.10.05
34970A Modification Recommended 34970A-14C Intermittent errors in less than 1% of 34970A’s. 2010.11.19
34970A Modification Recommended 34970A-15 10 MΩ and 100 MΩ Ranges Drift Out of Specification 2011.05.31
34970A Information Only 34970A-16 Cooling fan must match the cover type. If a new cover with ventilation holes is used, cooling fan assembly must be part number 34970-68511 2013.03.29
34970A Modification Recommended 34970A-18 AC Volts and AC Current accuracy may drift out of specification before first calibration 2014.06.22
34972A Modification Recommended 34972A-01 10 MΩ and 100 MΩ Ranges Drift Out of Specification 2011.05.31
34972A Modification Recommended 34972A-02 AC Volts and AC Current accuracy may drift out of specification before first calibration 2014.06.22
34972A Information Only 34972A-05 Color change from green to gray knob for 34972A 2017.08.01
34972A Modification Recommended 34972A-06B Device USB communication may experience data or connection loss 2019.05.07
34972A Modification Recommended 34972A-08 1 V/ 100 kHz Frequency Gain Verification test point failed to meet the specification. 2019.08.28
34980A Modification Recommended 34980A-01 The GPIB connector may have been installed using an incorrect size threaded standoff nut. 2005.06.06
34980A Information Only 34980A-02 Plug-in modules purchased after June 1, 2008 require 34980A mainframe firmware revision 2.33 or greater 2008.06.16
34980A Modification Recommended 34980A-03 Intermittently 34980A units would not recognize the DMM anymore showing DMM revision to be 0.00 2009.11.18
34980A Information Only 34980A-04 All Performance Verification measurements are to be made using the analog bus backplane connector on the back left side of the rear panel. The existing note 2 states the correction factor for 2 wire ohms measurements made through multiplexer modules. Corrections for these measurements are found in the DMM accuracy specifications and in the multiplexer module specifications. 2010.09.13
34980A Modification Recommended 34980A-05 Instrument cannot operate in 400 Hz 2015.07.01
34980A Modification Recommended 34980A-06 Devices found to have duplicate MAC addresses can cause an IP conflict when connected on the same local network. 2019.03.10
34980A Information Only 34980A-07 New Keysight Color 2020.02.14
34980A Information Only 34980A-08 Removal of screwdriver as a standard shipped accessory 2022.11.02
35652A Modification Recommended 35652A-01 Mod improves reliability of microdot connector 1994.02.10
35652B Modification Recommended 35652B-01 Mod improves reliability of microdot connector 1994.02.10
35670A Modification Recommended 35670A-01 Mod fixes sticking power supply switch 1993.11.11
35670A Information Only 35670A-02 35670A is incompatible with new C1405B Vectra keyboard 1993.11.12
35670A Modification Available 35670A-03 Firmware upgrade provides new features and fixes defects 1994.11.03
35670A Information Only 35670A-04A Recommended replacement floppy drive, ribbon cable and dust cover 2000.11.03
35670A Information Only 35670A-05 Replacement Lithium Battery 1999.02.18
35670A Information Only 35670A-06 Power-up Halt ""Booting from disk"" 1999.02.18
35670A Modification Recommended 35670A-07 Catalog of disk remains displayed after disk is ejected 1999.04.05
37212B Modification Available 37212B-02C Recommended firmware upgrade improves performance 1992.03.31
37701A Modification Available 37701A-02 Additional features can be retrofitted to older instruments 1992.03.31
37701A Modification Available 37701A-03 Pulse Shape measurement capability (Opt. 001) can be retrofitted 1992.03.31
37701A Modification Recommended 37701A-04 Mod corrects automatic gain control problem on A6 assembly 1993.12.31
37701A Modification Recommended 37701A-05 New improved battery holder makes NVM battery repl easy 1993.12.31
37701A Modification Recommended 37701A-06 New firmware fixes fatal error 421 when printing Datacom Graph 1993.12.31
37701A Modification Recommended 37701A-07 Incorrect TERM level measurement on A1 Measurement Assembly 1994.08.04
37701A Information Only 37701A-08 Recommended replacement assemblies 1995.07.28
37701A Information Only 37701A-09 Display flicker not a fault when in graph storage mode 1996.11.22
37701B Modification Recommended 37701B-01 New F/W corrects error in FULL-T1 mode & Fractional-T1 mode 1994.08.04
37702A Modification Recommended 37702A-01 Incorrect TERM level measurement on A1 Measurement Assembly 1994.08.04
37702A Modification Recommended 37702A-02 New F/W corrects error in FULL-T1 mode & Fractional-T1 mode 1994.08.04
37702A Information Only 37702A-03 Display flicker not a fault when in graph storage mode 1996.11.22
37704A Information Only 37704A-01 Instructions to retrofit Opt 001 to a standard instrument 1993.06.01
37704A Modification Recommended 37704A-02 Power supply modification improves performance 1995.05.11
37704A Information Only 37704A-03 Display flicker not a fault when in graph storage mode 1996.11.22
37711A Modification Available 37711A-02 Additional features can be retrofitted to older instruments 1992.03.31
37711A Modification Available 37711A-03 Pulse Shape measurement capability (Opt. 001) will be retrofitted 1992.03.31
37711A Modification Recommended 37711A-04 Mod corrects automatic gain control problem on A6 assembly 1993.12.31
37711A Modification Recommended 37711A-05 New improved battery holder makes NVM battery repl easy 1993.12.31
37711A Modification Recommended 37711A-06 New firmware fixes fatal error 421 when printing Datacom Graph 1993.12.31
37711A Modification Recommended 37711A-07 Incorrect TERM level measurement on A1 Measurement Assembly 1994.08.04
37718A Modification Recommended 37718A-07 Optical power warning label 2002.06.25
37719A Modification Recommended 37719A-06 Optical power warning label 2002.06.25
37719B Information Only 37718-01 Option 350 will be replaced by option 355 in 37718A units once new firmware (A.06.69) is fitted. Option 355 will replace 350 in all new production units and retrofitted units 2006.02.26
37719C Information Only 37718-01 Option 350 will be replaced by option 355 in 37718A units once new firmware (A.06.69) is fitted. Option 355 will replace 350 in all new production units and retrofitted units 2002.02.26
37730A Information Only 37730A-01 New features of Revision 3.4 1994.01.01
37732A Information Only 37732A-06 Display flicker not a fault when in graph storage mode 1996.11.22
37732A Information Only 37732A-07 Retrofit instructions for the datacom lid 2001.01.08
37741A Information Only 37741A-01 Installation of HP 15850A Opt H03 1993.06.01
37743A Modification Recommended 37743A-01A Mod corrects incorrectly loaded capacitor on transmitter board 1993.12.31
37907A Modification Recommended 37907A-01 Compatability problem with PCI Bridge chip on original DASS card 2000.01.17
37907A Modification Recommended 37907A-02 Sometimes the Interface Modules do not reset properly 2000.01.17
37907A Modification Available 37907A-03 Voice decoding does not switch properly between A/u-Law on Handset 2000.01.17
37907A Modification Available 37907A-04 A Common Mode Oscillation exists on the Handset port 2000.01.17
37907A Modification Available 37907A-05B Upgrading 133M Win95 to 300M Win98 2001.08.22
37907A Modification Available 37907A-06 Upgrading 133M Win95 to 300M Win98 2001.08.22
37907A Modification Available 37907A-07 Upgrading SW to Chinese Win98 2001.08.22
37907A Modification Available 37907A-09 Upgrading data acquisition bandwidth 2001.08.22
37915A Modification Available 37915A-01B Operational Defects at Level 2 of SS7 Protocol 1999.02.17
37916A Modification Available 37916A-01A Operational Defects at Level 2 of SS7 Protocol 1999.02.17
37918A Modification Available 37918A-01A Operational Defects at Level 2 of SS7 Protocol 1999.02.17
41421B Modification Recommended 41421B-01 41421B voltage force mode may be noisy 2000.11.07
41501A Modification Recommended 41501A-01 New power supply prevents shut-down failures 1994.10.10
41501A Information Only 41501A-02 Protective cover for the 41501A Expander's Interface Card 1996.11.22
41501A Modification Recommended 41501A-03A Power Supl Replcmnt to Prevent Shutdown/Reboot Problem 2000.01.17
41501B Modification Recommended 41501B-01 Main power switch is stuck 2000.10.25
41800A Modification Recommended 41800A-03 Recommended replacement nose assembly for probe pin 1994.11.03
41800A Information Only 41800A-04A This service note provides the updated part numbers and figures for both RoHS and non-RoHS 41800A Active Probe 2014.09.03
42030A Information Only 42030A-01 Support/Repair Handling for 42030A 2020.04.02
42090A Information Only 42090A-01A This service note provides the updated part numbers and figures for both RoHS and non- RoHS 42090A Open Termination. 2014.08.08
42091A Information Only 42091A-01A This service note provides the updated part numbers and figures for both RoHS and non- RoHS 42091A Short Termination. 2014.08.08
42841A Modification Recommended 42841A-03 Mod. to prevent incorrect shut down caused by thermal switch error 1992.10.31
42841A Modification Recommended 42841A-04B Mod prevents bias current source fuses from blowing 1995.01.11
42841A Information Only 42841A-05 Part number for F2/F3/F4/F5 Fuse on A4 Digital Control board 2013.04.19
42941A Information Only 42941A-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 42941A Impedance Probe Kit, 40 Hz to 110 MHz 2013.04.18
42942A Information Only 42942A-01 This service note provides the updated part numbers and figures for both RoHS and non-RoHS 42942A Terminal Adapter, 40 Hz to 110 MHz 2013.04.19
43521A Priority Safety 43521A-01-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
44470A Modification Recommended 44470A-01A Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. 2008.04.27
44471A Modification Recommended 44471A-01A Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. 2008.04.27
44473A Modification Recommended 44473A-01A Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. 2008.04.27
44474A Modification Recommended 44474A-01A Defective connectors shipped with 44470A, 44471A, 44473A, 44474A The 44470A, 44471A, 44473A, and 44474A contain a main relay card and a removable screw terminal block (see Figure 1). Some of the removable terminal blocks that were shipped between 1-Jan-2008 and 08-April-2008 have a defective connector that results in half of the pins being unconnected. 2008.04.27
44704A Modification Recommended 44704A-03 Intermittent Extra Readings 1997.06.30
53131A Modification Recommended 53131A-01 Unit powers up in Standby mode. 1996.07.31
53131A Information Only 53131A-02 Notification of operating anomaly 2001.05.03
53131A Modification Available 53131A-03 GPIB hangs when power for instrument is turned on at the same time as PC. 2003.11.06
53131A Information Only 53131A-04A Details on up-grade options-i.e., compatibility with other options, installation requirements, parts required for the up-grade options, etc. 2005.11.11
53131A Information Only 53131A-05 A manufacturing change to the oscillator, part numbers 10811-60160 (option 010) and 10811-60260 (option 012), causes a failure at power-on self test if the newer oscillators are replaced on to time base (A6) boards that have an EDC code less than 4829 on the board. 2009.01.26
53131A Information Only 53131A-06 Bumper feet on Power Supply and beneath Motherboard can deteriorate/break down over time 2009.05.20
53131A Modification Recommended 53131A-07A When signals are applied to both channel 1 and channel 2, and Auto Trigger is used, the channel making the measurement may receive an incorrect trigger. 2010.03.03
53131A Information Only 53131A-08 Behavior of the 53131A/53132A Counter LED trigger indicator and input sensitivity differs from earlier units. 2010.03.09
53131A Information Only 53131A-09 Factory Cal Interval changed from 12 to 24 months effective 01-SEP-2011. 2013.03.11
53132A Modification Recommended 53132A-01 Unit powers up in Standby mode. 1996.07.31
53132A Information Only 53132A-02 Notification of operating anomaly 2001.05.03
53132A Modification Available 53132A-03 GPIB hangs when power for instrument is turned on at the same time as PC 2003.11.06
53132A Information Only 53132A-04A Details on up-grade options-i.e., compatibility with other options, installation requirements, parts required for the up-grade options, etc. 2005.11.11
53132A Information Only 53132A-05 A manufacturing change to the oscillator, part numbers 10811-60160 (option 010) and 10811-60260 (option 012), causes a failure at power-on self test if the newer oscillators are replaced on to time base (A6) boards that have an EDC code less than 4829 on the board. 2009.02.11
53132A Information Only 53132A-06 Bumper feet on Power Supply and beneath Motherboard can deteriorate/break down over time 2009.05.20
53132A Modification Recommended 53132A-07A When signals are applied to both channel 1 and channel 2, and Auto Trigger is used, the channel making the measurement may receive an incorrect trigger. 2010.03.03
53132A Information Only 53132A-08 Behavior of the 53131A/53132A Counter LED trigger indicator and input sensitivity differs from earlier units. 2010.03.09
53132A Information Only 53132A-09 Factory Cal Interval changed from 12 to 24 months effective 01-SEP-2011. 2013.03.11
53147A Information Only 53147A-02 Fuse rating on rear panel changed. 2002.02.27
53147A Information Only 53147A-03 Possible mis-adjustment of internal supply voltage after servicing 2002.08.30
53148A Information Only 53148A-02 Fuse rating on rear panel changed. 2002.02.27
53148A Information Only 53148A-03 Possible mis-adjustment of internal supply voltage after servicing 2002.08.30
53149A Information Only 53149A-02 Fuse rating on rear panel changed. 2002.02.27
53149A Information Only 53149A-03 Possible mis-adjustment of internal supply voltage after servicing 2002.08.30
53150A Information Only 53150A-01 Possible mis-adjustment of internal supply voltage after servicing. 2002.08.30
53151A Information Only 53151A-01 Possible mis-adjustment of internal supply voltage after servicing 2002.08.30
53152A Information Only 53152A-01 Possible mis-adjustment of internal supply volyage after servicing 2002.08.30
53181A Modification Recommended 53181A-01 Unit powers up in Standby mode. 1996.07.31
53181A Modification Available 53181A-02 GPIB hangs when power for instrument is turned on at the same time as PC. 2003.11.06
53181A Information Only 53181A-03B Some up-grades options for the 53181A Counter can be added by customers (experienced technicians). Other up-grade options must be installed by technical specialists at Agilent Service Centers. 2005.11.11
53181A Information Only 53181A-04 A manufacturing change to the oscillator, part numbers 10811-60160 (option 010) and 10811-60260 (option 012), causes a failure at power-on self test if the newer oscillators are replaced on to time base (A6) boards that have an EDC code less than 4829 on the board. 2009.02.11
53181A Information Only 53181A-05 Bumper feet on Power Supply and beneath Motherboard can deteriorate/break down over time 2009.05.20
53181A Information Only 53181A-06 Behavior of the 53181A input sensitivity differs from earlier units. 2010.03.09
53181A Information Only 53181A-07 Factory Cal Interval changed from 12 to 24 months effective 01-SEP-2011. 2013.03.11
53210A Information Only 53210A-01 Changes to 53210A Warm-up Time Prior to Verification and Adjustment. 53210A is adjust-always. 2013.07.31
53220A Modification Recommended 53220A-01A Upgrading Instruments with Firmware Revision 1.05 to 1.08 and Greater 2011.10.04
53220A Information Only 53220A-02 Changes to 53220A Warm-up Time Prior to Verification and Adjustment. 53220A is adjust-always. 2013.07.31
53230A Modification Recommended 53230A-01A Upgrading Instruments with Firmware Revision 1.05 to 1.08 and Greater 2011.10.04
53230A Information Only 53230A-02 Changes to 53230A Warm-up Time Prior to Verification and Adjustment. 53230A is adjust-always. 2013.07.31
53310A Safety 53310A-04A-S Chassis ground wire may detach and contact line voltage. 2004.03.23
54501A Safety 54501A-06-S Defective line filter assembly may cause shock 1996.01.31
54502A Safety 54502A-07-S Defective line filter assembly may cause shock 1996.01.31
54503A Safety 54503A-06-S Defective line filter assembly may cause shock 1996.01.31
54504A Safety 54504A-03-S Defective line filter assembly may cause shock 1996.01.31
54510B Safety 54510B-03-S Defective line filter assembly may cause shock 1996.01.31
54512B Safety 54512B-03-S Defective line filter assembly may cause shock 1996.01.31
54520A Safety 54520A-02-S Defective line filter assembly may cause shock 1996.01.31
54520C Safety 54520C-02-S Defective line filter assembly may cause shock 1996.01.31
54522A Safety 54522A-02-S Defective line filter assembly may cause shock 1996.01.31
54522C Safety 54522C-02-S Defective line filter assembly may cause shock 1996.01.31
54540A Safety 54540A-02-S Defective line filter assembly may cause shock 1996.01.31
54540C Safety 54540C-02-S Defective line filter assembly may cause shock 1996.01.31
54540C Information Only 54540C-04 How to fix lock up during an GPIB activity 2001.01.08
54542A Safety 54542A-02-S Defective line filter assembly may cause shock 1996.01.31
54542C Safety 54542C-02-S Defective line filter assembly may cause shock 1996.01.31
54600A Safety 54600A-07-S Possible shock hazard if cabinet handle is removed. 1992.08.24
54600A Modification Available 54600A-09 Lubrication leaking from behind control knobs 1993.03.31
54601A Safety 54601A-07-S Possible shock hazard if cabinet handle is removed. 1992.08.24
54602B Modification Recommended 54602B-01 Mod replaces defective BNC connector 1994.05.27
54602B Information Only 54602B-03 New attenuator cover design 1996.03.15
54621D Modification Recommended 54621D-02 Can fail threshold accuracy test 2001.12.03
54622A Modification Available 54622A-01 Tilt adjustment instructions after hemisphere transshipping 2001.07.16
54622D Modification Available 54622D-01 Tilt adjustment instructions after hemisphere transshipping 2001.07.16
54622D Modification Recommended 54622D-02 Can fail threshold accuracy test 2001.12.03
54622D Modification Recommended 54622D-04 Modification recommended. Supersedes Recall Service Note. 2002.04.24
54624A Modification Available 54624A-01 Tilt adjustment instructions after hemisphere transshipping 2001.07.16
54641A Modification Recommended 54641A-01 The 54641A product should have the power supply replaced, if the cooling fan becomes non-operational. 2002.05.08
54641A Modification Recommended 54641A-04 Correcting environmentally caused trace tilt 2004.11.21
54641D Modification Recommended 54641D-01 The 54641D product should have the power supply replaced, if the cooling fan becomes non-operational. 2002.05.08
54641D Modification Recommended 54641D-04 Correcting environmentally caused trace tilt 2004.11.21
54642A Modification Recommended 54642A-01 The 54642A product should have the power supply replaced, if the cooling fan becomes non-operational. 2002.05.08
54642A Modification Recommended 54642A-04 Correcting environmentally caused trace tilt 2004.11.21
54642D Modification Recommended 54642D-01 The 54642D product should have the power supply replaced, if the cooling fan becomes non-operational. 2002.05.08
54642D Modification Recommended 54642D-04 Correcting environmentally caused trace tilt 2004.11.21
54754A Information Only 54754A-01 TDR system specification change 1996.03.15
54754A Information Only 54754A-02 TDR module fails 2001.06.06
54754A Modification Available 54754A-03 Add ESD shutter protection to electrical inputs on module. 2004.09.27
54754A Modification Recommended 54754A-04 TDR Module fails Vertical CAL, 2004.10.03
54754A Information Only 54754A-05 Troubleshooting module cal failures 2005.12.22
54754A Information Only 54754A-06A Reverting to original A2A6/A2A7 Step Generators after switching to new design. 2007.12.12
54754A Information Only 54754A-07A Reduce ESD/EOS damage on TDR modules using proper ESD protection techniques and Keysight N9355CK01 DC Coupled Limiters. 2016.12.16
54810A Modification Recommended 54810A-07B Correct intermittent lockups caused by the motherboard. 2005.02.16
54815A Modification Recommended 54815A-07B Correct intermittent lockups caused by the motherboard. 2005.02.10
54820A Modification Recommended 54820A-07B Correct intermittent lockups caused by the motherboard. 2005.02.10
54825A Information Only 54825A-01B Replacing Older A4 AMI PC Motherboard Requires Extra Parts 2002.08.27
54825A Modification Recommended 54825A-02 Improved Side-Handle Mounting Screw Recommended 1998-07
54825A Modification Recommended 54825A-04 Adding LAN to the Infiniium 1998-08
54825A Information Only 54825A-05 Model 54810A Infinium Oscilloscopes 1998-09
54825A Modification Recommended 54825A-06 Upgrade Infinium Oscilloscopes With 64 MB RAM For Improved Performance and Reliability 1999-03
54825A Modification Recommended 54825A-07A Correct Intermittent Lockups Caused By the Motherboard etc 2000-07
54825A Modification Recommended 54825A-07B Correct intermittent lockups caused by the motherboard. 2005.02.10
54825A Modification Available 54825A-08 Infiniium Oscilloscope Performance Upgrade E2633A obsoleted and replaced with upgrade kits 2001-05
54825A Information Only 54825A-09 54825A Infiniium Oscilloscopes – 2Gsa/s, 4 Ch, 500MHZ 2002.05.20
54830B Modification Available 54830B-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54830B Information Only 54830B-11 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54830D Modification Available 54830D-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54830D Information Only 54830D-11 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54831B Information Only 54831-03 Error’s in service manual 54830-97001 2002.02.26
54831B Modification Available 54831B-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54831B Information Only 54831B-10 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54831D Modification Available 54831D-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54831D Information Only 54831D-10 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54832B Information Only 54832-03 Errors in service manual 54830-97001. 2002.02.26
54832B Modification Available 54832B-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54832B Information Only 54832B-10 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54832D Modification Available 54832D-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54832D Information Only 54832D-10 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54833A Modification Available 54833A-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54833A Information Only 54833A-11 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54833D Modification Available 54833D-08A Screws on acquisition board may become loose during shipment. 2009.03.24
54833D Information Only 54833D-11 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54835A Modification Recommended 54835A-07B Correct intermittent lockups caused by the motherboard. 2005.02.10
54845A Information Only 54845A-01A Replacing Older A4 PC Motherboard Requires Extra Parts 1999-01
54845A Modification Recommended 54845A-02 Improved Side-Handle Mounting Screw Recommended 1998-07
54845A Modification Recommended 54845A-03 Install Spacers to Protect A/D Hybrids From Damage 1998-05
54845A Modification Recommended 54845A-04 Adding LAN to the Infiniium 1998-08
54845A Information Only 54845A-05 Active probe calibration not working correctly in code rev. A.02.02 1998-09
54845A Modification Recommended 54845A-06 Upgrade Infinium Oscilloscopes With 64 MB RAM For Improved Performance and Reliability 1999-03
54845A Modification Recommended 54845A-07A Correct Intermittent Lockups Caused By the Motherboard etc 2000-07
54845A Modification Recommended 54845A-07B Correct intermittent lockups caused by the motherboard. 2005.02.10
54845A Modification Available 54845A-08 Infiniium Oscilloscope Performance Upgrade E2633A obsoleted and replaced with upgrade kits 2001-05
54845A Information Only 54845A-09 54845A Infiniium Oscilloscope 1.5 GHz,4ch, 4-8 Gsa/s. Infiniium Units that are shipped with Acquisition board number 54845-66538 will have problems storing the calibration cal-factors with system firmware A.04.30. Units will pass User Self-calibration, but if the unit’s power is cycled the cal-factors will not be saved, and the unit will be un-calibrated. 2002.04.25
54845A Information Only 54845A-10A This Service note is providing instructions for an alternate repair strategy for 54845A Infiniium Scope, when the A13 54845-69527 Exchange board is not available. 2002.07.30
54845A Information Only 54845A-11 This Service note is providing performance verification instructions to Service Centers repairing Infiniium Oscilloscopes. 2002.05.20
54845A Information Only 54845A-12A This Service note is communicating a possible repair strategy for instruments failing Trigger Self-Calibration. 2002.09.05
54852A Information Only 54852A-02 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54853A Information Only 54853A-06 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54854A Information Only 54854A-06 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
54855A Information Only 54855A-06 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
59301A Information Only 59301A-2 HP-IB VERIFICATION PROGRAM USING THE 9825A 1977-02
64145A Modification Recommended 64145A-01 New ROM firmware fixes incorrect SEB instruction 1992.02.29
66000A Modification Recommended 66000A-01 Unit resets when in serial link mode 1993.02.19
66000A Modification Recommended 66000A-02 New resistor values for ac line input prevents failure 00052000 1993.01.06
66000A Modification Recommended 66000A-03 A1-U1 may short due to overshoots in the bias supply 1995.01.11
66000A Modification Recommended 66000A-04 New F/W improves SRQ performance after a serial poll 1995.02.16
66000A Modification Recommended 66000A-05 Non-functioning trigger In/Out capability when using multiple 6610XA modules 2007.03.21
66000A Modification Recommended 66000A-06A The instrument will not communicate or will not complete self test 2008.10.26
66000A Modification Recommended 66000A-07 The AC INPUT SAFETY COVER has a strain relief used to secure the AC line cord that may become loose. 2009.10.08
66101A Modification Recommended 66101A-01 Modification prevents output connector cover assemblies from cracking 1993.03.31
66101A Modification Recommended 66101A-02 PS may OV when load is removed at high output voltages 1995.02.16
66101A Modification Recommended 66101A-03 Status reported before Delay 1995.12.31
66101A Modification Recommended 66101A-04 New F/W corrects OCP occurring before Output off 1996.03.14
66101A Modification Recommended 66101A-05 New F/W makes List Mode work from the keyboard 1996.03.14
66101A Modification Recommended 66101A-06 Turnoff voltage overshoot 1998.03.01
66101A Modification Recommended 66101A-07A Leaky A2 bias supply capactiors C401 & C405 2002.07.15
66101A Modification Available 66101A-08A The instrument will not communicate or will not complete self test 2008.10.26
66101A Modification Recommended 66101A-09A The Instrumment will not communicate or will not complete self test 2008.10.29
66102A Modification Recommended 66102A-01 Modification prevents output connector cover assemblies from cracking 1993.03.31
66102A Modification Recommended 66102A-02 Status reported before Delay 1995.12.31
66102A Modification Recommended 66102A-03 OCP may occur during Output Off 1995.12.31
66102A Modification Recommended 66102A-04 List Mode does not work from keyboard 1995.12.31
66102A Modification Recommended 66102A-05 Turnoff voltage overshoot 1998.03.01
66102A Modification Recommended 66102A-06A Leaky A2 Bias Supply Capacitors C401 & C405 2002.07.16
66102A Modification Available 66102A-07A The Instrumment will not communicate or will not complete self test 2008.10.26
66102A Modification Recommended 66102A-08A The Instrumment will not communicate or will not complete self test 2008.10.29
66103A Modification Recommended 66103A-01 Modification prevents output connector cover assemblies from cracking 1993.03.31
66103A Modification Recommended 66103A-02 Status reported before Delay 1995.12.31
66103A Modification Recommended 66103A-03 OCP may occur during Output Off 1995.12.31
66103A Modification Recommended 66103A-04 List Mode does not work from keyboard 1995.12.31
66103A Modification Recommended 66103A-05 Turnoff voltage overshoot 1998.03.01
66103A Modification Recommended 66103A-06A Leaky A2 Bias Supply Capacitors C401 & C405 2002.07.16
66103A Modification Available 66103A-07A The Instrumment will not communicate or will not complete self test 2008.10.26
66103A Modification Recommended 66103A-08A The Instrumment will not communicate or will not complete self test 2008.10.29
66104A Modification Recommended 66104A-01 Modification prevents output connector cover assemblies from cracking 1993.03.31
66104A Modification Recommended 66104A-02 Modification prevents output oscillation in 2 to 3 kHz range 1993.03.31
66104A Modification Recommended 66104A-03 Status reported before Delay 1995.12.31
66104A Modification Recommended 66104A-04 OCP may occur during Output Off 1995.12.31
66104A Modification Recommended 66104A-05 List Mode does not work from keyboard 1995.12.31
66104A Modification Recommended 66104A-06 Turnoff voltage overshoot 1998.03.01
66104A Modification Recommended 66104A-07A Leaky A2 Bias Supply Capacitors C401 & C405 2002.07.16
66104A Modification Available 66104A-08A The Instrumment will not communicate or will not complete self test 2008.10.26
66104A Modification Recommended 66104A-09A The Instrumment will not communicate or will not complete self test 2008.10.29
66105A Modification Recommended 66105A-01 Modification prevents output connector cover assemblies from cracking 1993.03.31
66105A Modification Recommended 66105A-02 Supply may oscillate below 15 volts 1995.01.11
66105A Modification Recommended 66105A-03 Status reported before Delay 1995.12.31
66105A Modification Recommended 66105A-04 OCP may occur during Output Off 1995.12.31
66105A Modification Recommended 66105A-05 List Mode does not work from keyboard 1995.12.31
66105A Modification Recommended 66105A-06 Turnoff voltage overshoot 1998.03.01
66105A Modification Recommended 66105A-07A Leaky A2 Bias Supply Capacitors C401 & C405 2002.07.16
66105A Modification Available 66105A-08A The Instrumment will not communicate or will not complete self test 2008.10.26
66105A Modification Recommended 66105A-09A The Instrumment will not communicate or will not complete self test 2008.10.29
66106A Modification Recommended 66106A-01 Modification prevents output connector cover assemblies from cracking 1993.03.31
66106A Modification Recommended 66106A-02 Status reported before Delay 1995.12.31
66106A Modification Recommended 66106A-03 OCP may occur during Output Off 1995.12.31
66106A Modification Recommended 66106A-04 List Mode does not work from keyboard 1995.12.31
66106A Modification Recommended 66106A-05 Turnoff voltage overshoot 1998.03.01
66106A Modification Recommended 66106A-06A Leaky A2 Bias Supply Capacitors C401 & C405 2002.07.16
66106A Modification Available 66106A-07A The Instrumment will not communicate or will not complete self test 2008.10.27
66106A Modification Recommended 66106A-08A The Instrumment will not communicate or will not complete self test 2008.10.29
66111A Information Only 66111A-03 Unit Exchange Program 2004.03.17
66309B Information Only 66309B-01 Current Calibration 1999.11.29
66309B Information Only 66309B-02A Current programming accuracy at zero amps 2001.02.08
66309B Modification Recommended 66309B-03B Unit Exchange Program 2001.01.31
66309B Information Only 66309B-04 Low Range Current Measurement is out of Spec 2002.10.17
66309B Modification Available 66309B-05 Reliability Inprovement, GPIB/RS232 Interface 2003.08.03
66309B Modification Recommended 66309B-06 Unit Exchange Program 2004.03.17
66309B Modification Recommended 66309B-07 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66309B Modification Recommended 66309B-08A The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. 2015.12.15
66309B Modification Recommended 66309B-09 Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. 2012.06.17
66309B Modification Recommended 66309B-080-01B Unit Exchange Program 2001.01.31
66309B Modification Recommended 66309B-521-02B Unit exchange program 2001.05.22
66309B Modification Available 66309B-521-03 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66309B Modification Recommended 66309B-521-04 Unit Exchange Program 2004.03.16
66309D Information Only 66309D-01 Current Calibration 1999.11.29
66309D Information Only 66309D-02A Current programming accuracy at zero amps 2001.02.08
66309D Modification Recommended 66309D-03B Unit Exchange Program 2001.01.31
66309D Information Only 66309D-04 Low Range Current Measurement is out of Spec 2002.10.17
66309D Modification Recommended 66309D-05 Unit Exchange Program 2004.03.17
66309D Modification Recommended 66309D-06 On faster computers, when programming over GPIB, a random error will occur. 2005.09.29
66309D Modification Recommended 66309D-07A The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. 2015.12.15
66309D Modification Recommended 66309D-08 Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. 2012.06.18
66309D Modification Recommended 66309D-080-01B Unit Exchange Program 2001.01.31
66309D Modification Recommended 66309D-521-02B Unit Exchange Program 2001.01.31
66309D Modification Available 66309D-521-03 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66309D Modification Recommended 66309D-521-04 Unit Exchange Program 2004.03.17
66311A Information Only 66311A-04 Unit Exchange Program 2004.03.18
66311B Information Only 66311B-01 Current Calibration 1999.11.29
66311B Information Only 66311B-02A Current programming accuracy at zero amps 2001.02.08
66311B Modification Recommended 66311B-03B Unit Exchange Program 2001.01.31
66311B Information Only 66311B-04 Low Range Current Measurement is out of Spec 2002.10.17
66311B Modification Available 66311B-05 Reliability Improvement GPIB/RS232 Interface 2003.08.04
66311B Modification Recommended 66311B-06 Unit Exchange Program 2004.03.17
66311B Modification Recommended 66311B-07 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66311B Modification Recommended 66311B-08A The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. 2015.12.15
66311B Modification Recommended 66311B-09 Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. 2012.06.17
66311B Modification Recommended 66311B-080-01B Unit Exchange Program 2001.01.31
66311B Modification Recommended 66311B-J02-03B Unit Exchange Program 2001.01.31
66311B Modification Recommended 66311B-J02-04 Unit Exchange Program 2004.03.17
66311D Modification Recommended 66311D-03B Unit Exchange Program 2001.01.31
66311D Modification Recommended 66311D-06 Unit Exchange Program 2004.03.17
66311D Modification Recommended 66311D-07 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66311D Modification Recommended 66311D-080-01B Unit exchange program 2001.05.22
66312A Modification Recommended 66312A-06B Unit Exchange Program 2001.01.31
66312A Safety 66312A-07 POSSIBLE “SHOCK” HAZARD 2002.02.18
66312A Information Only 66312A-09 Unit Exchange Program 2004.03.19
66312A Modification Recommended 66312A-10 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66312A Modification Recommended 66312A-080-01A Unit exchange program 2001.05.22
66312A Modification Recommended 66312A-080-01B Unit Exchange Program 2001.01.31
66312A Modification Recommended 66312A-J01-01 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Modification Recommended 66312A-J02-01 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Modification Recommended 66312A-J02-02 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Information Only 66312A-J02-03 Unit Exchange Program 2004.03.18
66312A Modification Recommended 66312A-J03-01 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Information Only 66312A-J03-03 Unit Exchange Program 2004.03.18
66312A Modification Recommended 66312A-J04-01 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Modification Recommended 66312A-J04-02 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Information Only 66312A-J04-03 Unit Exchange Program 2004.03.18
66312A Modification Recommended 66312A-J04-03B Unit Exchange Program 2001.01.31
66312A Modification Recommended 66312A-J05-01 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Modification Recommended 66312A-J05-02 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Modification Recommended 66312A-J08-01 MODIFICATION TO IMPROVE PERFORMANCE 2001.10.31
66312A Modification Recommended 66312A-J08-03B Unit exchange program 2001.05.22
66312A Information Only 66312A-J08-04 Unit Exchange Program 2004.03.19
66319B Modification Recommended 66319B-01B Unit Exchange Program 2001.01.31
66319B Modification Recommended 66319B-02 Fetch: Current? Error 603 2001.05.29
66319B Information Only 66319B-03 Low Range Current Measurement is out of Spec. 2002.10.17
66319B Information Only 66319B-04 Replacing R-431 0.05 OHm Current Shunt 2002.11.20
66319B Modification Available 66319B-05 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66319B Modification Recommended 66319B-06 Unit Exchange Program 2004.03.18
66319B Modification Recommended 66319B-07 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66319B Modification Recommended 66319B-08A The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. 2015.12.15
66319B Modification Recommended 66319B-09 Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. 2012.06.17
66319B Modification Recommended 66319B-10 The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide 2012.09.12
66319B Modification Available 66319B-521-01 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66319B Modification Recommended 66319B-521-02 Unit Exchange Program 2004.03.18
66319D Modification Recommended 66319D-01B Unit Exchange Program 2001.01.31
66319D Modification Recommended 66319D-02 Fetch: Current? Error 604 2001.05.29
66319D Information Only 66319D-03 Low Range Current Measurement is out of Spec. 2002.10.15
66319D Information Only 66319D-04 Replacing R-431 0.05 Ohm Current Shunt 2002.11.20
66319D Modification Available 66319D-05 Reliability Improvement. GPIB/RS232 Interface 2003.08.04
66319D Modification Recommended 66319D-06 Unit Exchange Program 2004.03.18
66319D Modification Recommended 66319D-07 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66319D Modification Recommended 66319D-08A The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. 2015.12.15
66319D Modification Recommended 66319D-09 Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. 2012.06.17
66319D Modification Recommended 66319D-10 The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide 2012.09.12
66319D Modification Available 66319D-521-01 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66319D Modification Recommended 66319D-521-02 Unit Exchange Program 2004.03.18
66321B Modification Recommended 66321B-01B Unit Exchange Program 2001.01.31
66321B Modification Recommended 66321B-02 Fetch: Current? Error 605 2001.05.29
66321B Information Only 66321B-03 Low Range Current Measurement is out of Spec. 2002.10.15
66321B Information Only 66321B-04 Replacing R-431 0.05 Ohm Current Shunt 2002.11.20
66321B Modification Available 66321B-05 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66321B Modification Recommended 66321B-06 Unit Exchange Program 2004.03.18
66321B Modification Recommended 66321B-07 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66321B Modification Recommended 66321B-08 The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. 2015.12.15
66321B Modification Recommended 66321B-09 Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. 2012.06.17
66321B Modification Recommended 66321B-10 The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide 2012.09.12
66321B Modification Available 66321B-521-01 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66321D Modification Recommended 66321D-01B Unit Exchange Program 2001.01.31
66321D Modification Recommended 66321D-02 Fetch: Current? Error 606 2001.05.29
66321D Information Only 66321D-03 Low Range Current Measurement is out of Spec. 2002.10.15
66321D Information Only 66321D-04 Replacing R-431 0.05 Ohm Current Shunt 2002.11.20
66321D Modification Available 66321D-05 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66321D Modification Recommended 66321D-06 Unit Exchange Program 2004.03.18
66321D Modification Recommended 66321D-07 On faster computers, when programming over GPIB, a random error will occur. 2005.09.28
66321D Modification Recommended 66321D-08A The unit can exhibit power-on self-test errors, auto reboot, blank display, no output, and communication errors. 2015.12.15
66321D Modification Recommended 66321D-09 Power-On Self test Errors, Auto reboot, Blank display. No output Communication errors. No communication when using the GPIB Interface. 2012.06.17
66321D Modification Recommended 66321D-10 The current versions of test software for the 66319B, 66319D, 66321B & 66321D do not contain a test of the Current Sink as specified in the Performance, Calibration, and Configuration section” of the User’s Guide 2012.09.12
66321D Modification Available 66321D-521-01 Reliability Improvement, GPIB/RS232 Interface 2003.08.04
66332A Modification Recommended 66332A-01 Low range current readback out of specifications 1998.03.01
66332A Modification Recommended 66332A-02A RS232/HP-IB Firmware Hang-ups 1999.08.09
66332A Modification Recommended 66332A-03A Blank Front Panel Display,Unit Dead 1999.08.09
66332A Information Only 66332A-04 Current Calibration 1999.11.29
66332A Information Only 66332A-05A Current programming accuracy at zero amps 2001.02.08
66332A Modification Recommended 66332A-06B Unit Exchange Program 2001.01.31
66332A Information Only 66332A-07 Low Range Current Measurement is Out of Spec 2002.10.17
66332A Information Only 66332A-08 Unit Exchange Program 2004.03.22
66332A Modification Recommended 66332A-09 On faster computers, when programming over GPIB, a random error will occur. 2005.09.29
66332A Modification Recommended 66332A-10 There is a possible glitch on the output due to an AC Line sag between 23 VAC to 27 VAC. 2011.01.10
66332A Modification Recommended 66332A-020-01B Unit exchange program 2001.05.22
66332A Information Only 66332A-020-02 Unit Exchange Program 2004.03.22
66332A Modification Recommended 66332A-760-01B Unit exchange program 2001.05.22
66332A Information Only 66332A-760-02 Unit Exchange Program 2004.03.22
70001A Safety 70001A-20-S Possible fire hazard- faulty capacitors 1995.09.30
70004A Information Only 70004A-03A Replacement of keypad keys or retainer spring 1991.12.03
70004A Information Only 70004A-07A Troubleshooting Guide for disk/memory card addressing 1992.03.18
70004A Safety 70004A-08-S Right Side Strap Handle does Not Meet Safety Standards 1992.06.24
70004A Information Only 70004A-13 Reset Programmable Array Logic (PAL) integrated circuit 1994.01.19
70004A Information Only 70004A-14 Modification to prevent Modular System Interface Bus (MSIB) Lockup 1995-07
70004A Safety 70004A-15-S Possible fire hazard- faulty capacitors 1995.09.30
70100A Modification Recommended 70100A-01 Mod to eliminate loose reference oscillator N-type connectors 1997.02.10
70100A Modification Recommended 70100A-03 Modification to eliminate loose battery connections 2001.01.07
70310A Modification Recommended 70310A-05 Modification reduces 6 MHz emissions by approximately 6 dB 1993.12.31
70611A Information Only 70611A-01 Controller board fuse replacement 1992.07.15
70611A Modification Recommended 70611A-02 Rear panel auxiliary indicator wired incorrectly 1998.10.13
70620B Modification Recommended 70620B-01 Modification eliminates residual responses caused by noisy power supply 1993.02.28
70700A Information Only 70700A-01C Information on new firmware 1994.01.04
70703A Modification Recommended 70703A-01 The field replacement mechanical attenuator fail rate is higher than normal for instruments repaired between March 2003 and March 2006 2006.04.25
70908A Modification Recommended 70908A-21 Module Verification Software Modification 1992.12.08
70908A Modification Recommended 70908A-25 Multiplier Power Out Adjustment 1995.12.31
81000FI Information Only 81000FI-01A Clarification of 81000FI key width issue 2002.08.28
81000NI Information Only 81000NI-01A Clarification of 81000NI key width issue 2002.08.28
81002FF Safety 81002FF-01-S Potential temperature related safety issue 2001.12.10
81101A Modification Available 81101A-02C New firmware 01.12.01/BIOS 1.30 package available 2005.02.16
81101A Information Only 81101A-03 Procedure to replace the display unit 2001.12.10
81101A Modification Available 81101A-04C New firmware 01.12.01/BIOS 1.30 package available 2005.02.16
81101A Information Only 81101A-05 Improved version of option #UN2, (rear panel connectors) 2002.05.28
81101A Modification Recommended 81101A-06B Intermittent Display Failures 2005.05.08
81104A Modification Available 81104A-01C New firmware 01.12.01/BIOS 1.30 package available 2005.02.16
81104A Information Only 81104A-02 Procedure to replace the display unit 2001.11.29
81104A Modification Available 81104A-03C New firmware 01.12.01/BIOS 1.30 package available 2005.02.16
81104A Information Only 81104A-04 Improved version of option #UN2, (rear panel connectors) 2002.05.28
81104A Modification Recommended 81104A-05B Intermittent Display Failures 2005.05.08
81105A Modification Recommended 81105A-01A Distorted output signal when large duty cycle used 1999.11.28
81110A Modification Available 81110A-01C New firmware 01.12.01/BIOS 1.30 package available 2005.02.16
81110A Information Only 81110A-02 Procedure to replace the display unit 2001.11.26
81110A Modification Available 81110A-03C New firmware 01.12.01 /BIOS 1.30 package available 2005.02.16
81110A Information Only 81110A-04 Improved version of option #UN2, (rear panel connectors) 2002.05.28
81110A Modification Recommended 81110A-05B Intermittient Display Failures 2005.05.08
81111A Modification Recommended 81111A-01A Distorted output signal when large duty cycle used 1999.11.28
81130A Modification Available 81130A-01B Keypad locks during manual operation 2003.02.11
81130A Information Only 81130A-02 Procedure to replace the display unit 2001.11.29
81130A Modification Recommended 81130A-03B Intermittient Display Failures 2005.05.08
81130A Information Only 81130A-05 New product option and label sticker on the product 2008.09.15
81133A Modification Recommended 81133A-01A Control Knob does not work properly. Display starts flickering 2011.02.09
81133A Modification Available 81133A-02 81133/34A Firmware Version 2.95 Update available 2011.12.14
81134A Modification Recommended 81134A-01A Control Knob does not work properly. Display starts flickering 2011.02.09
81134A Modification Available 81134A-02 81133/34A Firmware Version 2.95 Update available 2011.12.14
81141A Priority Safety 81141A-01-S Possible Fire Hazard 2007.08.08
81141A Safety 81141A-01A-S POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit 2012.12.11
81142A Safety 81142A-01A-S POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit 2012.12.11
81150A Modification Recommended 81150A-01 Starting in August 2007 wrong SMT fuses were loaded on PCA of the E8305A. 2008.09.16
81150A Information Only 81150A-02 Instrument refuses to boot if the duration of a power fail was less than 3 seconds. The unit shows a black display. 2008.10.06
81150A Information Only 81150A-03 Instrument refuses to boot if a front panel keyboard button is sticking. 2008.10.06
81150A Modification Recommended 81150A-08A Some shipped units have wrong entries in the internal Calibration Table (Calibration data) for three parameters, and could therefore fail Calibration (Performance Verification) in the service center. Please send back to the factory the affected units for recalibration! Do not repair these units! 2010.12.09
81150A Modification Recommended 81150A-11 Potential issue with duplicate MAC address 2022.10.31
81160A Modification Recommended 81160A-02 Potential issue with duplicate MAC address 2022.10.31
81250A Safety 81250A-01-S The power adapters need to be replaced by safety compliant extension cords and country specific power cords 2007.02.07
81250A Safety 81250A-02-S Dell informed Agilent that certain Dell Notebook batteries supplied with ParBERT systems might overheat and potentially catch fire. 2009.03.15
81250A Information Only 81250A-03 Making the Agilent E8491A/B IEEE-1394 Firewire VXI plugin work on Windows 7 2010.11.30
81250A Information Only 81250A-03A Making the Agilent E8491A/B IEEE-1394 Firewire VXI plugin work on Windows 7 2011.04.13
81618A Modification Recommended 81618A-01 Current peaks at turn-on might cause the coil to melt. TEC setting failure. 2002.09.02
81619A Modification Recommended 81619A-01 Current peaks at turn-on might cause the coil to melt. TEC settings failure 2002.09.02
81640A Modification Available 8164A-05 81640A/81680A Power Repeatability in Fast Sweep Mode 2000.06.30
81662A Modification Recommended 81662A-01 Specification were enhanced for DFB lasers, old DFBs need firmware revision >3.0 to keep enhanced specification. 2002.02.25
81663A Modification Recommended 81663A-01 Specification were enhanced for DFB lasers, old DFBs need firmware revision >3.0 to keep enhanced specification. 2002.02.25
81940A Modification Available 81940A-01 Firmware update to fix possible wavelength offset. 2004.11.16
81949A Modification Available 81949A-01 Firmware update to fix possible wavelength offset. 2004.11.22
81980A Modification Available 81980A-01 Firmware update to fix possible wavelength offset. 2004.11.22
81989A Modification Available 81989A-01 Firmware update to fix possible wavelength offset 2004.11.22
83220A Priority Safety 83220A-03-S Incorrect value of line fuse fitted, combined with the failure of acomponent in the power supply secondary rectifier circuits, maycreate a fire hazard. 1999.04.30
83220A Safety 83220A-04-S Possible Shock Hazard, return to Agilent for Electrical safety (hi-pot) test, earth continuity test, and dielectric voltage (flash test) 2000.01.31
83220E Safety 83220E-04-S component in the power supply secondary rectifier circuits, may 2000.01.31
83220E Priority Safety 83220E-03-S Incorrect value of line fuse fitted, combined with the failure of acomponent in the power supply secondary rectifier circuits, maycreate a fire hazard. 1999.04.30
83480A Information Only 83480A-03 Complex Replacement 2005.12.20
83491A Modification Recommended 83491A-01 “Module not recognized” error message 2022.02.05
83620A Information Only 83620A-01 List of calibration constants 2001.01.12
83620A Modification Recommended 83620A-02 Modification to A38 modulators to prevent oscillation 1997.02.10
83620B Modification Recommended 83620B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83621B Modification Recommended 83621B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83622B Modification Recommended 83622B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83623B Modification Recommended 83623B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83623L Modification Recommended 83623L-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83624B Modification Recommended 83624B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83630B Modification Recommended 83630B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83630L Modification Recommended 83630L-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83631B Modification Recommended 83631B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83640A Information Only 836X0A-01 List of calibration constants 1996.11.22
83640A Information Only 836X0B-01 List of calibration constants 1996.11.21
83650L Information Only 836X0L-01 List of calibration constants 1996.11.22
83651A Information Only 836X1A-01 List of calibration constants 1996.11.22
83651A Information Only 836X1B-01 List of calibration constants 1996.11.22
83731B Modification Recommended 83731B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83732B Modification Recommended 83732B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83751A Modification Recommended 83751A-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83751B Modification Recommended 83751B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83752A Modification Recommended 83752A-01 Inspection and replmnt of rubber air dam attached to fan 1996.03.14
83752A Modification Recommended 83752A-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
83752B Modification Recommended 83752B-M71 Tightening torque on p/n 08673-60040 APC 3.5mm(m)to(f) connector 1999.01.31
85024A Information Only 85024A-01 Incorrect instructions for replacement of probe tip on 85024A 2001.01.08
85024A Information Only 85024A-01A Incorrect instructions for replacement of probe tip on 85024A. 2009.04.27
85025A Information Only 85025A-03 Detectors do not req adj as stated in March '88 manual 1993.11.12
85025B Information Only 85025B-02 Detectors do not req adj as stated in March '88 manual 1993.11.12
85025D Modification Available 85025D-01 Connector Repair Kits for the Agilent 85025D and 85025E Detectors (Agilent Kit Part Numbers 85025-60026 and 85025-60027) 2013-12
85025E Information Only 85025E-02 Detectors do not req adj as stated in March '88 manual 1993.11.12
85025E Modification Available 85025E-01 Connector Repair Kits for the Agilent 85025D and 85025E Detectors (Agilent Kit Part Numbers 85025-60026 and 85025-60027) 2013-12
85051B Information Only 85051B-01 Information Concerning Floppy Disks in Verification Kits 2014.03.13
85053B Information Only 85053B-01 Information Concerning Floppy Disks in Verification Kits 2014.03.13
85054B Information Only 85054B-01B This Service Note only highlights the specification changes in the standard calibration process. 2016.03.01
85054D Information Only 85054D-01B This Service Note only highlights the specification changes in the standard calibration process. 2016.03.01
85055A Information Only 85055A-01 Information Concerning Floppy Disks in Verification Kits 2014.03.13
85057B Information Only 85057B-01 Information Concerning Floppy Disks in Verification Kits 2014.03.13
85102B Modification Available 85102B-01 New J1 Molex connector on the old A26 Rectifier Board 1999.08.25
85106C Modification Recommended 85106C-01 Modification increases RF source voltage to improve performance 1992.03.31
85110A Modification Recommended 85110A-01 D.C. Return Upgrade Kit 1995.09.30
85110A Safety 85110A-02A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
85110L Modification Recommended 85110L-01 D.C. Return Upgrade Kit 1995.09.30
85110L Safety 85110L-02A-S Rear panel fan cutout and fan guard allow accessibility of fan blades to an IEC 61010 type test finger. 2007.05.09
85130C Information Only 85130C-01 pin depth specification change for the 85054-60029 and 85054-60030 adapters as per the table below. This change was made to improve the electrical transmission performance and repeatability of the adapter. 2015.10.27
85130D Information Only 85130D-01 pin depth specification change for the 85130-60005 and 85130-60006 adapters as per the table below. This change was made to improve the electrical transmission performance and repeatability of the adapter. 2015.10.27
85130F Information Only 85130F-01 pin depth specification change for the 85130-60010 and 85130-60011 adapters as per the table below. This change was made to improve the electrical transmission performance and repeatability of the adapter 2015.10.27
85130G Information Only 85130G-01 pin depth specification change for the 85130-60015 and 85130-60016 adapters as per the table below. This change was made to improve the electrical transmission performance and repeatability of the adapter. 2015.10.27
85131C Information Only 85131C-01 New Serial Number breaks for RoHS/Non-RoHS cables. 2024.09.24
85131D Information Only 85131D-01 New Serial Number breaks for RoHS/Non-RoHS cables. 2024.09.24
85131G Information Only 85131G-01 New Serial Number breaks for RoHS/Non-RoHS cables. 2024.09.24
85133C Information Only 85133C-01 New Serial Number breaks for RoHS/Non-RoHS cables. 2024.09.24
85133D Information Only 85133D-01 New Serial Number breaks for RoHS/Non-RoHS cables. 2024.09.24
85301B Modification Recommended 85301B-02 Performance Software 1999.10.31
85301C Modification Recommended 85301C-02 Performance Software 1999.10.31
85620A Information Only 85620A-04B Module hangup caused by improper programming 2001.02.13
85620A Information Only 85620A-05 Downloadable programs may not be compat w/earlier modules 1993.12.23
85629B Information Only 85629B-07 Considerations for performing external mixer amplitude adjustment 1992.05.01
85629B Modification Recommended 85629B-08 Modified YTO adjustment 1992.05.31
85650A Modification Recommended 85650A-1 PREVENTING SPECTRUM ANALYZER ATTENUATOR DAMAGE WHEN PERFORMING CONDUCTED EMI MEASUREMENTS 1981-08
85942A Safety 85942A-01-S Possible safety hazard 1995.12.31
85942A Priority Safety 85942A-02-S Lack of instrument earth/ground, combined with possible detachmentof internal line module wires due to manufacturing defect, 1996.05.31
85960B Modification Recommended 85960B-1201 Noise at low end of Sweep 2002.01.10
85961B Modification Recommended 85961B-1201 Noise at low end of Sweep 2002.01.10
85962A Modification Recommended 85962A-1201 Noise at low end of Sweep 2002.01.10
85963A Modification Recommended 85963A-1201 Noise at low end of Sweep 2002.01.10
86030A Modification Recommended 86030A-01 Software upgrade adds remote programming capability to system 2001.11.28
86030A Modification Available 86030A-02 Cleaning the controller fan filter will increase system reliability 2002.05.29
86030A Modification Available 86030A-03 Characterize a customer's verification device, (83440D), following Lightwave Test Set, (86032A), factory repair or calibration 2002.06.23
86100C Modification Recommended 86100C-02 New part number for stainless steel anchor on DCA mainframe. 2004.12.30
86100C Information Only 86100C-03 When installing the A4 PC Motherboard, part number 0960-2568, into an 86100B, the BIOS must be flashed. Depending on the existing CPU version, the A11 GPIB Board Assembly may have to be moved to a new PCI slot. 2006.09.21
86100C Modification Available 86100C-04 Add diode limiter to prevent counter assembly failures 2006.08.29
86100C Information Only 86100C-05 After an A9 Hard Drive or A4 PC Motherboard replacement, the display may be blank. 2007.01.05
86100C Information Only 86100C-06 New A8 Touchscreen Controller Assembly May Require a Replacement Kit; has implications for Hard Drive Replacement 2007.05.01
86100C Information Only 86100C-07 Depending on the serial number of the DCAj or touch screen controller version, a specific part number of the A9 hard disk drive should be ordered. 2007.05.01
86100C Information Only 86100C-09 When replacing the power supply, 0950-3499, in an 86100C that has a Windows Vista License, you must add a label, 7121-8324, to the power supply. 2008.10.01
86100C Modification Recommended 86100C-10B Low Voltage part loaded in 5 V application causes performance to degrade over time. Inspect for low voltage part and replace. 2010.01.26
86100C Information Only 86100C-11 New part number for 86100C chassis fan requires shorter mounting hardware. 2010.01.21
86100C Modification Recommended 86100C-12A Motherboard board mounting modification improves product reliability related to boot up issues. 2010.04.15
86100D Information Only 86100D-08 Choose correct 86100D SSD (Solid State Drive) based on installed CPU and Windows OS eligibility. 2015.10.23
86100D Modification Recommended 86100D-09A DCA-X Mainframe power supply may be prone to early failure under certain conditions. 2017.01.04
86100D Information Only 86100D-10 Older 86100D mainframes have a built in user calibration for the resistive touch screen while newer mainframes use a capacitive touch display which does not require calibration. This may cause confusion when a customer or service engineer attempts to access the user calibration feature and finds the application is not installed. 2017.01.04
86100D Modification Available 86100D-11A An upgrade to Windows 10 is available for all 86100D DCA-X mainframes. Units with older CPU version will also require a CPU upgrade. See text below for determining CPU version. 2020.08.30
86100D Modification Available 86100D-11B An upgrade to Windows 10 is available for all 86100D DCA-X mainframes. Units with older CPU version will also require a CPU upgrade. See text for determining CPU version. 2023.06.01
86100D Information Only 86100D-13A The Argo CPU board, used during repair and upgrade, no longer supports the rear-panel Audio IN, Audio OUT, and Microphone ports 2021.08.03
86101A Information Only 86101A-02 Troubleshooting module cal failures 2005.12.22
86103A Information Only 86103A-02 Troubleshooting module cal failures 2005.12.22
86105B Information Only 86105B-01 Troubleshooting module cal failures 2005.12.22
86105C Information Only 86105C-01 Extinction Ratio (ER) Calibration Factors for the 86105C 2005.01.24
86105C Information Only 86105C-02 Troubleshooting module cal failures 2005.12.22
86105C Modification Available 86105C-03 The 86105C has the ability to store Extinction Ratio Correction Factors (ERCF) to enhance the accuracy of extinction ratio measurements. Agilent Service centers now have the ability to calculate and store custom ERCF values for individual 86105C modules to enhance the accuracy and repeatability of ER measurements. 2009.07.27
86106B Modification Recommended 86106B-01 Memory Error in module 2004.01.28
86107A Modification Recommended 86107A-01 Memory Error in module 2004.01.28
86108B Modification Recommended 86108B-01 Install option JSA on all 86108B modules during regular service. 2019.07.22
86120B Information Only 86120B-01 Cal cycle extended to 2 years 1999.08.10
86120B Information Only 86120B-02 Firmware Revision 2.00 Available 1999.04.06
86120B Information Only 86120B-04 Recommended new DSP board 2001.01.26
86120C Information Only 86120C-04 Recommended new DSP board 2000.12.20
86142B Information Only 86142B-01 Random restart of OSA application when pressing ‘Local’ button twice 2008.05.09
86144B Modification Recommended 86144B-01 Potential servo board failure on 86144B 2003.03.24
86146B Modification Recommended 86146B-01 Potential servo board failures on 86146B 2003.03.24
86146B Information Only 86146B-02 Random restart of OSA application when pressing ‘Local’ button twice 2008.05.09
86290A Information Only 86290A-5 FREQUENCY TRACKING ADJUSTMENT 1982-01
86290B Information Only 86290B-3 FREQUENCY TRACKING ADJUSTMENT 1982-01
86290C Information Only 86290C-2 FREQUENCY TRACKING ADJUSTMENT 1982-01
86790B Modification Recommended 86790B-01 Modification eliminates ground bounce and clock line reflections 1992.09.30
86790B Modification Recommended 86790B-02 Firmware history and upgrade procedures 1993.03.31
86791A Information Only 86791A-01 Service manual update, part number 86791-90004 1993.06.01
86793A Information Only 86793A-01 New table provides correct reference designators during test 3xx 1993.06.01
87104B Information Only 87104B-02A Shorten the TAT of reported units send back to factory for further Failure Analysis 2014.03.04
87106B Information Only 87106B-02A Shorten the TAT of reported units send back to factory for further Failure Analysis 2014.03.04
87405C Information Only 87405C-01 Revised Noise Figure specification for 87405C Preamplifier 2015.11.04
87421A Safety 87421A-01-S A potential shock hazard is present if the rivets fastening the AC power input module cause the plastic case to fracture. 1992.02.20
87511A Information Only 87511A-02 New procedure an software for Effective Source Match Test 2006.09.06
87511B Information Only 87511B-02 New procedure and software for Effective Source Match Test 2006.09.06
87512A Information Only 87512A-01 Repair strategy of enhanced (2 GHz) 87512A/B 1993.03.01
87512B Information Only 87512B-01 Repair strategy of enhanced (2 GHz) 87512A/B 1993.03.01
AE6943A Modification Recommended AE6943A-01 Potential characteristic impedance differential mode (CIDM) measurement failure on AE6943A 2023.07.12
B1500A Modification Recommended B1500A-01 Mouse cursor moves to edge against operator move to another location 2006.05.08
B1500A Modification Recommended B1500A-05 Unexpected noise output from HRSMU/MPSUM on specified condition 2009.03.30
B1500A Information Only B1500A-06 Interlock operation speed is improved when using ASU 2015.02.11
B1500A Modification Available B1500A-07 Keysight B1500A series mainframe upgrade kit is available to migrate from Windows Embedded XP/7 to Windows 10. In addition to the Windows OS upgrade, it renews your mainframe PC platform to the latest configuration. 2019.05.07
B1505A Safety B1505A-01B-S There is a possibility of an electrical shock hazard. 2019.02.12
B1505A Modification Recommended B1505A-02 Cannot recognize the peripheral product; N1268A Ultra High Voltage Expander and when it is connected, the communication error (timeout) occurs. 2018.08.13
B1505A Modification Available B1505A-03 Keysight B1500A series mainframe upgrade kit is available to migrate from Windows Embedded XP/7 to Windows 10. In addition to the Windows OS upgrade, it renews your mainframe PC platform to the latest configuration. 2019.05.07
B1506A Modification Available B1506A-01 Keysight B1500A series mainframe upgrade kit is available to migrate from Windows Embedded XP/7 to Windows 10. In addition to the Windows OS upgrade, it renews your mainframe PC platform to the latest configuration. 2019.05.07
B2901A Modification Recommended B2901A-01 Factory Pre-shipment Adjustment/Calibration Issue 2013.06.20
B2901A Modification Recommended B2901A-02 May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. 2018.09.17
B2901A Modification Recommended B2901A-03 When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. 2020.03.12
B2901B Modification Recommended B2901B-01 The LAN MAC address assigned to B2901B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2901B Modification Recommended B2901B-03 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2901BL Modification Recommended B2901BL-01 The LAN MAC address assigned to B2901BL may have a duplicate with the one assigned to 33502A. 2021.12.01
B2901BL Modification Recommended B2901BL-03 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2902A Modification Recommended B2902A-01 Factory Pre-shipment Adjustment/Calibration Issue 2013.06.20
B2902A Modification Recommended B2902A-02 May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. 2018.09.17
B2902A Modification Recommended B2902A-03 When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. 2020.03.12
B2902B Modification Recommended B2902B-01 The LAN MAC address assigned to B2902B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2902B Modification Recommended B2902B-03 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2910BL Modification Recommended B2910BL-01 The LAN MAC address assigned to B2910BL may have a duplicate with the one assigned to 33502A. 2021.12.01
B2910BL Modification Recommended B2910BL-03 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2911A Modification Recommended B2911A-01 Factory Pre-shipment Adjustment/Calibration Issue 2013.06.20
B2911A Modification Recommended B2911A-02 May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. 2019.09.25
B2911A Modification Recommended B2911A-03 When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. 2020.03.12
B2911B Modification Recommended B2911B-01 The LAN MAC address assigned to B2911B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2911B Modification Recommended B2911B-03 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2912A Modification Recommended B2912A-01 Factory Pre-shipment Adjustment/Calibration Issue 2013.06.20
B2912A Modification Recommended B2912A-02 May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. 2018.09.17
B2912A Modification Recommended B2912A-03 When a repair is made by replacing the SMU board, the maximum sweep point is limited to 2,500 even if it was 100,000 before repair, and the board revision code needs to be changed to have 100,000 sweep points. 2020.03.12
B2912B Modification Recommended B2912B-01 The LAN MAC address assigned to B2912B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2912B Modification Recommended B2912B-03 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2912B Modification Recommended B2912B-04 A PC board sourced from an alternate supplier could potentially enhance tracking capabilities. 2024.05.13
B2961A Modification Recommended B2961A-01 Factory Pre-shipment Adjustment/Calibration Issue 2013.06.20
B2961A Modification Recommended B2961A-02 May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. 2018.09.17
B2961B Modification Recommended B2961B-01 The LAN MAC address assigned to B2961B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2961B Modification Recommended B2961B-02 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2961B Modification Recommended B2961B-03 A PC board sourced from an alternate supplier could potentially enhance tracking capabilities. 2024.05.13
B2962A Modification Recommended B2962A-01 Factory Pre-shipment Adjustment/Calibration Issue 2013.06.20
B2962A Modification Recommended B2962A-02 May have an internal communication error at the power on or when updating the firmware to the revisions described in this service note. 2018.09.17
B2962B Modification Recommended B2962B-01 The LAN MAC address assigned to B2962B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2962B Modification Recommended B2962B-02 Distortion occurs in the output waveform when creating a sweep waveform. 2024.03.25
B2981B Modification Recommended B2981B-01 The LAN MAC address assigned to B2981B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2983B Modification Recommended B2983B-01 The LAN MAC address assigned to B2983B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2985A Modification Recommended B2985A-01 A PC board sourced from an alternate supplier could potentially enhance tracking capabilities. 2024.05.28
B2985B Modification Recommended B2985B-01 The LAN MAC address assigned to B2985B may have a duplicate with the one assigned to 33502A. 2021.12.01
B2985B Modification Recommended B2985B-02 A PC board sourced from an alternate supplier could potentially enhance tracking capabilities. 2024.05.13
B2987B Modification Recommended B2987B-01 The LAN MAC address assigned to B2987B may have a duplicate with the one assigned to 33502A. 2021.12.01
CX1101A Modification Available CX1101A-01 CX1101A, a sensor that can be used with CX3322A/CX3324A, can have a new 500 kHz Low Pass Filter mode by performing both updates. 2019.02.12
CX1101A Modification Recommended CX1101A-02 A PC board sourced from an alternate supplier could potentially enhance tracking capabilities 2024.05.10
CX3322A Modification Available CX3322A-01 CX1101A, a sensor that can be used with CX3322A, can have a new 500 kHz Low Pass Filter mode by performing both updates. 2019.02.12
CX3322A Modification Recommended CX3322A-02 The CX3322A could have DC voltage measurement deviation 2023.03.19
CX3324A Modification Available CX3324A-01 CX1101A, a sensor that can be used with CX3324A, can be updated to have 500 kHz Low Pass Filter mode by performing both updates: 2019.02.12
CX3324A Modification Recommended CX3324A-02 The CX3324A could have DC voltage measurement deviation 2023.03.19
DAQ970A Modification Recommended DAQ970A-01 DAQM909A when used in DAQ970A serial number MY58001798 and lower may exhibit higher-than-normal radiated emissions 2020.01.28
DAQ970A Information Only DAQ970A-02 Error -310 With Firmware Version 2.01 2020.05.17
DAQ970A Information Only DAQ970A-03 Customer owns a DAQ970A with BenchVue Included license receives a refurbished DAQ970A serial number below MY58000862 which is ineligible for BenchVue Included license after service center unit exchange. (Refurbished units with serial number below MY58000862 do not have BenchVue Included license) 2021.09.15
DAQ970A Information Only DAQ970A-04 Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. 2023.04.10
DAQ970A Information Only DAQ970A-04A Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. 2023.04.10
DAQ973A Information Only DAQ973A-01 Error -310 With Firmware Version 2.01 2020.05.18
DAQ973A Information Only DAQ973A-02 Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. 2023.04.10
DAQ973A Information Only DAQ973A-02A Removal of J-Type Thermocouple and screwdriver as a standard shipped accessory. 2023.04.10
DAQM900A Modification Recommended DAQM900A-01 Unable to insert and remove the module from DAQ970A mainframe 2019.07.09
DAQM900A Modification Recommended DAQM900A-01A Possible tightness when unplugging the module from DAQ970A mainframe 2019.07.17
DAQM901A Modification Recommended DAQM901A-01A Possible tightness when unplugging the module from DAQ970A mainframe 2019.07.17
DAQM902A Modification Recommended DAQM902A-01A Possible tightness when unplugging the module from DAQ970A mainframe 2019.07.17
DAQM903A Modification Recommended DAQM903A-01A Possible tightness when unplugging the module from DAQ970A mainframe 2019.07.17
DSA90254A Information Only DSA90254A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSA90254A Modification Recommended DSA90254A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSA90254A Modification Recommended DSA90254A-04 Crackling noise coming from rear of scope. 2009.04.13
DSA90254A Modification Recommended DSA90254A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSA90254A Modification Recommended DSA90254A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSA90404A Information Only DSA90404A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSA90404A Modification Recommended DSA90404A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSA90404A Modification Recommended DSA90404A-04 Crackling noise coming from rear of scope. 2009.04.13
DSA90404A Modification Recommended DSA90404A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSA90404A Modification Recommended DSA90404A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSA90604A Information Only DSA90604A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSA90604A Modification Recommended DSA90604A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSA90604A Modification Recommended DSA90604A-04 Crackling noise coming from rear of scope. 2009.04.13
DSA90604A Modification Recommended DSA90604A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSA90604A Modification Recommended DSA90604A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSA90804A Information Only DSA90804A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSA90804A Modification Recommended DSA90804A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSA90804A Modification Recommended DSA90804A-04 Crackling noise coming from rear of scope. 2009.04.13
DSA90804A Modification Recommended DSA90804A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSA90804A Modification Recommended DSA90804A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSA91204A Information Only DSA91204A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSA91204A Modification Recommended DSA91204A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSA91204A Modification Recommended DSA91204A-04 Crackling noise coming from rear of scope. 2009.04.13
DSA91204A Modification Recommended DSA91204A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSA91204A Modification Recommended DSA91204A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSA91304A Information Only DSA91304A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSA91304A Modification Recommended DSA91304A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSA91304A Modification Recommended DSA91304A-04 Crackling noise coming from rear of scope. 2009.04.13
DSA91304A Modification Recommended DSA91304A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSA91304A Modification Recommended DSA91304A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSAV084A Information Only DSAV084A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAV134A Information Only DSAV134A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAV164A Information Only DSAV164A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAV204A Information Only DSAV204A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAV254A Information Only DSAV254A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAV334A Information Only DSAV334A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAX91604A Modification Recommended DSAX91604A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSAX92004A Modification Recommended DSAX92004A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSAX92504A Modification Recommended DSAX92504A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSAX92804A Modification Recommended DSAX92804A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSAX93204A Modification Recommended DSAX93204A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSAX95004Q Modification Recommended DSAX95004Q-01 Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. 2014.08.05
DSAX96204Q Modification Recommended DSAX96204Q-01 Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. 2014.08.05
DSAZ204A Information Only DSAZ204A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAZ254A Information Only DSAZ254A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAZ334A Information Only DSAZ334A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAZ504A Information Only DSAZ504A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAZ592A Information Only DSAZ592A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAZ594A Information Only DSAZ594A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAZ632A Information Only DSAZ632A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSAZ634A Information Only DSAZ634A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSO1052B Modification Recommended DSO1052B-02A A small number of DSO1052B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user. 2016.03.30
DSO1072B Modification Recommended DSO1072B-02A A small number of DSO1072B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user. 2016.03.30
DSO1102B Modification Recommended DSO1102B-02A A small number of DSO1102B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user 2016.03.30
DSO1152B Modification Recommended DSO1152B-02A A small number of DSO1152B scopes exhibit a behavior in which the display will turn off 5-10 minutes after powering the scope on. This poses no danger to a user. 2016.03.30
DSO3062A Information Only DSO3062A-02 The 3000 series is not being manufactured anymore. We are facing a depletion of this specific model and it needs to be replaced by a 1000 series scope. 2011.02.02
DSO3102A Information Only DSO3102A-01 The 3000 series is not being manufactured anymore. We are facing a depletion of this specific model and it needs to be replaced by a 1000 series scope. 2011.02.11
DSO3152A Information Only DSO3152A-01 The 3000 series is not being manufactured anymore. We are facing a depletion of this specific model and it needs to be replaced by a 1000 series scope. 2011.02.11
DSO3202A Information Only DSO3202A-01 The 3000 series is not being manufactured anymore. We are facing a depletion of this specific model and it needs to be replaced by a 1000 series scope. 2011.02.11
DSO6014L Safety DSO6014L-01-S A Foam Filled EMI Gasket was used in the units listed above. It was implemented in a total of 52 6000L units starting in Nov’2019 with SN: MY5945xxxx in response to a change in EMI qualification. It has been found that the Foam Filled EMI Gasket, if placed incorrectly, may not meet the safety creepage and clearance requirements and could cause a safety risk to the user. 2020.10.15
DSO6032A Priority Safety DSO6032A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
DSO6032A Information Only DSO6032A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
DSO6034A Priority Safety DSO6034A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
DSO6034A Information Only DSO6034A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
DSO6052A Priority Safety DSO6052A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
DSO6052A Information Only DSO6052A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
DSO6054A Priority Safety DSO6054A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
DSO6054A Information Only DSO6054A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
DSO6054L Safety DSO6054L-01-S A Foam Filled EMI Gasket was used in the units listed above. It was implemented in a total of 52 6000L units starting in Nov’2019 with SN: MY5945xxxx in response to a change in EMI qualification. It has been found that the Foam Filled EMI Gasket, if placed incorrectly, may not meet the safety creepage and clearance requirements and could cause a safety risk to the user. 2020.10.15
DSO6102A Information Only DSO6102A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
DSO6104A Priority Safety DSO6104A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
DSO6104A Information Only DSO6104A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
DSO6104L Safety DSO6104L-01-S A Foam Filled EMI Gasket was used in the units listed above. It was implemented in a total of 52 6000L units starting in Nov’2019 with SN: MY5945xxxx in response to a change in EMI qualification. It has been found that the Foam Filled EMI Gasket, if placed incorrectly, may not meet the safety creepage and clearance requirements and could cause a safety risk to the user. 2020.10.15
DSO7032A Modification Recommended DSO7032A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
DSO7034A Modification Recommended DSO7034A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
DSO7052A Modification Recommended DSO7052A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
DSO7054A Modification Recommended DSO7054A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
DSO7104A Modification Recommended DSO7104A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
DSO8064A Information Only DSO8064A-01 Hard Drive Replacement Kit 2007.01.30
DSO8064A Information Only DSO8064A-02 Motherboard PN D81004-68809 not available 2007.06.01
DSO8064A Information Only DSO8064A-03 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.13
DSO8064A Information Only DSO8064A-04 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.18
DSO8064A Information Only DSO8064A-05 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO8104A Information Only DSO8104A-01 Hard Drive Replacement Kit 2007.01.30
DSO8104A Information Only DSO8104A-02 Motherboard PN D81004-68809 not available 2007.06.01
DSO8104A Information Only DSO8104A-03 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.13
DSO8104A Information Only DSO8104A-04 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.18
DSO8104A Information Only DSO8104A-05 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO9024H Modification Recommended DSO9024H-01 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO9054H Modification Recommended DSO9054H-01 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO9064A Modification Recommended DSO9064A-01A Intermittent power failure on some 9000 series units. 2012.02.02
DSO9064A Modification Recommended DSO9064A-03 Intermittent shutdown issue is J124 connector and 12 volt Bulk power cable connection problem. 2012.09.12
DSO9064A Information Only DSO9064A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
DSO9104A Modification Recommended DSO9104A-01 Rev 005 acquisiton boards should be replaced 2010.02.10
DSO9104A Modification Recommended DSO9104A-03 Repair for Windows “Power surge on hub” message 2011.04.11
DSO9104A Modification Recommended DSO9104A-05 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO9104A Information Only DSO9104A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
DSO9104H Modification Recommended DSO9104H-01 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO9204H Modification Recommended DSO9204H-01 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO9254A Modification Recommended DSO9254A-01 Rev 005 acquisiton boards should be replaced 2010.02.10
DSO9254A Modification Recommended DSO9254A-03 Repair for Windows “Power surge on hub” message 2011.04.11
DSO9254A Modification Recommended DSO9254A-05 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO9254A Information Only DSO9254A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
DSO9404A Modification Recommended DSO9404A-01 Rev 005 acquisiton boards should be replaced 2010.02.10
DSO9404A Modification Recommended DSO9404A-03 Repair for Windows “Power surge on hub” message 2011.04.11
DSO9404A Modification Recommended DSO9404A-05 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO9404A Information Only DSO9404A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
DSO80204B Modification Recommended DSO80204B-01B Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. 2007.07.10
DSO80204B Information Only DSO80204B-02 Hard Drive Replacement Kit 2007.01.30
DSO80204B Information Only DSO80204B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO80204B Information Only DSO80204B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO80204B Information Only DSO80204B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO80204B Information Only DSO80204B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO80204B Information Only DSO80204B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO80304B Modification Recommended DSO80304B-01B Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. 2007.07.10
DSO80304B Information Only DSO80304B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO80304B Information Only DSO80304B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO80304B Information Only DSO80304B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO80304B Information Only DSO80304B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO80304B Information Only DSO80304B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO80404B Modification Recommended DSO80404B-01B Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. 2007.07.10
DSO80404B Information Only DSO80404B-02 Hard Drive Replacement Kit 2007.01.30
DSO80404B Information Only DSO80404B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO80404B Information Only DSO80404B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO80404B Information Only DSO80404B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO80404B Information Only DSO80404B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO80404B Information Only DSO80404B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO80604B Modification Recommended DSO80604B-01B Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. 2007.07.10
DSO80604B Information Only DSO80604B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO80604B Information Only DSO80604B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO80604B Information Only DSO80604B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO80604B Information Only DSO80604B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO80604B Information Only DSO80604B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO80804B Information Only DSO80804B-01 Hard Drive Replacement Kit 2007.01.30
DSO80804B Information Only DSO80804B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO80804B Information Only DSO80804B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO80804B Information Only DSO80804B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO80804B Information Only DSO80804B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO80804B Information Only DSO80804B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO81004A Information Only DSO81004A-05 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
DSO81004B Modification Recommended DSO81004B-01B Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. 2007.07.10
DSO81004B Information Only DSO81004B-02 Hard Drive Replacement Kit 2007.01.30
DSO81004B Information Only DSO81004B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO81004B Information Only DSO81004B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO81004B Information Only DSO81004B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO81004B Information Only DSO81004B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO81004B Information Only DSO81004B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO81204A Information Only DSO81204A-05 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.27
DSO81204B Modification Recommended DSO81204B-01B Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. 2007.07.10
DSO81204B Information Only DSO81204B-02 Hard Drive Replacement Kit 2007.01.30
DSO81204B Information Only DSO81204B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO81204B Information Only DSO81204B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO81204B Information Only DSO81204B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO81204B Information Only DSO81204B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO81204B Information Only DSO81204B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO81304A Information Only DSO81304A-05 The stock of four slot mother boards is depleted so any motherboard failures will need to be replaced with the three slot motherboard. The three slot motherboard gives no additional capability or improvement over the four slot motherboard. Use this service note when replacing a defective four slot motherboard. 2010.07.28
DSO81304B Modification Recommended DSO81304B-01B Unit fails to identify CDROM drive. Not a saftey concern.Recommend the Sub-Asembly rather then the Power Supply because it was not set up orginally for service. 2007.07.10
DSO81304B Information Only DSO81304B-02 Hard Drive Replacement Kit 2007.01.30
DSO81304B Information Only DSO81304B-03 The CPU PCA assmembly part number D81004-68809 no longer available. 2007.06.01
DSO81304B Information Only DSO81304B-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.18
DSO81304B Information Only DSO81304B-05 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.16
DSO81304B Information Only DSO81304B-06 The DSO80000B in the serial number range above possibly has a contamination internal to the power supply. The failure symptom is the scope will suddenly shut down intermittently. This is not a safety concern for any reason. The purpose of the service note is to approve this repair to be performed under warranty for a 3 year warranty period. After the 3 years from shipment if the power supply was to fail then this is not due to the contamination issue, it would be considered a normal failure. 2007.11.19
DSO81304B Information Only DSO81304B-07 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
DSO90254A Information Only DSO90254A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSO90254A Modification Recommended DSO90254A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSO90254A Modification Recommended DSO90254A-04 Crackling noise coming from rear of scope. 2009.04.13
DSO90254A Modification Recommended DSO90254A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSO90254A Modification Recommended DSO90254A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO90404A Information Only DSO90404A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSO90404A Modification Recommended DSO90404A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSO90404A Modification Recommended DSO90404A-04 Crackling noise coming from rear of scope. 2009.04.13
DSO90404A Modification Recommended DSO90404A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSO90404A Modification Recommended DSO90404A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO90604A Information Only DSO90604A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSO90604A Modification Recommended DSO90604A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSO90604A Modification Recommended DSO90604A-04 Crackling noise coming from rear of scope. 2009.04.13
DSO90604A Modification Recommended DSO90604A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSO90604A Modification Recommended DSO90604A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO90804A Information Only DSO90804A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSO90804A Modification Recommended DSO90804A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSO90804A Modification Recommended DSO90804A-04 Crackling noise coming from rear of scope. 2009.04.13
DSO90804A Modification Recommended DSO90804A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSO90804A Modification Recommended DSO90804A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO91204A Information Only DSO91204A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSO91204A Modification Recommended DSO91204A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSO91204A Modification Recommended DSO91204A-04 Crackling noise coming from rear of scope. 2009.04.13
DSO91204A Modification Recommended DSO91204A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSO91204A Modification Recommended DSO91204A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSO91304A Information Only DSO91304A-01 The scopes originally shipped with an 80 GB hard drive. The serial numbers listed above when replacing the internal Hard Drive will need an additional power cable adapter installed to power the replacement 250GB internal Hard Drive. New units shipped with the 250GB hard drives have a new power cable and the adapter is not needed. 2008.06.26
DSO91304A Modification Recommended DSO91304A-02 Acquisition boards which are loaded into a different back board slot than they were factory calibrated in will fail the filter user calibration because the calibration software cannot locate the filter factory calibration data. 2008.09.04
DSO91304A Modification Recommended DSO91304A-04 Crackling noise coming from rear of scope. 2009.04.13
DSO91304A Modification Recommended DSO91304A-06A ICCY is characterized by the intermittent failure of Windows to recognize the Infiniium acquisition hardware on the PCIe bus after a Windows boot process, resulting in the “Infiniium cannot communicate with the acquisition hardware. 2013.10.01
DSO91304A Modification Recommended DSO91304A-07 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the horizontal position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
DSOS054A Modification Recommended DSOS054A-02C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
DSOS054A Modification Recommended DSOS054A-02D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
DSOS054A Modification Recommended DSOS054A-02E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
DSOS054A Modification Recommended DSOS054A-02F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
DSOS054A Modification Recommended DSOS054A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
DSOS104A Modification Recommended DSOS104A-03C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
DSOS104A Modification Recommended DSOS104A-03D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
DSOS104A Modification Recommended DSOS104A-03E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
DSOS104A Modification Recommended DSOS104A-03F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
DSOS104A Modification Recommended DSOS104A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
DSOS204A Modification Recommended DSOS204A-02B Under certain circumstances a PLL2 error may occur on the S-series products. 2019.03.05
DSOS204A Modification Recommended DSOS204A-02C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
DSOS204A Modification Recommended DSOS204A-02D Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
DSOS204A Modification Recommended DSOS204A-02E Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
DSOS204A Modification Recommended DSOS204A-04 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
DSOS254A Modification Recommended DSOS254A-03A Under certain circumstances a PLL2 error may occur on the S-series products. 2018.02.07
DSOS254A Modification Recommended DSOS254A-03C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
DSOS254A Modification Recommended DSOS254A-03D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
DSOS254A Modification Recommended DSOS254A-03E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
DSOS254A Modification Recommended DSOS254A-03F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
DSOS254A Modification Recommended DSOS254A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
DSOS404A Modification Recommended DSOS404A-03C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
DSOS404A Modification Recommended DSOS404A-03D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
DSOS404A Modification Recommended DSOS404A-03E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
DSOS404A Modification Recommended DSOS404A-03F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.20
DSOS404A Modification Recommended DSOS404A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
DSOS604A Modification Recommended DSOS604A-03C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
DSOS604A Modification Recommended DSOS604A-03D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
DSOS604A Modification Recommended DSOS604A-03E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
DSOS604A Modification Recommended DSOS604A-03F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
DSOS604A Modification Recommended DSOS604A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
DSOS804A Modification Recommended DSOS804A-02C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
DSOS804A Modification Recommended DSOS804A-02D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
DSOS804A Modification Recommended DSOS804A-02E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
DSOS804A Modification Recommended DSOS804A-02F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
DSOS804A Modification Recommended DSOS804A-04 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
DSOV084A Information Only DSOV084A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOV134A Information Only DSOV134A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOV164A Information Only DSOV164A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOV204A Modification Recommended DSOV204A-02A V-series scopes can shut down after the initial power on. 2018.06.28
DSOV204A Information Only DSOV204A-04 Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2020.12.15
DSOV204A Information Only DSOV204A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOV254A Information Only DSOV254A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOV334A Information Only DSOV334A-03A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOX2002A Modification Recommended DSOX2002A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX2002A Information Only DSOX2002A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX2002A Information Only DSOX2002A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
DSOX2004A Modification Recommended DSOX2004A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX2004A Information Only DSOX2004A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX2004A Information Only DSOX2004A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
DSOX2012A Modification Recommended DSOX2012A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX2012A Information Only DSOX2012A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX2012A Information Only DSOX2012A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
DSOX2014A Modification Recommended DSOX2014A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX2014A Information Only DSOX2014A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX2014A Information Only DSOX2014A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
DSOX2022A Modification Recommended DSOX2022A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX2022A Information Only DSOX2022A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX2022A Information Only DSOX2022A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
DSOX2024A Modification Recommended DSOX2024A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX2024A Information Only DSOX2024A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX2024A Information Only DSOX2024A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
DSOX3012A Modification Recommended DSOX3012A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX3012A Information Only DSOX3012A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3014A Modification Recommended DSOX3014A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX3014A Information Only DSOX3014A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3024A Modification Recommended DSOX3024A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX3024A Information Only DSOX3024A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3032A Modification Recommended DSOX3032A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX3032A Information Only DSOX3032A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3034A Modification Recommended DSOX3034A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX3034A Information Only DSOX3034A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3052A Modification Recommended DSOX3052A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX3052A Information Only DSOX3052A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3054A Modification Recommended DSOX3054A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
DSOX3054A Information Only DSOX3054A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3102A Information Only DSOX3102A-01 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX3104A Information Only DSOX3104A-01 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
DSOX4022A Modification Recommended DSOX4022A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
DSOX4022A Modification Recommended DSOX4022A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
DSOX4024A Modification Recommended DSOX4024A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
DSOX4024A Modification Recommended DSOX4024A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
DSOX4024A Safety DSOX4024A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
DSOX4032A Modification Recommended DSOX4032A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
DSOX4032A Modification Recommended DSOX4032A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
DSOX4034A Modification Recommended DSOX4034A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
DSOX4034A Modification Recommended DSOX4034A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
DSOX4034A Safety DSOX4034A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
DSOX4052A Modification Recommended DSOX4052A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
DSOX4052A Modification Recommended DSOX4052A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
DSOX4054A Modification Recommended DSOX4054A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
DSOX4054A Modification Recommended DSOX4054A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
DSOX4054A Safety DSOX4054A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
DSOX4104A Modification Recommended DSOX4104A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
DSOX4104A Modification Recommended DSOX4104A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
DSOX4104A Safety DSOX4104A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
DSOX4154A Safety DSOX4154A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
DSOX91604A Modification Recommended DSOX91604A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSOX92004A Modification Recommended DSOX92004A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSOX92504A Modification Recommended DSOX92504A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSOX92804A Modification Recommended DSOX92804A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSOX93204A Modification Recommended DSOX93204A-03 Front panel connector may not offer a good ground connection for probes 2011.08.04
DSOX95004Q Modification Recommended DSOX95004Q-01 Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. 2014.08.05
DSOX96204Q Modification Recommended DSOX96204Q-01 Using the Real Channels with differential mode on and or Precision Probe on, causes the Main FPGA to dip and data fryers are observed due to voltage variations. 2014.08.05
DSOZ204A Information Only DSOZ204A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOZ254A Information Only DSOZ254A-05 Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2020.12.15
DSOZ254A Information Only DSOZ254A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOZ334A Information Only DSOZ334A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOZ504A Information Only DSOZ504A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOZ592A Information Only DSOZ592A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOZ594A Information Only DSOZ594A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOZ632A Information Only DSOZ632A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
DSOZ634A Information Only DSOZ634A-05A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
E1085A Safety 3070-20-S When testhead enclosure is removed, possible shock hazard exists. 1995.12.31
E1085A Safety 3070-26-S Possible electrical shock hazard when POTS rack removed 1996.11.21
E1135C Safety 3070-75B-S The E1135A/B/C PDU may not turn off when the EMO switch (emergency stop) is pressed. 2008.10.27
E1326B Modification Recommended E1326B-01 Modification to prevent erroneous readings and incorrect delay settings 1993.02.28
E1326B Modification Recommended E1326B-02 Modification to prevent losing readings when operating with a V/360 controller 1993.02.28
E1332A Modification Recommended E1332A-01 Modification to prevent losing readings when operating with a V/360 controller 1993.02.28
E1332A Modification Recommended E1332A-02 Modification to prevent errors 1991.10.31
E1333A Modification Recommended E1333A-01 Modification to prevent losing readings when operating with a V/360 controller 1993.02.28
E1333A Information Only E1333A-02 Manual change corrects frequency performance tests 1992.12.01
E1345A Modification Recommended E1345A-01 Modification to prevent premature relay failures 1998.03.01
E1351A Modification Recommended E1351A-01 Modification prevents high environment noise causing random errors & disrupting 1993.02.28
E1352A Modification Recommended E1352A-01 Modification prevents high environment noise causing random errors & disrupting 1993.02.28
E1353A Modification Recommended E1353A-01 Modification prevents high environment noise causing random errors & disrupting 1993.02.28
E1400B Modification Recommended E1400B-03 Correction for defective backplane connectors 1992.09.30
E1400T Modification Recommended E1400T-03 Correction for defective backplane connectors 1992.09.30
E1401A Safety E1401A-02-S Buildup of surface contamination inside the E1401A power supply plus a jumper wire with damaged insulation may cause a shock hazard to exist on an externallyaccessible pin on the rear panel of the E1401A mainframe. 1993.04.05
E1401B Modification Recommended E1401B-01 Mainframe trips GFI circuit breakers 1998.10.14
E1401B Modification Available E1401B-02 Cooling fan makes ""clicking"" noise 1999.04.05
E1401B Modification Recommended E1401B-03 Update exchange assembly for low input voltage 1999.08.09
E1401B Modification Recommended E1401B-04 New power supply improves performance 2000.12.10
E1411B Modification Recommended E1411B-01 Modifications to prevent erroneous readings and correct delay settings 1993.02.28
E1411B Modification Recommended E1411B-02 Modification to prevent losing readings when operating with a V/360 controller 1993.02.28
E1411B Modification Recommended E1411B-03 Replacement transformer stops Ohms drift 1999.11.28
E1412A Information Only E1412A-01 Serial Number on exterior sheet metal may be incorrect. 2005.09.23
E1420B Information Only E1420B-01 How to fix intermittent *TST? Self-Test Failure 1992.12.01
E1420B Modification Available E1420B-02A New F/W Rev B.03.00 and B.03.40 1993.12.31
E1420B Information Only E1420B-03 Notification of operating anomaly 2001.05.03
E1421B Modification Recommended E1421B-01 Mainframe trips GFI Circuit Breakers 1999.04.05
E1421B Modification Available E1421B-02 Cooling fan makes ""clicking"" noise 1999.04.05
E1421B Modification Recommended E1421B-03 E1421B 6-Slot, C-size VXI Mainframe 1999.06.23
E1421B Modification Recommended E1421B-04 New power supply improves performance 2000.12.10
E1437A Modification Recommended E1437A-01 External trigger improved 1999.02.17
E1445A Modification Recommended E1445A-01 Modification corrects unit failure due to reverse-biased capacitors 1992.09.30
E1446A Modification Recommended E1446A-01 New fuse prevents output from sticking at +24 or -24Vdc rail 1993.05.31
E1460A Modification Recommended E1460A-01 E1460A may fail to open/close relays because of a defective relay driver IC with date code 0325 2009.07.28
E1465A Modification Recommended E1465A-01 E1465A may fail to open/close relays because of a defective relay driver IC with date code 0325 2009.07.28
E1466A Modification Recommended E1466A-01 E1466A may fail to open/close relays because of a defective relay driver IC with date code 0325 2009.07.28
E1466A Modification Recommended E1466A-01A E1466A may fail to open/close relays because of a defective relay driver IC with date code 0325 2024.07.26
E1467A Modification Recommended E1467A-01 E1467A may fail to open/close relays because of a defective relay driver IC with date code 0325 2009.07.29
E1467A Modification Recommended E1467A-01A E1467A may fail to open/close relays because of a defective relay driver IC with date code 0325 2024.07.26
E1468A Information Only E1468A-01 Status register switch added to configure the product 1993.11.12
E1472A Modification Recommended E1472A-01 Mod prevents erratic operation at elevated temperatures 1994.08.04
E1474A Modification Recommended E1474A-01 Mod prevents erratic operation at elevated temperatures 1994.08.04
E1550A Safety E1550A-01-S Due to mismarked input voltage rating, voltages as high as 170 Vrms / 200 Vdc could be present on exposed user accessible connector pins. These voltages also exceed the module circuitry insulation system. These conditions can result in a possible electric shock hazard. 1994.08.31
E1779A Modification Recommended E1779A-01 Lower the DC Fuse rating 2002.05.28
E2190A Safety 3070-62B-S Top cover possibly causes pinch hazard 2002.11.06
E2225A Modification Available E2225A-01A HP-CAS update revision v.1.52 1999.02.17
E2225A Modification Recommended E2225A-02A CON2 SRAM Data Loss modification 1999.02.17
E2225A Information Only E2225A-03 CON2 Flashing Exception Lifted 1999.02.18
E2225A Modification Recommended E2225A-04 PISA12U Fails at low temperatures 1999.04.05
E2225A Modification Recommended E2225A-05B HP-CAS patch revision v.1.52 1999.06.23
E2228A Modification Recommended E2228A-01A BIOS Update 2004.05.25
E2228A Modification Recommended E2228A-02 DVD/CD drives must be replaced in noted serial number range 2004.05.10
E2228A Information Only E2228A-03 The following procedures are used to activate the XP license on the TS-5400 Series IIB and the TS-5410 system controllers. 2005.03.31
E2228A Modification Recommended E2228A-04 System PDU grounding modification for increased measurement accuracy. 2005.05.18
E2230A Modification Recommended E2230A-04 System PDU grounding modification for increased measurement accuracy 2005.05.18
E2230B Information Only E2230B-01 Color change for casing of power distribution unit, E1135-80050 from pewter grey color to graphite grey color. 2012.01.13
E2231A Information Only E2231A-01 The following procedures are used to activate the XP license on the TS-5400 Series IIB and the TS-5410 system controllers. 2005.03.31
E2240A Information Only E2240A-01 Color change for casing of power distribution unit, E1135-80050 from pewter grey color to graphite grey color. 2012.01.13
E2675A Modification Recommended E2675A-01 All black and early vintage gray nose cones or tips can crack or break 2009.01.20
E2676A Modification Recommended E2676A-01 All black and early vintage gray nose cones or tips can crack or break 2009.01.20
E3101A Modification Recommended E3101A-01 4071A Software Update To Revision 1.1 2001.01.07
E3101A Modification Recommended E3101A-02 Firmware Update To Fix the Diag Leak Test Fail 2001.01.07
E3101A Modification Recommended E3101A-03 Recommended replacement of varistor due to high temperatures 2001.01.28
E3101A Modification Recommended E3101A-04B Optical communication quality improvement 1999.02.17
E3101A Modification Recommended E3101A-05A Contact of the terminals of outlets are loose 1999.04.05
E3101A Modification Recommended E3101A-06A Solution for the breaking of a relay coil 1999.02.17
E3101A Modification Recommended E3101A-07 Under certain operating conditions, incorrect data is observed 1998.11.23
E3101A Modification Recommended E3101A-10A All the SMUs show ""another SMU has reached compliance"" 1999.06.23
E3101A Modification Recommended E3101A-12 Chuck Connection Cable Became Longer 2000.01.17
E3101A Modification Recommended E3101A-13 17-inch monitor cannot be fixed on the rack mount kit 2000.11.07
E3101A Modification Recommended E3101A-14 Display picture may be distorted 2001.02.07
E3101A Information Only E3101A-15 Rear door may rub off paint coat of PDU main switch 2001.02.23
E3101A Modification Recommended E3101A-16A Power Fail Occurred after Over Current when Using HPSMU 2001.09.07
E3101A Modification Available E3101A-17 Cable stoppers prevent to loosen extended path cable. 2002.01.21
E3101B Modification Recommended E3101A-16A Power Fail Occurred after Over Current when Using HPSMU 2001.07.31
E3102A Modification Recommended E3102A-01 Chuck Connection Cable Became Longer 2000.01.17
E3102A Modification Recommended E3102A-02 Display picture may be distorted 2001.02.07
E3102A Information Only E3102A-03 Rear door may rub off paint coat of PDU main switch 2001.02.23
E3102A Modification Recommended E3102A-04A Power fail occurred after over current when using HPSMU 2001.09.07
E3102A Modification Recommended E3102A-05 Wrong ground fault current setting for 200V PDU. 2004.02.23
E3102A Modification Recommended E3102A-06 Wrong Ground Fault Current Setting for 200 V PDU 2006.02.07
E3102A Information Only E3102A-07 Bundle E3160-61691 USB extension cable, and it may cause keyboard/mouse hang-up 2006.02.08
E3102A Modification Recommended E3102A-08 When upgrade system controller to C8000 or xr8400 and rack into cabinet, 450mm width or more is required. If less, this service note is available, that is, replace whole cabinet. 2007.05.17
E3102B Modification Recommended E3102B-01 Wrong ground fault current setting for 200V PDU. 2004.02.23
E3102B Modification Recommended E3102B-02 Wrong Ground Fault Current Setting for 200 V PDU 2006.02.07
E3102B Information Only E3102B-03 Bundle E3160-61691 USB extension cable, and it may cause keyboard/mouse hang-up 2006.02.08
E3103A Modification Recommended E3103A-01 Display picture may be distorted 2001.02.07
E3103A Information Only E3103A-02 Rear door may rub off paint coat of PDU main switch 2001.02.23
E3103A Modification Recommended E3103A-03A Power fail occurred after over current when using HPSMU 2001.09.07
E3103A Modification Recommended E3103A-04 Wrong ground fault current setting for 200V PDU. 2004.02.23
E3103A Modification Recommended E3103A-05 Wrong Ground Fault Current Setting for 200 V PDU 2006.02.07
E3103A Information Only E3103A-06 Bundle E3160-61691 USB extension cable, and it may cause keyboard/mouse hang-up 2006.02.08
E3103A Modification Recommended E3103A-07 When upgrade system controller to C8000 or xr8400 and rack into cabinet, 450mm width or more is required. If less, this service note is available, that is, replace whole cabinet. 2007.05.17
E3103B Modification Recommended E3103B-01 Wrong ground fault current setting for 200V PDU. 2004.02.23
E3103B Modification Recommended E3103B-02 3458A fails diagnosis DVM test 2005.10.13
E3103B Modification Recommended E3103B-03 Wrong Ground Fault Current Setting for 200 V PDU 2006.02.07
E3103B Information Only E3103B-04 Bundle E3160-61691 USB extension cable, and it may cause keyboard/mouse hang-up 2006.02.08
E3170A Modification Recommended E3170A-01 Flexible disk drive does not work or BASIC/UX may be unstable 1998.12.14
E3170AJ Modification Recommended E3170AJ-01 Flexible disk drive does not work or BASIC/UX may be unstable 1998.12.14
E3171A Modification Recommended E3171A-01 Real time clock may be wrong if you turn off controller AC power 2002.08.22
E3171AJ Modification Recommended E3171AJ-01 Real-time clock may be wrong if you turn off controller AC power 2002.08.22
E3172A Information Only E3172A-01 CD-ROM drive may not be used if HP-UX 11i is installed. 2002.04.22
E3172AJ Information Only E3172AJ-01 CD-ROM drive may not be used if HP-UX 11i is installed. 2002.04.22
E3452A Priority Safety E3452A-01-S Capacitor may fail causing a potential fire hazard 1998.10.14
E3459A Modification Recommended E3459A-01 Possible incompatibility between target interface modules 2000.11.07
E3610A Modification Recommended E3610A-01 Replacing output binding posts improves mechanical performance 1992.10.31
E3610A Modification Recommended E3610A-02 Mod eliminates V transient above output set during turn-off 1993.12.31
E3610A Modification Recommended E3610A-03 New voltage control eliminates output voltage overshoot 1994.10.10
E3610A Modification Recommended E3610A-04 Mod eliminates V transient above output set during turn-off 1996.03.14
E3610A Modification Recommended E3610A-05A Modification to Eliminate Oscillations during changing load conditions 2002.06.02
E3610A Safety E3610A-06E-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3610A Modification Recommended E3610A-07 This modification is required to eliminate oscillation when the output voltage and/or load conditions are changed. 2009.11.08
E3610A Information Only E3610A-08 E3610A DC Power Supply will be replaced by E3642A DC Power Supply 2017.03.28
E3611A Modification Recommended E3611A-01 Replacing output binding posts improves mechanical performance 1992.10.31
E3611A Modification Recommended E3611A-02 Mod eliminates V transient above output set during turn-off 1993.12.31
E3611A Modification Recommended E3611A-03 Elimination of RF oscillation for lightly loaded supply 1994.03.10
E3611A Modification Recommended E3611A-04 New voltage control eliminates output voltage overshoot 1994.10.10
E3611A Modification Recommended E3611A-05 Mod eliminates V transient above output set during turn-off 1996.03.14
E3611A Modification Recommended E3611A-06A Modification to eliminate output oscillation during changing load conditions. 2002.06.02
E3611A Safety E3611A-07E-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3611A Information Only E3611A-08 E3611A DC Power Supply will be replaced by E3645A DC Power Supply 2017.03.28
E3612A Modification Recommended E3612A-01 Replacing output binding posts improves mechanical performance 1992.10.31
E3612A Modification Recommended E3612A-02 Mod eliminates V transient above output set during turn-off 1993.12.31
E3612A Modification Recommended E3612A-03 Mod eliminates V transient above output set during turn-off 1996.03.14
E3612A Safety E3612A-04F-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3612A Information Only E3612A-05 E3612A DC Power Supply will be replaced by E3641A DC Power Supply 2017.03.28
E3614A Modification Recommended E3614A-01 New fuse eliminates intermittent blowing (Opt 0E3) 1994.01.27
E3614A Safety E3614A-02C-S The AC power module can accidentally come out of the instrument creating a 2011.01.03
E3614A Information Only E3614A-03 E3614A DC Power Supply will be replaced by E3644A/U8002A DC Power Supply 2017.03.28
E3615A Modification Recommended E3615A-01 New fuse eliminates intermittent blowing (Opt 0E3) 1994.01.27
E3615A Safety E3615A-02C-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3615A Information Only E3615A-03 E3615A DC Power Supply will be replaced by E3644A/U8001A DC Power Supply 2017.03.28
E3616A Modification Recommended E3616A-01 New fuse eliminates intermittent blowing (Opt 0E3) 1994.01.27
E3616A Modification Recommended E3616A-02 Modification to correct possible open circuit 1997.02.10
E3616A Safety E3616A-03C-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3616A Information Only E3616A-04 E3616A DC Power Supply will be replaced by E3643A/U8001A DC Power Supply 2017.03.28
E3617A Modification Recommended E3617A-01 New fuse eliminates intermittent blowing (Opt 0E3) 1994.01.27
E3617A Modification Recommended E3617A-02 Modification to correct possible open circuit 1997.02.10
E3617A Safety E3617A-03C-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3617A Information Only E3617A-04 E3617A DC Power Supply will be replaced by E3645A DC Power Supply 2017.03.28
E3620A Safety E3620A-06C-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3620A Modification Recommended E3620A-07 The Grey key caps (P/N E3630-40007) may crack overtime. 2005.08.28
E3630A Modification Recommended E3630A-01A Reliability improvement for supplies that fail in the field 2000.01.17
E3630A Modification Recommended E3630A-02 Mod to readjust the current limit of the 6V output 1998.11.23
E3630A Safety E3630A-03E-S The AC power module can accidentally come out of the instrument creating a shock hazard. 2011.01.03
E3630A Modification Recommended E3630A-04 The Grey key caps (P/N E3630-40007) may crack overtime. 2005.08.28
E3631A Modification Recommended E3631A-01 New line fuse improves Opt. 0E3 (230 Vac input) 1996.09.12
E3631A Modification Recommended E3631A-02 Mod removes output undershoot in the +25V power supply 1996.11.21
E3631A Modification Recommended E3631A-03 Modification reduces VRMS ripple and noise on output 1998.03.01
E3631A Modification Available E3631A-04C Firmware upgrade to eliminate output offsets in the OFF state 1999.06.23
E3631A Modification Recommended E3631A-05A How to handle the 6V output defect 1999.06.23
E3631A Modification Recommended E3631A-06 Transient failure on outputs when utilizing *RST command 1999.02.17
E3631A Modification Recommended E3631A-07 HP-IB cable retaining screws will not tighten by hand 1999.06.23
E3631A Modification Recommended E3631A-08 Firmware upgrade to eliminate a transient spike on the outputs 1999.08.09
E3631A Modification Recommended E3631A-09D +6V output channel shows current drawn without load 2011.07.26
E3631A Modification Recommended E3631A-10 EPROM contact issue cause display went off when power ON. 2005.12.19
E3631A Modification Recommended E3631A-11 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3631A Modification Recommended E3631A-12 ±25V output channel displays intermittent conductivity to ground terminal 2011.08.02
E3631A Modification Available E3631A-13D Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.10.14
E3631A Information Only E3631A-14 A “thump” sound may be heard when powering up E3631A 2012.06.22
E3632A Modification Recommended E3632A-01 HP-IB cable retaining screws will not tighten by hand 1999.06.23
E3632A Modification Recommended E3632A-02A Display went off during power On. 2006.01.25
E3632A Modification Recommended E3632A-03 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3632A Modification Available E3632A-04D Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.10.14
E3632A Information Only E3632A-05 Output Regulation Symptom (UNREG) at 102Vac to 107Vac 2011.10.19
E3633A Modification Recommended E3633A-01 HP-IB cable retaining screws will not tighten by hand 1999.06.23
E3633A Modification Recommended E3633A-02 OCP is not functional 2000.01.17
E3633A Modification Recommended E3633A-03 Display went off during power On. 2005.12.19
E3633A Modification Recommended E3633A-04 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.12
E3633A Modification Available E3633A-05D Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.10.14
E3634A Modification Recommended E3634A-01 HP-IB cable retaining screws will not tighten by hand 1999.06.23
E3634A Modification Recommended E3634A-02 OCP is not functional 2000.01.17
E3634A Modification Recommended E3634A-03 Display went off during power On. 2005.12.19
E3634A Modification Recommended E3634A-04 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.12
E3634A Modification Available E3634A-05C Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.07.08
E3640A Modification Recommended E3640A-01 Display went off during power On. 2006.03.16
E3640A Modification Recommended E3640A-02 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3641A Modification Recommended E3641A-01 Display went off during power On. 2006.03.16
E3641A Modification Recommended E3641A-02 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3642A Modification Recommended E3642A-01 Display went off during power On. 2006.03.16
E3642A Modification Recommended E3642A-02 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3643A Modification Recommended E3643A-01 Display went off during power On. 2006.03.16
E3643A Modification Recommended E3643A-02 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3644A Modification Recommended E3644A-01 Display went off during power On. 2006.03.16
E3644A Modification Recommended E3644A-02 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3645A Modification Recommended E3645A-01 Display went off during power On. 2006.03.16
E3645A Modification Recommended E3645A-02 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3646A Modification Recommended E3646A-01A The Capacitors used in circuit references (C107, C108, C173 & C174) have been found to have cold solder connections. 2008.10.29
E3646A Modification Recommended E3646A-02 Display went off during power On. 2006.03.16
E3646A Modification Recommended E3646A-03 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3646A Modification Available E3646A-04C Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.07.08
E3646A Information Only E3646A-05 New Error Message 2013.07.10
E3647A Modification Recommended E3647A-01A The Capacitors used in circuit references (C107, C108, C173 & C174) have been found to have cold solder connections. 2008.10.29
E3647A Modification Recommended E3647A-02 Display went off during power On. 2006.03.16
E3647A Modification Recommended E3647A-03 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3647A Modification Available E3647A-04D Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.10.14
E3647A Information Only E3647A-05 New Error Message 2013.07.10
E3648A Modification Recommended E3648A-01 The Capacitors used in the circuit reference (C107, C108, C173 & C174) has been found to have cold solder connections. 2004.04.06
E3648A Modification Recommended E3648A-01A The Capacitors used in circuit references (C107, C108, C173 & C174) have been found to have cold solder connections. 2008.10.29
E3648A Modification Recommended E3648A-02 Display went off during power On. 2006.03.16
E3648A Modification Recommended E3648A-03 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3648A Information Only E3648A-04A Procedure to ensure tight fitting of the rear bumper 2011.11.11
E3648A Modification Available E3648A-04C Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.07.08
E3648A Information Only E3648A-05 New Error Message 2013.07.10
E3649A Modification Recommended E3649A-01A The Capacitors used in the Circuit Reference (C107, C108, C173 & C174) have been found with cold solder connections 2008.10.29
E3649A Modification Recommended E3649A-02 Display went off during power On. 2006.03.16
E3649A Modification Recommended E3649A-03 Difficulty to adjust the knob control on front panel due to encoder issue. 2007.02.13
E3649A Modification Available E3649A-04D Metal Strap Kit for tightening loose bumper and for fitting rear lock link in sideby-side rack mounting 2013.10.14
E3649A Information Only E3649A-05 New Error Message 2013.07.10
E3770A Modification Recommended 3070-106 New control XTPB card firmware to adjust the delay time for relay opening, to resolve intermittent relay failures observed on pin cards while working together with XTPB cards. 2024.03.05
E3910A Priority Safety E3910A-02-S Inadequate ground may cause possible shock hazard 1994.01.27
E3910B Priority Safety E3910B-02-S Inadequate ground may cause possible shock hazard 1994.01.27
E3939A Priority Safety E3939A-02-S High voltage applied to the connector module plane or connector module handle could cause the existing ground path to open, resulting in a possible shock hazard to the user. 1994.01.02
E3939B Priority Safety E3939B-02-S High voltage applied to the connector module plane or connector module handle could cause the existing ground path to open, resulting in a possible shock hazard to the user. 1994.01.02
E3951A Priority Safety E3951A-01-S Mains voltages may be exposed at the rear of the power switch and mains voltages can be accessible during mains fuse replacement. 1994.09.30
E3980A Modification Recommended E3980A-FG-01 E3980A-FG (SimPlate Fixture Alignment Plates) are used in test fixtures in i3070 test systems. For certain batch, cracks are found near screw hole and other areas after use. 2022.09.28
E3980A Priority Safety E4093B-02-S Inadequate ground may cause possible shock hazard 1994.01.27
E4015A Safety 3070-45C-S 3rd Party fixture kits may create a serious pinch hazard 2003.04.30
E4025A Priority Safety 3070-43E-S Software defects prohibit safety procedures from operating properly 1999.01.31
E4025A Priority Safety 3070-58A-S Telescoping tube irregularity may cause a potential safety hazard 2000.12.31
E4025A Safety 3070-70-S Power cord connectors might have intermittant connections 2003.01.12
E4026AG Safety 3070-64G-S POSSIBLE PINCH HAZARD 2004.12.05
E4095B Priority Safety E4095B-02-S Inadequate ground may cause possible shock hazard 1994.01.27
E4100B Priority Safety E4100B-02-S High voltage applied to the connector module plane or connector module handle could cause the existing ground path to open, resulting in a possible shock hazard to the user. 1994.01.02
E4201A Information Only E4201A-01 Performance Test Result Ammendment 1999.02.18
E4208A Information Only E4208A-01 How to take care of BSTS floptical drive 1996.03.15
E4208B Information Only E4208B-01 How to take care of BSTS floptical drive 1996.03.15
E4250A Information Only E4250A-02 Required disk FW upgrade to improve performance 2001.05.25
E4254A Information Only E4254A-01 Compatibility with 60ns RAM SIMM Memory Modules 2001.01.08
E4350B Information Only E4350B-01 A5 DSP board connector J-722 can become loose in transit 2002.07.18
E4350B Information Only E4350B-02 Discontinued LCD and PCA compatibility 2006.09.22
E4350B Modification Recommended E4350B-03A Repair Strategy is Return to AMC. The Peak to Peak Ripple & Noise at 20 kHz, when operated as a Solar Simulator is Out of specification. 2009.10.28
E4351B Information Only E4351B-01 A5 DSP board connector J-722 can become loose in transit 2002.07.18
E4351B Modification Recommended E4351B-02 When the E4351B is operated at high line and no load “C723” may fail. 2003.11.02
E4351B Information Only E4351B-03 Discontinued LCD and PCA compatibility 2006.09.22
E4351B Modification Recommended E4351B-04A Repair Strategy is Return to AMC The Peak to Peak Ripple & Noise at 20 kHz, when operated as a Solar Array Simulator is Out of specification. 2009.10.29
E4356A Modification Recommended E4356A-01 Incorrect Capacitor on Control Board 1999.10.31
E4356A Modification Recommended E4356A-02A Upgrade for ""Unstable"" Current Shunt ""R907"" 2003.10.20
E4356A Information Only E4356A-03 Discontinued LCD and PCA compatibility 2006.09.21
E4356A Modification Recommended E4356A-04 The four filter capacitors circuit reference (C416-C419) on the A4 AC input board starts leaking electrolyte 2009.08.18
E4360A Modification Recommended E4360A-01 Due to inductive coupling resulting from the AC and DC cables being tied together, a communication error occurs. 2011.08.15
E4360A Information Only E4360A-02A Different Color Front Panel LCD Display 2018.03.07
E4360A Modification Recommended E4360A-04 Devices found to have duplicate MAC addresses can cause an IP conflict when connected on the same local network. 2019.08.04
E4360A Modification Recommended E4360A-05 Front Panel Keypad Incorrect Function Error 2021.09.27
E4360A Modification Recommended E4360A-06 Front Panel Display Flickering 2022.09.21
E4400B Information Only E4400B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4400B Information Only E4400B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4401B Safety E4401B-05-S Defective handle may cause personal injury or equipment damage 2000.04.04
E4401B Safety E4401B-05A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E4402B Modification Recommended E4402B-04 New flex circuit prevents dendrite growth/short circuits 2000.04.30
E4402B Safety E4402B-05-S Defective handle may cause personal injury or equipment damage 2000.04.04
E4402B Modification Recommended E4402B-07 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E4402B Modification Recommended E4402B-08 Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) 2002.02.14
E4402B Modification Recommended E4402B-09 Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests 2001.10.31
E4402B Modification Recommended E4402B-10 Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV 2002.11.07
E4402B Modification Recommended E4402B-11 Replace Micron DRAM SIMMS from the A4, CPU assembly 2002.02.14
E4402B Modification Available E4402B-14 Incorrectly manufacturered transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. 2004.04.01
E4402B Information Only E4402B-15 Input attenuator switching appears to be incorrect 2005.02.11
E4402B Information Only E4402B-16A A8A1 RF Assembly Replacement Part Numbers 2007.07.04
E4402B Modification Recommended E4402B-17 RF compatibility check for the upgrade option B7D/B7E. 2006.10.16
E4402B Information Only E4402B-18 LO Amplitude Adjustment not required for certain vintage of RF assembly 2007.02.02
E4403B Modification Recommended E4403B-03 New flex circuit prevents dendrite growth/short circuits 2000.04.30
E4403B Safety E4403B-04-S Defective handle may cause personal injury or equipment damage 2000.04.04
E4403B Safety E4403B-04A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E4403B Modification Recommended E4403B-06 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E4403B Modification Recommended E4403B-07 Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) 2002.02.14
E4403B Modification Available E4403B-09 Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. 2004.04.01
E4403B Information Only E4403B-10 Input attenuator switching appears to be incorrect 2005.02.11
E4403B Information Only E4403B-11A A8A1 RF Assembly Replacement Part Numbers 2007.07.04
E4403B Information Only E4403B-12 LO Amplitude Adjustment not required for certain vintage of RF assembly 2007.02.02
E4404B Modification Recommended E4404B-03 New flex circuit prevents dendrite growth/short circuits 2000.04.30
E4404B Safety E4404B-04-S Defective handle may cause personal injury or equipment damage 2000.02.29
E4404B Safety E4404B-04A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E4404B Modification Recommended E4404B-06 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E4404B Modification Recommended E4404B-07 Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) 2002.02.14
E4404B Modification Recommended E4404B-08 Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests 2001.10.31
E4404B Modification Recommended E4404B-09 Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV 2002.11.07
E4404B Modification Recommended E4404B-10 Replace Micron DRAM SIMMS from the A4, CPU assembly 2002.02.14
E4404B Modification Available E4404B-13 Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. 2004.04.01
E4404B Information Only E4404B-14 Input attenuator switching appears to be incorrect 2005.02.11
E4404B Information Only E4404B-15A A8A1 RF Assembly Replacement Part Numbers 2007.07.04
E4404B Modification Recommended E4404B-17 RF compatibility check for the upgrade option B7D/B7E. 2006.10.16
E4404B Information Only E4404B-18 LO Amplitude Adjustment not required for certain vintage of RF assembly 2007.02.02
E4405B Modification Recommended E4405B-03 New flex circuit prevents dendrite growth/short circuits 2000.04.30
E4405B Safety E4405B-04-S Defective handle may cause personal injury or equipment damage 2000.02.29
E4405B Modification Recommended E4405B-06 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E4405B Modification Recommended E4405B-07 Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) 2002.02.14
E4405B Modification Recommended E4405B-08 Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests 2001.10.31
E4405B Modification Recommended E4405B-09 Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV 2002.11.07
E4405B Modification Recommended E4405B-10 Replace Micron DRAM SIMMS from the A4, CPU assembly 2002.02.14
E4405B Modification Available E4405B-13 Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. 2004.04.01
E4405B Information Only E4405B-14 Input attenuator switching appears to be incorrect 2005.02.11
E4405B Information Only E4405B-15A A8A1 RF Assembly Replacement Part Numbers 2007.07.04
E4405B Modification Recommended E4405B-17 RF compatibility check for the upgrade option B7D/B7E. 2006.10.16
E4405B Information Only E4405B-18 LO Amplitude Adjustment not required for certain vintage of RF assembly 2007.02.02
E4406A Safety E4406A-06-S Left side handle under abnormal or irregular conditions may fail 1999.12.28
E4406A Modification Recommended E4406A-07 A10 Digital IF Assembly and A22 Processor Assy can become partially unplugged 2001.06.05
E4407B Modification Recommended E4407B-03 New flex circuit prevents dendrite growth/short circuits 2000.04.30
E4407B Safety E4407B-04-S Defective handle may cause personal injury or equipment damage 2000.04.04
E4407B Safety E4407B-04A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E4407B Modification Recommended E4407B-06 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E4407B Modification Recommended E4407B-07 Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) 2002.02.14
E4407B Modification Recommended E4407B-08 Instruments that have firmware revision less than or equal to A.05 will fail frequency response performance tests 2001.10.31
E4407B Modification Recommended E4407B-09 Replace A7A6 U51 to solve a problem with displaying PAL and SECAM TV 2002.11.07
E4407B Modification Recommended E4407B-10 Replace Micron DRAM SIMMS from the A4, CPU assembly 2002.02.14
E4407B Modification Available E4407B-13 Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. 2004.04.01
E4407B Information Only E4407B-14 Input attenuator switching appears to be incorrect 2005.02.11
E4407B Information Only E4407B-15A A8A1 RF Assembly Replacement Part Numbers 2007.07.04
E4407B Modification Recommended E4407B-17 RF compatibility check for the upgrade option B7D/B7E. 2006.10.16
E4407B Information Only E4407B-18 LO Amplitude Adjustment not required for certain vintage of RF assembly 2007.02.02
E4408B Modification Recommended E4408B-03 New flex circuit prevents dendrite growth/short circuits 2000.04.30
E4408B Safety E4408B-04-S Defective handle may cause personal injury or equipment damage 2000.04.04
E4408B Safety E4408B-04A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E4408B Modification Recommended E4408B-06 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E4408B Modification Recommended E4408B-07 Defective Field Effect Transistors may cause L.O. Unlevel or Source L.O. Unlevel error message(s) 2002.02.14
E4408B Modification Available E4408B-09 Incorrectly manufactured transformer inside the 2nd Converter causes no L.O. Feedthrough or other input signals to be displayed on initial power up. 2004.04.01
E4408B Information Only E4408B-10 Input attenuator switching appears to be incorrect 2005.02.11
E4408B Information Only E4408B-11A A8A1 RF Assembly Replacement Part Numbers 2007.07.04
E4408B Information Only E4408B-12 LO Amplitude Adjustment not required for certain vintage of RF assembly 2007.02.02
E4411A Safety E4411A-22-S Defective handle may cause personal injury or equipment damage 2000.04.04
E4411B Modification Recommended E4411B-03 Frequency response (less than 50kHz) may fail the +/- 0.5dB table 1.1 spec 2000.10.24
E4411B Modification Recommended E4411B-04 New flex circuit prevents dendrite growth/short circuits 2000.04.30
E4411B Safety E4411B-05-S Defective handle may cause personal injury or equipment damage 2000.04.04
E4411B Safety E4411B-05A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E4411B Modification Recommended E4411B-07 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E4411B Modification Recommended E4411B-08 Firmware Update to Fix High Noise Floor on the Analyzer Screen. 2002.01.13
E4416A Modification Available E4416A-01 RS422 Serial Communication Interface Disabled 2001.02.22
E4416A Safety E4416A-02B-S HI-POT procedure for earth leakage and earth continuity 2013.12.01
E4416A Information Only E4416A-03 Latent daughter board defect creating a measurement board error 2001.11.06
E4416A Modification Recommended E4416A-04 Latent Defect Causes Calibrator To Fail Built in Self Test 2003.02.20
E4416A Information Only E4416A-05 Replacing A Defective Rivet-Fit Line Module 2003.03.26
E4416A Modification Recommended E4416A-06 Compatibility Issue With Long Power Sensor Cables 2004.01.28
E4416A Information Only E4416A-07 Firmware Bug May Cause Triggering Problems 2004.04.02
E4416A Information Only E4416A-08 Front Panel Repair Procedure 2004.04.19
E4416A Information Only E4416A-09 Common Problems That may Not Be Caused By An Instrument Fault. 2005.01.31
E4416A Modification Recommended E4416A-10 Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions 2005.04.13
E4416A Modification Recommended E4416A-11A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4416A Modification Recommended E4416A-12A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4416A Information Only E4416A-13A Compatibility between front panel assembly and processor assembly. 2009.03.04
E4416A Modification Recommended E4416A-15A Power Meter Display Shrink 2010.06.27
E4416A Modification Recommended E4416A-16 Overload Failure in W-CDMA & HSDPA Signal Measurement when RF Input Exceeds -1dBm 2011.10.02
E4416A Information Only E4416A-17 Self-Test ‘Display Assy.’ report false failure with firmware version A1.05.01 2012.08.02
E4416A Modification Recommended E4416A-18 1mW Power Reference Failure 2022.09.18
E4417A Modification Available E4417A-01 RS422 Serial Communication Interface Disabled 2001.02.22
E4417A Safety E4417A-02B-S HI-POT procedure for earth leakage and earth continuity 2013.12.01
E4417A Information Only E4417A-03 Latent daughter board defect creating a measurement board error 2001.11.06
E4417A Modification Recommended E4417A-04 Latent Defect Causing Calibrator To Fail Built 1n Self Test 2003.02.20
E4417A Information Only E4417A-05 Replacing A Defective Rivet-Fit Line Module 2003.03.26
E4417A Modification Recommended E4417A-06 Compatibility Issue With Long Power Sensor Cables 2004.01.28
E4417A Information Only E4417A-07 Firmware Bug may Cause Triggering Problems 2004.04.02
E4417A Information Only E4417A-08 Front Panel Repair Procedure 2004.04.14
E4417A Information Only E4417A-09 Common Problems That May Not Be Caused By An Instrument Fault. 2005.01.31
E4417A Modification Recommended E4417A-10 Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions 2004.04.13
E4417A Modification Recommended E4417A-11A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4417A Modification Recommended E4417A-12A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4417A Information Only E4417A-13A Compatibility between front panel assembly and processor assembly. 2009.03.04
E4417A Modification Recommended E4417A-15 Overload Failure in W-CDMA & HSDPA Signal Measurement when RF Input Exceeds -1dBm 2011.10.02
E4417A Modification Recommended E4417A-15A Power Meter Display Shrink 2010.06.27
E4417A Information Only E4417A-17 Self-Test ‘Display Assy.’ report false failure with firmware version A2.05.01 2012.08.02
E4417A Modification Recommended E4417A-18 Calibrations performed on some Dual-Channel Power Meters by Agilent Technologies between February 6th, 2012 and February 6th, 2014 show a pass in the OUTPUT SWR; OUTPUT SWR(REAR PANEL) test, even if the SWR value is < 1. 2014.02.24
E4417A Modification Recommended E4417A-19 1mW Power Reference Failure 2022.09.18
E4418A Safety E4418A-07-S HI-POT procedure for earth leakage and earth continuity 2001.06.30
E4418A Information Only E4418A-09 New Replacement for Power Supply 2016.05.31
E4418B Modification Recommended E4418B-01 Intermittent GPIB Communication Problems 2000.01.17
E4418B Modification Recommended E4418B-02 Premature RAM Backup Battery Failure 2000.01.18
E4418B Modification Recommended E4418B-02A Premature RAM Backup Battery Failure 2011.12.13
E4418B Modification Recommended E4418B-03 Premature RAM Backup Battery Failure 2000.01.18
E4418B Modification Recommended E4418B-03A Premature RAM Backup Battery Failure in E4418B option 001 units 2011.12.13
E4418B Modification Recommended E4418B-04A Remove & Refit Outer Cover To Fix EMI Gasket Issues. 2003.08.04
E4418B Modification Recommended E4418B-05A GPIB Problems using the E4418B in HP 436A/437B Emulation Modes 2000.11.06
E4418B Modification Recommended E4418B-06 Defective fuse holder clips in line module 2000.11.08
E4418B Modification Recommended E4418B-07A Premature RAM Backup Battery Failure 2003.12.15
E4418B Safety E4418B-08A-S Correct Orientation of the Power Supply’s Force-fit Connector 2012.01.02
E4418B Modification Available E4418B-09 RS422 Serial communication interface disabled 2001.02.11
E4418B Safety E4418B-10C-S HI-POT procedure for earth leakage and earth continuity 2013.12.01
E4418B Information Only E4418B-11 Latent measurement assembly defect creating an input overload error. 2001.11.08
E4418B Modification Recommended E4418B-12 Latent Defect Causing Calibrator To Fail Built in Self Test 2003.02.20
E4418B Information Only E4418B-13 Replacing A Defective Rivet-Fit Line Module 2003.03.26
E4418B Information Only E4418B-14 Front Panel Repair Procedure 2004.04.19
E4418B Information Only E4418B-15 Common problems that may not be caused by an instrument fault. 2005.01.31
E4418B Modification Recommended E4418B-16 Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions 2005.04.13
E4418B Modification Recommended E4418B-17A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4418B Modification Recommended E4418B-18A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4418B Modification Recommended E4418B-20 Hot plugging problem caused by analog switches (U11) under the measurement board assembly (E4418-60007) 2008.04.28
E4418B Information Only E4418B-21A Compatibility between front panel assembly and processor assembly. 2009.03.04
E4418B Modification Recommended E4418B-22A Power Meter Display Shrink 2010.06.27
E4418B Modification Recommended E4418B-23 Calibrations performed on some Single/Dual-Channel Power Meters by Agilent Technologies between February 6th, 2012 and February 6th, 2014 show a pass in the OUTPUT SWR; OUTPUT SWR (REAR PANEL) test, even if the SWR value is < 1. 2014.02.24
E4419A Safety E4419A-08-S HI-POT procedure for earth leakage and earth continuity 2001.06.30
E4419A Information Only E4419A-10 New Replacement for Power Supply 2016.05.31
E4419B Modification Recommended E4419B-02 Premature RAM Backup Battery Failure 2000.01.17
E4419B Modification Recommended E4419B-03 Premature RAM Backup Battery Failure 2000.01.17
E4419B Modification Recommended E4419B-04A Remove & Refit Outer Cover to Fix EMI Gasket Issues 2003.08.04
E4419B Modification Recommended E4419B-05 GPIB Problems using the E4418B in HP 436A/437B Emulation Modes 2000.11.06
E4419B Modification Recommended E4419B-06 Defective fuse holder clips in line module 2000.11.08
E4419B Modification Recommended E4419B-07A Premature RAM Backup Battery Failure 2003.12.15
E4419B Safety E4419B-08A-S Correct Orientation of the Power Supply’s Force-fit Connector 2012.01.02
E4419B Modification Available E4419B-09 RS422 serial communication interface disabled 2001.02.12
E4419B Safety E4419B-10C-S HI-POT procedure for earth leakage and earth continuity 2013.12.01
E4419B Information Only E4419B-11 Latent measurement defect creating an input overload error. 2001.11.08
E4419B Modification Recommended E4419B-12 Latent Defect Causes Calibrator To Fail Built in Self Test 2003.02.20
E4419B Information Only E4419B-13 Replacing A Defective Rivet-Fit Line Module 2003.03.26
E4419B Information Only E4419B-14 Front Panel Repair Procedure 2004.04.19
E4419B Information Only E4419B-15 Common Problems That May Not BE Caused By An Instrument Fault. 2005.01.31
E4419B Modification Recommended E4419B-16 Front Panel Dimension Might Not Be Suitable For Rack Mounting Solutions 2005.04.13
E4419B Modification Recommended E4419B-17A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4419B Modification Recommended E4419B-18A Front Panel Display Problems Caused by Power Assembly Cable 2005.12.04
E4419B Modification Recommended E4419B-19B Hot plugging problem caused by analog switches (U11) under the measurement board assembly (E4418-60007) 2008.04.27
E4419B Information Only E4419B-21A Compatibility between front panel assembly and processor assembly. 2009.03.04
E4419B Modification Recommended E4419B-22A Power Meter Display Shrink 2010.06.27
E4419B Modification Recommended E4419B-23 Calibrations performed on some Single/Dual-Channel Power Meters by Agilent Technologies between February 6th, 2012 and February 6th, 2014 show a pass in the OUTPUT SWR; OUTPUT SWR(REAR PANEL) test, even if the SWR value is < 1. 2014.02.24
E4420B Information Only E4420B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4420B Information Only E4420B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4421B Information Only E4421B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4421B Information Only E4421B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4422B Information Only E4422B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4422B Information Only E4422B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4428C Modification Available E4428C-03A DC blocking capacitor, from RLC supplier may cause a power drop of approximately 20dBm 2007.09.10
E4428C Modification Recommended E4428C-09B OLD Power supply warranted replacement on failure. 2010.04.06
E4428C Modification Recommended E4428C-11A Intermittent CPU boot-up and/or No display 2011.06.01
E4428C Modification Recommended E4428C-13 For the DC FM Carrier Offset test, when the 10 MHz reference is not connected between the ESG-C and the Frequency Counter, all measurement results will be zero. 2014.05.18
E4430B Information Only E4430B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4430B Information Only E4430B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4431B Information Only E4431B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4431B Information Only E4431B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4432B Information Only E4432B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4432B Information Only E4432B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4432B Information Only E4432BH99-01C No or low RF output failure symptoms associated with the failure of output board. E4430-60188 used in all ESG-B option H99 products. E4430B, E4431B, E4432B, E4433B, E4434B, E4435B, E4436B anf E4437B. 2005.07.18
E4433B Information Only E4433B-09 Power level accuracy (PLA) failure due to combination of WinXP and faster processor speed (>2.5GHz). 2006.08.22
E4433B Information Only E4433B-10 Managing the ESG-B Classis Software vs the ESG-B TME software 2007.07.19
E4438C Modification Recommended E4438C-01 Replace A11 BER Board Assembly to correct Clock/Gate Delay. 2002.05.06
E4438C Modification Recommended E4438C-07 Failure symptom is rebooting repeatedly or power cycling. This problem is intermittent and can be associated to the CPU board. 2005.03.23
E4438C Modification Recommended E4438C-09 Error Message may appear on in the E4438C error que while the unit is booting up. 2005.11.03
E4438C Modification Recommended E4438C-11 Fails Residual FM performance test.This service note only applies to instruments that do not have the Base band generator option (001, 002, 601 or 602) installed and are not option UNJ. 2005.11.27
E4438C Modification Available E4438C-14A Customers with E4438C’s with failing Frac-N assembly, E8251-60044 are eligible to have their product repaired at Agilent’s expense until 1NOV2007. 2006.10.24
E4438C Modification Available E4438C-15A Customers with E4438C’s with failing Hard disk drives E4400-60253 are eligible to have their product repaired at Agilent’s expense. 2007.06.25
E4438C Modification Recommended E4438C-16 E4438C units with option 300 which are used in base station test system have experienced intermittent PDCH sync lock errors while using the 10 MHz out connection as the reference for another device. 2007.01.22
E4438C Modification Available E4438C-18A DC blocking capacitor, from RLC supplier may cause a power drop of approximately 20dBm 2007.09.10
E4438C Modification Recommended E4438C-23A Intermittent CPU boot-up and/or No display 2011.06.01
E4438C Modification Recommended E4438C-26 For the DC FM Carrier Offset test, when the 10 MHz reference is not connected between the ESG-C and the Frequency Counter, all measurement results will be zero. 2014.05.18
E4440A Information Only E4440A-05A Error code +605 caused when CPU NVRAM battery dies 2005.06.20
E4440A Information Only E4440A-10 Run the Frequency Response (All Bands) Adjustment after replacing the A10 Third Converter 2004.04.14
E4440A Information Only E4440A-14A Help in determining MPC for No trouble founds 2005.12.20
E4440A Modification Available E4440A-16 Tuned RF Level Range 2 to Range 3 Switching Time Improvement 2008.06.25
E4440A Information Only E4440A-18A Rear Panel Label Available to Indicate When Battery Should be Replaced 2010.08.17
E4440A Modification Recommended E4440A-20 Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly 2010.08.17
E4443A Information Only E4443A-04A Error code +605 caused when CPU NVRAM battery dies 2005.06.20
E4443A Information Only E4443A-09 Run the Frequency Response (All Bands) Adjustment after replacing the A10 Third Converter 2004.04.14
E4443A Information Only E4443A-13A Help in determining MPC for No trouble founds 2005.12.20
E4443A Modification Available E4443A-15 Tuned RF Level Range 2 to Range 3 Switching Time Improvement 2008.06.25
E4443A Information Only E4443A-17A Rear Panel Label Available to Indicate When Battery Should be Replaced 2010.08.17
E4443A Modification Recommended E4443A-19 Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly 2010.08.17
E4445A Information Only E4445A-04A Error code +605 caused when CPU NVRAM battery dies 2005.06.20
E4445A Information Only E4445A-09 Run the Frequency Response (All Bands) Adjustment after replacing the A10 Third Converter 2004.04.14
E4445A Information Only E4445A-13A Help in determining MPC for No trouble found 2005.12.20
E4445A Modification Available E4445A-15 Tuned RF Level Range 2 to Range 3 Switching Time Improvement 2008.06.25
E4445A Information Only E4445A-17A Rear Panel Label Available to Indicate When Battery Should be Replaced 2010.08.17
E4445A Modification Recommended E4445A-19 Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly 2010.08.17
E4446A Information Only E4446A-02A Error code +605 caused when CPU NVRAM battery dies 2005.06.20
E4446A Modification Recommended E4446A-07 Instruments with Firmware version A.05.06 may fail frequency response above 26.4 GHz or above. This issue is only observed with PSA Firmware version A.05.06. 2004.03.28
E4446A Information Only E4446A-08 Run the Frequency Response (All Bands) Adjustment after replacing the A10 third Converter 2004.04.14
E4446A Modification Available E4446A-09 Tuned RF Level Range 2 to Range 3 Switching Time Improvement 2008.07.16
E4446A Information Only E4446A-11A Rear Panel Label Available to Indicate When Battery Should be Replaced 2010.08.17
E4446A Modification Recommended E4446A-13 Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly 2010.08.17
E4447A Modification Available E4447A-01 Tuned RF Level Range 2 to Range 3 Switching Time Improvement 2008.06.25
E4447A Information Only E4447A-03A Rear Panel Label Available to Indicate When Battery Should be Replaced 2010.08.17
E4447A Modification Recommended E4447A-04 Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly 2010.08.17
E4448A Modification Recommended E4448A-01 A12 LO Synthesizer Board may require memory initialization 2002.09.29
E4448A Information Only E4448A-03A Error code +605 caused when CPU NVRAM battery dies 2005.06.20
E4448A Modification Recommended E4448A-08 Instruments with Firmware version A.05.06 may fail frequency response above 26.4 GHz or above. This issue is only observed with PSA Firmware version A.05.06. 2004.03.28
E4448A Information Only E4448A-09 Run the Frequency Response (All Bands) Adjustment after replacing the A10 Third Converter 2004.04.14
E4448A Information Only E4448A-10A Help in determining MPC for No trouble found 2005.12.20
E4448A Modification Available E4448A-11 Tuned RF Level Range 2 to Range 3 Switching Time Improvement 2008.06.25
E4448A Information Only E4448A-13A Rear Panel Label Available to Indicate When Battery Should be Replaced 2010.08.17
E4448A Modification Recommended E4448A-15 Internal Alignment Failures for PSA Series Spectrum Analyzers Manufactured Between January 2004 and February 2006 Caused by Low Power Output from A9A1 DRO on A9 Second LO Assembly 2010.08.17
E4456B Modification Recommended E4456B-01 Mod to replace incorrect 110V relays in 220-240V units 2000.11.08
E4809A Information Only E4809A-01 Giga clock output termination 2005.05.23
E4810A Information Only E4810A-03 Oily fluid dripping out of the module 2005.05.24
E4811A Information Only E4811A-03 Oily fluid dripping out of the module 2005.05.24
E4861B Information Only E4861B-01 New part numbers for exchange and replacement parts. 2006.02.09
E4862A Information Only E4862A-03 Oily fluid dripping out of the module 2005.05.24
E4862B Information Only E4862B-03 Oily fluid dripping out of the module 2005.05.24
E4862B Information Only E4862B-04A New part numbers for exchange and replacement parts. 2006.02.09
E4863A Information Only E4863A-03 Oily fluid dripping out of the module 2005.05.24
E4863B Information Only E4863B-03 Oily fluid dripping out of the module 2005.05.24
E4863B Information Only E4863B-04 New part numbers for exchange and replacement parts. 2006.02.09
E4864A Information Only E4864A-03 Oily fluid dripping out of the module 2005.05.24
E4865A Information Only E4865A-03 Oily fluid dripping out of the module 2005.05.24
E4915A Priority Safety E4915A-03-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
E4916A Priority Safety E4916A-03-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
E4980A Modification Recommended E4980A-01B Power supply for E4980A might be defective due to its design 2014.02.13
E4980A Priority Safety E4980A-02B-S There is an unlikely possibility of an electrical shock hazard 2007.03.18
E4980A Safety E4980A-02C-S There is an unlikely possibility of an electrical shock hazard 2007.03.18
E4980A Safety E4980A-02D-S There is an unlikely possibility of an electrical shock hazard 2023.02.26
E4980A Modification Recommended E4980A-03 Firmware update to fix the problem that “*OPC?” command returns “+1” 2006.10.04
E4980A Modification Recommended E4980A-04 Firmware update to fix “:LIST:STM:TYPE command error 2006.10.04
E4980A Modification Recommended E4980A-05 Firmware update to fix the problem that E43 may be displayed while open/short correction is performed 2006.10.04
E4980A Modification Available E4980A-06 The E4980A freezes when receiving “FETCh?” immediately after Open/Short compensation. 2007.12.02
E4980A Information Only E4980A-10A LCD Display Part Number Change 2015.10.06
E4980A Information Only E4980A-11 Concepts of LCR/ Impendence Measurement Techniques and Calibration Methodologies 2016.12.20
E4980A Modification Recommended E4980A-16A E4980A cannot power on due to PSU malfunction 2019.07.01
E4980A Modification Recommended E4980A-20 E4980A/AL Keypad Stuck While Using Instrument 2021.10.13
E4980AL Information Only E4980AL-03 LCD Display Part Number Change 2018.05.16
E4980AL Information Only E4980AL-04 Concepts of LCR/ Impendence Measurement Techniques and Calibration Methodologies 2018.05.16
E4980AL Information Only E4980AL-06 E4980A/AL – Option 301 Scanner Upgrade Guide 2018.05.16
E4980AL Modification Recommended E4980AL-09A E4980AL cannot power on due to PSU malfunction 2019.07.01
E4980AL Modification Recommended E4980AL-13 E4980A/AL Keypad Stuck While Using Instrument 2021.10.13
E4981A Information Only E4981A-03 Check Cable Outer Resistance condition before performing Impedance Measurement Accuracy Test at 1 pF 2011.01.26
E4981A Information Only E4981A-04A A31 Digital Board Replacement Procedure 2018.08.16
E4981A Information Only E4981A-05A LCD Display Part Number Change 2015.10.06
E4981A Modification Recommended E4981A-06 Overload error occurs while Autor-anging with low temperature 2015.06.04
E4981A Modification Recommended E4981A-07A E4981A cannot power on due to PSU malfunction 2019.07.01
E4981A Modification Recommended E4981A-09B D value deviation issue 2019.07.21
E4981A Modification Recommended E4981A-10 C value deviation issue at 1MHz, 1pF range, 1m/2m cable 2019.10.21
E4981A Modification Recommended E4981A-12 E4981A Keypad Stuck While Using Instrument 2021.10.13
E4982A Information Only E4982A-01 Use user’s 16195B, when performing the E4982A performance test 2014.02.04
E4982A Information Only E4982A-02 E4982A LCD Touch Panel Display Assembly Replacement Part Change 2014.02.18
E4982A Information Only E4982A-03 LCD Touch Panel Assembly – Stuck/ Dead pixel specification. 2014.08.04
E4982A Information Only E4982A-05A CPU-FAN failure 2016.08.22
E4982A Information Only E4982A-10 Default Settings for Administrator Account in Windows 10 2021.03.26
E4990A Modification Recommended E4990A-01 Incorrect data in touchstone file (S1P file) 2015.04.08
E4990A Information Only E4990A-02A E4990A Chassis Assembly and Rear Panel replacement part number change. 2019.02.20
E4990A Information Only E4990A-06 CPU-FAN failure 2016.10.04
E4990A Information Only E4990A-07 Firmware Update to Fix E4990A-010 Adapter Setup Issue 2017.01.24
E4990A Information Only E4990A-09A E4990A A5 TRD module failure – EOS (Electrical Overstress) identification and recommended handling by Service Center 2017.08.07
E4991A Information Only E4991A-01 HDD repair procedure is changed 2005.01.13
E4991A Information Only E4991A-02B Part Number Change for the LAN I/F Card, the CPU part, ISA GPIB Card and LCD (Windows98 compliance) 2007.02.21
E4991A Modification Recommended E4991A-03 Abrupt hang-up in continuous measurements 2007.02.06
E4991A Information Only E4991A-04 While replacing A20 Digital Mother Board, use the new part-numbers 2007.04.24
E4991A Information Only E4991A-05 This service note provides the updated part numbers and figures for both RoHS and non-RoHS E4991A-007 Temperature Characteristic Test Kit. 2013.05.08
E4991A Information Only E4991A-06 Digital Motherboard Part Number change 2014.01.21
E4991B Information Only E4991B-01A E4991B Chassis Assembly and Rear Panel replacement part number change. 2019.01.11
E4991B Information Only E4991B-06A E4991BU Option 007 Temperature Characteristic Test Kit Installation Procedure 2023.04.10
E4991B Information Only E4991B-08 CPU-FAN failure 2016.10.04
E4991B Information Only E4991B-09 Firmware Update to Fix Diagnostic Test Z Measurement Open/Short Fail. 2017.04.10
E5000A Priority Safety E5000A-01-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
E5010B Modification Recommended E5010B-01 Modification for the trouble 2002.11.04
E5022B Modification Recommended E5022B-02 Measurements related to the E5038A operation may be performed incorrectly 2004.10.18
E5023A Information Only E5023A-01 Solution to problem on B.01.20 with Windows 95 2001.11.07
E5023A Modification Recommended E5023A-02 No write signal output from the E5043A Head Amplifier Control Unit. 2002.11.06
E5023A Modification Recommended E5023A-03 Replace E5037C/D Data Generator Module when it does not output Ref Out signal,(10 MHz). 2004.03.14
E5023A Modification Recommended E5023A-04 Measurements related to the E5038B operation may be performed incorrectly. 2004.10.18
E5052A Modification Recommended E5052A-01 One or two units might have been shipped with wrong keypad rubber 2004.09.20
E5052A Modification Recommended E5052A-02 Abnormal Shutdown due to Power Supply Voltage drop 2006.04.09
E5052A Modification Recommended E5052A-03 A2 Board Not Seated in the Slot Properly 2006.05.09
E5052A Information Only E5052A-04 When replacing A3 with firmware 2.0 or below, the E5052A does not boot up. 2007.01.30
E5052A Information Only E5052A-05 When replacing A51LCD, fasten the TORX T15 screws using a torque screwdriver (set to 1.02 N-m / 9.0 lb-in). 2007.05.31
E5052A Modification Recommended E5052A-06 When step attenuaotor on A1 board fails, replace with A1 board. 2007.07.22
E5052A Modification Recommended E5052A-07 Tripping issue of GFI (Ground Fault Interrupter. 2008.05.12
E5052B Information Only E5052B-04A Automatically shut down after a few seconds beeping occurs when user turns on the instrument 2014.01.10
E5052B Information Only E5052B-06 LCD Touch Panel Assembly – Stuck/ Dead pixel specification. 2014.08.04
E5052B Information Only E5052B-08D CPU Module Part Number Change 2019.09.23
E5052B Information Only E5052B-12B Re-imaging instruction 2018.05.16
E5052B Information Only E5052B-14 CPU-FAN failure 2018.10.15
E5053A Modification Recommended E5053A-01 Power supply for E5053A might be defective due to its design 2006.07.25
E5053A Information Only E5053A-02 One or more of the secondary power supplies (+9V, +12V, +15V or -15V) on Channel 2 of the A12 PIS/DIGIFUL I.F. assembly (E5053-62012) are in error, due to Flat Cable Assembly short out. 2006.10.05
E5055A Information Only E5055A-01 How to handle optional licenses which customers purchased in return to factory (RTF) process 2023.02.20
E5055A Modification Recommended E5055A-02 DDS modification to improve performance 2023.03.02
E5060A Priority Safety E5060A-01-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
E5061A Information Only E5061A-01 Install security patches to protect E5061A/E5062A operating system, (OS), aganist ""Sasser Worm"" infection. 2004.06.30
E5061A Modification Recommended E5061A-02A One or two units might have been shipped with wrong keypad rubber 2004.09.20
E5061A Modification Recommended E5061A-03B A1 source board failure due to external DC voltage transient 2007.03.25
E5061A Modification Recommended E5061A-04A A2 receiver board fails System Dynamic Range specification due to a very few clock signal generation component might not work properly. 2006.07.30
E5061A Modification Recommended E5061A-05 “PLL Unlock” Error Message due to A21 Analog Interface Board Failure 2006.10.24
E5061A Information Only E5061A-06 When replacing A51 LCD, fasten the TORX T15 screws using a torque screwdriver (set to 1.02 N-m / 9.0 lb-in) 2007.05.30
E5061A Modification Available E5061A-07 "To strengthen the front USB receptacle, add USB receptacle retention plate" 2009.10.29
E5061A Modification Available E5061A-08B Source level might decrease gradually and become out of spec. 2013.06.19
E5061A Modification Recommended E5061A-09 Tripping issue of GFI (Ground Fault Interrupter) 2010.05.13
E5061B Modification Recommended E5061B-02 A screw for heat sink of CPU board might become loosened. 2010.04.20
E5061B Information Only E5061B-03 E5061B Diagnostic Receiver IF Ranging Test Procedure 2010.07.14
E5061B Modification Recommended E5061B-05 Compatibility issue between Touch Screen Controller and HDD 2012.02.28
E5061B Information Only E5061B-07 A51 DSP Assembly Post-Repair Procedure 2012.06.18
E5061B Information Only E5061B-08 FW boot error due to option info not found 2013.12.16
E5061B Information Only E5061B-09 ENA freezes when Windows update runs 2013.12.20
E5061B Information Only E5061B-10A Automatically shut down after a few seconds beeping occurs when user turns on the instrument 2016.05.13
E5061B Information Only E5061B-11 E5061B LCD Touch Panel Display Assembly Replacement Part Change 2014.02.18
E5061B Information Only E5061B-14 LCD Touch Panel Assembly – Stuck/ Dead pixel specification. 2014.08.04
E5061B Information Only E5061B-26 RF Output Level Power Sweep Test fails in Diagnostic Test (Rev: B.01.95) 2024.07.10
E5062A Information Only E5062A-01 Install security patches to protect E5061A/E5062A operating system, (OS), aganist ""Sasser Worm"" infection. 2004.06.30
E5062A Modification Recommended E5062A-02A One or two units might have been shipped with wrong keypad rubber 2004.09.20
E5062A Modification Recommended E5062A-03B A1 source board failure due to external DC voltage transient 2005.10.19
E5062A Modification Recommended E5062A-04A A2 receiver board fails System Dynamic Range specification due to a very few 2006.07.30
E5062A Modification Recommended E5062A-05 “PLL Unlock” Error Message due to A21 Analog Interface Board Failure 2006.10.24
E5062A Information Only E5062A-06 When replacing A51 LCD, fasten the TORX T15 screws using a torque screwdriver (set to 1.02 N-m / 9.0 lb-in) 2007.05.30
E5062A Modification Available E5062A-07 "To strengthen the front USB receptacle, add USB receptacle retention plate" 2009.10.29
E5062A Modification Available E5062A-08B Source level might decrease gradually and become out of spec. 2013.06.19
E5062A Modification Recommended E5062A-09 Tripping issue of GFI (Ground Fault Interrupter) 2010.05.13
E5063A Information Only E5063A-01 Failed to Initializing DSP error 2014.02.04
E5063A Information Only E5063A-02 LCD Touch Panel Assembly – Stuck/ Dead pixel specification. 2014.08.04
E5063A Information Only E5063A-03 E5063A Chassis Assembly and Rear Panel replacement part number change. 2015.05.26
E5063A Information Only E5063A-04 CPU-FAN failure 2016.08.22
E5063A Information Only E5063A-09B New Touch Panel & Touch Panel Controller Available with LF Updates and Digital Interface Option 2017.09.07
E5063A Information Only E5063A-15 E5063A Dynamic Accuracy specification. 2018.10.23
E5063A Modification Recommended E5063A-16 Internal circuit short of A3 board 2019.07.09
E5070A Information Only E5070A-08B New Parts to perform attenuator upgrade have become unavailable. Refurbished parts are now available 2017.07.10
E5070B Modification Recommended E5070B-01 Handler I/O pin's threshold may be out of typical characteristics. 2003.01.29
E5070B Information Only E5070B-02F Part number change for A20 DIGITAL MOTHERBOARD assembly and related parts 2007.02.07
E5070B Information Only E5070B-03B Install security patches to protect E5070B/E5071B operating system, (OS), against ""Blaster Worm"" and ""Sasser Worm"" infection 2004.07.13
E5070B Information Only E5070B-04 GPIB card assembly (A24) part number change 2004.01.09
E5070B Information Only E5070B-05A A4 power amp module, A8 RF switch, A7 source step attenuator assembly, and semi-rigid RF cables parts number change. 2004.04.05
E5070B Modification Recommended E5070B-06E Change the RF signal path configuration and update firmware to 5.02 or later to improve the input damage level tolerance 2007.04.19
E5070B Information Only E5070B-07C When replace A1 SOURCE BOARD from E5071-6x551 or E5071-6x561 to E5071-6x571 in repair, update E5070B Operating System at the same time 2005.05.27
E5070B Modification Recommended E5070B-09A One or two units might have been shipped with wrong keypad rubber 2004.09.20
E5070B Information Only E5070B-10B Update procedure of disk image(operating system) for E5070B 2006.02.15
E5070B Modification Recommended E5070B-11A Boot Up Failures at Power-On Require Replacement of 10 GB Hard Disk Drive 2007.05.29
E5070B Information Only E5070B-12E New Parts to perform attenuator upgrade have become unavailable. Refurbished parts are now available 2017.07.10
E5070B Modification Recommended E5070B-13 “PLL Unlock” Error Message due to A21 Analog Interface Board Failure 2006.10.04
E5070B Modification Recommended E5070B-14 Firmware update is failed with CP300 HDD image, while updating firmware to FW Rev.A.08.00 or later 2007.03.05
E5070B Information Only E5070B-15 When replacing A51 LCD, fasten the TORX T15 screws using a torque screwdriver (set to 1.02 N-m / 9.0 lb-in) 2007.05.30
E5070B Modification Available E5070B-17 To strengthen the front USB receptacle, add USB receptacle retention plate. 2009.11.10
E5070B Modification Recommended E5070B-18 Tripping issue of GFI (Ground Fault Interrupter) 2010.05.13
E5071A Information Only E5071A-08B New Parts to perform attenuator upgrade have become unavailable. Refurbished parts are now available 2017.07.10
E5071B Modification Recommended E5071B-01 Handler I/O pin's threshold may be out of typical characteristics. 2003.01.29
E5071B Information Only E5071B-02F Part number change for A20 DIGITAL MOTHERBOARD assembly and related parts 2007.02.06
E5071B Modification Available E5071B-03B Install security patches to protect E5070B/E5071B operating system,(OS), aganist ""Blaster Worm"" and ""Sasser Worm"" infection. 2004.07.12
E5071B Information Only E5071B-04 GPIB card assembly (A24) part number change 2004.01.09
E5071B Information Only E5071B-05A A4 power amp module, A8 RF switch, A7 source step attenuator assebly and semi-rigid RF cables parts number change. 2004.04.05
E5071B Modification Recommended E5071B-06E Change the RF signal path configuration and update firmware to 5.02 or later to improve the input damage level tolerance 2007.04.19
E5071B Information Only E5071B-07C When replace A1 SOURCE BOARD from E5071-6x551 or E5071-6x561 to E5071-6x571 in repair, update E5071B Operating System at the same time 2005.05.27
E5071B Modification Recommended E5071B-09A One or two units might have been shipped with wrong keypad rubber 2004.09.20
E5071B Information Only E5071B-10B Update procedure of disk image (operating system) for E5071B 2006.02.15
E5071B Modification Recommended E5071B-11A Boot Up Failures at Power-On Require Replacement of 10 GB Hard Disk Drive 2007.05.29
E5071B Information Only E5071B-12E New Parts to perform attenuator upgrade have become unavailable. Refurbished parts are now available 2017.07.10
E5071B Modification Recommended E5071B-13 “PLL Unlock” Error Message due to A21 Analog Interface Board Failure 2006.10.04
E5071B Modification Recommended E5071B-14 Firmware update is failed with CP300 HDD image, while updating firmware to FW Rev.A.08.00 or later 2007.03.05
E5071B Information Only E5071B-15 When replacing A51 LCD, fasten the TORX T15 screws using a torque screwdriver (set to 1.02 N-m / 9.0 lb-in) 2007.05.30
E5071B Modification Available E5071B-17 To strengthen the front USB receptacle, add USB receptacle retention plate. 2009.11.10
E5071B Modification Recommended E5071B-18 Tripping issue of GFI (Ground Fault Interrupter) 2010.05.13
E5071C Information Only E5071C-01 When replacing Inverter Board and LCD, fasten the TORX T15 screws using a torque screwdriver (set to 1.02 N-m / 9.0 lb-in) 2007.06.06
E5071C Modification Available E5071C-02 "To strengthen the front USB receptacle, add USB receptacle retention plate" 2009.10.28
E5071C Modification Recommended E5071C-03B Tripping issue of GFI (Ground Fault Interrupter) 2013.06.05
E5071C Modification Recommended E5071C-06 The S11 trace shows strange spurs at 68M to 2.1G, when the E5071C operator changes stop frequency to 6G, 6.5G, 7G etc. 2010.08.08
E5071C Information Only E5071C-07 Firmware update information 2010.08.24
E5071C Modification Recommended E5071C-08 The measurement data is unstable due to a Receiver Port degradation, though a user performs calibration. 2010.10.17
E5071C Information Only E5071C-09A Receiver IF Ranging Test fails, though all the Performance Tests pass. 2011.04.21
E5071C Information Only E5071C-13A Step Attenuator Replacement Procedure 2012.07.03
E5071C Modification Available E5071C-19A Boot up failure (2 LED issue) due to condensation 2012.07.16
E5071C Information Only E5071C-22 This service note communicates on the LCD touch panel assembly replacement procedure and the additional requirements 2012.08.29
E5071C Modification Recommended E5071C-25A Some units might be missing one piece of 2GB RAM in the CPU Module 2015.03.23
E5071C Modification Recommended E5071C-26A Phase shifts 180 degree, due to the mixture of RoHS receiver board and non- RoHS receiver board 2013.06.19
E5071C Information Only E5071C-28B Automatically shut down after a few seconds beeping occurs when user turns on the instrument 2016.05.13
E5071C Information Only E5071C-29 Cal Standard, 85032F Load maintenance cycle 2014.01.28
E5071C Information Only E5071C-30 ENA freezes when Windows update runs 2013.12.20
E5071C Information Only E5071C-31B E5071C LCD Touch Panel Display Assembly Replacement Part Change 2017.07.19
E5071C Information Only E5071C-34E CPU Module Part Number Change 2019.08.19
E5071C Information Only E5071C-37 LCD Touch Panel Assembly – Stuck/ Dead pixel specification. 2014.08.04
E5071C Modification Recommended E5071C-39A Black screen is shown during boot-up due to DSP failure 2014.09.16
E5071C Information Only E5071C-45A Combination between Synthesizer board and firmware 2016.07.01
E5071C Information Only E5071C-48 Compatibility of New DSP Board with E5071C Firmware 2016.11.16
E5071C Information Only E5071C-50A E5071C 3.5mm NMD Connector Care 2017.03.24
E5071C Modification Recommended E5071C-54 E5071C SSD SATA Cable Installation Enhancement for Fixed Data Storage (Opt-019) 2019.08.22
E5071C Information Only E5071C-55 E5071C Touch Panel Controller & Solid State Drive compatibility reference 2021.04.30
E5071C Modification Recommended E5071C-57 Unstable (jumping) signal on preset, due to A86 Doubler board failure 2022.02.01
E5072A Information Only E5072A-03 ENA freezes when Windows update runs 2013.12.20
E5072A Information Only E5072A-04A Automatically shut down after a few seconds beeping occurs when user turns on the instrument 2016.05.13
E5072A Information Only E5072A-05 LCD Touch Panel Assembly – Stuck/ Dead pixel specification. 2014.08.04
E5072A Information Only E5072A-07 Combination between Synthesizer board and firmware 2016.02.16
E5072A Information Only E5072A-08A CPU-FAN failure 2016.08.22
E5072A Information Only E5072A-11 Compatibility of New DSP Board with E5072A Firmware 2016.11.16
E5080A Information Only E5080A-01A CPU-FAN failure 2016.08.22
E5080A Modification Recommended E5080A-04A Phaselock lost error occurs 2016.12.14
E5080A Information Only E5080A-10B Compatibility of receiver board and synthesizer board with E5080A Firmware 2017.06.05
E5080B Modification Recommended E5080B-01 E5080B LVDS Cable Installation Enhancement 2019.09.09
E5080B Modification Recommended E5080B-15 E5080B Automatically restart by itself when it is being powered-off. 2020.11.30
E5080B Information Only E5080B-21 E5080B 3.5mm/ 2.4mm/ 1.85mm Connector Care 2022.03.28
E5080B Information Only E5080B-22 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
E5080B Modification Recommended E5080B-23 Acoustic sound from PSU 2023.12.06
E5080B Modification Recommended E5080B-23A Acoustic sound from PSU 2023.12.13
E5091A Modification Recommended E5091A-01 Correction to Maximum AC Power Consumption label 2002.11.19
E5091A Information Only E5091A-02 Power Supply Switch Part Number Change 2003.08.27
E5091A Information Only E5091A-03 SW2 Coaxial Switch Part Number Change 2003.12.01
E5091A Modification Recommended E5091A-04 Voltage output of Control Line Pin-12 cannot be output due to A3 failure. 2007.02.12
E5100A Modification Recommended E5100A-01 Modification to fix marker target search problem 1995.12.31
E5100A Modification Recommended E5100A-02 Mod fixes I/O Port-C data error 1996.09.12
E5100A Modification Recommended E5100A-03 Mod fixes floppy disk ""Media Uninitialized"" problem 1996.09.12
E5100A Modification Recommended E5100A-04 Mod fixes ""Inpuform"",""Inpurad"", and ""Inpudata"" command errors 1996.09.12
E5100A Modification Recommended E5100A-05 Mod fixes output trace data error 1996.09.12
E5100A Modification Recommended E5100A-06 Mod eliminates excessive beeper sound 1996.09.12
E5100A Modification Recommended E5100A-07 Mod fixes input crosstalk test failure 1996.09.12
E5100A Modification Recommended E5100A-08 Mod fixes incorrect query response for Input 1 port 1996.09.12
E5100A Modification Recommended E5100A-09 Mod fixes error caused by ""Autorec"" file in the floppy disk 1996.09.12
E5100A Modification Recommended E5100A-10 Mod fixes ""-225 out of memory"" error in saving inst data 1996.09.12
E5100A Modification Recommended E5100A-11 Mod fixes incorrect RQS bit data in Status Byte resistor 1996.09.12
E5100A Modification Recommended E5100A-12 Mod prevents unit from hanging up when SMOOTHING is on 1996.09.12
E5100A Modification Recommended E5100A-13 Mod fixes EQUCO? command that returns negative value 1996.09.12
E5100A Modification Recommended E5100A-14 Mod prvnts unit frm hanging up when chan numb set to 3 or 4 1996.09.12
E5100A Modification Recommended E5100A-15 Mod improves unstable phase trace in absolute measurement 1996.09.12
E5100A Modification Recommended E5100A-16 Mod fixes problem where cannot recall saved trace data 1996.09.12
E5100A Modification Recommended E5100A-17 Mod fixes cal interpolation prob when used with a test set 1996.09.12
E5100A Modification Recommended E5100A-18 Mod fixes problem that marker does not respond correctly 1996.09.12
E5100A Modification Recommended E5100A-19 Modification improves brightness problem 1998.03.01
E5100A Modification Recommended E5100A-20 Mod to fix ""EQUCO?"" command problem in admittance display format 1998.10.07
E5100A Modification Recommended E5100A-21 Mod to fix ""PROG:STAT?"" command error in IEEE 64-bit floating point transfer format 1998.11.23
E5100A Modification Recommended E5100A-22 Mod to fix incorrect group delay trace data at first sweep point 1998.11.23
E5100A Modification Recommended E5100A-23 Mod to imrove rotary knob's data adjustment resolution in measuring at narrow sweep span 1998.11.23
E5100A Modification Recommended E5100A-24 Firmware update to fix output setting port on option 003 switched RF 1998.11.23
E5100A Modification Recommended E5100A-25 Mod to fix ""FAIL"" message problem 1998.11.23
E5100A Modification Recommended E5100A-26 Mod to fix list table editor problem when NOP is set over 801 1998.11.23
E5100A Modification Recommended E5100A-27 Mod to fix incorrect bionary data transfer controlled through instrument BASIC 1998.11.23
E5100A Modification Recommended E5100A-28 Mod to fix incorrect measurement data problem 1998.11.23
E5100A Priority Safety E5100A-30-S A broken AC inlet may potentially result in a electric shock hazard 2000.08.31
E5100A Modification Recommended E5100A-31A Source failure with LOW or NO Output Signal. 2002.05.01
E5100A Modification Recommended E5100A-32 "BLIGHT OFF" GP-IB command problem 2001.07.31
E5100A Modification Recommended E5100A-35 Residual response failed around 23.9 MHz and 39.9 MHz 2007.12.11
E5100B Priority Safety E5100B-30-S A broken AC inlet may Potentially result in a electric shock hazard. 2000.08.31
E5250A Modification Recommended E5250A-01 New firmware prevents relay test failures of normal modules 1996.09.12
E5250A Modification Recommended E5250A-02 New firmware corrects Auto Config mode connection problem 1996.11.21
E5250A Information Only E5250A-03 Hints on Isolating Faulty Relays 2001.01.08
E5250A Modification Recommended E5250A-05 Solution for the breaking of a relay coil 1999.02.17
E5250A Modification Recommended E5250A-06 Overstressed power supply transistor causes the E5250A to not turn on 2000.11.01
E5250A Modification Recommended E5250A-07 E5250A automatically shuts down if over 200 V is applied to AC input. 2003.10.27
E5270A Modification Recommended E5270A-01 SMU Module may be intermittently unrecognized 2003.03.25
E5270B Modification Recommended E5270B-03 Unexpected noise output from HRSMU/MPSUM on specified condition 2009.03.29
E5270B Information Only E5270B-04 Interlock operation speed is improved when using ASU 2015.02.11
E5272A Modification Recommended E5272A-01 SMU module may be intermittently unrecognized 2003.03.25
E5273A Modification Recommended E5273A-01 SMU module may be intermittently unrecognized 2003.03.25
E5505A Modification Available E5505A-01 “Moving PCI cards inside Kontron PC for better airflow” 2011.07.24
E5515B Modification Recommended E5515B-01 Incorrect Output Levels Requires Replacement of RTI EEPROMs 2000-11
E5515C Information Only E5515C-07 Unexpected intermittent Test Set behavior or GPIB problems due to contamination on the connector pins of the Host Processor assembly 2005.05.08
E5515C Information Only E5515C-11 Failure to power up due to an improperly inserted Power Supply connector. 2008.05.05
E5515C Modification Recommended E5515C-12 Fail to mate the cable on the rear panel “digital bus” connector/Failure is due to an extra washer to be added under the screw on the rear panel 2009.06.17
E5515C Information Only E5515C-13 The “Hard Drive Recovery” function in File Utility is not working if the 8960 is a 5.8 unit or if the PC being used to run the recovery has 5.8 firmware or above installed in the 8960 firmware directory 2009.09.02
E5515C Information Only E5515C-18B Old Hardware removed during upgrades is to be recycled via the SPO part exchange program. 2014.01.13
E5515T Modification Recommended E5515C-04B Mobile Phone Protocol Failures or Dropped Calls Require Replacement of the Demod Down Converter (DDC) 2005.08.17
E5515T Modification Recommended E5515C-08 Power Measurement Accuracy Degradation Requires Replacement of RF Interface 2006.07.30
E5515T Modification Recommended E5515C-09 Failure to Power Up or Audio Analyzer/Source Failures 2007.01.31
E5515T Modification Recommended E5515C-100B Recover-On-Failure (ROF) Program for Multiple Module Identification, Replacement and Test Verification 2006.11.08
E5810A Modification Available E5810A-01 Firmware Upgrade (version A.01.04): Performance Improvement 2007.11.15
E5810A Modification Recommended E5810A-02 E5810A Hang Upon Turned On Due To Power Supply Failure 2010.04.19
E5810A Modification Recommended E5810A-03A E5810A Hang Upon Turned On 2014.11.23
E5904B Modification Recommended E5904B-01 Incorrect component values in pwer supply 2001.08.22
E6000B Modification Recommended E6000B-02 Firmware Update to fix hang-up problem after boot cycle in application screen 2003.10.22
E6000C Modification Recommended E6000C-02 Firmware Update to fix hang-up problem after boot cycle in application screen 2003.10.22
E6198A Safety E6198A-01-S The SLU internal power supply without protective cover is potentially accessible by users when the unused slots are not covered by faceplates. 2008.09.25
E6198A Modification Available E6198A-02 The SLU internal power supply cable with higher current rating (E6170-61601) is available for customers using heavy load switching applications which draw high current from the power supply. 2008.12.16
E6198A Modification Recommended E6198A-03 The SLU internal power supply cable with higher current rating (E6170-61601) is recommended for customers using heavy load switching applications which draw high current from the power supply. 2008.12.16
E6198A Modification Available E6198A-04A Enhancement solution is available to SLU backplane discoloration issue by removing the preload resistors from backplane. 2012.01.20
E6198B Modification Recommended E6198B-01 The existing QuickUSB driver (version 2.14/2.15.1) used with the E6198B Keysight Switch/Load Unit (SLU) via the USB interface, is causing memory leak and resulting in aborted tests. 2020.06.16
E6392A Modification Recommended E6392A-01 Upgrade to Firmware Rev. A.01.10 or later 2000.11.02
E6392A Modification Recommended E6392A-02 Potential stress crack in the rear foot 2000.11.12
E6392B Modification Recommended E6392B-01 Potential stress crack in the rear foot 2000.11.12
E6393A Modification Recommended E6393A-01 Firmware Rev A.01.12 has a problem in RFCH handoff. 2002.01.16
E6393A Modification Recommended E6393A-02 The wrong jumper setting causes Printer Port failure. 2002.04.02
E6393A Modification Recommended E6393A-03A Aging Rate going to be out of specifications 2002.07.11
E6452A Modification Recommended E6452A-01 Firmware upgrade and calibration required 1999.06.30
E6464AC08 Modification Recommended E6464AC08-01 Certain units with Rev 007 PC module or earlier can experience boot up issues due to DC/DC converter revision installed. 2024.10.21
E6464AC16 Modification Recommended E6464AC16-01 Certain units with Rev 007 PC module or earlier can experience boot up issues due to DC/DC converter revision installed. 2024.10.21
E6464AC32 Modification Recommended E6464AC32-01 Certain units with Rev 007 PC module or earlier can experience boot up issues due to DC/DC converter revision installed. 2024.10.21
E6464AC64 Modification Recommended E6464AC64-01 Certain units with Rev 007 PC module or earlier can experience boot up issues due to DC/DC converter revision installed. 2024.10.21
E6473B Information Only E6473B-01 Direct connect configuration may cause communication issues with E6474A Nitro application 2003.10.01
E6601A Modification Recommended E6601A-01 Recover On-Failure (ROF) Program for CISPR 11 radiated emissions test failure. 2007.12.13
E6607A Modification Recommended E6607A-02A Replace RF connector block assembly upon failure. RF Connectors coming loose from the RF connector block due to over tightening cable onto connector and insufficient loctite used during connector assembly 2013.04.17
E6607C Modification Recommended E6607C-01 High failure rates of the DC/DC converters on the E6607C Source boards. E6607C Source boards E6607-61850 use a larger heat sink. The weight of the larger heat sink results in the board to vibrate more in transit. The increase flexing of the board causes the DC/DC converters to have cracked solder joints which causes a higher fail rate 2014.08.06
E6621A Modification Recommended E6621A-01 Downgrading E6621A Software (Firmware) May Affect Instrument Accuracy 2013.01.01
E6640A Modification Recommended E6640A-01 E6640A units using V9077B/Y9077B WLAN measurement application. Using EXM to make SEM measurement for 80MHz WLAN signal with 240MHz span, because EXM has no image protection, the DUT 1812GHz spur and 5GHz spur get mixed into the SEM span range and cause high SEM failure rate for customer DUT. 2018.02.13
E6640A Information Only E6640A-02 M9300A reference modules with manufacturing ID numbers greater than 1E5743xxxx used in EXM repairs requires and instrument Software update to E.19 2018.06.13
E6640A Information Only E6640A-03 M9430A and M9431A modules are no longer manufactured. These have been replaced by the M9432A and M9433A modules 2018.08.24
E6640A Modification Recommended E6640A-04 When replacing an M9037A with the new M9035A you will have to replace the M9018A/B chassis with a new M9019A chassis and load firmware version E.28.09 or greater. Charges only apply to the cost of the new M9019A chassis when no more M9037A parts are available 2022.11.06
E6651A Priority Safety E6651A-01-S Defective handle may cause personal injury or equipment damage 2008.04.23
E6651A Modification Recommended E6651A-02 Handle fixings fitted with incorrect torque setting. 2008.07.20
E6651A Modification Recommended E6651A-03 Instrument Display Not Properly Aligned 2009.11.30
E6680A Modification Recommended E6680A-01 F1 & F2 fuses open potentially due to the current / voltage overshoot during E6680A power on. Causing the E6680A application not to start and the M9414A module to be detected in IO connection expert. 2022.03.01
E6680A Modification Recommended E6680A-02 E6680A displays poor TX EVM results due to low power out. Also, can be displayed as self-test failures on the 11 volts supply. 2022.09.25
E6680A Modification Recommended E6680A-03 Units are missing the input level warning label 2022.11.09
E6680E Modification Recommended E6680E-01 Units are missing the input level warning label 2022.11.09
E7401A Safety E7401A-03-S Defective handle may cause personal injury or equipment damage 2000.02.29
E7401A Safety E7401A-03A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E7401A Modification Recommended E7401A-08A Firmware Update Required 2006.05.07
E7402A Safety E7402A-03-S Defective handle may cause personal injury or equipment damage 2000.02.29
E7402A Safety E7402A-03A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E7402A Modification Recommended E7402A-05 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E7402A Modification Recommended E7402A-06 Replace Micron DRAM SIMMS from the A4, CPU assembly 2002.02.14
E7402A Modification Recommended E7402A-07 Instruments that have firmware revision less than or equal to A.02 will fail frequency response performance tests 2002.02.14
E7402A Modification Recommended E7402A-09A Firmware Update Required 2006.05.07
E7402A Information Only E7402A-10 Input attenuator switching appears to be incorrect 2005.02.11
E7402A Modification Recommended E7402A-12 The front panel flex circuits within this serial range can grow dendrites under certain environmental conditions, which can ultimately short out traces causing the front panel keys on the analyzer not to function. 2009.09.06
E7403A Safety E7403A-03-S Defective handle may cause personal injury or equipment damage 2000.02.29
E7403A Safety E7403A-03A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E7403A Modification Recommended E7403A-09A Firmware Update Required 2006.05.07
E7404A Safety E7404A-03-S Defective handle may cause personal injury or equipment damage 2000.02.29
E7404A Safety E7404A-03A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E7404A Modification Recommended E7404A-09A Firmware Update Required 2006.05.07
E7405A Safety E7405A-03-S Defective handle may cause personal injury or equipment damage 2000.02.29
E7405A Safety E7405A-03A-S Defective handle may cause personal injury or equipment damage 2023.06.29
E7405A Modification Recommended E7405A-05 Intermittent screen "flicker" due to a cold solder joint 2000.12.31
E7405A Modification Recommended E7405A-06 Replace Micron DRAM SIMMS from the A4, CPU assembly 2002.02.14
E7405A Modification Recommended E7405A-07 Instruments that have firmware revision less than or equal to A.02 will fail frequency response performance tests 2002.02.14
E7405A Modification Recommended E7405A-09A Firmware Update Required 2006.05.07
E7405A Information Only E7405A-10 Input attenuator switching appears to be incorrect 2005.02.11
E7405A Modification Recommended E7405A-12 The front panel flex circuits within this serial range can grow dendrites under certain environmental conditions, which can ultimately short out traces causing the front panel keys on the analyzer not to function. 2009.09.06
E7515A Modification Recommended E7515A-01C Modify the Embedded PC to improve boot reliability. 2017.08.15
E7515A Modification Recommended E7515A-02 Replace Intermittent Front Panel On/Off Switch 2015.04.16
E7515A Modification Recommended E7515A-03 During boot-up, all UXMs running FW version 1.3.2.0 or lower, contain a risk of corrupting the flash memory on the Signal Processing Module (SPM). 2016.02.16
E7515A Modification Recommended E7515A-04 Cable ties installed to secure USB internal connections. 2016.02.09
E7515A Modification Recommended E7515A-06A Customer Recovery Image is Deprecated - minimum recommended UXM software version is 1.4.3.0 2017.05.07
E7515A Safety E7515A-07B-S Power Supply Module (PSM) has insufficient insulation between mains circuits and ground. 2017.10.02
E7515B Modification Recommended E7515B-01A Possible Power Supply failure requires the replacement of the E7515B 5V power supply regulator. 2021.05.05
E7515B Modification Recommended E7515B-02 New version of the Vadatech memory modules shipped from June 2020 do not support 900MHz causing possible boot and operation issues. 2020.10.25
E7515B Modification Recommended E7515B-02A New version of the Vadatech memory modules shipped from June 2020 do not support 900MHz causing possible boot and operation issues. 2022.12.06
E7515B Modification Recommended E7515B-06 A batch of concurrent modules shipped from August 2022 could cause potential boot up issues. 2024.10.22
E7515E Modification Recommended E7515E-01 New version of the Vadatech memory modules shipped from June 2020 do not support 900MHz causing possible boot and operation issues. 2021.11.28
E7515P Modification Recommended E7515P-01 A batch of concurrent modules shipped from August 2022 could cause potential boot up issues. 2024.10.22
E7515W Modification Recommended E7515W-01 A batch of concurrent modules shipped from August 2022 could cause potential boot up issues. 2024.10.22
E7571A Modification Available E7571A-01 Input Level Conditioning circuitry improvments 2000.01.17
E7571A Modification Available E7571A-02 Crosstalk performance improvements 2000.01.17
E7572A Modification Available E7572A-01 Input Level Conditioning circuitry improvments 2000.01.17
E7572A Modification Available E7572A-02 Crosstalk performance improvements 2000.01.17
E7573A Modification Available E7573A-01 Crosstalk performance and Input Level conditioning improvements 2000.01.17
E7900A Safety E7900A-01-S Potential power supply failure 2007.09.26
E7907A Modification Available E7907A-02 Remedy for occasional failure to start 2002.11.06
E7907A Modification Recommended E7907A-03 Sometimes E7907A fails to power up. 2002.11.08
E7912A Safety E7912A-01-S Potential power supply failure 2007.09.26
E7917A Modification Recommended E7917A-03 Sometimes E7917A fails to power up. 2002.11.12
E8241A Modification Recommended E8241A-09 When replacing an analog power supply (0955-3700), replace the screws on the bottom of the power supply with shorter screws. 2005.08.21
E8241A Modification Recommended E8241A-10 New power sensor to be used with Agilent N7820A PSG Calibration Application Software 2005.10.11
E8244A Modification Recommended E8244A-09 When replacing an analog power supply (0955-3700), replace the screws on the 2005.08.21
E8247C Modification Recommended E8247C-01 Suspect serial numbers of 5087-7061 (A30 Mod/Filter), with possible reliability problem. 2003.09.24
E8247C Information Only E8247C-09 Cleaning Vent holes 2005.08.16
E8247C Modification Recommended E8247C-11 When replacing an analog power supply (0955-3700), replace the screws on the 2005.08.21
E8247C Modification Recommended E8247C-12 New power sensor to be used with Agilent N7820A PSG Calibration Application 2005.10.11
E8247C Information Only E8247C-13 E8247C w/007 (Ramp sweep) found when sweeping between 1GHz and 2 GHz, the sweep frequency may appear to FM and then return to a swept signal 2007.09.14
E8251A Modification Recommended E8251A-10 When replacing an analog power supply (0955-3700), replace the screws on the 2005.08.21
E8251A Modification Recommended E8251A-11 New power sensor to be used with Agilent N7820A PSG Calibration Application Software 2005.10.11
E8254A Modification Recommended E8254A-10 When replacing an analog power supply (0955-3700), replace the screws on the bottom of the power supply with shorter screws. 2005.08.21
E8257C Information Only E8257C-11 Cleaning vent holes 2005.08.16
E8257C Modification Recommended E8257C-12 Power offset in the Agilent N7800A Test Management Environment Software for power measurements > 0 dBm 2005.08.16
E8257C Modification Recommended E8257C-14 New power sensor to be used with Agilent N7820A PSG Calibration Application 2005.10.11
E8257C Information Only E8257C-15 E8257C w/007 (Ramp sweep) found when sweeping between 1GHz and 2 GHz, the sweep frequency may appear to FM and then return to a swept signal 2007.09.14
E8257D Information Only E8257D-01 Service Center upgrade process and quote information 2005.02.11
E8257D Modification Recommended E8257D-02 Possible poor solder on CPU U4 causing power to cycle. 2005.03.24
E8257D Modification Recommended E8257D-03 Incorrect voltage rating on the Analog Mod Gen capacitor C480 2005.03.25
E8257D Information Only E8257D-04A Procedure for replacing the E8251-60006 CPU board. 2010.11.08
E8257D Information Only E8257D-06 Cleaning vent holes 2005.08.16
E8257D Modification Recommended E8257D-08 When replacing an analog power supply (0955-3700), replace the screws on the 2005.08.21
E8257D Information Only E8257D-11 E8257D w/007 and non-1E1 power loss during scalar pulse operation between 250 MHz and 500 MHz. 2006.01.19
E8257D Information Only E8257D-12A RF Leakage in instruments with UNT and without options UNU or UNW 2006.02.13
E8257D Information Only E8257D-15 Error code 617 and Installed Board info 2006.10.02
E8257D Information Only E8257D-16A Do not perform the "Security Erase" function, it erases two important system files: License Keys and Self-test Dependencies. 2007.10.26
E8257D Modification Available E8257D-17D Instrument failing self-test 704 2019.11.17
E8257D Information Only E8257D-18 E8257D w/007 (Ramp sweep) found when sweeping between 1GHz and 2 GHz, the sweep frequency may appear to FM and then return to a swept signal 2007.09.14
E8257D Modification Recommended E8257D-20 Firmware C.05.01 overwriting attenuator cal data in E8257D with options 550 + 1E1 or 567 + 1E1 included in the option string 2008.01.02
E8257D Modification Recommended E8257D-21A E8257D found to have the same MAC address that can cause the IP conflict when they are connects to the same local network. 2008.03.13
E8257D Modification Recommended E8257D-22 Intermittent power supply shutdown 2008.02.14
E8257D Information Only E8257D-25D TME adjustment software support’s delayed for E8257D’s with serial number prefix: MY50420000/MY99999999, SG50420000/SG99999999 and US50420000/US99999999 2011.02.28
E8257D Modification Recommended E8257D-27 Instruments with option UNY failing self-test 723: FracN test 2011.03.01
E8257D Information Only E8257D-29 A self-test error 1203 occurs when replacing a 40 GHz doubler with replacement part 5087-7717. 2012.05.08
E8257D Modification Recommended E8257D-31A Instrument failing self test 300 with E4423-60018 Ref Board 2015.01.19
E8257D Modification Recommended E8257D-32 Instrument unable to connect via remote access on Internet Browser when entering the IP address. 2017.11.28
E8257D Information Only E8257D-33 Firmware Upgrade Unable to Run due to Anti-virus Program installed on PC 2018.02.12
E8257D Information Only E8257D-35A Instrument with option HY2 or UNY that has the A43 Lowband Amp Filter board, E8251-60633 replaced will have the low phase noise mode specification impacted. 2020.10.07
E8257D Information Only E8257D-36 Communication Failure when using GPIB to download firmware with Firmware Upgrade Assistant (FUA). 2020.10.07
E8257D Information Only E8257D-38 Unsuccessful firmware upgrade using the Firmware Upgrade Assistant in IP address connection 2023.04.24
E8257D Information Only E8257D-39 Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. 2023.06.13
E8257D Information Only E8257D-39A Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. 2023.07.17
E8257D Information Only E8257D-40 Large Keypad Overlay for Option UNM in light color no longer available 2023.07.16
E8257D Information Only E8257D-41 Replacement options for A12 CPU Board E8251-60661 and E8251-69661 2023.08.24
E8257D Information Only E8257D-41A Replacement options for A12 CPU Board E8251-60661 and E8251-69661 2023.09.18
E8257DS05 Information Only E8257DS05-01 The warranty database shows a 90 warranty not a 1 year warranty 2008.09.08
E8257DS06 Information Only E8257DS06-01 The warranty database shows a 90 warranty not a 1 year warranty 2008.09.08
E8257DS08 Information Only E8257DS08-01 The warranty database shows a 90 warranty not a 1 year warranty 2008.09.08
E8257DS10 Information Only E8257DS10-01 The warranty database shows a 90 warranty not a 1 year warranty 2008.09.08
E8257DS12 Information Only E8257DS12-01 The warranty database shows a 90 warranty not a 1 year warranty 2008.09.08
E8257DS15 Information Only E8257DS15-01 The warranty database shows a 90 warranty not a 1 year warranty 2008.09.08
E8257N Modification Recommended E8257N-01 Instrument unable to connect via remote access on Internet Browser when entering the IP address. 2017.11.28
E8257N Information Only E8257N-02 Firmware Upgrade Unable to Run due to Anti-virus Program installed on PC 2018.02.12
E8257N Modification Recommended E8257N-03 Instrument max power value is clipped to 9dBm instead of 12dBm 2018.08.12
E8257N Information Only E8257N-04 Communication Failure when using GPIB to download firmware with Firmware Upgrade Assistant (FUA). 2020.10.07
E8267C Information Only E8267C-07 Cleaning vent holes 2005.08.15
E8267C Modification Recommended E8267C-10 New power sensor to be used with Agilent N7820A PSG Calibration Application 2005.10.12
E8267C Information Only E8267C-11 Loss or change in WFM files in volatile memory 2006.02.15
E8267C Information Only E8267C-12 E8267C w/007 (Ramp sweep) found when sweeping between 1GHz and 2 GHz, the sweep frequency may appear to FM and then return to a swept signal 2007.09.14
E8267C Safety E8267C-13-S Potential Safety hazard due to E8267C Line Module 2010.10.13
E8267D Information Only E8267D-01 Service Center upgrade process and quote information 2005.02.11
E8267D Modification Recommended E8267D-02 Incorrect voltage rating on the Analog Mod Gen capacitor C480 2005.03.25
E8267D Information Only E8267D-03A Procedure for replacing the E8251-60006 CPU board. 2010.11.08
E8267D Information Only E8267D-04 Describes the 2 different part numbers for the standard A7 Reference assembly 2005.07.22
E8267D Information Only E8267D-05 Cleaning vent holes 2005.08.16
E8267D Modification Recommended E8267D-06 Power Offset in the Agilent N7800A Test Management Environment Software for power measurements > 0 dBm 2005.08.16
E8267D Information Only E8267D-08A RF leakage in instruments with UNT and without options UNU or UNW 2006.02.13
E8267D Information Only E8267D-09A Unexpected loss or change to WRM files in volatile memory in instruments with option 601 or 602. 2014.04.14
E8267D Information Only E8267D-12A Error code 617 configuration error can indicate the CPU is not able to detect an assembly. This service note documents the name and status for each assembly and what information should be displayed on the Installed Board Info screen. The Install Board Info is located under the Utility key. 2014.08.05
E8267D Modification Available E8267D-13 Spurs and poor image rejection in wide band IQ mode with option H16. 2007.06.24
E8267D Information Only E8267D-14A Do not perform the "Security Erase" function, it erases two important system files: License Keys and Self-test Dependencies. 2007.10.26
E8267D Modification Available E8267D-15C Instrument failing self-test 704 2020.01.06
E8267D Information Only E8267D-16 E8267D w/007 (Ramp sweep) found when sweeping between 1GHz and 2 GHz, the sweep frequency may appear to FM and then return to a swept signal 2007.09.14
E8267D Information Only E8267D-17 E8267D w/UNX – Missing 1GHz cables and 1GHz out connector on rear panel. This only apply on the rear panel that had 1GHz out connector hole. 2007.10.03
E8267D Modification Recommended E8267D-18A E8267D found to have the same MAC address that can cause the IP conflict when they are connects to the same local network. 2008.03.13
E8267D Information Only E8267D-20 Clarification of E8267D options H16 and 016 hardware configuration, functionality, and reported option. 2008.10.14
E8267D Information Only E8267D-21 Identification of E8267D shipped prior to prefix/serial number US48290000 with options 009. 2009.04.20
E8267D Safety E8267D-22A-S Potential Safety hazard due to E8267D Line Module 2020.09.14
E8267D Modification Recommended E8267D-24A Intermittent CPU boot-up and/or No display 2012.10.14
E8267D Modification Recommended E8267D-28 Instrument unable to connect via remote access on Internet Browser when entering the IP address. 2017.11.28
E8267D Information Only E8267D-29 Firmware Upgrade Unable to Run due to Anti-virus Program installed on PC 2018.02.12
E8267D Information Only E8267D-32 Communication Failure when using GPIB to download firmware with Firmware Upgrade Assistant (FUA). 2020.10.07
E8267D Information Only E8267D-34 Unsuccessful firmware upgrade using the Firmware Upgrade Assistant in IP address connection 2023.04.24
E8267D Information Only E8267D-35 Instrument that has output board, E8251-60435 replaced with E8251-60888 will have the low phase noise specification impacted. 2023.06.13
E8267D Information Only E8267D-35A Instrument that has output board, E8251-60435 replaced with E8251-60888 will have the low phase noise specification impacted. 2023.07.17
E8267D Information Only E8267D-36 Replacement options for A12 CPU Board E8251-60661 and E8251-69661 2023.08.24
E8267D Information Only E8267D-36A Replacement options for A12 CPU Board E8251-60661 and E8251-69661 2023.09.18
E8305A Modification Recommended E8305A-01 Starting in August 2007 wrong SMT fuses were loaded on PCA of the E8305A. 2008.09.16
E8356A Modification Recommended E8356A-01 Failures of the Noise Floor and/or Crosstalk performance tests are often caused by deterioration of the rubber receiver gaskets. In case of failures,replace with metal waffle gaskets. 2005.05.11
E8356A Modification Recommended E8356A-02E Older front panel interface boards should be replaced. 2007.12.05
E8356A Modification Recommended E8356A-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8356A Modification Recommended E8356A-04B "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." 2007.10.31
E8356A Information Only E8356A-05 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8356A Modification Recommended E8356A-06A Replace Inverter board (0950-3379) due to faulty component. 2008.04.30
E8357A Modification Recommended E8357A-01 Failures of the Noise Floor and/or Crosstalk performance tests are often caused by deterioration of the rubber receiver gaskets. In case of failures, replace with metal waffle gaskets. 2005.05.11
E8357A Modification Recommended E8357A-02F Older Front Panel Interface (FPI) boards can cause the following problems: • A serious won’t boot condition • USB signal integrity degradation • Intermittent front panel keyboard performance • Intermittent RPG lockup • RPG shaft disconnection Installing a new FPI board corrects these problems. However, it is NOT necessary to replace the E8356-60003 FPI board if it is still functional. 2008.02.18
E8357A Modification Recommended E8357A-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8357A Modification Recommended E8357A-04B Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. 2007.10.31
E8357A Information Only E8357A-05 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8357A Modification Recommended E8357A-06A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8358A Modification Available E8358A-01 Failures of the Noise Floor and/or Crosstalk performance tests are often caused by deterioration of the rubber receiver gaskets. In case of failures, replace with metal waffle gaskets. 2005.05.11
E8358A Modification Recommended E8358A-02F Older front panel interface boards should be replaced. 2008.02.18
E8358A Modification Recommended E8358A-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8358A Modification Recommended E8358A-04B Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. 2007.10.31
E8358A Modification Recommended E8358A-06A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8361A Information Only E8361A-01 Must Calibrate V8486A and V281A together 2003.06.13
E8361A Modification Recommended E8361A-02C RPG shaft can disconnect Front Panel Interface (FPI) boards which were installed per Service Note N3383A-01A need to be modified or replaced 2007.10.31
E8361A Modification Recommended E8361A-03A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8361A Modification Recommended E8361A-04A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8361A Modification Recommended E8361A-05B Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. 2007.10.31
E8361A Information Only E8361A-06 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8361A Modification Recommended E8361A-07 Lid clamps are available for the SOMA 70 assemblies to prevent minor instability sometimes seen on display trace. 2007.05.01
E8361A Modification Recommended E8361A-08A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8361A Modification Recommended E8361A-09 A few E8361A PNA instruments have incorrect capacitors loaded on the Frequency Reference board, so the board should be replaced. 2008.02.10
E8361A Modification Available E8361A-10A Add-on mechanical components to enhance instrument reliability 2009.11.30
E8361A Modification Recommended E8361A-13 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8361C Modification Recommended E8361C-01A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8361C Information Only E8361C-03A E8361C Automated Source Adjustment software needs to have greater functionality. Until this functionality is implemented on July 31, 2009, any source-chain component replacement and corresponding calibration process must be done in the Agilent factory. 2009.03.16
E8361C Information Only E8361C-04 When testing the PNA above 50 GHz, the V8486A waveguide power sensor is required. A V281A adapter is required to use the power sensor with 1.85 mm coaxial connectors. The combination of the power sensor and the adapter must be calibrated as a single unit. The combination must remain connected for the duration of the calibration period. 2008.11.04
E8361C Modification Recommended E8361C-05A A new touchscreen display inverter shield is available to improve PNA noise floor performance. 2012.12.04
E8361C Information Only E8361C-06 During System Verification test, some E8361C analyzers are experiencing errors while measuring the verification kit devices. 2009.09.01
E8361C Modification Recommended E8361C-07 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8361C Modification Recommended E8361C-08 Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. 2010.02.04
E8362A Modification Recommended E8362A-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8362A Modification Recommended E8362A-05A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8362B Modification Recommended E8362B-01C Older front panel interface boards should be replaced. 2007.12.05
E8362B Modification Recommended E8362B-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8362B Modification Recommended E8362B-03B Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. 2006.03.23
E8362B Information Only E8362B-04 The new 1.1 GHz CPU board provided in PNA CPU Kit E8364-60026 functions properly only with Hard Disk Drive (HDD) part number E8364-60190 and Firmware Revision A.06.01 or higher installed in the PNA. 2006.03.01
E8362B Modification Recommended E8362B-05A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8362B Modification Available E8362B-06A Add-on mechanical components to enhance instrument reliability. 2009.12.01
E8362B Modification Recommended E8362B-07 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8362BH85 Modification Recommended E8362BH85-01 Older front panel interface boards should be replaced. 2008.01.15
E8362BH85 Modification Recommended E8362BH85-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8362BH85 Modification Recommended E8362BH85-03 Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD. 2008.01.15
E8362BH85 Information Only E8362BH85-04 The new 1.1 GHz CPU board provided in PNA CPU Kit E8364-60026 functions properly only with Hard Disk Drive (HDD) part number E8364-60190 and Firmware Revision A.06.01 or higher installed in the PNA. 2008.01.16
E8362BH85 Modification Available E8362BH85-05 Replace Inverter board (0950-3379) due to faulty component. 2008.01.15
E8362BH85 Modification Available E8362BH85-06A Add-on mechanical components to enhance instrument reliability. 2009.11.30
E8362C Modification Recommended E8362C-01A A new touchscreen display inverter shield is available to improve PNA noise floor performance. 2012.12.04
E8362C Information Only E8362C-02 During System Verification test, some E8362C analyzers are experiencing errors while measuring the verification kit devices. 2009.09.01
E8362C Modification Recommended E8362C-03 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8362C Modification Recommended E8362C-04 Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. 2010.02.04
E8362C Modification Recommended E8362C-05A Possible faulty E8362C/H85 performance due to defect in microcircuit assembly. 2012.04.01
E8362C Modification Recommended E8362C-06 Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. 2012.02.22
E8362CH85 Modification Recommended E8362CH85-01A A new touchscreen display inverter shield is available to improve PNA noise floor performance. 2012.12.04
E8362CH85 Modification Recommended E8362CH85-02A Possible faulty E8362C/H85 performance due to defect in microcircuit assembly. 2012.04.01
E8363A Modification Recommended E8363A-02A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8363A Modification Recommended E8363A-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8363A Modification Recommended E8363A-06A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8363B Modification Recommended E8363B-01C Older front panel interface boards should be replaced. 2007.12.05
E8363B Modification Recommended E8363B-02A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8363B Modification Recommended E8363B-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8363B Modification Recommended E8363B-04B Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. 2006.03.23
E8363B Information Only E8363B-05 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8363B Modification Recommended E8363B-06A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8363B Modification Available E8363B-07A Add-on mechanical components to enhance instrument reliability. 2009.12.01
E8363B Modification Recommended E8363B-08 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8363BH85 Modification Recommended E8363BH85-02A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8363BH85 Modification Recommended E8363BH85-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8363BH85 Modification Available E8363BH85-07A Add-on mechanical components to enhance instrument reliability. 2009.11.30
E8363C Modification Recommended E8363C-01A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8363C Modification Recommended E8363C-02A A new touchscreen display inverter shield is available to improve PNA noise floor performance. 2012.12.04
E8363C Information Only E8363C-03 During System Verification test, some E8363C analyzers are experiencing errors while measuring the verification kit devices. 2009.09.01
E8363C Modification Recommended E8363C-04 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8363C Modification Recommended E8363C-05 Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. 2010.02.04
E8363C Modification Recommended E8363C-06A Possible faulty E8363C performance due to defect in microcircuit assembly. 2012.04.01
E8363C Modification Recommended E8363C-07 Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. 2012.02.22
E8363CH85 Modification Recommended E8363CH85-01A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8363CH85 Modification Recommended E8363CH85-02A A new touchscreen display inverter shield is available to improve PNA noise floor performance. 2012.12.04
E8363CH85 Modification Recommended E8363CH85-03 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8364A Modification Recommended E8364A-02A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8364A Modification Recommended E8364A-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8364A Modification Recommended E8364A-06A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8364B Modification Recommended E8364B-01C Older front panel interface boards should be replaced 2007.12.05
E8364B Modification Recommended E8364B-02A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8364B Modification Recommended E8364B-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8364B Modification Recommended E8364B-04B "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." 2007.10.31
E8364B Information Only E8364B-05 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8364B Modification Recommended E8364B-06A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8364B Modification Available E8364B-07A Add-on mechanical components to enhance instrument reliability. 2009.12.01
E8364B Modification Recommended E8364B-08 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8364BH85 Modification Recommended E8364BH85-01 Older front panel interface boards should be replaced. 2008.01.15
E8364BH85 Modification Recommended E8364BH85-02A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8364BH85 Modification Recommended E8364BH85-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8364BH85 Modification Recommended E8364BH85-04 "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." 2008.01.15
E8364BH85 Information Only E8364BH85-05 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmware Rev A.06.01 or higher. 2008.01.16
E8364BH85 Modification Available E8364BH85-06 Replace Inverter board (0950-3379) due to faulty component. 2008.01.15
E8364BH85 Modification Available E8364BH85-07A Add-on mechanical components to enhance instrument reliability. 2009.11.30
E8364C Modification Recommended E8364C-01A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8364C Modification Recommended E8364C-02A A new touchscreen display inverter shield is available to improve PNA noise floor performance. 2012.12.04
E8364C Information Only E8364C-03 During System Verification test, some E8364C analyzers are experiencing errors while measuring the verification kit devices. 2009.09.01
E8364C Modification Recommended E8364C-04 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8364C Modification Recommended E8364C-05 Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. 2010.02.04
E8364C Modification Recommended E8364C-06A Possible faulty E8364C performance due to defect in microcircuit assembly. 2012.04.01
E8364CH85 Modification Recommended E8364CH85-01A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
E8364CH85 Modification Recommended E8364CH85-02A A new touchscreen display inverter shield is available to improve PNA noise floor performance. 2012.12.04
E8364CH85 Modification Recommended E8364CH85-03 An enhancement added to absorb vibration when opening the swing deck during hardware repair. 2009.12.17
E8401A Modification Recommended E8401A-01 Recommend replcmnt of capacitor in Fan Power Supply 1999.09.29
E8402A Modification Recommended E8402A-01 Recommend Replacement Capacitor in Fan Power Supply 1999-09
E8403A Modification Recommended E8403A-01 Faulty Heat Sink Clips May Cause Short Circuit In Power Supply 1999.02.28
E8404A Modification Recommended E8404A-01 Faulty Heat Sink Clips May Cause Short Circuit In Power Supply 1999-03
E8404A Modification Recommended E8404A-01 Faulty Heat Sink Clips May Cause Short Circuit In Power Supply 1999.02.28
E8482A Modification Recommended E8482A-01 New part to fix communication problem with National Instruments VXI interface products. 2004.08.11
E8482B Modification Recommended E8482B-01 New part to fix communication problem with National Instruments VXI interface products. 2004.08.11
E8486A Modification Recommended E8486A-01 Incorrect calibration factor data in the Power Sensor EEPROM (Option 200 only) 2017.03.14
E8486A Modification Recommended E8486A-03D Accuracy offset issue 2020.03.19
E8491B Modification Recommended E8491B-01 Front panel is incorrectly labeled 1999.09.29
E8663B Modification Recommended E8663B-01 Procedure to activate AM/FM and Pulse options 2006.11.05
E8663B Information Only E8663B-02A No adjustment required 2007.09.12
E8663B Modification Available E8663B-03A Instrument failing self-test 704 2013.08.25
E8663B Modification Recommended E8663B-04 Intermittent power supply shutdown 2008.02.14
E8663D Modification Recommended E8663D-01 Intermittent CPU boot-up and/or No display 2011.02.10
E8663D Modification Available E8663D-05 Instrument failing self-test 704 2013.08.25
E8663D Modification Recommended E8663D-06A Instrument failing self test 300 with E4423-60018 Ref Board 2015.01.19
E8663D Modification Recommended E8663D-07 Instrument unable to connect via remote access on Internet Browser when entering the IP address. 2017.11.28
E8663D Information Only E8663D-08 Firmware Upgrade Unable to Run due to Anti-virus Program installed on PC 2018.02.12
E8663D Information Only E8663D-10A Instrument with option HY2 or UNY that has the A43 Lowband Amp Filter board, E8251-60633 replaced will have the low phase noise mode specification impacted. 2020.10.07
E8663D Information Only E8663D-11 Communication Failure when using GPIB to download firmware with Firmware Upgrade Assistant (FUA). 2020.10.07
E8663D Information Only E8663D-13 Unsuccessful firmware upgrade using the Firmware Upgrade Assistant in IP address connection 2023.04.24
E8663D Information Only E8663D-14 Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. 2023.06.13
E8663D Information Only E8663D-14A Instrument that has output board, E8251-60434 replaced with E8251-60887 will have the low phase noise specification impacted. 2023.07.17
E8663D Information Only E8663D-15 Large Keypad Overlay for Option UNM in light color no longer available 2023.07.16
E8663D Information Only E8663D-16 Replacement options for A12 CPU Board E8251-60661 and E8251-69661 2023.08.24
E8663D Information Only E8663D-16A Replacement options for A12 CPU Board E8251-60661 and E8251-69661 2023.09.18
E8780B Information Only E8780B-01 Color change for casing of power distribution unit, E1135-80050 from pewter grey color to graphite grey color. 2012.01.13
E8781A Information Only E8781A-01 The following procedures are used to activate the XP license on the TS-5400 Series IIB and the TS-5410 system controllers. 2005.03.31
E8786B Information Only E8786B-01 The following procedures are used to activate the XP license on the TS-5400 Series IIB and TS-5410 system controllers. 2005.03.31
E8786B Information Only E8786B-02 Color change for casing of power distribution unit, E1135-80050 from pewter grey color to graphite grey color. 2012.01.13
E8801A Modification Recommended E8801A-01D Older front panel interface boards should be replaced. 2007.12.05
E8801A Modification Recommended E8801A-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8801A Modification Recommended E8801A-03B "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." 2007.10.31
E8801A Information Only E8801A-04 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8801A Modification Recommended E8801A-05A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8802A Modification Recommended E8802A-01B RPG shaft can disconnect Front Panel Interface (FPI) boards which were installed per Service Note N3383A-01A need to be modified or replaced 2007.08.13
E8802A Modification Recommended E8802A-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8802A Modification Recommended E8802A-03B Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. 2006.03.23
E8802A Information Only E8802A-04 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8802A Modification Recommended E8802A-05A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E8803A Modification Recommended E8803A-01C RPG shaft can disconnect Front Panel Interface (FPI) boards which were installed per Service Note N3383A-01A need to be modified or replaced 2007.08.13
E8803A Modification Recommended E8803A-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
E8803A Modification Recommended E8803A-03B Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. 2006.03.23
E8803A Information Only E8803A-04 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
E8803A Modification Recommended E8803A-05A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
E9070A Information Only E9070A-01 HSI Tool Kit Assembly for 95000 2000.01.18
E9070A Modification Available E9070A-03 New split I/O relay modules and pin electronics boards 2001.01.16
E9321A Information Only E9321A-01 Temporary Outer Shell Colour Variation 2003.03.03
E9321A Modification Recommended E9321A-04 Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. 2019.10.21
E9322A Information Only E9322A-01 Temporary Poter shell Colour Variation 2003.03.03
E9322A Modification Recommended E9322A-03 Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. 2019.10.21
E9323A Information Only E9323A-01 Temporary Outer shell Colour Variation 2003.03.03
E9323A Modification Recommended E9323A-03 Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. 2019.10.21
E9325A Modification Recommended E9325A-01 Product recall. Increased cal factor uncertainty at high frequency and high power levels. 2001.11.11
E9325A Information Only E9325A-02 Temporary Outer Shell Colour Variation 2003.03.03
E9325A Modification Recommended E9325A-05 Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. 2019.10.21
E9326A Information Only E9326A-02 Temporary Outer Sheof Colour Variation 2003.03.03
E9326A Modification Recommended E9326A-04 Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. 2019.10.21
E9327A Information Only E9327A-02 Temporary Outer Shelf Colour Variation 2003.03.03
E9327A Modification Recommended E9327A-05 Unable to properly perform ‘Zero and Cal’ or detecting ‘ZERO ERROR’/’CAL ERROR’ with P-Series power meter N1911A/N1912A. 2019.10.21
E9821A Modification Available E9821A-01 E9821A reliability can be improved for certain serial numbers 2005.01.23
E9900A Safety 3070-28-S Third party fixture handles could cause crushed fingers 1996.09.30
E9900A Priority Safety 3070-63-S Potential for electric shock due to monitor power cord insulation damaged and shorting to monitor support arm. 2001.07.31
E9900A Safety 3070-65A-S Safety hazzard with performance port high power connector block 2003.01.29
E9900A Safety 3070-66A-S Potential risk of puncture wounds 2003.01.29
E9900A Priority Safety 3070-72-S Test fixtures provided by APG present a fingertip pinch hazard 2002.10.22
E9900AG Priority Safety 3070-58A-S Telescoping tube irregularity may cause a potential safety hazard 2000.12.31
E9900AG Safety 3070-70-S POSSIBLE FIRE HAZARD 2003.01.12
E9900AG Safety 3070-73-S POSSIBLE ELECTRICAL SHOCK HAZARD 2003.08.24
E9900AG Safety 3070-76-S POSSIBLE PINCH HAZARD 2005.08.17
E9900AG Modification Recommended 3070-77A Potential Involuntary Shutdown of Specific Testhead Controllers 2006.03.09
E9900BG Priority Safety 3070-74-S Potential electrical safety hazard on power outlet boxes 2005.01.20
E9901D Modification Recommended 3070-79A Potential Random Printing on the Strip Printer 2008.03.30
E9901D Modification Recommended 3070-80 Library files missing in library folder 2008.03.17
E9901D Modification Available 3070-81 PC Controller Management of Scanworks PCI-400 driver. 2009.08.20
E9901D Modification Recommended 3070-82 Control XTP card Firmware Change due to change in NEC SRAM 2010.04.08
E9901D Modification Recommended 3070-83 Preventive Measures to Minimize Lost Heartbeat Errors 2011.03.17
E9901D Modification Recommended 3070-84A Agilent Medalist i3070 and i3070 Series 5 In-Circuit Test System 2011.04.28
E9901D Modification Recommended 3070-85 Control XTP card new firmware version “xtp_11060116_1.xsvf” (Old NEC 4Mx4bit SRAM and New NEC 2Mx8bit SRAM) 2011.06.08
E9901D Modification Available 3070-86 New firmware for i-system card (P/N: N1807-63603) to retain fixture lock position when reboot 2011.10.17
E9901D Modification Available 3070-87 Solve booting error with new “Turbo Bootpt”. 2012.03.25
E9901D Modification Recommended 3070-88 Bios 1.12 version in rp5700 causes longer time to load board directory across network 2012.08.16
E9901D Modification Available 3070-89 New Bootp file to solve the intermittent boot error with “Control XTPA” (N1807-66801) on Windows ® 7, software version 08.30pb. 2013.03.05
E9901D Information Only 3070-90 Agilent Technologies has identified a potential pinch hazard that may cause severe injury to operators of Agilent Technologies i3070 and i1000 In-Circuit Test Systems fixtures. To help customers protect the safety of their employees, we are notifying you of fixture safety considerations. 2014.05.21
E9901EL Modification Recommended 3070-100 Standard VGA cable may cause Diagnostic Application Double Images. 2021.10.20
E9902DR Modification Recommended 3070-92 Board Test Insight (BTI) and Test Cell Manager (BT-Basic) didn’t launch automatically for “operator” and “tcm” windows login respectively on Win10 Operating System 2018.10.01
E9902G Modification Recommended E9902G-01 Intermittent T3610 errors during Diagnostics (DGN) on certain batches of pin cards in MUX system with XTPB cards installed. 2022.05.24
E9902G Modification Recommended E9902G-02 New control XTPB card firmware to adjust the delay time for relay opening, to resolve intermittent relay failures observed on pin cards when working together with XTPB cards. Firmware update can be installed by customer. 2024.02.07
E9902G Modification Recommended E9902G-02A New control XTPB card firmware to adjust the delay time for relay opening, to resolve intermittent relay failures observed on pin cards when working together with XTPB cards. Firmware update can be installed by customer. 2024.02.14
E9903G Modification Recommended E9903G-01 Intermittent T3610 errors during Diagnostics (DGN) on certain batches of pin cards in MUX system with XTPB cards installed. 2022.05.24
E9905E Modification Recommended 3070-89A i3070 test system controller encountered intermittent testhead booting error – i3070 test system controller that uses i3070 09.10p software release may encounter testhead booting issue 2018.05.09
E9905E Modification Recommended 3070-91 Control XTPA card new firmware 14091012_2.xsvf 2015.01.14
E9905E Modification Recommended 3070-93 The i3070 Series 5 In-Circuit Test System that testhead rotation motor may not grounded properly to the testhead frame/chassis. 2019.05.06
E9905E Modification Available 3070-94 i3070 software may encounter slow down behavior 2019.07.25
E9905E Information Only 3070-101 In-Circuit Parallel Test(ICPT) software not supported in i3070 software version below 10.0p. 2021.11.16
E9905E Modification Recommended 3070-102 Testhead Configurator software cannot support new CAP switch N1178-66804. 2021.11.15
E9905E Information Only 3070-103 Fixture lock command executed from module2 virtual machine result in error R770 2022.03.18
E9905E Information Only 3070-105 Specification revise i3070 Series 5 for ASRU Revision N DC Voltage Detection 2023.09.25
E9905E Modification Available 3070-105A Specification revise i3070 Series 5 for ASRU Revision N DC Voltage Detection 2024.01.17
E9905G Modification Recommended 3070-98 Rotation motor switch may damage or stuck for Series 6 In-Circuit Tester 2021.01.05
E9905G Modification Recommended 3070-99 Replace incorrect Serial ports in Engage-Flex Pro Controller for Series 6 In-Circuit Tester 2021.05.11
E9905G Information Only 3070-104 EMC covers E9901-00204(Right Bottom Cover – Bristol) and E9901-00205(Left Bottom Cover – Bristol not able to pre-install at factory before shipment. This issue affects only asynchronous options: E9905G-AS2, E9905G-AS3 and E9905G-KC1. 2023.03.12
E9905G Information Only 3070-104A EMC covers E9901-00204(Right Bottom Cover – Bristol) and E9901-00205(Left Bottom Cover – Bristol not able to pre-install at factory before shipment. This issue affects only asynchronous options: E9905G-AS2, E9905G-AS3, E9905G-KC1 and E9903G-KC1. 2023.03.22
E9905G Modification Recommended E9905G-01 Intermittent T3610 errors during Diagnostics (DGN) on certain batches of pin cards in MUX system with XTPB cards installed. 2022.05.24
E9910A Safety 3070-68B-S POSSIBLE SHOCK HAZARD 2002.11.01
E9986E Modification Available 3070-96B Remove unused secondary Press of Inline ICT 2020.02.26
E9986E Modification Available 3070-97 ESD Belt Guide Bar replacement for i3070 4 module Inline ICT 2020.04.15
E9986E Modification Available 3070-107 Bigger idler Pulley to enhance the conveyor belt lifespan. 2024.10.03
E9986E Modification Available 3070-108 Existing tailgate sensor cable may be too short for small board sizes; an extension cable can be purchased. 2024.10.15
E9988EL Modification Recommended 3070-95 To Prolong life span of Conveyor motor in 2 module Inline ICT. 2019.09.26
E9998BG Priority Safety 3070-74-S Potential electrical safety hazard on power outlet boxes 2005.01.20
E36102A Information Only E36102A-01 E36102A DC Power Supply will be replaced by E36102B DC Power Supply 2019.10.08
E36102B Modification Recommended E36102B-01 Low range current measurement accuracy may be out of specification. 2022.03.01
E36103A Information Only E36103A-01 E36103A DC Power Supply will be replaced by E36103B DC Power Supply 2019.10.08
E36103B Modification Recommended E36103B-01 Low range current measurement accuracy may be out of specification. 2022.03.01
E36104A Information Only E36104A-01 E36104A DC Power Supply will be replaced by E36104B DC Power Supply 2019.10.08
E36105A Information Only E36105A-01 E36105A DC Power Supply will be replaced by E36105B DC Power Supply 2019.10.08
E36106A Information Only E36106A-01 E36106A DC Power Supply will be replaced by E36106B DC Power Supply 2019.10.08
E36155A Information Only E36155A-02 ATTENTION – Firmware update to 1.1.10-1.0.1-1.16 is mandatory. 2024.10.16
E36311A Modification Recommended E36311A-01 Unit may output voltage spike when main power is turn on or off. 2018.04.09
E36312A Modification Recommended E36312A-01 Unit may output voltage spike when main power is turn on or off. 2018.04.09
E36312A Modification Recommended E36312A-02 Compliance to EMC IEC61000-4-3 standard requires a ferrite core. 2019.01.23
E36313A Modification Recommended E36313A-01 Unit may output voltage spike when main power is turn on or off. 2018.04.09
E36313A Modification Recommended E36313A-02 Compliance to EMC IEC61000-4-3 standard requires a ferrite core. 2019.01.23
E36731A Information Only E36731A-01 Units in the above serial number range and with the firmware version K-01.04.03-01.00-02.03-01.02 may encounter instrument freezes when using with BV9210B PathWave BenchVue Advanced Battery Test and Emulation Software. 2023.04.04
EXR054A Modification Available EXR054A-01 Noisy fans 2022.05.04
EXR058A Modification Available EXR058A-01 Noisy fans 2022.05.03
EXR104A Modification Available EXR104A-02 Noisy fans 2022.05.04
EXR108A Modification Available EXR108A-01 Noisy fans 2022.05.04
EXR204A Modification Available EXR204A-01 Noisy fans 2022.05.04
EXR208A Modification Available EXR208A-01 Noisy fans 2022.05.04
EXR254A Modification Available EXR254A-01 Noisy fans 2022.05.04
EXR258A Modification Available EXR258A-01 Noisy fans 2022.05.04
F9642A Safety F9642A-01 AC/DC 48V adapter external power supply output cable/connector design has excessive weight, causing an intermittent power failure connection to the chamber DC input. 2024.07.16
F9642A Safety F9642A-02 Door handle used on chamber’s door potentially has sharp edge that can cause a hand laceration on operator 2024.09.06
J1409A Modification Available J1409-01 The Modification lowers the level of internal cross-talk between modules. This can improve some lower level, high frequency jitter measurements. 2002.02.25
J1981A Modification Recommended J1981A-01 Improves PESQ scores. 2002.03.27
J1981B Modification Recommended J1981B-01 Improves PESQ scores. 2002.03.27
J1981B Modification Recommended J1981B-02 Replace defective power supplies from vendor 2002.09.24
J1981B Information Only J1981B-06 Aluminum standoff should be used to protect the LED's from breakage 2005.12.22
J1981B Information Only J1981B-07 If it is necessary to repair any customer units included in the list below please first contact the Division regarding the repair strategy for these units. 2006.07.18
J1987A Modification Recommended J1987A-01 Add a 2nd card to units with only one(1) card installed. 2002.02.21
J1987A Modification Recommended J1987A-02 Improves PESQ scores. 2002.03.27
J1996A Modification Recommended J1996A-01 Possible BQT product damage using J1996A 2001.11.07
J2208B Modification Recommended J2208B-01 Modification instructions for main board/A1 assembly 1993.12.31
J2213A Modification Recommended J2213A-02 Main board/A1 assembly - additional 1 Meg DRAM 1993.12.31
J2213A Modification Recommended J2213A-03 LED board mod allows greater range of brightness adjustment 1993.12.12
J2219A Modification Recommended J2219A-02 LED board mod allows greater range of brightness adjustment 1993.12.12
J2300C Modification Recommended J2300C-01 0950-3180 power supplu noise/reliability 1998.11.23
J2300C Modification Available J2300C-03B Procedure for installing the upgrade kit. 2001.11.14
J2300C Modification Available J2300C-04 Power Supply Cables Can Become Defective 2005.12.11
J2300D Modification Available J2300D-01 Procedure for installing upgrade kit. 2001.11.14
J2300D Modification Available J2300D-02 Power supply cables can become defective 2005.12.11
J2301A Modification Recommended J2301A-01 New assy allows full speed oper when used w/high spd adapters 1994.11.03
J2301B Priority Safety J2301B-01-S New inverter board reduces chance of fire hazard 1995.09.30
J2301B Modification Recommended J2301B-02 Replacement PAW link (mouse pointer) corrects operating problems 1996.06.13
J2301B Modification Recommended J2301B-03 Mod removes transversal jitter in display caused by built-in mouse 1996.06.13
J2301B Modification Recommended J2301B-04 Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives 1996.06.13
J2301B Priority Safety J2301B-05-S Bottom chassis fastener (screw) may interfere with primary circuit component. 1996.07.31
J2301B Modification Recommended J2301B-06 Undercradle interface card long leads short to chassis 1996.06.13
J2301B Modification Recommended J2301B-07 Modifications improve reliability 1996.06.13
J2301B Modification Recommended J2301B-08 Power supply snubber circuit modification 1997.02.10
J2302A Modification Recommended J2302A-01 New assy allows full speed oper when used w/high spd adapters 1994.11.03
J2302B Priority Safety J2302B-01-S New inverter board reduces chance of fire hazard 1995.09.30
J2302B Modification Recommended J2302B-02 Replacement PAW link (mouse pointer) corrects operating problems 1996.06.13
J2302B Modification Recommended J2302B-03 Mod removes transversal jitter in display caused by built-in mouse 1996.06.13
J2302B Modification Recommended J2302B-04 Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives 1996.06.13
J2302B Priority Safety J2302B-05-S Bottom chassis fastener (screw) may interfere with primary circuit component. 1996.07.31
J2302B Modification Recommended J2302B-06 Undercradle interface card long leads short to chassis 1996.06.13
J2302B Modification Recommended J2302B-07 Modifications improve reliability 1996.06.13
J2302B Modification Recommended J2302B-08 Power supply snubber circuit modification 1997.02.10
J2306A Modification Available J2306A-01 Optional modification upgrades the capture buffer to 16 MB 1995.01.11
J2306A Modification Recommended J2306A-02 LAN select switch removal procedure 1996.06.13
J2309A Modification Available J2309A-01 Optional modification upgrades the capture buffer to 16 MB 1995.01.11
J2309A Modification Recommended J2309A-02 LAN select switch removal procedure 1996.06.13
J2522A Modification Recommended J2522A-03 LAN select switch removal procedure 1996.06.13
J2522B Priority Safety J2522B-01-S New inverter board reduces chance of fire hazard 1995.09.30
J2522B Modification Recommended J2522B-02 Modification corrects improper Jam Signal to network 1995.10.31
J2522B Modification Recommended J2522B-03 Replacement PAW link (mouse pointer) corrects operating problems 1996.06.13
J2522B Modification Recommended J2522B-04 Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives 1996.06.13
J2522B Priority Safety J2522B-05-S Bottom chassis fastener (screw) may interfere with primary circuit component. 1996.07.31
J2522B Modification Recommended J2522B-07 Modifications improve reliability 1996.06.13
J2522B Modification Recommended J2522B-08 LAN select switch removal procedure 1996.06.13
J2522B Modification Recommended J2522B-09 Mod removes transversal jitter in display caused by built-in mouse 1996.06.13
J2522B Modification Recommended J2522B-10 Power supply snubber circuit modification 2001.01.07
J2523A Priority Safety J2523A-01-S Possible shock hazard if power cord earth ground defeated 1995.02.16
J2523A Modification Recommended J2523A-03 LAN select switch removal procedure 1996.06.13
J2523B Priority Safety J2523B-01-S New inverter board reduces chance of fire hazard 1995.09.30
J2523B Modification Recommended J2523B-03 Replacement PAW link (mouse pointer) corrects operating problems 1996.06.13
J2523B Modification Recommended J2523B-04 Upgrade F/W for Quantum 540 MB and 1.08 GB hard disk drives 1996.06.13
J2523B Priority Safety J2523B-05-S Bottom chassis fastener (screw) may interfere with primary circuit component. 1996.07.31
J2523B Modification Recommended J2523B-07 Modifications improve reliability 1996.06.13
J2523B Modification Recommended J2523B-08 LAN select switch removal procedure 1996.06.13
J2523B Modification Recommended J2523B-09 Mod removes transversal jitter in display caused by built-in mouse 1996.06.13
J2523B Modification Recommended J2523B-10 Power supply snubber circuit modification 2001.01.07
J2909A Modification Recommended J2909A-01 Framer chip rev B for digital board may cause E3 PLCP errors 1998.10.14
J2909A Modification Recommended J2909A-02 5064-0431 Analog Board Modification 1998.12.14
J2910A Modification Recommended J2910A-01 Framer chip rev B for digital board may cause E3 PLCP errors 1998.10.14
J2910A Modification Recommended J2910A-02 Analog Board Modification 1999.08.25
J2912A Modification Available J2912A-01 Upgrade J2912A to a J2912B Procedure 1999.02.17
J2912A Modification Recommended J2912A-02B Modification to correct network errors 2000.11.05
J2912B Modification Recommended J2912B-01A Mod to correct false line status 1999.06.23
J2913A Modification Available J2913A-01 Upgrade J2913A to a J2913B Procedure 1999.02.17
J2913A Modification Recommended J2913A-02A Mod to correct false line status 1999.06.23
J2913B Modification Recommended J2913B-01A Mod to correct false line status 1999.06.23
J3320A Information Only J3320A-01 MAC address reprogramming for all exch/repl assemblies 1998.03.02
J3320A Modification Recommended J3320A-02 FDDI LanProbes may show inaccurate values 1998.03.01
J3320A Modification Recommended J3320A-05 Flash ROM Size Upgrade from 256k to 512K 1999.08.09
J3321A Information Only J3321A-01 MAC address reprogramming for all exch/repl assemblies 1998.03.02
J3321A Modification Recommended J3321A-02 FDDI LanProbes may show inaccurate values 1998.03.01
J3321A Modification Recommended J3321A-05 Flash ROM Size Upgrade from 256k to 512K 1999.08.09
J3322A Information Only J3322A-01 MAC address reprogramming for all exch/repl assemblies 1998.03.02
J3322A Modification Recommended J3322A-02 FDDI LanProbes may show inaccurate values 1998.03.01
J3322A Modification Recommended J3322A-05 Flash ROM Size Upgrade from 256k to 512K 1999.08.09
J3444A Modification Recommended J3444A-01 The RFI bracket may cause short on the J3444A Network Interface Assembly. 1997.08.31
J3444A Modification Recommended J3444A-02 The Plug & Play ROM and I/O boundary ROM may need to be updated. 1998.08.31
J3444A Modification Recommended J3444A-03 Mod to fix AMP hardware Error: FIFO Overflow 2000.11.01
J3446C Modification Available J3446C-02B Procedure for installing upgrade kit. 2001.11.14
J3446C Modification Recommended J3446C-03 Mod to fix AMP hardware Error: FIFO Overflow 2000.11.01
J3446D Modification Recommended J3446D-01 Mod to fix AMP hardware Error: FIFO Overflow 2000.11.01
J3446D Modification Available J3446D-02 Procedure for installing the upgrade kit. 2001.11.14
J3458A Modification Available J3458A-02 Failure of adhesive on RFI gasket material on the RFI shield 2001.06.13
J3911A Modification Available J3911A-01 Failure of adhesive on RFI gasket material on the RFI shield 2001.06.14
J3913A Modification Available J3913A-01 Failure of adheasive on RFI gasket material on the RFI shield 2001.02.08
J3914A Modification Available J3914A-01 Failure of adheasive on RFI gasket material on the RFI shield 2001.02.08
J3915A Modification Recommended J3915A-01 WANProbe could interfere with normal WAN link operation 1999.04.06
J3915A Modification Available J3915A-02 Failure of adheasive on RFI gasket material on the RFI shield 2001.02.08
J3916A Modification Available J3916A-01 Failure of adheasive on RFI gasket material on the RFI shield 2001.02.08
J3917A Modification Available J3917A-01 Failure of adhesive on RFI gasket material 2001.02.12
J3919A Modification Available J3919A-01 Failure of adhesive on RFI gasket material 2001.02.12
J3920A Modification Available J3920A-01 Failure of adhesive on RFI gasket material 2001.02.12
J3921A Modification Available J3921A-01 Failure of adhesive on RFI gasket material 2001.02.12
J3934A Modification Available J3934A-01 Failure of adhesive on RFI gasket material 2001.02.12
J3935A Modification Available J3935A-01 Service ctnter upgrade to add V.34 Fax analysis to a TelegraD system 2000.11.03
J3935A Modification Available J3935A-02 Service ctnter upgrade to add V.34 Fax analysis to a TelegraD system 2000.11.03
J3947A Modification Available J3947A-01 Service ctnter upgrade to add V.34 Fax analysis to a TelegraD system 2000.11.03
J3953B Modification Recommended J3953B-01 Hardware upgrade to fix PESQ scores. 2002.04.10
J3972A Modification Available J3972A-01 Failure of adhesive on RFI gasket material 2001.02.12
J3988A Modification Recommended J3988A-01 Miswired power connector for additional 3.5 drive 2000.11.08
J4630A Modification Recommended J4630A-01 Improves PESQ scores. 2002.03.27
J5490A Modification Available J5490A-01 Failure of adhesive on RFI gasket material 2001.02.11
J6800A Modification Recommended J6800A-06A Corrects problem of "Connection to Server Lost" 2007.04.04
J6800A Modification Recommended J6800A-07A Network Analyzer failures involving unstable operation of the acquisition system after being repaired previously 2007.04.04
J6801A Modification Recommended J6801A-02 All J6801A's were assembled with PCB's lacking two (2) parts critical to proper operation. 2002.05.05
J6801A Modification Available J6801A-04 Instructions for changing the Ether sync switch for proper operation 2005.03.14
J6801A Information Only J6801A-05 If you replace the System board stack, be aware there are 2 different part numbers. 2006.01.09
J6801B Modification Recommended J6801B-01A Network Time Protocol synchronization does not function as clock-master correctly on affected units 2008.06.15
J6801B Information Only J6801B-02 The possibility exists that some number of instruments were shipped with as yet undetermined manufacturing defect. Symptoms of the defect include, random rebotting of hte unti, repeated crashes of hte internal flash file system, or failure of hte TRSM port to transmit data. (DNA0) 2008.06.17
J6801B Information Only J6801B-03 Capture stopped. Cannot keep up with incoming data rate 2009.03.20
J6802B Information Only J6802B-01 Tool required for proper alignment of CDROM to mounting bracket 2004.08.19
J6802B Modification Recommended J6802B-02A Line filter improperly wired in relation to fuses. 2006.07.17
J6802B Information Only J6802B-03 After replacing PN 0960-2446 the BIOS must be reflashed 2006.03.30
J6802B Information Only J6802B-04 The replacement CPU cooler fan is of a different design than the original and requires the removal of the mother board from the unit to effect replacement 2007.10.15
J6802B Information Only J6802B-05 As of 1 April 2010, when replacing the PCMCIA adapter card(PN 0960-2378), a new Full Recovery Data CD is required for re-imaging the hard disk drive of the J6802B DNA MX. 2010.04.06
J6803A Information Only J6803A-01 Instruments not properly re-assembled can have their NIC card adapter become unseated causing a loss of network connectivity. 2008.03.11
J6803A Information Only J6803A-02 As of 16 April 2009, a new Full Recovery Data CD is required for re-imaging the hard disk drive of the J6803A 2009.04.20
J6803A Modification Available J6803A-03 Repeated shipping of the J6803A can cause the opt 002 telemetry NIC to become unseated and thereby non-operational. 2009.07.07
J6803A Information Only J6803A-04 As of 1 April 2010, when replacing the PCMCIA adapter card (PN 0960-2378), a new Full Recovery Data CD is required for re-imaging the hard disk drive of the J6803A DNA Pro. 2010.04.06
J6803B Information Only J6803B-01 Instruments not properly re-assembled can have their NIC card adapter become unseated causing a loss of network connectivity. 2008.03.11
J6803B Information Only J6803B-02 Capture stopped. Cannot keep up with incoming data rate 2009.03.20
J6803B Information Only J6803B-03 As of 16 April, 2009, a new Full Recovery Data CD is required for re-imaging the hard disk drive of the J6803B. 2009.04.20
J6803B Modification Available J6803B-04 Repeated shipping of the J6803B can cause the opt 002 telemetry NIC to become unseated and thereby non-operational. 2009.07.07
J6803B Information Only J6803B-05 As of 1 April 2010, when replacing the PCMCIA adapter card (PN 0960-2378), a new Full Recovery Data CD is required for re-imaging the hard disk drive of the J6803B DNA Pro. 2010.04.06
J6803B Information Only J6803B-06 As of 1 August 2011, a new Full Recovery Data CD is required for re-imaging the hard disk drive of the J6803B DNA Pro 2011.08.30
J6803B Information Only J6803B-07 Units fail to boot properly, failing at Detecting IDE drivers 2011.10.07
J6804A Information Only J6804A-01 Capture stopped. Cannot keep up with incoming data rate 2009.03.20
J6811A Information Only J6811A-01C Wrong part loaded on 5065-9740 PCA 2003.04.23
J6813B Information Only J6813B-01C Wrong part loaded on 5065-9740 PCA 2003.04.23
J6815B Information Only J6815B-01C Wrong part loaded on 5065-9740 PCA 2003.04.23
J6816B Information Only J6816B-01C Wrong part loaded on 5065-9740 PCA 2003.04.23
J6817B Information Only J6817B-01C Wrong part loaded on 5065-9740 PCA 2003.04.23
J6818A Information Only J6818A-01C Wrong part loaded on 5065-9740 PCA 2003.04.23
J6828A Modification Available J6828A-01 After upgrading the power supply for the J6828A to 0950-5095, mounting the new supply in the rack-mount requires two additional pieces of sheet-metal. 2009.08.10
J7230A Safety J7230A-02-S Defective handle may cause personal injury 2002.09.10
J7263A Safety J7263A-01-S Potential power supply failure 2007.09.26
KEI2400 Modification Recommended KEI2400-01 The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. 2015.09.24
KEI2420 Modification Recommended KEI2420-01 The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. 2015.09.24
KEI2425 Modification Recommended KEI2425-01 The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. 2015.09.24
KEITH1-27OV8ND Modification Recommended KEITH1-27OV8ND-01 The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which lead caused few measurement points being failed. 2015.10.05
KEITH1-EOZGC Modification Recommended KEITH1-EOZGC-01 The product has Test limits changed to RESISTANCE MEASUREMENT ACCURACY test. Limits are now tighter than before. Due to the wrong specifications applied for Test Resistant Measurement Accuracy, required adjustments had not been performed which caused few measurement points being failed. 2015.10.05
L4411A Modification Recommended L4411A-01-RECALL RECALL-The L4411A has an ‘adjust always’ policy recommended by the supplying division. The calibration values determined in the adjustment routine were not stored in non-volatile memory. As a result, the unit reverted to the conditions indicated by the “As Received” conditions in the cal cert and the “As Received” measurement report. The conditions indicated in the “As Completed” conditions in the cal cert and the “As Completed” measurement report are not valid. 2010.04.08
L4421A Modification Recommended L4421A-01 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.07
L4421A Modification Recommended L4421A-02 Instrument cannot operate in 400 Hz 2015.07.02
L4433A Modification Recommended L4433A-01 Intermittent contact resistance with Analog Bus (ABus) relays. 2013.06.07
L4433A Modification Recommended L4433A-02 Instrument cannot operate in 400 Hz 2015.07.02
L4437A Modification Recommended L4437A-01 Instrument cannot operate in 400 Hz 2015.07.02
L4445A Information Only L4445A-01A Interruption in firmware causes flash erase instead of a special flash read operation. 2008.04.14
L4445A Modification Recommended L4445A-02 Instrument cannot operate in 400 Hz 2015.07.02
L4450A Modification Recommended L4450A-01 Instrument cannot operate in 400 Hz 2015.07.02
L4451A Modification Recommended L4451A-01 Relay contact contamination causes variation in performance. 2013.06.07
L4451A Modification Recommended L4451A-02 Instrument cannot operate in 400 Hz 2015.07.02
L4452A Modification Recommended L4452A-01 Instrument cannot operate in 400 Hz 2015.07.02
L4490A Information Only L4490A-01A 34945EXT modules purchased after June 1, 2008 require L4490A mainframe firmware revision 2.33 or greater. 2008.09.24
L4490A Modification Recommended L4490A-02 Controller box assembly is not compatible with rear panel assemblyController box assembly is not compatible with rear panel assembly 2015.05.08
L4490A Modification Recommended L4490A-03 Instrument cannot operate in 400 Hz 2015.07.02
L4490A Modification Recommended L4490A-04 Devices found to have duplicate MAC addresses can cause an IP conflict when connected on the same local network. 2019.03.21
L4491A Information Only L4491A-01A 34945EXT modules purchased after June 1, 2008 require L4491A mainframe firmware revision 2.33 or greater. 2008.09.24
L4491A Modification Recommended L4491A-02 Controller box assembly is not compatible with rear panel assembly 2015.05.08
L4491A Modification Recommended L4491A-03 Instrument cannot operate in 400 Hz 2015.07.02
L4491A Modification Recommended L4491A-04 Devices found to have the same MAC address can cause an IP conflict when connected on the same local network. 2019.03.21
L4532A Modification Recommended L4532A-01 BNC O-RING must be moved from old to new L4532-66703 Channel Board 2011.03.07
L4534A Modification Recommended L4534A-01 BNC O-RING must be moved from old to new L4532-66703 Channel Board 2011.03.07
M1740A Information Only M1740A-01 M1740A Revision 5 RRH (MY5827xxxx and US5823xxxx) are no longer manufactured. These have been replaced by the M1740A Revision 6 RRH 2019.08.29
M1740A Modification Recommended M1740A-02 Center pin of External trigger connector breakage. Add the M1740-20034 RF support bracket to hold the External trigger cable and prevent the center pin breakage. 2020.02.19
M3201A Modification Recommended M3201A-01 Possible D.C offset error on the AWG output 2018.02.07
M3202A Modification Recommended M3202A-01 Possible D.C offset error on the AWG output 2018.02.07
M3300A Modification Recommended E3300A-01 Possible D.C offset error on the AWG output 2018.02.07
M3302A Modification Recommended M3302A-01 Possible D.C offset error on the AWG output 2018.02.07
M8062A Modification Recommended M8062A-01 Some systems may not run error-free at data rates above 32 Gbps with System Clock selected as the M8062A Analyzer Clock Source. 2016.04.11
M8062A Modification Recommended M8062A-02 When using the CDR as the M8062A Analyzer Clock Source and operating at data rates near 16 Gbps (8 GHz clock frequency), some units may experience elevated jitter levels on the recovered clock, as measured at the Analyzer Clock Out connector. 2016.04.11
M8062A Modification Recommended M8062A-03 When using the CDR as the M8062A Analyzer Clock Source and operating at data rates near 8 Gbps (4 GHz clock frequency), some units may experience elevated jitter levels on the recovered clock, as measured at the Analyzer Clock Out connector. 2016.04.11
M9010A Safety M9010A-01 Arcing between AC connector and sheet metal results in Hi-Pot failure 2017.09.24
M9010A Information Only M9010A-02 Chassis intermittently cannot power on when use with M9161D and/or Duagon F204 modules. 2024.03.07
M9010A Modification Recommended M9010A-03 Chassis fail to boot after FW update was done with driver version 1.7.913.1 or 1.7.925.1. 2024.03.07
M9010A Information Only M9010A-04 System not being able to enumerate PXI modules due to code 10 errors under Device Manager for PCI Express to PCI/PCI-X Bridge when use with M9025A. 2024.04.25
M9018A Information Only M9018A-01A PXI Express (PXIe) compliance issue with M9018A when operating in the “2-Link Configuration: 1x8”. 2012.03.20
M9018A Information Only M9018A-03A System not being able to enumerate PXI modules due to code 10 errors under Device Manager for PCI Express to PCI/PCI-X Bridge when use with M9025A. 2024.04.25
M9018A Modification Recommended M9018A-04 M9018A Serial Number Does Not Display in Agilent Connection Expert 2013.02.12
M9018A Information Only M9018A-06 M9018A Low Power Chassis 2014.06.06
M9018A Modification Recommended M9018A-07 Unable to install PXI modules due to chassis insufficient height clearance 2015.02.12
M9018A Safety M9018A-08-S Chassis and installed modules may overheat in the event of complete fan failures 2015.02.11
M9018A Modification Recommended M9018A-09A Chassis fail to lock to external 10 MHz reference with Hardware Revision 1.01 FPGA. 2015.09.10
M9018A Modification Recommended M9018A-10 PCIe Link Between the Host PC/Embedded Controller and M9018A 18 slot PXIe Chassis Cannot Come Up. 2017.01.17
M9018A Modification Recommended M9018A-11 Fans erroneously ramp to full speed and chassis shuts down after about 30 minutes of use 2019.09.04
M9018B Modification Recommended M9018B-02 Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. 2022.07.07
M9018B Modification Recommended M9018B-02A Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. 2022.08.23
M9018B Modification Recommended M9018B-02B Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. 2022.09.06
M9018B Information Only M9018B-03 Code 10 errors under Device Manager for PCI Express to PCI/PCI-X Bridge when use with M9025A. 2023.07.26
M9018B Modification Recommended M9018B-04 M9018B Soft Front Panel displays Unexpected Internal Software Error (BFFA0018) 2023.10.10
M9018B Information Only M9018B-04A M9018B Soft Front Panel displays Unexpected Internal Software Error (BFFA0018) 2024.01.10
M9018B Information Only M9018B-05 Chassis intermittently cannot power on when use with M9161D and/or Duagon F204 modules. 2024.03.07
M9018B Modification Recommended M9018B-06 Chassis fail to boot after FW update was done with driver version 1.7.913.1 or 1.7.925.1. 2024.03.07
M9019A Modification Recommended M9019A-02 Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. 2022.07.07
M9019A Modification Recommended M9019A-02A Chassis Soft Front Panel froze when used with M9411A/M9414A/M5302A/E6681A modules and exposed to +/-4kV ESD event in EU, UK, or South Korea. 2022.08.23
M9019A Information Only M9019A-03 Code 10 errors under Device Manager for PCI Express to PCI/PCI-X Bridge when use with M9025A. 2023.07.26
M9019A Information Only M9019A-03A System not being able to enumerate PXI modules due to code 10 errors under Device Manager for PCI Express to PCI/PCI-X Bridge when use with M9025A. 2024.04.25
M9019A Information Only M9019A-04 Chassis intermittently cannot power on when use with M9161D and/or Duagon F204 modules. 2024.03.07
M9019A Modification Recommended M9019A-05 Chassis fail to boot after FW update was done with driver version 1.7.913.1 or 1.7.925.1. 2024.03.07
M9021A Modification Recommended M9021A-01 With the M9021A installed, the M9018A chassis may power up unexpectedly when the power cord is plugged into the chassis. 2011.07.18
M9021A Modification Recommended M9021A-02 PCIe Link Between the Host PC/Embedded Controller and M9018A 18 slot PXIe Chassis Cannot Come Up. 2017.01.17
M9036A Information Only M9036A-03 Change in boot order causing long boot time for the M9036A 2013.08.09
M9036A Modification Recommended M9036A-04A Intel Active Management Technology Escalation of Privilege 2017.07.06
M9036A Modification Recommended M9036A-05 Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack 2017.06.11
M9036A Modification Recommended M9036A-06 INTEL-SA-00115 Security Vulnerability Issue 2019.12.09
M9037A Modification Recommended M9037A-02 Inability to Boot Up at Power On 2015.05.20
M9037A Modification Recommended M9037A-04 PCIe Link Between the Host PC/Embedded Controller and M9018A 18 slot PXIe Chassis Cannot Come Up. 2017.01.17
M9037A Modification Recommended M9037A-05 Intel Active Management Technology Escalation of Privilege 2017.06.04
M9037A Modification Recommended M9037A-06 Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack 2017.06.04
M9037A Modification Available M9037A-07A Front panel PCIe port cannot reliably perform at Gen3 speeds. 2018.10.10
M9037A Modification Recommended M9037A-08 “Test Mode” Watermark is Displayed on Desktop 2018.01.18
M9038A Information Only M9038A-01 Code 12 errors under Device Manager 2022.11.29
M9038A Information Only M9038A-02 Licensing errors when used with Keysight Licensing Software 2022.12.05
M9038A Information Only M9038A-03 Intermittent loss of 10GbE LAN connection with code 43 error displayed in Device Manager. 2023.01.25
M9045B Information Only M9045B-01 Potentially slower communication due to M9045B bit error issue 2012.09.21
M9046A Information Only M9046A-01 Device Manager May Not Recognize M52xxA and/or M53xxA Modules Installed in the M9046A Chassis 2023.06.13
M9181A Information Only M9181A-01 Reemphasize on safety precaution 2021.01.25
M9181A Information Only M9181A-02 Incorrect front panel rated voltage 2021.01.25
M9182A Information Only M9182A-01 Reemphasize on safety precaution 2021.01.25
M9182A Information Only M9182A-02 Specification change in the floating isolation and maximum allowable measured voltage for the M9182A PXI Digital Multimeter. 2022.12.07
M9182A Information Only M9182A-02A Specification change in the floating isolation and maximum allowable measured voltage for the M9182A PXI Digital Multimeter. 2023.05.21
M9182A Information Only M9182A-03 Safety precautions in the floating isolation and maximum allowable measured voltage for the M9182A PXI Digital Multimeter. 2023.05.21
M9183A Information Only M9183A-01 Reemphasize on safety precaution 2021.01.25
M9183A Information Only M9183A-02 Specification change in the floating isolation and maximum allowable measured voltage for the M9183A PXI Digital Multimeter. 2022.12.07
M9183A Information Only M9183A-02A Specification change in the floating isolation and maximum allowable measured voltage for the M9183A PXI Digital Multimeter. 2023.05.21
M9183A Information Only M9183A-03 Safety precautions in the floating isolation and maximum allowable measured voltage for the M9183A PXI Digital Multimeter. 2023.05.21
M9202A Information Only M9202A-01A M9202A does not show up in the PXI Express System Description File 2012.03.20
M9380A Modification Recommended M9380A-01 The M9380A may exhibit a power level accuracy offset across the entire frequency band and at all power levels. 2013.07.09
M9381A Modification Recommended M9381A-01 The M9381A may exhibit a power level accuracy offset across the entire frequency band and at all power levels. 2013.07.09
M9502A Modification Recommended M9502A-02 Chassis does not appear in the Agilent Connection Expert PXI0 tree 2012.06.05
M9502A Modification Recommended M9502A-03 Incorrect LAN LEDs labeling on the Embedded System Module (ESM) front panel 2012.06.25
M9502A Safety M9502A-04A-S Chassis carry handle may come off while handling. Potential damage to circuit breaker due to carry handle screws inserted without the carry handle and bumpers. 2014.11.20
M9502A Modification Recommended M9502A-05 M9505-00230 Embedded System Module (ESM) USB option may have USB connection problem 2014.08.27
M9502A Modification Recommended M9502A-07 System unable to boot up and the green LED status keeps blinking. 2021.11.03
M9502A Modification Recommended M9502A-07A System unable to boot up and the green LED status keeps blinking. 2022.04.14
M9502A Information Only M9502A-09 Fans ramp up and down between off and maximum state when M9502-00019 fan assembly is used with chassis FW 1.3.46/2.1.6 or older version. 2024.03.04
M9502A Information Only M9502A-09A Fans ramp up and down between off and maximum state when M9502-00019 fan assembly is used with chassis FW 1.3.46/2.1.6 or older version. 2024.07.24
M9505A Modification Recommended M9502A-08 Enumeration issues when powering up with USB Embedded System Module (ESM). 2022.09.18
M9505A Modification Recommended M9505A-02 Failure of modules to power up on 100-120V power line operation 2012.01.08
M9505A Modification Recommended M9505A-03 Chassis does not appear in the Agilent Connection Expert PXI0 tree 2012.06.05
M9505A Modification Available M9505A-04 Replace power supply module to avoid system reset due to line voltage dropout issue 2012.10.17
M9505A Safety M9505A-05A-S Chassis carry handle may come off while handling 2014.11.20
M9505A Modification Recommended M9505A-06 M9505-00230 Embedded System Module (ESM) USB option may have USB connection problem 2014.08.27
M9505A Modification Recommended M9505A-08 System unable to boot up and the green LED status keeps blinking. 2021.11.03
M9505A Modification Recommended M9505A-08A System unable to boot up and the green LED status keeps blinking. 2022.04.14
M9505A Modification Recommended M9505A-09 Enumeration issues when powering up with USB Embedded System Module (ESM). 2022.09.18
M9505A Information Only M9505A-10 Fans ramp up and down between off and maximum state when M9505-00019 fan assembly is used with chassis FW 1.3.46/2.1.6 or older version. 2024.09.13
M9536A Modification Recommended M9536A-02 Error occurs when running Agilent Recovery System 2012.04.09
M9536A Modification Recommended M9536A-03 Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack 2017.06.04
M9537A Modification Recommended M9537A-02 Embedded Controller Encountered Hang Up or Blue Screen during Operating System Recovery 2017.05.31
M9537A Modification Recommended M9537A-03 Prevention of WannaCry/WannaCrypt Ransomeware Cyberattack 2017.06.11
M9537A Modification Recommended M9537A-04 Intel Active Management Technology Escalation of Privilege 2017.11.29
M9537A Modification Available M9537A-05 M9537A Embedded Controller Cannot Detect the M9506A Chassis and Modules 2020.03.11
M9537A Modification Available M9537A-05A M9537A Embedded Controller Cannot Detect the M9506A Chassis and Modules 2020.12.13
M9537A Modification Recommended M9537A-06 Front Panel PCIe Connector Not Working 2020.01.07
M9601A Modification Recommended M9601A-01 The M9601A will not meet published specifications for DC measurement accuracy. 2020.11.29
M9601A Information Only M9601A-02 When M9601A is used with the Power Supply Mode, it may issue the Emergency signal and may shutdown when the temperature inside the module becomes higher than the limit. Whether it occurs or not depends on the voltage and current operating point and the cooling capability of the PXIe mainframe. This is also due to the incorrect firmware set up for the Power Supply Mode and it is fixed in the firmware revision 4.5.2398.0. 2023.02.01
M9614A Modification Recommended M9614A-01 The M9614A might fail if the product is used under certain condition described in the Situation section below. 2021.06.21
M9615A Modification Recommended M9615A-01 The M9615A will not meet published specifications for DC measurement accuracy. 2021.06.21
M9800A Information Only M9800A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9801A Information Only M9801A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9802A Information Only M9802A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9803A Information Only M9803A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9804A Information Only M9804A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9805A Information Only M9805A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9806A Information Only M9806A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9807A Information Only M9807A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
M9808A Information Only M9808A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
MSO6032A Priority Safety MSO6032A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
MSO6032A Information Only MSO6032A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
MSO6034A Priority Safety MSO6034A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
MSO6034A Information Only MSO6034A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
MSO6052A Priority Safety MSO6052A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
MSO6052A Information Only MSO6052A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
MSO6054A Priority Safety MSO6054A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
MSO6054A Information Only MSO6054A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
MSO6102A Information Only MSO6102A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
MSO6104A Priority Safety MSO6104A-01A-S Installing dielectric insulator to prevent possible shock hazard. 2007.03.19
MSO6104A Information Only MSO6104A-02 6000 Series oscilloscope may fail to boot. 2006.10.13
MSO7032A Modification Recommended MSO7032A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.10.01
MSO7034A Modification Recommended MSO7034A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
MSO7052A Modification Recommended MSO7052A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
MSO7054A Modification Recommended MSO7054A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
MSO7104A Modification Recommended MSO7104A-01 New Cap-Strap Handles are replacing older ones that might crack with use. 2008.09.30
MSO8064A Information Only MSO8064A-01 Hard Drive Replacement Kit 2007.01.30
MSO8064A Information Only MSO8064A-02 Motherboard PN D81004-68809 not available 2007.06.01
MSO8064A Information Only MSO8064A-03 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.13
MSO8064A Information Only MSO8064A-04 Update to Service Guide listing new vs old part numbers to support the change to the motherboard assembly. 2007.07.18
MSO8064A Information Only MSO8064A-05 The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
MSO8104A Modification Recommended MSO8104A-01B USB Connectors desconnect from the motherboard in 8000, 80000 Series 2006.11.29
MSO8104A Information Only MSO8104A-02 Hard Drive Replacement Kit 2007.01.30
MSO8104A Information Only MSO8104A-03 Motherboard PN D81004-68809 not available 2007.06.01
MSO8104A Information Only MSO8104A-04 Hard Drive Replacment Kit D81004-68702, for new motherboard M880 2007.06.13
MSO8104A Information Only MSO8104A-05A The original scopes motherboard is no longer available for replacement if the above serial numbers of scopes need a replacement board. This new replacement motherboard will requires some different cables and other hardware. This service note is to provide service centers the documentation to perform the motherboard upgrade. 2010.04.05
MSO9064A Modification Recommended MSO9064A-01A Intermittent power failure on some 9000 series units. 2012.02.02
MSO9064A Modification Recommended MSO9064A-03 Intermittent shutdown issue is J124 connector and 12 volt Bulk power cable connection problem. 2012.09.12
MSO9064A Information Only MSO9064A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
MSO9104A Modification Recommended MSO9104A-01 Rev 005 acquisiton boards should be replaced 2010.02.10
MSO9104A Modification Recommended MSO9104A-03 Repair for Windows “Power surge on hub” message 2011.04.11
MSO9104A Modification Recommended MSO9104A-05 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
MSO9104A Information Only MSO9104A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
MSO9254A Modification Recommended MSO9254A-01 Rev 005 acquisiton boards should be replaced 2010.02.10
MSO9254A Modification Recommended MSO9254A-03 Repair for Windows “Power surge on hub” message 2011.04.11
MSO9254A Modification Recommended MSO9254A-05 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
MSO9254A Information Only MSO9254A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
MSO9404A Modification Recommended MSO9404A-01 Rev 005 acquisiton boards should be replaced 2010.02.10
MSO9404A Modification Recommended MSO9404A-03 Repair for Windows “Power surge on hub” message 2011.04.11
MSO9404A Modification Recommended MSO9404A-05 There has been reported a failure seen on 90000A front panels termed as “Unresponsive knobs”. This issue is usually observed on the channel 2 position knob. Cycling the Infiniium application off and then on most often restarts the knobs operation again. 2013.07.23
MSO9404A Information Only MSO9404A-08 Upon completion of service or user calibration if the customer is not ok with upgrading the revision of software of the scope to >5.50.0033, there is a chance that the unit may end up with excessive noise on the screen at certain vertical settings. 2016.05.10
MSOS054A Modification Recommended MSOS054A-02C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
MSOS054A Modification Recommended MSOS054A-02D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
MSOS054A Modification Recommended MSOS054A-02E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
MSOS054A Modification Recommended MSOS054A-02F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
MSOS104A Modification Recommended MSOS104A-03C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
MSOS104A Modification Recommended MSOS104A-03D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
MSOS104A Modification Recommended MSOS104A-03E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
MSOS104A Modification Recommended MSOS104A-03F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
MSOS104A Modification Recommended MSOS104A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
MSOS204A Modification Recommended MSOS204A-02B Under certain circumstances a PLL2 error may occur on the S-series products. 2019.03.05
MSOS204A Modification Recommended MSOS204A-02C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
MSOS204A Modification Recommended MSOS204A-02D Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
MSOS204A Modification Recommended MSOS204A-02E Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
MSOS204A Modification Recommended MSOS204A-04 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
MSOS254A Modification Recommended MSOS254A-03C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
MSOS254A Modification Recommended MSOS254A-03D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
MSOS254A Modification Recommended MSOS254A-03E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
MSOS254A Modification Recommended MSOS254A-03F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
MSOS254A Modification Recommended MSOS254A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
MSOS404A Modification Recommended MSOS404A-03C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
MSOS404A Modification Recommended MSOS404A-03D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
MSOS404A Modification Recommended MSOS404A-03E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
MSOS404A Modification Recommended MSOS404A-03F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
MSOS404A Modification Recommended MSOS404A-05 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
MSOS604A Modification Recommended MSOS604A-02C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
MSOS604A Modification Recommended MSOS604A-02D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
MSOS604A Modification Recommended MSOS604A-02E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
MSOS604A Modification Recommended MSOS604A-02F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
MSOS804A Modification Recommended MSOS804A-02C Under certain circumstances a PLL2 error may occur on the S-series products. 2019.05.09
MSOS804A Modification Recommended MSOS804A-02D Under certain circumstances a PLL2 error may occur on the S-series products. 2019.10.14
MSOS804A Modification Recommended MSOS804A-02E Under certain circumstances a PLL2 error may occur on the S-series products. 2023.03.19
MSOS804A Modification Recommended MSOS804A-02F Under certain circumstances a PLL2 error may occur on the S-series products. 2024.03.17
MSOS804A Modification Recommended MSOS804A-04 A pair of resistors were placed in the wrong location on the VCO circuitry. 2018.06.07
MSOV084A Information Only MSOV084A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
MSOV134A Information Only MSOV134A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
MSOV164A Information Only MSOV164A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
MSOV204A Information Only MSOV204A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
MSOV254A Information Only MSOV254A-03A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
MSOV334A Modification Recommended MSOV334A-02A V-series scopes can shut down after the initial power on. 2018.06.28
MSOV334A Information Only MSOV334A-04A Service engineers repairing and replacing acquisition(s) or backplane assemblies need to order the appropriate part numbers. There are multiple part numbers for Non-RoHS compliant assemblies and for RoHS compliant assemblies. The Oscilloscopes serial number will determine which part number to order and replace with. 2021.01.20
MSOX2002A Modification Recommended MSOX2002A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX2002A Information Only MSOX2002A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX2002A Information Only MSOX2002A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
MSOX2004A Modification Recommended MSOX2004A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX2004A Information Only MSOX2004A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX2004A Information Only MSOX2004A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
MSOX2012A Modification Recommended MSOX2012A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX2012A Information Only MSOX2012A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX2012A Information Only MSOX2012A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
MSOX2014A Modification Recommended MSOX2014A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX2014A Information Only MSOX2014A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX2014A Information Only MSOX2014A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
MSOX2022A Modification Recommended MSOX2022A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX2022A Information Only MSOX2022A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX2022A Information Only MSOX2022A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
MSOX2024A Modification Recommended MSOX2024A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX2024A Information Only MSOX2024A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX2024A Information Only MSOX2024A-05 Method for correcting a “Corrupted Firmware” or “OS Version is not correct” error. 2013.08.06
MSOX3012A Modification Recommended MSOX3012A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX3012A Information Only MSOX3012A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3014A Modification Recommended MSOX3014A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX3014A Information Only MSOX3014A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3024A Modification Recommended MSOX3024A-03 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX3024A Information Only MSOX3024A-04 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3032A Modification Recommended MSOX3032A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX3032A Information Only MSOX3032A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3034A Modification Recommended MSOX3034A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX3034A Information Only MSOX3034A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3052A Modification Recommended MSOX3052A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX3052A Information Only MSOX3052A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3054A Modification Recommended MSOX3054A-01 With the oscilloscope’s power on and while under normal operation the unit emits a hissing noise. 2012.06.22
MSOX3054A Information Only MSOX3054A-03 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3102A Information Only MSOX3102A-01 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX3104A Information Only MSOX3104A-01 Corrupted firmware code renders the oscilloscope inoperable. 2012.12.05
MSOX4022A Modification Recommended MSOX4022A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4022A Modification Recommended MSOX4022A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4024A Modification Recommended MSOX4024A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4024A Modification Recommended MSOX4024A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4024A Safety MSOX4024A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
MSOX4032A Modification Recommended MSOX4032A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4032A Modification Recommended MSOX4032A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4034A Modification Recommended MSOX4034A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4034A Modification Recommended MSOX4034A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4034A Safety MSOX4034A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
MSOX4052A Modification Recommended MSOX4052A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4052A Modification Recommended MSOX4052A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4054A Modification Recommended MSOX4054A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4054A Modification Recommended MSOX4054A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4054A Safety MSOX4054A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
MSOX4104A Modification Recommended MSOX4104A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4104A Modification Recommended MSOX4104A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4104A Safety MSOX4104A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
MSOX4154A Modification Recommended MSOX4154A-01 A replacement of the power supply cover is needed when the cabinet assembly is replaced. 2013.09.03
MSOX4154A Modification Recommended MSOX4154A-02 Update to latest firmware before calibrating 4000 X-Series scope if firmware is 3.11 or lower to improve digital channel performance. 2014.01.21
MSOX4154A Safety MSOX4154A-04-S Over the past month, Keysight observed failures during the Routine Safety Test. Investigation found a recently changed R101 resistor, from a 39K ohm part to a new 47K ohm part is against the printed circuit board ground plane and insulation breakdown may cause a safety concern. This issue is limited to the serial numbers listed above. 2018.12.13
MX0020A Modification Recommended MX0020A-01 The early shipments of MX0020A probes have been found to have a quality concern that can cause probes to not be recognized when attached to the scope channel. 2021.12.07
MX0023A Modification Recommended MX0023A-01 The early shipments of MX0023A probes have been found to have an assembly issue with the AutoProbe Interface 2 Flex Circuit alignment. This causes intermittent probe read errors once attached to the scopes interface. 2021.10.13
MX0023A Modification Recommended MX0023A-01A The early shipments of MX0023A probes have been found to have 2 quality concerns that can cause probes to not be recognized when attached to the scope channel. This can be intermittent or constant 2021.12.06
MX0025A Modification Recommended MX0025A-01 The early shipments of MX0025A probes have been found to have a quality concern that can cause probes to not be recognized when attached to the scope channel. 2021.12.07
MXR054A Modification Available MXR054A-01 Noisy fans 2022.05.04
MXR058A Modification Available MXR058A-01 Noisy fans 2022.05.04
MXR104A Modification Available MXR104A-01 Noisy fans 2022.05.04
MXR108A Modification Available MXR108A-01 Noisy fans 2022.05.04
MXR204A Modification Available MXR204A-01 Noisy fans 2022.05.04
MXR208A Modification Available MXR208A-01 Noisy fans 2022.05.04
MXR254A Modification Available MXR254A-01 Noisy fans 2022.05.04
MXR258A Modification Available MXR258A-01 Noisy fans 2022.05.04
MXR404A Modification Available MXR404A-01 Noisy fans 2022.05.04
MXR408A Modification Available MXR408A-01 Noisy fans 2022.05.04
MXR604A Modification Available MXR604A-01 Noisy fans 2022.05.04
MXR608A Modification Available MXR608A-01 Noisy fans 2022.05.04
N432A Modification Recommended N432A-02 N432A unit missing calibration traceability 2013.11.05
N432A Modification Recommended N432A-03 Loosen power reference connector assembly 2017.09.28
N432A Modification Recommended N432A-05 1mW Power Reference Failure 2022.09.18
N1000A Information Only N1000A-01 Timebase calibration requires a 24-hour bake out period for optimal accuracy. 2021.03.15
N1000A Information Only N1000A-02A The N1000A CPU board no longer supports the rear-panel Audio IN, Audio OUT, and Microphone ports 2021.08.03
N1000A Modification Recommended N1000A-03 Prior to SN MY59280000, N1000A mainframes were manufactured without spacers installed on the front panel knob shafts. With time and use, front panel knob click/push feature can stop functioning properly. 2022.05.10
N1000A Information Only N1000A-04 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.18
N1020A Information Only N1020A-02 Damaged probe tips cannot be repaired: they must be replaced. 2002.02.14
N1030A Information Only N1030A-01 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1030B Information Only N1030B-01 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1040A Information Only N1040A-01 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1045B Information Only N1045B-01 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1046A Modification Recommended N1046A-01 Beginning with Serial Number US58400101, a design change has been implemented for the N1046A to allow for faster sampling when used with the N1000A DCA-X mainframe. For units with lower serial numbers, a digital board upgrade shall be performed during regularly scheduled service to enable the faster sampling rate capability. NOTE: Upgraded units will require FlexDCA version 6.00 or later to operate. This upgrade is to be performed with customer consent only. 2018.10.14
N1046A Information Only N1046A-02 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1055A Modification Recommended N1055A-01 Beginning with serial number MY57200001, a design change has been implemented on the N1055A remote head sampler board. When changing sampler boards on units with lower serial numbers, all sampler boards may need to be replaced to prevent mixed design hardware configurations. 2018.07.23
N1055A Modification Recommended N1055A-02 Bandwidth optimization adjustments were performed without temperature compensation being done afterward for several N1055A modules. 2021.02.03
N1060A Modification Recommended N1060A-01 Modification available to improve the loop bandwidth peaking 2019.08.25
N1060A Modification Available N1060A-02 An enhanced version of FPGA code is available which will significantly improve CDR locking speed when using Bandwidth Loop Tuning or Jitter Spectrum Analysis (JSA). 2021.01.25
N1060A Information Only N1060A-03 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1060A Modification Available N1060A-04 A hardware upgrade is available which may improve 12-Edge Output Jitter EOJ measurement repeatability for some devices. 2023.03.08
N1060A Modification Available N1060A-04A A performance enhancing hardware upgrade is available which may improve 12-Edge Output Jitter EOJ measurement repeatability for some devices. 2024.10.07
N1076A Information Only N1076A-01 A newer version of N1010A FlexDCA software may be required after repair. 2022.08.03
N1076B Modification Recommended N1076B-01 Modification available to improve Clock Recovery performance on N1076B. 2019.01.10
N1076B Modification Recommended N1076B-02 Modification available to improve Clock Recovery performance on N1076B. 2019.08.25
N1076B Modification Available N1076B-03 An enhanced version of FPGA code is available which will significantly improve CDR locking speed when using Bandwidth Loop Tuning or Jitter Spectrum Analysis (JSA). 2021.01.25
N1076B Information Only N1076B-04 A newer version of N1010A FlexDCA software may be required after repair. 2022.08.03
N1077A Information Only N1077A-01 A newer version of N1010A FlexDCA software may be required after repair. 2022.08.03
N1077B Modification Recommended N1077B-01 Cables manufactured with non-conforming material were found to have been used in N1077B production. 2022.06.23
N1078A Modification Recommended N1078A-01 Modification available to improve Clock Recovery performance on N1078A. 2019.01.10
N1078A Modification Recommended N1078A-02 Modification available to improve Clock Recovery performance on N1078A. 2019.08.25
N1078A Modification Available N1078A-03 An enhanced version of FPGA code is available which will significantly improve CDR locking speed when using Bandwidth Loop Tuning or Jitter Spectrum Analysis (JSA). 2021.01.25
N1078A Information Only N1078A-04 A newer version of N1010A FlexDCA software may be required after repair. 2022.08.03
N1090A Modification Recommended N1090A-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1090A Modification Recommended N1090A-02 Extinction Ratio (ER) calibration issue. 2023.09.28
N1092A Modification Recommended N1092A-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1092A Modification Recommended N1092A-02A A hardware upgrade is available which improves the TDECQ measurement. 2020.11.10
N1092A Information Only N1092A-03 Timebase calibration requires a 24-hour bake out period for optimal accuracy. 2021.03.15
N1092A Modification Available N1092A-04 An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 2021.08.08
N1092A Modification Available N1092A-04A An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 2023.10.11
N1092A Information Only N1092A-05 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1092A Modification Recommended N1092A-06 A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. 2023.11.08
N1092B Modification Recommended N1092B-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1092B Modification Recommended N1092B-02A A hardware upgrade is available which improves the TDECQ measurement. 2020.11.10
N1092B Modification Available N1092B-03 An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A 2021.08.08
N1092B Modification Available N1092B-03A An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 2023.10.11
N1092B Information Only N1092B-05 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1092B Modification Recommended N1092B-06 A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. 2023.11.08
N1092C Modification Recommended N1092C-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1092C Modification Available N1092C-02 An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A 2021.08.08
N1092C Modification Available N1092C-02A An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 2023.10.11
N1092C Information Only N1092C-03 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1092C Modification Recommended N1092C-04 A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. 2023.11.08
N1092D Modification Recommended N1092D-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1092D Modification Available N1092D-02 An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A 2021.08.08
N1092D Modification Available N1092D-02A An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 2023.10.11
N1092D Information Only N1092D-03 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1092D Modification Recommended N1092D-04 A MM Optical Calibration adjustment may have impacted the multimode Optical RMS Noise performance during the last calibration cycle. 2023.11.08
N1092E Information Only N1092E-03 A newer version of N1010A FlexDCA software may be installed after repair. 2022.05.17
N1092E Modification Available N1092E-02 An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A 2021.08.08
N1092E Modification Available N1092E-02A An improved extinction ratio calibration is available for DCA-M Sampling Oscilloscopes with option 30A or N28 2023.10.11
N1092E Modification Recommended N1092E-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1094A Modification Recommended N1094A-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1094A Information Only N1094A-02 A newer version of N1010A FlexDCA software may be required after repair. 2022.05.17
N1094B Modification Recommended N1094B-01 Replace the left front panel overlay that shows the new clock input level at 1.4 Vp-p Max. 2019.02.20
N1094B Information Only N1094B-02 A newer version of N1010A FlexDCA software may be required after repair. 2022.05.17
N1125A Information Only N1125A-01 Keysight CCL License patch update version 5.5.1 release 2023.05.10
N1245A Information Only N1245A-01 Fuses may work loose from controller boards for Coherent Sapphire Lasers 2013.02.07
N1245B Information Only N1245B-01 Fuses may work loose from controller boards for Coherent Sapphire Lasers 2013.02.07
N1911A Information Only N1911A-01 Firmware Upgrade Utility (FUU) 2007.03.13
N1911A Modification Recommended N1911A-06 Procedure to resolve flickering display for N1911A-Standard Option 2013.04.03
N1911A Modification Recommended N1911A-07 For the linearity test, the Logic for the Results column uses linear units for the measurement uncertainty, while the measurement is in percent. This can result in false passes. 2014.09.02
N1911A Modification Recommended N1911A-08A Loosen power reference connector assembly 2018.06.12
N1911A Information Only N1911A-11 An alternative power line module has been added into the N1911A Approved Vendor List to mitigate parts supply and delivery issues. The alternative power line module (PN N1913-62700) has been used in units with the serial numbers above instead of PN N1912-61036. 2022.03.02
N1911A Modification Recommended N1911A-12 1mW Power Reference Failure 2022.09.18
N1912A Information Only N1912A-01 Firmware Upgrade Utility (FUU) 2007.03.13
N1912A Information Only N1912A-06 Repair Flow for 1mW Power Reference failure 2013.03.26
N1912A Modification Recommended N1912A-07 For the linearity test, the Logic for the Results column uses linear units for the measurement uncertainty, while the measurement is in percent. This can result in false passes. 2014.09.02
N1912A Modification Recommended N1912A-08A Loosen power reference connector assembly 2018.06.12
N1912A Information Only N1912A-11 An alternative power line module has been added into the N1912A Approved Vendor List to mitigate parts supply and delivery issues. The alternative power line module (PN N1913-62700) has been used in units with the serial numbers above instead of PN N1912-61036. 2022.03.02
N1912A Modification Recommended N1912A-12 1mW Power Reference Failure 2022.09.18
N1913A Modification Recommended N1913A-02 User will not able to use N848x series power sensor with N1913A Average Power Meter 2010.01.04
N1913A Modification Recommended N1913A-03A Lack of Front Sensor Input for N1913A–Option 108 2011.07.20
N1913A Modification Recommended N1913A-04A Lack of Front Sensor Input for N1913A–Option 109 2011.07.20
N1913A Modification Available N1913A-05 Upgrade of 2 Rear USB Ports for standard N1913A 2011.05.25
N1913A Modification Available N1913A-07A Enhancement on Noise Measurement 2016.09.20
N1913A Modification Recommended N1913A-09 Loosen power reference connector assembly 2017.09.28
N1913A Modification Recommended N1913A-11 1mW Power Reference Failure 2022.09.18
N1913A Modification Recommended N1913A-12 Meter Display Brightness Intensity Control Malfunction 2022.11.08
N1914A Modification Recommended N1914A-02 User will not able to use N848x series power sensor with N1914A Average Power Meter 2010.01.04
N1914A Modification Recommended N1914A-03A Lack of Front Sensor Input for N1914A–Option 108 2011.07.20
N1914A Modification Recommended N1914A-04A Lack of Front Sensor Input for N1914A–Option 109 2011.07.20
N1914A Modification Available N1914A-05 Upgrade of 2 Rear USB Ports for standard N1914A 2011.05.24
N1914A Modification Available N1914A-07A Enhancement on Noise Measurement 2016.09.20
N1914A Modification Recommended N1914A-09 Loosen power reference connector assembly 2017.10.02
N1914A Modification Recommended N1914A-11 1mW Power Reference Failure 2022.09.18
N1914A Modification Recommended N1914A-12 Meter Display Brightness Intensity Control Malfunction 2022.11.08
N1918A Modification Recommended N1918A-01 Calibration Due Date feature in N1918A revision R01.02.00 does not work with U2000 Series USB power sensor with firmware revision A1.01.02 2008.01.02
N1921A Information Only N1921A-01 New Shell for P-Series Wideband Sensor 2007.03.13
N1921A Modification Recommended N1921A-02A Loose Bulkhead 2008.06.16
N1922A Modification Recommended N1922A-01A Loose Bulkhead 2008.06.16
N1996A Modification Recommended N1996A-01C Residual Responses due to Shield Problem on A4 Digital IF Assembly 2009.09.01
N1996A Modification Recommended N1996A-02A Intermittent Boot-up Problems 2007.04.05
N1996A Modification Recommended N1996A-03 DIF FPGA Upgrade Failure While Upgrading to >= A.02.00 Firmware 2007.04.02
N1996A Information Only N1996A-04 Couldn't boot up 2008.07.17
N2268A Modification Available N2268A-01 Improved SMA connector available to replace failed connectors. 2004.06.16
N2600A Information Only N2600A-09A New battery pack requires software version 3.1 or later to work with. 2004.05.28
N2610A Information Only N2610A-02 New battery pack requires software version 3.1 or later to work with. 2004.05.21
N2610A Information Only N2610A-02A New battery pack requires software version 3.1 or later to work with. 2004.05.28
N2620A Information Only N2620A-01 Upgrade the N2620A to the latest software, for the best performance 2005.10.10
N2640A Information Only N2640A-01 It is recommended that you use software version 3.0.53 on your N2640A, N2642A and N2643A for best testing and reliable Performance. IMPORTANT: N2640A software version 4.0.9 had an issue with results storage and results retrieval. Results called up from USB stick cannot be read from Scope Data Pro II version 4.0.9. There are also instances where only partial results are seen. This issue will cause irretrievable results and data lost. In order to rectify this issue, please use version 3.0.53. 2009.11.09
N2750A Modification Recommended N2750A-01 The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. 2023.10.10
N2750A Modification Recommended N2750A-01A The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. 2024.06.14
N2751A Modification Recommended N2751A-01 The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. 2023.10.10
N2751A Modification Recommended N2751A-01A The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. 2024.06.14
N2752A Modification Recommended N2752A-01 The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. 2023.10.10
N2752A Modification Recommended N2752A-01A The N2776A Browser tips fall off the probe head easily, on some of the serial numbers listed above. 2024.06.14
N2830A Modification Recommended N2830A-01 Probes are showing an unstable offset. This can be evident when user wiggles the probes cable while observing the offset movement on the scope screen. 2017.08.02
N2830A Modification Recommended N2830A-02 With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. 2018.05.21
N2831A Modification Recommended N2831A-01 Probes are showing an unstable offset. This can be evident when user wiggles the probes cable while observing the offset movement on the scope screen. 2017.08.02
N2831A Modification Recommended N2831A-02 With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. 2018.05.21
N2832A Modification Recommended N2832A-01 Probes are showing an unstable offset. This can be evident when user wiggles the probes cable while observing the offset movement on the scope screen. 2017.08.02
N2832A Modification Recommended N2832A-02 With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. 2018.05.21
N3300A Modification Recommended N3300A-01A CC Source Regulation Out Of Specification 2005.03.20
N3301A Modification Recommended N3301A-01A CC Source Regulation Out Of Specification 2005.03.20
N3302A Modification Recommended N3302A-01 There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2022.06.23
N3302A Modification Recommended N3302A-01A There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2023.04.16
N3303A Modification Recommended N3303A-01 There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2022.06.23
N3303A Modification Recommended N3303A-01A There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2023.04.16
N3304A Modification Recommended N3304A-01 There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2022.06.23
N3304A Modification Recommended N3304A-01A There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2023.04.16
N3305A Modification Recommended N3305A-01 There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2022.06.23
N3305A Modification Recommended N3305A-01A There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2023.04.16
N3306A Modification Recommended N3306A-01 There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2022.06.23
N3306A Modification Recommended N3306A-01A There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2023.04.16
N3306A Modification Recommended N3306A-02 Current programming and readback accuracy may marginally out of spec at high current (100A – 120A). 2023.04.10
N3307A Modification Recommended N3307A-01 There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2022.06.23
N3307A Modification Recommended N3307A-01A There is an offset value in voltage and current parameter observed for the N3300 series module. The reading values drifted to larger value (with nothing connected) after the unit warmed up 2023.04.16
N3381A Modification Recommended N3381A-01C Older front panel interface boards should be replaced. 2007.12.05
N3381A Modification Recommended N3381A-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
N3381A Modification Recommended N3381A-03B "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." 2007.10.31
N3381A Modification Recommended N3381A-04A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
N3382A Modification Recommended N3382A-01C Older front panel interface boards should be replaced. 2007.12.05
N3382A Modification Recommended N3382A-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
N3382A Modification Recommended N3382A-03B "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." 2007.10.31
N3382A Modification Recommended N3382A-04A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
N3383A Modification Recommended N3383A-01C Older front panel interface boards should be replaced. 2007.12.05
N3383A Modification Recommended N3383A-02A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
N3383A Modification Recommended N3383A-03B "Intermittent 10 GB HDD electrical problem can cause PNA HDD-related failures. Replace 10 GB HDD with a new 40 GB HDD." 2007.10.31
N3383A Modification Recommended N3383A-04A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
N4000A Information Only N4000A-01 Bias current adjustment may be necessary to meet ENR specs 2001.06.08
N4000A Information Only N4000A-02 Temporary Outer Shell Colour Variation 2003.03.05
N4000A Modification Recommended N4000A-03 N4000A with option 001, Type-N(m) connector only can cause the measured noise figure value of a device under test to be as much as 0.30 dB higher than it really is. 2009.11.18
N4001A Information Only N4001A-01 Bias current adjustment may be necessary to meet ENR specs 2001.06.08
N4001A Information Only N4001A-02 Temporary Outer Shell Colour Variation 2003.03.05
N4002A Information Only N4002A-01 Bias current adjustment may be necessary to meet ENR specs 2001.06.14
N4002A Information Only N4002A-02 Temporary Outer Shelf Colour 2003.03.05
N4010A Modification Recommended N4010A-01 Customers may find the fan noise produced by the N4010A unacceptable 2005.02.13
N4010A Information Only N4010A-02C N4010A Firmware Compatibility Table 2012.11.01
N4010A Modification Recommended N4010A-03 Intermittent Power-Up Issues Or Error Messages 2006.02.26
N4010A Modification Recommended N4010A-04 Damaged Line Module Causes Instrument To Intermittently Re-boot 2006.04.05
N4010A Information Only N4010A-05 Error Message Indicates Self-Calibration Data is Missing 2006.04.17
N4010A Modification Recommended N4010A-06B Performance Improvement for Units Equipped With Option 103 2010.03.10
N4010A Modification Recommended N4010A-07 Performance Improvement for Units With Excessive Timebase Drift 2007.08.16
N4010A Modification Recommended N4010A-08B RF Assembly Reliability Issue 2010.03.15
N4010A Modification Recommended N4010A-09 Firmware Defect May Affect The N4010A Noise Floor 2008.08.05
N4010A Modification Recommended N4010A-12 RF Switch Power/Control Connector Susceptible To Damage 2010.02.04
N4010A Modification Recommended N4010A-14 RF Switch Reliability Issue 2010.06.02
N4373B Modification Recommended N4373B-01A An improved calibration procedure is recommended for re-adjustments and verification of N4373B/C/D LCAs. Customer needs to approve re-adjustment 2019.02.27
N4373C Modification Recommended N4373C-01A An improved calibration procedure is recommended for re-adjustments and verification of N4373B/C/D LCAs. Customer needs to approve re-adjustment 2019.02.27
N4373D Modification Recommended N4373D-01A An improved calibration procedure is recommended for re-adjustments and verification of N4373B/C/D LCAs. Customer needs to approve re-adjustment 2019.02.27
N4373E Modification Recommended N4373E-01 The Unit has a cosmetic issue (black marks on the case which are not removable with alcohol) 2022.10.25
N4391A Modification Recommended N4391A-01 Optical switch inside N4391A may not work properly under all circumstances Only ‘external Local Oscillator Mode’ is affected 2012.04.15
N4391A Modification Recommended N4391A-02 Performance improvement for polarization tracking of transmitter back-to-back measurements on dual test set OMA’s 2016.09.12
N4391A Modification Recommended N4391A-03 Performance improvement for dual scope OMA to solve unreliable synchronization between the two oscilloscopes 2016.09.13
N4392A Modification Recommended N4392A-01 Recalibration required to get better performance Hardware Modification – installation of a service port 2014.04.22
N4419B Information Only N4419B-01 This test set is not subject to a calibration test. The test set’s performance characteristics are parameters that the product is expected to meet before it leaves the factory. A functional test can verify proper performance of all microwave components within the test set. 2006.08.08
N4420B Information Only N4420B-01 This test set is not subject to a calibration test. The test set’s performance characteristics are parameters that the product is expected to meet before it leaves the factory. A functional test can verify proper performance of all microwave components within the test set. 2006.08.08
N4421B Information Only N4421B-01 This test set is not subject to a calibration test. The test set’s performance characteristics are parameters that the product is expected to meet before it leaves the factory. A functional test can verify proper performance of all microwave components within the test set. 2006.08.08
N4421B Information Only N4421B-H67-01 This test set is not subject to a calibration test. The test set’s performance characteristics are parameters that the product is expected to meet before it leaves the factory. A functional test can verify proper performance of all microwave components within the test set. 2006.08.08
N4431D Modification Recommended N4431D-01 On certain N4431D units, the ECal Characterization Information which can be found in Keysight’s Network Analyzer display will show the Minimum Frequency of 9 kHz instead of 0 Hz. This is because the ECal does not have any characterization data below 9 kHz. 2021.10.04
N4690D Modification Recommended N4690D-01 On certain N4690D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. 2023.03.15
N4690D Modification Recommended N4690D-02 A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2021.12.08
N4690D Modification Recommended N4690D-02A A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2024.08.21
N4691D Modification Recommended N4691D-01 On certain N4691D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. 2023.03.15
N4691D Modification Recommended N4691D-02 A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2021.12.08
N4691D Modification Recommended N4691D-02A A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2024.10.03
N4692D Modification Recommended N4692D-01 On certain N4692D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. 2023.03.15
N4692D Modification Recommended N4692D-02 A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2021.12.08
N4692D Modification Recommended N4692D-02A A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2024.10.03
N4693D Modification Recommended N4693D-01 On certain N4693D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. 2023.03.15
N4693D Modification Recommended N4693D-02 A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2021.12.08
N4693D Modification Recommended N4693D-02A A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2021.12.08
N4694D Modification Recommended N4694D-01 On certain N4694D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. 2023.03.15
N4694D Modification Recommended N4694D-02 A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2021.12.08
N4694D Modification Recommended N4694D-02A A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2024.10.03
N4696D Modification Recommended N4696D-01 On certain N4696D units with Option 0DC, Reflection Tracking may exceed the specification by 0.05 dB at frequencies below 200MHz when measuring high reflective devices. 2023.03.15
N4696D Modification Recommended N4696D-02 A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2021.12.08
N4696D Modification Recommended N4696D-02A A resonance can develop in the heater circuit which can cause an RF tone between 140 MHz and 150 MHz to be injected onto the signal path. 2024.10.03
N4850A Modification Recommended N4850A-01 Installation of spacer to eliminate grinding fan noise 2008.09.02
N4860A Modification Recommended N4860A-01 Installation of spacer to eliminate grinding fan noise 2008.09.02
N4872A Information Only N4872A-03 Oily fluid dripping out of the module 2005.05.25
N4873A Information Only N4873A-02 Differentiate older from newer modules to provide the correct replacement part 2005.02.17
N4873A Information Only N4873A-03 Oily fluid dripping out of the module 2005.05.25
N4874A Information Only N4874A-03 Oily fluid dripping out of the module 2005.05.25
N4875A Information Only N4875A-03 Oily fluid dripping out of the module 2005.05.25
N4901A Safety N4901A-01A-S POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit 2012.12.11
N4901B Safety N4901B-01A-S POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit 2012.12.11
N4902A Priority Safety N4902A-01-S Possible Fire Hazard 2007.08.08
N4902B Safety N4902B-01A-S POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit 2012.12.11
N4903A Safety N4903A-01A-S POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit 2012.12.11
N4903A Modification Recommended N4903A-02 Software Update is required after repair due to a component change to the Analyzer Module starting Nov. 1, 2010. 2010.12.05
N4903A Modification Recommended N4903A-04 Front plate has incorrect physical dimensions (wrong thickness) 2012.03.12
N4903A Modification Recommended N4903A-05A Unit fails Performance Verification / Calibration on the test “PG Sinusoidal Interference Amplitude Accuracy” 2013.06.19
N4903A Modification Recommended N4903A-06 Due to a configuration problem the “External PLL” clock mode selection may be hidden in the product GUI. 2012.05.31
N4903B Modification Recommended N4903B-01E Wrong installation and / or setting of Agilent IO Libraries 2011.05.08
N4903B Modification Recommended N4903B-02A Front plate has incorrect physical dimensions (wrong thickness) 2012.03.12
N4903B Modification Recommended N4903B-03 Due to a Microsoft Windows configuration problem the N4903B WebServer does not start correctly. 2012.01.20
N4903B Modification Recommended N4903B-04 Due to a Microsoft Windows configuration problem the N4903B does not respond to network “pings”. Apply the correct configuration steps described below to allow “pings” to be answered by the N4903B. 2012.02.22
N4903B Modification Recommended N4903B-05 Due to a calibration problem the list of serial numbers above may have a potential Sinusoidal Jitter (SJ) performance problem which must be checked and repaired at the factory. 2012.02.22
N4903B Modification Recommended N4903B-06A Unit fails Performance Verification / Calibration on the test “PG Sinusoidal Interference Amplitude Accuracy” 2013.06.19
N4903B Modification Recommended N4903B-07 Due to a configuration problem the “External PLL” clock mode selection may be hidden in the product GUI. 2012.05.31
N4903B-J20 Modification Recommended N4903B-02A Front plate has incorrect physical dimensions (wrong thickness) 2012.03.12
N4903B-J20 Modification Recommended N4903B-06A Unit fails Performance Verification / Calibration on the test “PG Sinusoidal Interference Amplitude Accuracy” 2013.06.19
N4906B Safety N4906B-01A-S POSSIBLE FIRE HAZARD. There is an unlikely possibility of an instrument catching fire due to a shortcircuit 2012.12.11
N4906B Modification Recommended N4906B-02B There are 3 items to check and modify if required for proper configuration of the Agilent IOLibraries in the N4906B 2013.04.10
N4906B Modification Recommended N4906B-03 Starting Nov. 1, 2010 the division will implement a component change in the Analyzer Module. This component change requires the software to be updated after a repair to at least version 3.53. Older software versions will not be able to recognize the new component in the spare part and the N4906B will not function. 2010.11.04
N4906B Modification Recommended N4906B-04 Due to a Microsoft Windows configuration problem the N4906B does not respond to network “pings”. Apply the correct configuration steps described below to allow “pings” to be answered by the N4906B. 2012.02.22
N4951A Modification Recommended N4951A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4951A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4951B Modification Recommended N4951B-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4951B calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4952A Modification Recommended N4952A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4952A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4955A Modification Recommended N4955A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4955A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4956A Modification Recommended N4956A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4956A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4957A Modification Recommended N4957A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4957A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4960A Modification Recommended N4960A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4960A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4960A Modification Recommended N4960A-02 Pattern Generator or Error Detector may have intermittent errors due to DC supply instability in the N4960A Controller. 2015.05.19
N4962A Modification Recommended N4962A-01 Several N4962A bit error rate testers were shipped/repaired with an incorrect firmware version. 2014.03.23
N4965A Modification Recommended N4965A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4965A calibrations and repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4967A Modification Recommended N4967A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4967A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4972A Modification Recommended N4972A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4972A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4973A Modification Recommended N4973A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4973A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4974A Modification Recommended N4974A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4974A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N4975A Modification Recommended N4975A-01 Keysight is continually tracking hardware modifications which can improve the reliability or performance of this instrument. As part of all N4975A repairs, such modifications will be performed on the instrument, as appropriate, at no charge to the customer. 2014.11.18
N5009A Modification Recommended SJ10-01 For SJ10 inspection GUI version 4.07 needs updating. Update 2.XX firmware to version 2.18 firmware. 2004.02.22
N5009A Modification Recommended SJ10-02 The automatic width adjust on some SJ10 systems will move the rails ""in"" if the ""out"" button is pushed and ""out"" if the ""in"" button is pushed. 2004.02.22
N5009A Modification Recommended SJ10-03 SJ10 lighting heads in the field are degrading more quickly than originally anticipated. This may cause lighting head to be out of recommended lighting values. 2004.02.22
N5009A Priority Safety SJ10-04-S Pinch hazards accessible through the side openings of the system 2005.03.14
N5009A Priority Safety SJ10-05-S Pinch hazards accessible through the side openings of the system 2005.03.14
N5009A Safety SJ10-06-S Safety hazard caused by not being able to activate the E-Stop from the left side of machine 2005.03.14
N5009A Safety SJ10-07-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine 2005.03.25
N5010A Modification Recommended SJ10-01 For SJ10 inspection GUI version 4.07 needs updating. Update 2.XX firmware to version 2.18 firmware. 2004.02.22
N5010A Modification Recommended SJ10-02 The automatic width adjust on some SJ10 systems will move the rails ""in"" if the ""out"" button is pushed and ""out"" if the ""in"" button is pushed. 2004.02.22
N5010A Modification Recommended SJ10-03 SJ10 lighting heads in the field are degrading more quickly than originally anticipated. This may cause lighting head to be out of recommended lighting values. 2004.02.22
N5010A Priority Safety SJ10-04-S Pinch hazards accessible through the side openings of the system 2005.03.14
N5010A Priority Safety SJ10-05-S Pinch hazards accessible through the side openings of the system 2005.03.14
N5010A Safety SJ10-06-S Safety hazard caused by not being able to activate the E-Stop from the left side of machine 2005.03.14
N5010A Safety SJ10-07-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine 2005.03.25
N5011A Modification Recommended SJ10-01 For SJ10 inspection GUI version 4.07 needs updating. Update 2.XX firmware to version 2.18 firmware. 2004.02.22
N5011A Modification Recommended SJ10-02 The automatic width adjust on some SJ10 systems will move the rails ""in"" if the ""out"" button is pushed and ""out"" if the ""in"" button is pushed. 2004.02.22
N5011A Modification Recommended SJ10-03 SJ10 lighting heads in the field are degrading more quickly than originally anticipated. This may cause lighting head to be out of recommended lighting values. 2004.02.22
N5011A Priority Safety SJ10-04-S Pinch hazards accessible through the side openings of the system 2005.03.14
N5011A Priority Safety SJ10-05-S Pinch hazards accessible through the side openings of the system 2005.03.14
N5011A Safety SJ10-06-S Safety hazard caused by not being able to activate the E-Stop from the left side of machine 2005.03.14
N5011A Safety SJ10-07-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine 2005.03.25
N5054D Modification Recommended SJ50-17 A high failure rate has been identified in some kollmorgen amplifiers. Failure of a Kollmorgen Drive renders the system inoperable until the drive is replaced. This note recommends replacement of at-risk units and describes how to identify and replace the affected kollmorgen amplifiers. 2008.04.23
N5065A Modification Recommended SJ50-01 Possibility of a conflict between the SJ GUI and the AWA GUI under certain conditions. 2004.02.10
N5065A Modification Recommended SJ50-02 The Automatic Width Adjust on some SJ50 systems will move the rails ‘in’ if the “Out” button is pushed and ‘out’ if the “In” button is push. 2004.02.10
N5065A Priority Safety SJ50-03-S The power cord and / or receptacle on the back of monitor could break causing a potential shock hazard. 2004.02.22
N5065A Modification Recommended SJ50-04 Cable Stress On Rear Hood Hinge 2004.12.13
N5065A Safety SJ50-05A-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine. 2005.03.09
N5065A Priority Safety SJ50-06B-S Pinch Hazard accessible through the side openings of the system 2005.03.09
N5065A Priority Safety SJ50-07-S Pinch Hazard accessible through the side openings of the system 2005.03.15
N5065A Priority Safety SJ50-08-S Pinch Hazard accessible through the side openings of the system 2005.03.15
N5065A Priority Safety SJ50-09-S Pinch Hazard accessible through the side openings of the system 2005.03.15
N5065A Safety SJ50-10-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine. 2005.03.25
N5065A Priority Safety SJ50-11-S Monitor Power Cord insulation can be exposed causing a shock hazard. 2005.09.12
N5065A Safety SJ50-13-S Pinch Hazard accessible through the side openings of the system 2006.05.11
N5065D Modification Recommended SJ50-17 A high failure rate has been identified in some kollmorgen amplifiers. Failure of a Kollmorgen Drive renders the system inoperable until the drive is replaced. This note recommends replacement of at-risk units and describes how to identify and replace the affected kollmorgen amplifiers. 2008.04.23
N5090A Modification Recommended SJ50-15 Philips 15 Inch Monitor (150S6FG) susceptible to Burn in. 2007.10.15
N5090A Modification Recommended SJ50-16 Modification recommended for controlling clamping downstroke of SP XL for systems manufactured since 12 September 2005. 2007.10.15
N5090A Information Only SP50-01 The laser used on the SP50 system could emit full power in maintenance mode if a single fault condition occurs. 2004.02.23
N5090A Priority Safety SP50-02-S The power cord and / or receptacle on the back of monitor could break causing a potential shock hazard 2004.02.22
N5090A Modification Recommended SP50-03 Cable Stress On Rear Hood Hinge 2004.12.13
N5090A Safety SP50-04B-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine. 2005.03.09
N5090A Priority Safety SP50-05A-S Pinch Hazard accessible through the side openings of the system 2005.03.09
N5090A Priority Safety SP50-06-S Pinch Hazard accessible through the side openings of the system 2005.03.25
N5090A Priority Safety SP50-07-S Pinch Hazard accessible through the side openings of the system 2005.03.25
N5090A Safety SP50-08-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine. 2005.03.25
N5090A Priority Safety SP50-09-S Monitor Power Cord insulation can be exposed causing a shock hazard. 2005.09.12
N5090A Safety SP50-12-S Pinch Hazard accessible through the side openings of the system 2006.05.11
N5090A Modification Recommended SP50-14 Modification required to enable screen saver so burn in will not be an issue on Monitor. 2007.10.15
N5090A Modification Recommended SP50-15 Modification recommended for controlling clamping downstroke of SP XL for systems manufactured since 12 September 2005. 2007.10.15
N5090D Information Only SP50-01 The laser used on the SP50 system could emit full power in maintenance mode if a single fault condition occurs. 2004.02.23
N5090D Priority Safety SP50-02-S The power cord and / or receptacle on the back of monitor could break causing a potential shock hazard. 2004.02.22
N5090D Modification Recommended SP50-03 Cable Stress On Rear Hood Hinge 2004.12.13
N5090D Safety SP50-04B-S Safety hazard caused by not being able to activate E-Stop from the left side of machine 2005.03.09
N5090D Priority Safety SP50-05A-S Pinch hazard accessible through the side openings of the system 2005.03.09
N5090D Priority Safety SP50-06-S Pinch Hazards accessible through the side openings of the system 2005.03.25
N5090D Priority Safety SP50-07-S Pinch Hazards accessible through the side openings of the system 2005.03.25
N5090D Safety SP50-08-S Safety Hazard caused by not being able to activate E-Stop from the left side of machine 2005.03.25
N5090D Priority Safety SP50-09-S Monitor Power Cord insulation can be exposed causing a shock hazard 2005.09.12
N5090D Safety SP50-12-S Pinch Hazards accessible through the side openings of the system 2006.05.11
N5090D Modification Recommended SP50-14 Modification required to enable screen saver so burn in will not be an issue on Monitor. 2007.10.15
N5090D Modification Recommended SP50-15 Modification recommended for controlling clamping downstroke of SP XL for systems manufactured since 12 September 2005. 2007.10.15
N5090D Modification Recommended SP50-16 A high failure rate has been identified in some kollmorgen amplifiers. Failure of a Kollmorgen Drive renders the system inoperable until the drive is replaced. This note recommends replacement of at-risk units and describes how to identify and replace the affected kollmorgen amplifiers 2008.04.22
N5101A Information Only N5101A-01A Mislabeled internal barcode label. 2006.12.13
N5101A Information Only N5101A-01B License required to work with Baseband Studio SW models N5110B & N5115B. 2007.01.12
N5102A Modification Recommended N5102A-01 N5102As were shipped to Japan without the proper “PSE” mark on the power supply module. 2009.04.07
N5106A Modification Recommended N5106A-01A N5106A Falsely triggering waveform play / start when configured to use external trigger and the trigger device has an impedance of 1Mohm or higher. 2009.02.12
N5106A Modification Recommended N5106A-03 The A11 System Clock board, (N5105-60006) has under rated components increasing the potential for early failure. 2010.10.13
N5166B Information Only N5166B-02 Self-test #104 failure if replacement A3 RF Assembly, N5180-60279 with Hardware ID 0009 is not upgraded to the minimum FW B.01.96. 2022.04.27
N5166B Information Only N5166B-03 A3 RF assembly boards showing Heater and Unlock errors 2022.12.12
N5166B Information Only N5166B-03A A3 RF assembly boards showing Heater and Unlock errors 2023.06.13
N5166B Information Only N5166B-03B A3 RF assembly boards showing Heater and Unlock errors 2024.07.11
N5171B Information Only N5171B-01 Incomplete or limited adjustments result is hardware being needlessly replaced. 2017.08.28
N5171B Information Only N5171B-02B Installing a new A3 RF Assembly during a repair may require the installation of a newer version of instrument firmware. 2022.04.01
N5171B Information Only N5171B-04 Installing a new A5 CPU Assembly during a repair requires firmware version B.01.75 or newer, and different thermal pad placement. 2019.02.12
N5171B Modification Available N5171B-05 Self-Test 401 False Failures with Firmware Versions older than B.01.41 2019.11.12
N5171B Information Only N5171B-06 Self-test #104 failure if replacement A3 RF Assembly, N5180-60279 with Hardware ID 0009 is not upgraded to the minimum FW B.01.96. 2022.04.27
N5171B Information Only N5171B-07 A3 RF assembly boards showing Heater and Unlock errors 2022.12.12
N5171B Information Only N5171B-07A A3 RF assembly boards showing Heater and Unlock errors 2023.06.13
N5171B Information Only N5171B-07B A3 RF assembly boards showing Heater and Unlock errors 2024.07.11
N5172B Information Only N5172B-02 Incomplete or limited adjustments result is hardware being needlessly replaced. 2017.08.28
N5172B Information Only N5172B-03B Installing a new A3 RF Assembly during a repair may require the installation of a newer version of instrument firmware. 2022.04.01
N5172B Information Only N5172B-04 Installing a new A2 Vector BBG Assembly during a repair requires the installation of firmware release B.01.65 or newer. 2018.10.16
N5172B Information Only N5172B-06 Installing a new A5 CPU Assembly during a repair requires firmware version B.01.75 or newer, and different thermal pad placement. 2019.02.12
N5172B Modification Available N5172B-07 Self-Test 401 False Failures with Firmware Versions older than B.01.41 2019.11.12
N5172B Information Only N5172B-09 Self-test #104 failure if replacement A3 RF Assembly, N5180-60279 with Hardware ID 0009 is not upgraded to the minimum FW B.01.96. 2022.04.27
N5172B Information Only N5172B-10 A3 RF assembly boards showing Heater and Unlock errors 2022.12.12
N5172B Information Only N5172B-10A A3 RF assembly boards showing Heater and Unlock errors 2023.06.13
N5172B Information Only N5172B-10B A3 RF assembly boards showing Heater and Unlock errors 2024.07.11
N5173B Information Only N5173B-01 Incomplete or limited adjustments result is hardware being needlessly replaced. 2017.08.28
N5173B Information Only N5173B-02A Installing a new A5 CPU Assembly during a repair requires firmware version B.01.75 or newer, and different thermal pad placement. 2019.02.12
N5173B Information Only N5173B-06 Potential for Damage Caused by Hipot Safety Testing 2021.04.28
N5173B Information Only N5173B-06A Potential for Damage Caused by Safety Testing 2021.05.03
N5173B Information Only N5173B-07 Identifying Damage from Excessive Reverse Power – Self Test 1105 and 1304 Failures 2021.12.15
N5173B Information Only N5173B-08 Assembly Hardware IDs versus Firmware Revision 2022.04.01
N5173B Information Only N5173B-09 Self-test #104 failure if replacing either the A3 RF Assembly with Hardware ID 000B or the A7 Micro-deck containing A7A1 ALC control board with hardware ID 0002 is not upgraded to the minimum FW B.01.96. 2022.04.27
N5173B Information Only N5173B-10 A3 RF assembly boards showing Heater and Unlock errors 2022.12.12
N5173B Information Only N5173B-10A A3 RF assembly boards showing Heater and Unlock errors 2023.06.13
N5173B Information Only N5173B-10B A3 RF assembly boards showing Heater and Unlock errors 2024.07.11
N5181A Information Only N5181A-10 The N5180-60110 Front Panel Replacement Kit is No Longer Available 2020.07.31
N5181A Information Only N5181A-11A The N5180-60024 LCD Assembly is No Longer Available 2021.06.10
N5181B Information Only N5181B-01 Incomplete or limited adjustments result is hardware being needlessly replaced. 2017.08.28
N5181B Information Only N5181B-02B Installing a new A3 RF Assembly during a repair may require the installation of a newer version of instrument firmware. 2022.04.01
N5181B Information Only N5181B-04 Installing a new A5 CPU Assembly during a repair requires firmware version B.01.75 or newer, and different thermal pad placement. 2019.02.12
N5181B Modification Available N5181B-05 Self-Test 401 False Failures with Firmware Versions older than B.01.41 2019.11.12
N5181B Information Only N5181B-06 Self-test #104 failure if replacement A3 RF Assembly, N5180-60279 with Hardware ID 0009 is not upgraded to the minimum FW B.01.96. 2022.04.27
N5181B Information Only N5181B-07 Front Panel Replacement Kit in light color no longer available 2022.12.04
N5181B Information Only N5181B-08 A3 RF assembly boards showing Heater and Unlock errors 2022.12.12
N5181B Information Only N5181B-08A A3 RF assembly boards showing Heater and Unlock errors 2023.06.13
N5181B Information Only N5181B-08B A3 RF assembly boards showing Heater and Unlock errors 2024.07.11
N5182A Information Only N5182A-07A N5182A A3 RF Assembly failures that occur in most older N5182A MXG’s with a S/N: prefix < (less than) xx4818xxxx are required to use one of the following EXCHANGE assemblies for repairing the failed unit. 2011.10.06
N5182A Information Only N5182A-12 The N5180-60111 Front Panel Replacement Kit is No Longer Available 2020.07.31
N5182A Information Only N5182A-13A The N5180-60024 LCD Assembly is No Longer Available 2021.06.10
N5182B Information Only N5182B-04 Incomplete or limited adjustments result is hardware being needlessly replaced. 2017.08.28
N5182B Information Only N5182B-05B Installing a new A3 RF Assembly during a repair may require the installation of a newer version of instrument firmware. 2022.04.01
N5182B Information Only N5182B-06 Installing a new A2 Vector BBG Assembly during a repair requires the installation of firmware release B.01.65 or newer. 2018.10.16
N5182B Information Only N5182B-08 Installing a new A5 CPU Assembly during a repair requires firmware version B.01.75 or newer, and different thermal pad placement. 2019.02.12
N5182B Modification Available N5182B-09 Self-Test 401 False Failures with Firmware Versions older than B.01.41 2019.11.12
N5182B Information Only N5182B-12 Self-test #104 failure if replacement A3 RF Assembly N5180-60296 with Hardware ID 0008 is not upgraded to the minimum FW B.01.96. 2022.04.27
N5182B Information Only N5182B-13 A3 RF assembly boards showing Heater and Unlock errors 2022.12.12
N5182B Information Only N5182B-13A A3 RF assembly boards showing Heater and Unlock errors 2023.06.13
N5182B Information Only N5182B-13B A3 RF assembly boards showing Heater and Unlock errors 2024.07.11
N5183A Information Only N5183A-05 RF output connector replacement part numbers and procedure 2009.01.14
N5183A Information Only N5183A-10 The N5180-60112 Front Panel Replacement Kit is No Longer Available 2020.07.31
N5183A Information Only N5183A-11A The N5180-60024 LCD Assembly is No Longer Available 2021.06.10
N5183A Information Only N5183A-12A Potential for Damage Caused by Safety Testing 2021.05.03
N5183B Information Only N5183B-03 Incomplete or limited adjustments result is hardware being needlessly replaced. 2017.08.28
N5183B Information Only N5183B-04A Installing a new A5 CPU Assembly during a repair requires firmware version B.01.75 or newer, and different thermal pad placement. 2019.02.12
N5183B Information Only N5183B-07A Potential for Damage Caused by Safety Testing 2021.05.03
N5183B Information Only N5183B-08 Identifying Damage from Excessive Reverse Power – Self Test 1105 and 1304 Failures 2021.12.15
N5183B Information Only N5183B-09 Assembly Hardware IDs versus Firmware Revision 2022.04.01
N5183B Information Only N5183B-10 Self-test #104 failure if replacing either the A3 RF Assembly with Hardware ID 000A or the A7 Micro-deck containing A7A1 ALC control board with hardware ID 0002 is not upgraded to the minimum FW B.01.96. 2022.04.27
N5183B Information Only N5183B-11 A3 RF assembly boards showing Heater and Unlock errors 2022.12.12
N5183B Information Only N5183B-11A A3 RF assembly boards showing Heater and Unlock errors 2023.06.13
N5183B Information Only N5183B-11B A3 RF assembly boards showing Heater and Unlock errors 2024.07.11
N5183M Information Only N5183A-01 The N5180-60215 LCD Assembly Replacement Kit is No Longer Available 2020.07.31
N5191A Modification Recommended N5191A-01B N5191A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder 2022.01.09
N5191A Modification Available N5191A-02 N5191A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder 2020.02.09
N5193A Modification Recommended N5193A-01B N5193A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder 2022.01.09
N5193A Modification Recommended N5193A-01C N5193A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder 2024.02.13
N5193A Modification Available N5193A-02 N5193A service notes are classified as technical data. Service notes related to this product are store on the US Domain / Share point folder 2020.02.09
N5221A Modification Recommended N5221A-02A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5221A Information Only N5221A-03 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5221B Modification Recommended N5221B-01 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5222A Modification Recommended N5222A-02A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.06.02
N5222A Information Only N5222A-03 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5222A Information Only N5222A-04 The purpose of this service note is to aid in providing support for A to B upgrades kits. “B” models require the latest CPU, SPAM, and synthesizer boards. Some older instruments will require upgrades of this hardware, before installing the A to B Upgrade kit. Refer to Solution/Action section for details. 2016.03.18
N5222AS Modification Recommended N5222AS-01A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5222B Modification Recommended N5222B-01 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5224A Modification Recommended N5224A-01A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5224A Modification Recommended N5224A-02 Analyzers with serial numbers listed were shipped with test set motherboards that may eventually malfunction. 2012.10.18
N5224A Information Only N5224A-05 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5224B Modification Recommended N5224B-01 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5225A Modification Recommended N5225A-02A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5225A Modification Recommended N5225A-03 Analyzers with serial numbers listed were shipped with test set motherboards that may eventually malfunction. 2012.10.18
N5225A Information Only N5225A-06 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5225B Modification Recommended N5225B-01 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5227A Modification Recommended N5227A-01A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5227A Information Only N5227A-03 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5227A Modification Recommended N5227A-05 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5227B Modification Recommended N5227B-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5230A Modification Recommended N5230A-01C Older front panel interface boards should be replaced. 2007.12.05
N5230A Modification Recommended N5230A-02A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
N5230A Modification Recommended N5230A-03A A connector of the ribbon cable (Agilent part number 8120-8409) that joins the front panel display to the front panel interface board can loosen, causing a display failure, unless a new bracket is installed. Because the failure rate has been very low, it is recommended that the bracket be installed only when there is an additional reason to remove the PNA front panel. 2008.06.08
N5230A Information Only N5230A-04 New CPU board in PNA CPU Kit E8364-60026 functions properly only with HDD E8364-60190 and Firmwarre Rev A.06.01 or higher 2006.03.01
N5230A Modification Recommended N5230A-05A Replace Inverter board (0950-3379) due to faulty component. 2008.04.28
N5230A Modification Available N5230A-06A Add-on mechanical components to enhance instrument reliability. 2009.12.01
N5230A Modification Recommended N5230A-07A Possible faulty N5230A Option 220 performance due to defect in microcircuit assembly. 2012.04.01
N5230A Modification Recommended N5230A-RECALL-01A Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. 2011.05.03
N5230C Modification Recommended N5230C-01A A guard is available to protect the front-panel jumper cables during shipment. 2009.09.02
N5230C Information Only N5230C-02 During System Verification test, some N5230C analyzers are experiencing errors while measuring the verification kit devices. 2009.09.01
N5230C Modification Recommended N5230C-03 Some hard drive trays, used mostly in PNA C models that were shipped from June 2009 through mid-December 2009, may be slightly warped. This could cause a head crash resulting in complete drive failure. Also affected are trays used for replacement/swapping purposes on the E836xA/B and N5230A models. This issue does not affect the PNA-X series. 2010.02.04
N5230C Modification Recommended N5230C-04A Possible faulty N5230C Option 220 performance due to defect in microcircuit assembly. 2012.04.01
N5230C Modification Recommended N5230C-05 Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. 2012.02.22
N5231A Information Only N5231A-02 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5232A Information Only N5232A-02 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5234A Information Only N5234A-02 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5235A Information Only N5235A-02 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5239A Information Only N5239A-02 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5241A Modification Recommended N5241A-01D Possible faulty N5241A performance due to defect in microcircuit assembly. 2011.03.29
N5241A Modification Recommended N5241A-01F Possible faulty N5241A performance due to defect in microcircuit assembly. 2012.02.01
N5241A Modification Recommended N5241A-03A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5241A Modification Recommended N5241A-04 Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. 2012.06.10
N5241A Information Only N5241A-05A In June 2013, the N5241A/AS and N5242A/AS network analyzers underwent significant hardware changes. The internal bias tee and test port coupler connectors were changed from 2.4 mm to 3.5 mm. The semi-rigid cables that connect to these components changed similarly. When the bias tee, test port coupler, or one of the interfacing semi-rigid cables with 2.4 mm connectors needs to be replaced, the whole set of components needs to be replaced. 2017.10.02
N5241A Information Only N5241A-06 For instruments with serial numbers MY/SG/US51500000 / US99999999 and below the correct A7 Noise Receiver Board will continue to be part number N5242-60098. For instruments with MY/SG/US52010000 / US99999999 and above the N5242-90098 A7 Noise Receiver Board is being superseded by a RoHS compliant version (N5242-60124). 2015.10.15
N5241A Information Only N5241A-07 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.22
N5241A Modification Recommended N5241A-13 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5241A Modification Recommended N5241A-RECALL-01 Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. 2011.04.12
N5241AS Modification Recommended N5241AS-01 Possible faulty N5241AS performance due to defect in microcircuit assembly. 2010.09.20
N5241AS Modification Recommended N5241AS-02A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.06.02
N5241AS Information Only N5241AS-03A In June 2013, the N5241A/AS and N5242A/AS network analyzers underwent significant hardware changes. The internal bias tee and test port coupler connectors were changed from 2.4 mm to 3.5 mm. The semi-rigid cables that connect to these components changed similarly. When the bias tee, test port coupler, or one of the interfacing semi-rigid cables with 2.4 mm connectors needs to be replaced, the whole set of components needs to be replaced. 2017.10.02
N5241AS Modification Recommended N5241AS-05 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5241B Modification Recommended N5241B-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5241B Modification Recommended N5241B-02 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5242A Information Only N5242A-02 Front Panel Touch Screen Handling Procedure to prevent touch screen from damage. 2008.04.21
N5242A Information Only N5242A-03A A group of front panel assembly items have had part number changes (see next page). If you replace the old part number of any item in the group with its new part number, you must also replace ALL of the other old part numbers in the group with their new part numbers too. 2015.09.11
N5242A Modification Recommended N5242A-04G Possible faulty N5242A/AS/H85 performance due to defect in microcircuit assembly. 2012.04.01
N5242A Modification Recommended N5242A-07 Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2012.07.16
N5242A Modification Recommended N5242A-07A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5242A Modification Recommended N5242A-08 Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. 2012.06.10
N5242A Information Only N5242A-10A In June 2013, the N5241A/AS and N5242A/AS network analyzers underwent significant hardware changes. The internal bias tee and test port coupler connectors were changed from 2.4 mm to 3.5 mm. The semi-rigid cables that connect to these components changed similarly. When the bias tee, test port coupler, or one of the interfacing semi-rigid cables with 2.4 mm connectors needs to be replaced, the whole set of components needs to be replaced. 2017.10.02
N5242A Information Only N5242A-11 For instruments with serial numbers MY/SG/US51500000 / US99999999 and below the correct A7 Noise Receiver Board will continue to be part number N5242-60098. For instruments with MY/SG/US52010000 / US99999999 and above the N5242-90098 A7 Noise Receiver Board is being superseded by a RoHS compliant version (N5242-60124). 2015.10.15
N5242A Information Only N5242A-12 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5242A Modification Recommended N5242A-15 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5242A Modification Recommended N5242A-RECALL-01A Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. 2011.05.03
N5242AH85 Information Only N5242AH85-01 A group of front panel assembly items have had part number changes (see other side of this page). If you replace the old part number of any item in the group with its new part number, you must also replace ALL of the other old part numbers in the group with their new part numbers too. 2009.03.31
N5242AH85 Modification Recommended N5242AH85-02G Possible faulty N5242A/AS/H85 performance due to defect in microcircuit assembly. 2012.02.01
N5242AS Modification Recommended N5242AS-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.01.27
N5242AS Modification Recommended N5242AS-01G Possible faulty N5242A/AS/H85 performance due to defect in microcircuit assembly. 2012.04.01
N5242AS Modification Recommended N5242AS-02A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5242AS Modification Recommended N5242AS-03 Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. 2012.06.10
N5242AS Information Only N5242AS-04A In June 2013, the N5241A/AS and N5242A/AS network analyzers underwent significant hardware changes. The internal bias tee and test port coupler connectors were changed from 2.4 mm to 3.5 mm. The semi-rigid cables that connect to these components changed similarly. When the bias tee, test port coupler, or one of the interfacing semi-rigid cables with 2.4 mm connectors needs to be replaced, the whole set of components needs to be replaced. 2017.10.02
N5242AS Modification Recommended N5242AS-05 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5242B Modification Recommended N5242B-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5242B Modification Recommended N5242B-02 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5244A Modification Recommended N5244A-01 Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. 2012.02.22
N5244A Modification Recommended N5244A-03A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5244A Information Only N5244A-06 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5244A Modification Recommended N5244A-08 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5244AS Modification Recommended N5244AS-01A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5244AS Modification Recommended N5244AS-02 Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. 2012.06.10
N5244B Modification Recommended N5244B-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5244B Modification Recommended N5244B-02 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5245A Modification Recommended N5245A-02 Analyzers with the serial numbers listed above must be returned to Agilent for source attenuator(s) replacement. 2012.02.22
N5245A Modification Recommended N5245A-04A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5245A Modification Recommended N5245A-05 Analyzers with the serial numbers listed above were shipped with a front panel interface board that will eventually malfunction. 2012.06.10
N5245A Information Only N5245A-07 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5245A Modification Recommended N5245A-09 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5245A Modification Recommended N5245A-RECALL-01 Calibrations performed on some 4-Port Performance Network Analyzers by Agilent Technologies between April 01, 2010 and April 07, 2011 show a false pass in the test summary for the calibration coefficients test. 2011.05.03
N5245AS Modification Recommended N5245AS-01A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5245B Modification Recommended N5245B-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5245B Modification Recommended N5245B-02 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5247A Modification Recommended N5247A-02A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5247A Information Only N5247A-03 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5247AS Modification Recommended N5247AS-01A Some analyzers are exhibiting unlocked or unleveled errors or other unexpected digital control faults. 2013.05.28
N5247B Modification Recommended N5247B-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5247B Modification Recommended N5247B-03 A fabrication processing defect in the 26.5 GHz Dual Output microcircuit assembly was recently discovered affecting instruments that were shipped to customers between December 2020 and March 2021. This defect will severely affect the network analyzer’s functionality and should be sent to a local service center at the customer’s earliest convenience. 2021.09.27
N5249A Information Only N5249A-01 For instruments with serial numbers MY/SG/US51500000 / US99999999 and below the correct A7 Noise Receiver Board will continue to be part number N5242-60098. For instruments with MY/SG/US52010000 / US99999999 and above the N5242-90098 A7 Noise Receiver Board is being superseded by a RoHS compliant version (N5242-60124). IMPORTANT: It is NOT necessary to change out a good working N5242-60098 A7 Noise Receiver Board, because the firmware will recognize both versions of the A7 Noise Receiver Board. 2015.10.15
N5249A Information Only N5249A-02 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.22
N5249A Modification Recommended N5249A-05 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5249B Modification Recommended N5249B-01 A defect in the fabrication process of various PNA and PNA-X printed circuit board assemblies was discovered in December 2018. This affects some of the instruments which were shipped between August 2018 and December 2018. These assemblies need to be replaced as soon as possible to prevent premature failure. 2019.02.07
N5250A Modification Recommended N5250A-01 The 3 Amp fast-blow line fuse shipped in the N5260A units is the incorrect type. 2007.09.24
N5250A Modification Recommended N5250A-02 The customer must update the E8361A PNA Network Analyzer firmware to version A.06.03.09 or later to address a known issue with analyzer operation up to 110 GHz. 2007.09.25
N5260A Modification Recommended N5260A-01 The 3 Amp fast-blow line fuse shipped in the N5260A units is the incorrect type 2007.09.24
N5260A Modification Recommended N5260A-02 Add toroids to N5260A to reduce powr supply line interference. 2009.01.21
N5264A Information Only N5264A-01 GPIB0 has an incorrect Visa Interface ID. Agilent Connection Expert shows GPIB1 and this will cause the Service Adjustments to fail 2015.10.21
N5441A Information Only N5441A-01 The N5441A probe head has been discontinued by our Contract Manufacture. The support parts were not able to be purchased as there was no Life time Buy opportunity 2016.10.05
N5511A Modification Recommended N5511A-01 The N5511A fan grommets break down over a 1 to 3 year period and need to be replaced. 2024.01.31
N5540A Safety N5540A-01-S Potential power supply failure 2007.09.26
N5541A Safety N5541A-01-S Potential power supply failure 2007.09.26
N5542A Safety N5542A-01-S Potential power supply failure 2007.09.26
N5741A Information Only N5741A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5741A Modification Recommended N5741A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5741A Modification Recommended N5741A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.15
N5741A Modification Recommended N5741A-06A Firmware update on previous select versions. 2016.01.19
N5741A Safety N5741A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5741A Information Only N5741A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5742A Information Only N5742A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5742A Modification Recommended N5742A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5742A Modification Recommended N5742A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.15
N5742A Modification Recommended N5742A-06A Firmware update on previous select versions. 2016.01.14
N5742A Safety N5742A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5743A Information Only N5743A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5743A Modification Recommended N5743A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5743A Modification Recommended N5743A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.15
N5743A Modification Recommended N5743A-06A Firmware update on previous select versions. 2016.01.19
N5743A Safety N5743A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5743A Information Only N5743A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5744A Information Only N5744A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5744A Modification Recommended N5744A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.16
N5744A Modification Recommended N5744A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.15
N5744A Modification Recommended N5744A-06A Firmware update on previous select versions. 2016.01.14
N5744A Safety N5744A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5744A Information Only N5744A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5745A Information Only N5745A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5745A Modification Recommended N5745A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.16
N5745A Modification Recommended N5745A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.15
N5745A Modification Recommended N5745A-06A Firmware update on previous select versions. 2016.01.14
N5745A Safety N5745A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5745A Information Only N5745A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5745A Modification Recommended N5745A-09 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5746A Information Only N5746A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5746A Modification Recommended N5746A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5746A Modification Recommended N5746A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.15
N5746A Modification Recommended N5746A-06A Firmware update on previous select versions. 2016.01.14
N5746A Safety N5746A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5746A Information Only N5746A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5746A Modification Recommended N5746A-09 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5747A Information Only N5747A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5747A Modification Recommended N5747A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5747A Modification Recommended N5747A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5747A Modification Recommended N5747A-06A Firmware update on previous select versions. 2016.01.14
N5747A Safety N5747A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5747A Information Only N5747A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5748A Information Only N5748A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5748A Modification Recommended N5748A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5748A Modification Recommended N5748A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5748A Modification Recommended N5748A-06A Firmware update on previous select versions. 2016.01.14
N5748A Safety N5748A-07A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5748A Information Only N5748A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5749A Information Only N5749A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5749A Modification Recommended N5749A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5749A Modification Recommended N5749A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5749A Modification Recommended N5749A-06A Firmware update on previous select versions. 2016.01.14
N5749A Information Only N5749A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5750A Information Only N5750A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5750A Safety N5750A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N5750A Modification Recommended N5750A-07A Firmware update on previous select versions. 2016.01.14
N5750A Safety N5750A-08A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5750A Information Only N5750A-09 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N5750A Information Only N5750A-10 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5750A Modification Recommended N5750A-11 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5751A Information Only N5751A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5751A Safety N5751A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N5751A Modification Recommended N5751A-07A Firmware update on previous select versions. 2016.01.14
N5751A Safety N5751A-08A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5751A Information Only N5751A-09 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N5751A Information Only N5751A-10 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5752A Information Only N5752A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5752A Safety N5752A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N5752A Modification Recommended N5752A-07A Firmware update on previous select versions. 2016.01.14
N5752A Safety N5752A-08A-S Regulatory noncompliance with the option 901 (Power cord for Australia / New Zealand) 2017.05.11
N5752A Information Only N5752A-09 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N5752A Information Only N5752A-10 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5752A Modification Recommended N5752A-11 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5761A Information Only N5761A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5761A Modification Recommended N5761A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5761A Modification Recommended N5761A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5761A Modification Recommended N5761A-06A Firmware update on previous select versions. 2016.01.14
N5761A Information Only N5761A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5762A Information Only N5762A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5762A Modification Recommended N5762A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5762A Modification Recommended N5762A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5762A Modification Recommended N5762A-06A Firmware update on previous select versions. 2016.01.14
N5763A Information Only N5763A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5763A Modification Recommended N5763A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5763A Modification Recommended N5763A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5763A Modification Recommended N5763A-06A Firmware update on previous select versions. 2016.01.14
N5763A Information Only N5763A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5764A Information Only N5764A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5764A Modification Recommended N5764A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5764A Modification Recommended N5764A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5764A Modification Recommended N5764A-06A Firmware update on previous select versions. 2016.01.14
N5764A Information Only N5764A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5765A Information Only N5765A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5765A Modification Recommended N5765A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5765A Modification Recommended N5765A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5765A Modification Recommended N5765A-06A Firmware update on previous select versions. 2016.01.14
N5765A Information Only N5765A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5766A Information Only N5766A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5766A Modification Recommended N5766A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5766A Modification Recommended N5766A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5766A Modification Recommended N5766A-06A Firmware update on previous select versions. 2016.01.14
N5766A Information Only N5766A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5767A Information Only N5767A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5767A Modification Recommended N5767A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5767A Modification Recommended N5767A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5767A Modification Recommended N5767A-06A Firmware update on previous select versions. 2016.01.14
N5767A Information Only N5767A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5767A Modification Recommended N5767A-08 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5768A Information Only N5768A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5768A Modification Recommended N5768A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5768A Modification Recommended N5768A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5768A Modification Recommended N5768A-06A Firmware update on previous select versions. 2016.01.14
N5768A Information Only N5768A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5768A Modification Recommended N5768A-08 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5769A Information Only N5769A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5769A Modification Recommended N5769A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N5769A Modification Recommended N5769A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N5769A Modification Recommended N5769A-06A Firmware update on previous select versions. 2016.01.14
N5769A Information Only N5769A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5770A Information Only N5770A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5770A Safety N5770A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N5770A Modification Recommended N5770A-06A Firmware update on previous select versions. 2016.01.14
N5770A Information Only N5770A-07 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N5770A Information Only N5770A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5770A Modification Recommended N5770A-09 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5771A Information Only N5771A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5771A Safety N5771A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N5771A Modification Recommended N5771A-07A Firmware update on previous select versions. 2016.01.14
N5771A Information Only N5771A-08 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2021.08.25
N5771A Information Only N5771A-09 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5771A Modification Recommended N5771A-10 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5772A Information Only N5772A-01 For all N57XXA models when testing Load Transient Recovery time the Slew rate of the load be 7E4A/s, 0.1A/us 2009.07.27
N5772A Safety N5772A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N5772A Modification Recommended N5772A-07A Firmware update on previous select versions. 2016.01.14
N5772A Information Only N5772A-08 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N5772A Information Only N5772A-09 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.17
N5772A Modification Recommended N5772A-10 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N5991HP1A Information Only N5991HP1A-01 Some early M9537A units with Windows Operating System versions older than Windows 10 IoT Enterprise LTSC (64-bit) are no longer supported by Windows normal life cycle. The N5991HP1A version v1.3.x.x and above only supports a minimum of Windows 10, version 1809. 2024.02.19
N5998A Modification Recommended N5998A-01 Firmware update to turn pre-release units into final units. 2007.12.12
N5998A Modification Recommended N5998A-02 In certain cases the N5998A does not capture HDMI 1080p signals correctly and shows pixel errors after capturing HDMI frames. 2008.06.10
N5998A Modification Recommended N5998A-03 Serial Numbers: Any with N5998U-R14 upgrade certificate Firmware update version 0x0141 is required to generate and capture HDMI V1.4 3D packets. N5998U-R14 upgrade for HDMI V1.4 packet capture and generation is required to obtain firmware version 0x0141. 2010.01.03
N6700B Modification Recommended N6700B-01 Firmware update will address an issue where multiple N6700B DC Power 2005.06.07
N6700B Modification Available N6700B-02 The N6700B mainframe will produce a common mode spike upon turn on. There is a core available that will reduce the amplitude of the spike. 2006.04.09
N6700B Modification Recommended N6700B-03 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N6700B Information Only N6700B-04A Different Color Front Panel LCD Display 2018.03.07
N6700B Modification Recommended N6700B-05 No display/display flickering. Error related to the latch on connectors J50 opening. 2018.07.16
N6700C Modification Recommended N6700C-01 No display/display flickering. Error related to the latch on connectors J50 opening. 2018.07.16
N6700C Modification Recommended N6700C-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6700C Modification Recommended N6700C-05 Front Panel Display Flickering 2022.09.21
N6700C Modification Recommended N6700C-06 Unit may not be able to power on when user switches on from the front panel. 2023.10.30
N6700C Modification Recommended N6700C-08 The units may experience a sudden power off during operation 2024.02.19
N6701A Modification Recommended N6701A-01 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N6701A Information Only N6701A-02A Different Color Front Panel LCD Display 2018.03.07
N6701A Modification Recommended N6701A-03 No display/display flickering. Error related to the latch on connectors J50 opening. 2018.07.16
N6701C Modification Recommended N6701C-01 No display/display flickering. Error related to the latch on connectors J50 opening. 2018.07.16
N6701C Modification Recommended N6701C-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6701C Modification Recommended N6701C-05 Front Panel Display Flickering 2022.09.21
N6701C Modification Recommended N6701C-06 Unit may not be able to power on when user switches on from the front panel. 2023.10.30
N6702A Modification Recommended N6702A-01 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N6702A Information Only N6702A-02A Different Color Front Panel LCD Display 2018.03.07
N6702A Modification Recommended N6702A-03 No display/display flickering. Error related to the latch on connectors J50 opening. 2018.07.16
N6702C Modification Recommended N6702C-01 No display/display flickering. Error related to the latch on connectors J50 opening. 2018.07.16
N6702C Modification Recommended N6702C-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6702C Modification Recommended N6702C-05 Unit may not be able to power up when user switches on from the front panel 2022.06.29
N6702C Modification Recommended N6702C-06 Front Panel Display Flickering 2022.09.21
N6702C Modification Recommended N6702C-07 Unit may not be able to power on when user switches on from the front panel. 2023.10.30
N6705A Modification Recommended N6705A-01A Intermittent power on resets and power on lock ups 2007.10.15
N6705A Modification Recommended N6705A-02B Restricting the movement of the Front Panel FFC Cable 2007.11.08
N6705A Modification Recommended N6705A-03A Possible voltage may be present on the AC Input Filter Module 2007.10.30
N6705A Modification Recommended N6705A-04B There is a possibility that N675xA and N676xA DC power modules will output an unexpected voltage with firmware revision A.02.03. All units with A.02.03 firmware must be upgraded to more recent firmware. 2009.11.19
N6705A Safety N6705A-05B-S The safety ground connectors for specific serial numbers need to be verified for proper installation. 2009.04.20
N6715A Modification Recommended N6715A-01A Intermittent power on resets and power on lock ups 2007.10.15
N6715A Modification Recommended N6715A-02B Restricting the movement of the Front Panel FFC Cable 2007.11.08
N6715A Modification Recommended N6715A-03A Possible voltage may be present on the AC Input Filter Module 2007.10.30
N6731B Modification Recommended N6731B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6732B Modification Recommended N6732B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6733B Modification Recommended N6733B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6734B Modification Recommended N6734B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6734B Modification Recommended N6734B-02 Unit may exhibit ‘Channel Failed’ error. 2019.08.12
N6735B Modification Recommended N6735B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6736B Modification Recommended N6736B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6741B Modification Recommended N6741B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6741B Modification Recommended N6741B-02 Current programming accuracy may be out of specification at 60mA 2022.06.01
N6742B Modification Recommended N6742B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6743B Modification Recommended N6743B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6744B Modification Recommended N6744B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6744B Modification Recommended N6744B-02 Unit may exhibit ‘Channel Failed’ error. 2019.08.12
N6745B Modification Recommended N6745B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6746B Modification Recommended N6746B-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6751A Information Only N6751A-01 If a N6751A that has the LGA option and it is put in a mainframe with firmware that is earlier than C.02.06 or less, a “Channel Failed” error will occur. 2007.07.06
N6752A Information Only N6752A-01 If a N6751A that has the LGA option and it is put in a mainframe with firmware that is earlier than C.02.06 or less, a “Channel Failed” error will occur. 2007.07.06
N6761A Modification Recommended N6761A-01 The low range current programming accuracy can drift out of specification despite the fact that the unit is within the one year calibration interval. 2006.11.13
N6761A Modification Recommended N6761A-02 Firmware update will address an issue where N6700A, N6700B, N6701A and N6702A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). 2008.11.06
N6761A Modification Recommended N6761A-03 Firmware update will address an issue where N6705A and N6715A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). 2009.01.05
N6762A Modification Recommended N6762A-01 The low range current programming accuracy can drift out of specification despite the fact that the unit is within the one year calibration interval. 2006.11.13
N6762A Modification Recommended N6762A-02 Firmware update will address an issue where N6700A, N6700B, N6701A and N6702A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). 2008.11.06
N6762A Modification Recommended N6762A-03 Firmware update will address an issue where N6705A and N6715A mainframes will not detect the 2UA Option during a query for the option information from the mainframe’s menu as well as using the SCPI command SYST:CHAN:OPT? (@<chanlist>). 2009.01.05
N6773A Modification Recommended N6773A-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6774A Modification Recommended N6774A-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6775A Modification Recommended N6775A-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6776A Modification Recommended N6776A-01 Current Measurement accuracy is out of specification when there is voltage being sourced at the output terminals. 2006.11.16
N6777A Safety N6777A-01-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N6781A Modification Recommended N6781A-02 N6781A SMU modules have a higher incident of over-temperature failures than expected. There have been hardware and firmware changes made to the modules to prevent these failures. 2013.01.07
N6782A Modification Recommended N6782A-02 N6782A SMU modules have a higher incident of over-temperature failures than expected. There have been hardware and firmware changes made to the modules to prevent these failures. 2013.01.07
N6784A Modification Recommended N6784A-01 N6784A SMU modules have a higher incident of over-temperature failures than expected. There have been hardware and firmware changes made to the modules to prevent these failures. 2013.01.07
N6841A Modification Recommended N6841A-01 High band amplifier gain could degrade over time. 2010.10.24
N6841A Information Only N6841A-02 Memory Upgrade Available 2016.12.15
N6950A Modification Recommended N6950A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N6950A Modification Recommended N6950A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6951A Modification Recommended N6951A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N6951A Modification Recommended N6951A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6952A Modification Recommended N6952A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N6952A Modification Recommended N6952A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6953A Modification Recommended N6953A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N6953A Modification Recommended N6953A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6954A Modification Recommended N6954A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N6970A Modification Recommended N6970A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6971A Modification Recommended N6971A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6972A Modification Recommended N6972A-02 Intermittent LCD Blank display 2018.02.08
N6972A Modification Recommended N6972A-05 Front Panel Keypad Incorrect Function Error 2021.09.27
N6973A Modification Recommended N6973A-02 Non-RoHS compliance due to two leaded resistors. 2019.05.05
N6973A Modification Recommended N6973A-05 Front Panel Keypad Incorrect Function Error 2021.09.27
N6974A Modification Recommended N6974A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N6976A Modification Recommended N6976A-02 Non-RoHS compliance due to two leaded resistors. 2019.05.05
N6976A Modification Recommended N6976A-05 Front Panel Keypad Incorrect Function Error 2021.09.27
N6977A Modification Recommended N6977A-02 Non-RoHS compliance due to two leaded resistors. 2019.05.05
N6977A Information Only N6977A-03 Master PCA and Slave PCA Parts Repair Information 2020.02.12
N6977A Modification Recommended N6977A-05 Front Panel Keypad Incorrect Function Error 2021.09.27
N7000A Modification Recommended N7000A-01 With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. 2018.05.21
N7001A Modification Recommended N7001A-01 With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. 2018.05.21
N7002A Modification Recommended N7002A-01 With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. 2018.05.21
N7003A Modification Recommended N7003A-01 With older Infiniium Application SW versions, the probes microcontroller address can inadvertently be re-written. This will cause the probe to have an error message displayed on the scope when attached. 2018.05.21
N7019A Modification Recommended N7019A-01 The N7019A can fail when used above 5V/3A. 2022.06.07
N7270A Modification Available 5DX-66D X-axis and Y-axis E-chain cable wear 2008.05.27
N7270A Modification Recommended 5DX-84B Z-Axis Shoulder Bolt Screws Easily Broken 2008.09.09
N7270AR Information Only 5DX-01 Panel Handling Errors 1998.10.14
N7270AR Information Only 5DX-02 BRH Interlock Adjustment 1998.10.14
N7270AR Information Only 5DX-03 System Lockups reqyire Recovery Routines 1998.10.14
N7270AR Information Only 5DX-04 Testing the High Voltage Power Supply 1998.10.14
N7270AR Information Only 5DX-05 X-Axis jams during operation 1998.10.14
N7270AR Information Only 5DX-06 Y-Axis jams during operation 1998.10.14
N7270AR Information Only 5DX-07 Proper method to power off HP 5DX 1998.10.14
N7270AR Information Only 5DX-08 Proper method to power off HP 5DX2 1998.10.14
N7270AR Information Only 5DX-09 Making a tape backup 1998.10.14
N7270AR Information Only 5DX-10 X-ray Tube Gas Pressure 1998.10.14
N7270AR Information Only 5DX-11 Power On 1998.10.14
N7270AR Information Only 5DX-12 Stage Motion 1998.10.14
N7270AR Information Only 5DX-13 Possible Z-Axis stepper motor failure 1998.10.14
N7270AR Information Only 5DX-14 Servomotor encoder failure 1998.10.14
N7270AR Information Only 5DX-15 Master CPU and Image Camera 1998.10.14
N7270AR Information Only 5DX-16 Power on for Systems with Expanded Test Area 1998.10.14
N7270AR Information Only 5DX-17 Inconsistent data about primary input power 1998.10.14
N7270AR Information Only 5DX-18 Lastest CPU cards do not have com2 port 1998.10.14
N7270AR Information Only 5DX-19 Brushes in Axis Serveromotor Failing 1998.10.14
N7270AR Information Only 5DX-20 Improper use of Diagnostic Software Tool 1998.10.14
N7270AR Information Only 5DX-21 Series II will include tamper-proof fasterner 1998.10.14
N7270AR Information Only 5DX-22 High Voltage Subsystem Error 1998.10.14
N7270AR Information Only 5DX-23 Need to reinstall Service Pack 3 1998.10.14
N7270AR Modification Recommended 5DX-24 New fuses fo 50Hz Series II System 1998.10.13
N7270AR Information Only 5DX-25 Series II user interface ""error"" message recovery process 1998.10.14
N7270AR Information Only 5DX-26 5.1 Software release PHS bug 1998.10.14
N7270AR Information Only 5DX-27 Series II bar code reader installation 1998.10.14
N7270AR Information Only 5DX-28 Series II system controller 1998.10.14
N7270AR Information Only 5DX-29 Series II system and Series I systems upgraded to Series II communication errors 1998.10.14
N7270AR Information Only 5DX-30 Tamper proof hardware 1998.10.14
N7270AR Information Only 5DX-31 Replacement exchange parts 1998.10.14
N7270AR Information Only 5DX-32 Crunch sensor problems 2000.11.02
N7270AR Information Only 5DX-33 Properly connecting cables to frame grabber cards 2000.11.02
N7270AR Information Only 5DX-34 Cooling fan failure 2001.06.14
N7270AR Information Only 5DX-35 Motion control cards replacement procedure 1998.11.11
N7270AR Information Only 5DX-36 Camera power cable can be connected to the wrong power supply 1998.11.24
N7270AR Information Only 5DX-37 Possible PDU damage 2001.06.14
N7270AR Information Only 5DX-38 Batch files to open/close inner door 2000.11.03
N7270AR Safety 5DX-39-S Possible X-Ray Radiation Hazard 1998.12.31
N7270AR Information Only 5DX-40 MSUITEST will fail if run from DOS 1999.09.30
N7270AR Information Only 5DX-41 New Software Updates 2000.01.18
N7270AR Modification Available 5DX-42 Interlock switch upgrade kit to improve reliability 2000.10.25
N7270AR Modification Available 5DX-43 Upgrade kit for cable and interlock switches on inner barrier 2000.10.25
N7270AR Modification Recommended 5DX-44 IHVPS Delay Cable Upgrade increases the reliability of the Interlock Chain 2000.10.31
N7270AR Information Only 5DX-45 Modified spanner wrench for ball screws 2000.01.18
N7270AR Modification Recommended 5DX-46 Kayak controller power wake-up resolution 2000.11.01
N7270AR Modification Recommended 5DX-47 Modifications to correct interbarrier problems 2000.10.25
N7270AR Modification Recommended 5DX-48A Potential X-Ray Emission 2000.10.31
N7270AR Information Only 5DX-49 Isolation transformer fuse change 2000.11.03
N7270AR Priority Safety 5DX-50-S Possible X-Ray Radiation Hazard 2000.05.31
N7270AR Modification Available 5DX-51 DC Servo Motor Reliability Upgrade 2001.01.04
N7270AR Modification Available 5DX-54 An adjustment can be made to the 48-volt power supply to correct Z-axis errors on early series3 systems 2002.05.29
N7270AR Safety 5DX-55-S Moving inner barrier hazard 2001.04.30
N7270AR Modification Available 5DX-57 An improved Panel Clear Sensor is available for Series 2L Systems. 2002.04.30
N7270AR Modification Available 5DX-58 Panel in place sensor upgrade 2001.08.21
N7270AR Modification Available 5DX-59 A kit is a available to modify the 48-volt power supply to 65 volts 2002.05.29
N7270AR Safety 5DX-60-S Potential falling panel and pinch hazard 2001.03.31
N7270AR Modification Recommended 5DX-61 Modification to E-chain retainer bracket 2001.06.05
N7270AR Safety 5DX-62-S X-ray radiation levels may exceed specs 2002.08.13
N7270AR Modification Available 5DX-63 Fixed rail may require adjustment 2001.06.07
N7270AR Modification Recommended 5DX-64 Integrated high voltage power supply communication problem 2001.10.24
N7270AR Modification Available 5DX-65 Camera Utility verifies 5DX Series 2 System's measured solder thickness. 2004.03.25
N7270AR Modification Recommended 5DX-66C X-axis and Y-axis E-Chain Cable Wear 2006.06.19
N7270AR Safety 5DX-67-S POSSIBLE X-ray Emissions HAZARD 2002.01.27
N7270AR Safety 5DX-68-S X-ray emissions above the Agilent specification possible on the bottom of the system between the tub (rotary axis enclosure) and the back of the system. The kit listed in this service note must be installed when this failure occurs. 2002.01.31
N7270AR Modification Available 5DX-69 The Panel Clear Sensor used on the 5DX Series 5000 is now available as a customer installable upgrade for Series 3 Systems 2002.07.07
N7270AR Priority Safety 5DX-70-S POSSIBLE SERIOUS INJURY OR DEATH 2002.02.14
N7270AR Priority Safety 5DX-71-S POSSIBLE SHOCK HAZARD 2002.07.29
N7270AR Modification Available 5DX-72 The screws used to mount the Z-linear rails can become loose, which can cause the stage to be limited in its z-motion leading to alignment and surface mapping errors. New screws and lock washers are available to fix this problem. 2002.08.18
N7270AR Modification Recommended 5DX-73 A new cable is available to allow the 5DX Laser Diodes to be turned off when not in use. This will significantly increase the life of the Laser assemblies. 2003.04.20
N7270AR Information Only 5DX-74 5DX Radiation Safety Specifications 2004.03.26
N7270AR Modification Available 5DX-75 PS/2 Keyboard /Mouse Extender Lockup Problem 2004.12.22
N7270AR Safety 5DX-76-S POSSIBLE ELECTRICAL SHOCK HAZARD 2005.08.17
N7270AR Safety 5DX-77-S POSSIBLE ELECTRICAL SHOCK HAZARD 2005.07.28
N7270AR Modification Recommended 5DX-78 Release of 5DX Windows XP System Controller Emergency Recovery Kits. 2005.05.09
N7270AR Priority Safety 5DX-79-S POSSIBLE ELECTRICAL SHOCK HAZARD 2005.07.28
N7270AR Information Only 5DX-80 Automatic - X-Ray Safety Test on 5DX Systems with one Loader or one Outer Barrier does not work 2005.05.10
N7270AR Modification Recommended 5DX-81B 5DX Digital I/O Inspection Instructions for Potentially PCA shorts 2006.05.10
N7270AR Safety 5DX-82A-S The E1135A/B/C PDU may not turn off when the EMO switch (emergency stop) is pressed. 2007.05.22
N7270AR Safety 5DX-83A-S POSSIBLE LASER EMISSION HAZARD 2005.08.30
N7270AR Modification Recommended 5DX-85A Heavy PCA causing PIP Sticking Problem 2007.05.23
N7270AR Modification Available 5DX-86 Imaging Camera Resolution Degrading over time 2006.09.10
N7270AR Modification Recommended 5DX-87 Wrong Motion Driver Profiles Loaded into 5DX Servo Driver Modules 2006.09.10
N7270AR Modification Recommended 5DX-88 Undetectable Mouse or DOA Mouse 2007.03.05
N7271A Modification Available 5DX-66D X-axis and Y-axis E-chain cable wear 2008.05.27
N7271A Modification Recommended 5DX-84B Z-Axis Shoulder Bolt Screws Easily Broken 2008.09.09
N7271A Information Only 5DX-89 Defective Vac Ion Power Supply Failure Can Damage X-ray Tube 2008.04.07
N7280A Information Only X6000-03 The Medalist x6000 can be damaged by foreign objects falling inside of it. The damage can affect the performance of the system and can lead to costly down time and repairs which are not covered by Agilent service contracts. 2010.05.25
N7280A Information Only X6000-04 Motion Scope Instructions for potential Camera Trigger Phase Lock Loop Problems 2010.05.25
N7280A Safety X6000-05-S X-ray emissions above the Agilent specification are possible from an inner barrier that has only 2 screws holding the lead bar onto the drive bar. After 100,000s of cycles the lead bar may crack in half which may cause higher radiation leakage when the left outer barrier is opened. 2011.01.05
N7550A Modification Available N7550A-01 Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. 2018.08.06
N7551A Modification Available N7551A-01 Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. 2018.08.06
N7552A Modification Available N7552A-01 Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. 2018.08.06
N7553A Modification Available N7553A-01 Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. 2018.08.06
N7554A Modification Available N7554A-01 Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. 2018.08.06
N7555A Modification Available N7555A-01 Add-on mechanical components to enhance instrument reliability. This optional modification is chargeable to factory warranty only if done concurrently with a recertification or repair. 2018.08.06
N7744A Modification Recommended N7744A-01 Correction of calibration data recommended for absolute power measurement. The contribution of temperature dependence has been improperly applied in the data saved on these units, which offsets the power readings at longer wavelengths. Relative power changes are not impacted. 2019.07.25
N7745A Modification Recommended N7745A-01 Correction of calibration data recommended for absolute power measurement. The contribution of temperature dependence has been improperly applied in the data saved on these units, which offsets the power readings at longer wavelengths. Relative power changes are not impacted. 2019.07.25
N7768A Modification Recommended N7768A-01 Potential data inconsistency causing measurement drift. 2023.06.26
N7782B Modification Recommended N7782B-01 Poor PER measurement due to noisy SOP values 2012.08.13
N7784B Modification Recommended N7784B-01 Poor SOP stabilization performance due to noisy optical feedback signal 2012.08.13
N7786B Modification Recommended N7786B-01 Noisy SOP values at low optical input power level 2012.08.13
N7788B Modification Recommended N7788B-01A Optical switch inside N7788B may not work properly under all circumstances 2012.05.31
N7788B Modification Recommended N7788B-02 Noisy SOP values at low optical input power level 2012.08.13
N7950A Modification Recommended N7950A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N7950A Modification Recommended N7950A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7951A Modification Recommended N7951A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N7951A Modification Recommended N7951A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7952A Modification Recommended N7952A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N7952A Modification Recommended N7952A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7953A Modification Recommended N7953A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N7953A Modification Recommended N7953A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7954A Modification Recommended N7954A-02 Charge Present on the AC terminal when unplugging the unit. 2017.10.29
N7954A Modification Recommended N7954A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7970A Modification Recommended N7970A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7971A Modification Recommended N7971A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7972A Modification Recommended N7972A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7974A Modification Recommended N7974A-04 Front Panel Keypad Incorrect Function Error 2021.09.27
N7976A Modification Recommended N7976A-02 Non-RoHS compliance due to two leaded resistors. 2019.05.05
N7976A Modification Recommended N7976A-05 Front Panel Keypad Incorrect Function Error 2021.09.27
N7977A Modification Recommended N7977A-02 Non-RoHS compliance due to two leaded resistors. 2019.05.05
N7977A Modification Recommended N7977A-05 Front Panel Keypad Incorrect Function Error 2021.09.27
N8201A Information Only N8201A-01 CPU Battery Replacement Instructions 2012.04.30
N8262A Modification Recommended N8262A-01 Power Switch Wrong Orientation 2016.03.08
N8262A Modification Recommended N8262A-02 Intermittent LAN Connectivity 2016.04.06
N8262A Modification Recommended N8262A-03 Internal fan functionality and abnormal sound 2017.02.15
N8262A Modification Recommended N8262A-04 1mW Power Reference Failure 2022.09.18
N8300A Modification Recommended N8300A-01 Firmware & License Upgrades Affected By User Permissions 2008.03.17
N8300A Information Only N8300A-02 Resolving A 'Found New Hardware' Prompt For 'N8300AS' 2008.05.01
N8300A Modification Recommended N8300A-03 Batch Related Component Issue May Result In A Non-Functioning Instrument 2008.08.17
N8481A Modification Recommended N8481A-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8481B Modification Recommended N8481B-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8481H Modification Recommended N8481H-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8482A Modification Recommended N8482A-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8482B Modification Recommended N8482B-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8482H Modification Recommended N8482H-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8485A Modification Recommended N8485A-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8486AQ Modification Recommended N8486AQ-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8486AR Modification Recommended N8486AR-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8487A Modification Recommended N8487A-02 “Cal error” message generated when power reference calibration is being carried out at low temperature (0 – 3 degree Celsius) 2010.02.04
N8731A Modification Recommended N8731A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8731A Modification Recommended N8731A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8731A Modification Recommended N8731A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8731A Modification Recommended N8731A-05A Firmware update on previous select versions. 2016.01.14
N8731A Safety N8731A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8731A Information Only N8731A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8732A Modification Recommended N8732A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8732A Modification Recommended N8732A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8732A Modification Recommended N8732A-05A Firmware update on previous select versions. 2016.01.14
N8732A Safety N8732A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8733A Modification Recommended N8733A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8733A Modification Recommended N8733A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8733A Modification Recommended N8733A-05A Firmware update on previous select versions. 2016.01.14
N8733A Safety N8733A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8733A Information Only N8733A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8734A Modification Recommended N8734A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8734A Modification Recommended N8734A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8734A Modification Recommended N8734A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8734A Modification Recommended N8734A-05A Firmware update on previous select versions. 2016.01.14
N8734A Safety N8734A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8735A Modification Recommended N8735A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8735A Modification Recommended N8735A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8735A Modification Recommended N8735A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8735A Modification Recommended N8735A-05A Firmware update on previous select versions. 2016.01.14
N8735A Safety N8735A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.17
N8735A Information Only N8735A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8736A Modification Recommended N8736A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8736A Modification Recommended N8736A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8736A Modification Recommended N8736A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8736A Modification Recommended N8736A-05A Firmware update on previous select versions. 2016.01.14
N8736A Safety N8736A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8736A Information Only N8736A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8737A Modification Recommended N8737A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8737A Modification Recommended N8737A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8737A Modification Recommended N8737A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8737A Modification Recommended N8737A-05A Firmware update on previous select versions. 2016.01.14
N8737A Safety N8737A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8737A Information Only N8737A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8738A Modification Recommended N8738A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8738A Modification Recommended N8738A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8738A Modification Recommended N8738A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8738A Modification Recommended N8738A-05A Firmware update on previous select versions. 2016.01.14
N8738A Safety N8738A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8738A Information Only N8738A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8739A Modification Recommended N8739A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8739A Modification Recommended N8739A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8739A Modification Recommended N8739A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8739A Modification Recommended N8739A-05A Firmware update on previous select versions. 2016.01.14
N8739A Safety N8739A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8739A Information Only N8739A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8740A Modification Recommended N8740A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8740A Safety N8740A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N8740A Modification Recommended N8740A-05A Firmware update on previous select versions. 2016.01.14
N8740A Safety N8740A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8740A Information Only N8740A-07 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N8740A Information Only N8740A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8740A Modification Recommended N8740A-09 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N8741A Modification Recommended N8741A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8741A Safety N8741A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N8741A Modification Recommended N8741A-05A Firmware update on previous select versions. 2016.01.14
N8741A Safety N8741A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8741A Information Only N8741A-07 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N8741A Information Only N8741A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8741A Modification Recommended N8741A-09 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N8742A Modification Recommended N8742A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8742A Safety N8742A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N8742A Safety N8742A-03-S During verification performance testing of this power supply it can have a hazardous voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2013.06.20
N8742A Modification Recommended N8742A-05A Firmware update on previous select versions. 2016.01.14
N8742A Safety N8742A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8742A Information Only N8742A-07 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N8742A Information Only N8742A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8742A Modification Recommended N8742A-09 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N8754A Modification Recommended N8754A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8754A Modification Recommended N8754A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8754A Modification Recommended N8754A-05A Firmware update on previous select versions. 2016.01.14
N8754A Safety N8754A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8755A Modification Recommended N8755A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8755A Modification Recommended N8755A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8755A Modification Recommended N8755A-05A Firmware update on previous select versions. 2016.01.14
N8755A Safety N8755A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8756A Modification Recommended N8756A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8756A Modification Recommended N8756A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8756A Modification Recommended N8756A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8756A Modification Recommended N8756A-05 Firmware update on previous select versions. 2015.10.11
N8756A Modification Recommended N8756A-05A Firmware update on previous select versions. 2016.01.14
N8756A Safety N8756A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8757A Modification Recommended N8757A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8757A Modification Recommended N8757A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8757A Modification Recommended N8757A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8757A Modification Recommended N8757A-05A Firmware update on previous select versions. 2016.01.14
N8757A Safety N8757A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8757A Information Only N8757A-07 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8758A Modification Recommended N8758A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8758A Modification Recommended N8758A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8758A Modification Recommended N8758A-05A Firmware update on previous select versions. 2016.01.14
N8758A Safety N8758A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8759A Modification Recommended N8759A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8759A Modification Recommended N8759A-02 The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.07.15
N8759A Modification Recommended N8759A-03 During verification performance testing of this power supply it can have a unexpected voltage level on its output as result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure 2013.07.16
N8759A Modification Recommended N8759A-05A Firmware update on previous select versions. 2016.01.14
N8759A Safety N8759A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.28
N8760A Modification Recommended N8760A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8760A Safety N8760A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N8760A Modification Recommended N8760A-05A Firmware update on previous select versions. 2016.01.14
N8760A Safety N8760A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.26
N8760A Information Only N8760A-07 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N8760A Information Only N8760A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8761A Modification Recommended N8761A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8761A Safety N8761A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N8761A Modification Recommended N8761A-05A Firmware update on previous select versions. 2016.01.14
N8761A Safety N8761A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8761A Information Only N8761A-07 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N8761A Modification Recommended N8761A-08 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N8762A Modification Recommended N8762A-01 The Product quality, reliability and specifications may be affected due to defective electrolytic capacitors in all N8700A 3300Watt & 5000Watt models. 2011.11.13
N8762A Safety N8762A-02-S The web page served from these products to a web browser running Java 7 displays the incorrect output state. 2013.06.20
N8762A Modification Recommended N8762A-05A Firmware update on previous select versions. 2016.01.14
N8762A Safety N8762A-06 Presence of a residual voltage at the output terminals with respect to chassis ground when the output is turned off but power supply remains connected to the mains for more than 60 hours. 2018.11.20
N8762A Information Only N8762A-07 During verification performance testing of this power supply it can have a high voltage level on its output as the result of the verification procedure ending with the maximum voltage setting and not instructing the user to set voltage levels to zero at the end of the verification procedure. 2021.08.27
N8762A Information Only N8762A-08 Units in the above serial number range may encounter missing serial number in WebUI and Keysight Connection Expert. 2023.05.18
N8762A Modification Recommended N8762A-09 Current programming and readback accuracy may be marginally out of specification. 2024.03.14
N8920A Modification Recommended N8920A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.19
N8920A Modification Recommended N8920A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.15
N8921A Modification Recommended N8921A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8921A Modification Recommended N8921A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8923A Modification Recommended N8923A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8924A Modification Recommended N8924A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8924A Modification Recommended N8924A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8925A Modification Recommended N8925A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8925A Modification Recommended N8925A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8926A Modification Recommended N8926A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8928A Modification Recommended N8928A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8928A Modification Recommended N8928A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8929A Modification Recommended N8929A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8929A Modification Recommended N8929A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8930A Modification Recommended N8930A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2019.11.30
N8930A Modification Recommended N8930A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8931A Modification Recommended N8931A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.21
N8931A Modification Recommended N8931A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8932A Modification Recommended N8932A-01 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8934A Modification Recommended N8934A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8934A Modification Recommended N8934A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8935A Modification Recommended N8935A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8935A Modification Recommended N8935A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8937A Modification Recommended N8937A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8937A Modification Recommended N8937A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8940A Modification Recommended N8940A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8940A Modification Recommended N8940A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8941A Modification Recommended N8941A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8941A Modification Recommended N8941A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8943A Modification Recommended N8943A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8943A Modification Recommended N8943A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8944A Modification Recommended N8944A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8944A Modification Recommended N8944A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8945A Modification Recommended N8945A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8945A Modification Recommended N8945A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8946A Modification Recommended N8946A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8946A Modification Recommended N8946A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8948A Modification Recommended N8948A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8948A Modification Recommended N8948A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8949A Modification Recommended N8949A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8950A Modification Recommended N8950A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8950A Modification Recommended N8950A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8951A Modification Recommended N8951A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8951A Modification Recommended N8951A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8952A Modification Recommended N8952A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8952A Modification Recommended N8952A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8954A Modification Recommended N8954A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8955A Modification Recommended N8955A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.22
N8955A Modification Recommended N8955A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8957A Modification Recommended N8957A-01 Operation of like model numbered products, in a Master/Slave current sharing configuration could result in a non-uniform distribution of the total output current amongst the configured units. Disparate current division may also cause individual instruments to oscillate. 2016.06.23
N8957A Modification Recommended N8957A-02 Unit may encounter intermittently keypad stuck when pressing the keys at front panel. 2023.06.26
N8973A Modification Recommended N8973A-01 Potential screen flicker 2000.11.08
N8973A Information Only N8973A-02 Noise figure IF assembly contains incorrect revision number 2001.07.17
N8973A Modification Recommended N8973A-03 Defective Noise Figure IF assembly may cause instrument failures. 2003.03.26
N8973A Information Only N8973A-04 New Front End board changes instrument response and improves specs. 2004.12.17
N8973A Modification Recommended N8973A-05A Potential RF Self-test Errors 2005.03.02
N8973A Modification Recommended N8973A-06 Correct label for "REF IN OUT" silkscreening reversal 2006.10.02
N8973A Information Only N8973A-07 A8 RF Assembly Part Numbers 2006.11.29
N8973A Modification Available N8973A-09 N4000A & N4001A Smart Noise Source Excessive Noise Ratio (ENR) data may not properly download. 2009.07.23
N8973A Modification Available N8973A-10 Instrument firmware version A.01.13 may improve Analyzer Noise Figure results in low band at 3.0 GHz by as much as 1-2 dB. 2009.10.27
N8973B Modification Recommended N8973B-01 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.06
N8973B Information Only N8973B-05 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N8974A Modification Recommended N8974A-01 Defective Noise Figure IF assembly may cause instrument failures. 2003.03.26
N8974A Modification Available N8974A-02 Connector A3J10 does not have suitable locking mechanism. 2004.04.14
N8974A Information Only N8974A-03 New Front End board changes instrument response and improves specs up to 3GHz. 2004.12.17
N8974A Modification Recommended N8974A-04 Correct label for "REF IN OUT" silkscreening reversal 2006.10.02
N8974A Information Only N8974A-05 A8 RF Assembly Part Numbers 2006.11.29
N8974A Modification Recommended N8974A-06 “Microwave Noise Greater than Signal” error message on the screen 2007.12.03
N8974A Modification Available N8974A-07 N4000A & N4001A Smart Noise Source Excessive Noise Ratio (ENR) data may not properly download. 2009.07.23
N8974A Modification Available N8974A-08 Instrument firmware version A.01.13 may improve Analyzer Noise Figure results in low band at 3.0 GHz by as much as 1-2 dB. 2009.10.27
N8974B Modification Recommended N8974B-01 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.06
N8974B Information Only N8974B-05 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N8975A Modification Recommended N8975A-01 Defective Noise Figure IF assembly may cause instrument failures. 2003.03.26
N8975A Modification Available N8975A-02 Connector A3J10 does not have suitable locking mechanism. 2004.04.14
N8975A Information Only N8975A-03 New Front End board changes instrument response and improves specs up to 3GHz. 2004.12.17
N8975A Modification Recommended N8975A-04A Potential RF Self-test Errors 2005.03.02
N8975A Modification Recommended N8975A-05 Correct label for "REF IN OUT" silkscreening reversal 2006.10.02
N8975A Information Only N8975A-06 A8 RF Assembly Part Numbers 2006.11.29
N8975A Modification Recommended N8975A-07 “Microwave Noise Greater than Signal” error message on the screen 2007.12.03
N8975A Modification Available N8975A-08 N4000A & N4001A Smart Noise Source Excessive Noise Ratio (ENR) data may not properly download. 2009.07.23
N8975A Modification Available N8975A-09 Instrument firmware version A.01.13 may improve Analyzer Noise Figure results in low band at 3.0 GHz by as much as 1-2 dB. 2009.10.27
N8975B Modification Recommended N8975B-01 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.06
N8975B Information Only N8975B-06 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N8976B Modification Recommended N8976B-01 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.06
N8976B Information Only N8976B-06 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9000A Information Only N9000A-03A Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9000A Modification Available N9000A-07 Tighten the Screws on Shields of RF Board to Improve the Residual Response Performance 2018.03.06
N9000A Information Only N9000A-08 Availability Ending Soon for N9000AK-A2B, Upgrade N9000A to N9000B 2018.09.19
N9000A Information Only N9000A-09 Measurement Application Specifications for N9000A Signal Analyzers Upgraded to Multi-Touch User Interface (UI) 2018.10.15
N9000B Safety N9000B-01-S Bail handle might break unexpectedly, causing analyzer to drop, injuring user and damaging analyzer 2018.05.24
N9000B Information Only N9000B-05 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9010A Information Only N9010A-01D Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9010A Information Only N9010A-03B EXA Signal Analyzer Removable Disk Drive and CPU Compatibility 2019.02.14
N9010A Modification Recommended N9010A-04 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.05
N9010A Information Only N9010A-05 Measurement Application Specifications for N9010A Signal Analyzers Upgraded to Multi-Touch User Interface (UI) 2018.10.15
N9010B Safety N9010B-01A-S Bail handle might break unexpectedly, causing analyzer to drop, injuring user and damaging analyzer. 2018.09.03
N9010B Modification Recommended N9010B-02 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.05
N9010B Information Only N9010B-07 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9010B Modification Recommended N9010B-08 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9020A Information Only N9020A-01B Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9020A Information Only N9020A-03B MXA Signal Analyzer Removable Disk Drive and CPU Compatibility 2019.02.14
N9020A Information Only N9020A-04 A26 Wideband Digital IF Assembly Requires Instrument Software Upgrade 2014.06.20
N9020A Modification Recommended N9020A-05 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.05
N9020A Information Only N9020A-06 Measurement Application Specifications for N9020A Signal Analyzers Upgraded to Multi-Touch User Interface (UI) 2018.10.15
N9020A Information Only N9020A-07 Availability Ending Soon for N9020AK-A2B, Upgrade N9020A to N9020B 2018.09.19
N9020B Safety N9020B-01-S Bail handle might break unexpectedly, causing analyzer to drop, injuring user and damaging analyzer. 2018.05.24
N9020B Modification Recommended N9020B-02 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.05
N9020B Information Only N9020B-09 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9020B Modification Recommended N9020B-10 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9021B Modification Recommended N9021B-01 Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 532 (32 GHz), 544 (44 GHz) or option 550 (50 GHz) analyzers. 2021.02.28
N9021B Information Only N9021B-04 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9021B Modification Recommended N9021B-05 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9030A Information Only N9030A-01B Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9030A Information Only N9030A-02 A16 Reference Assembly Requires Instrument Software Upgrade The A16 Reference Assembly, p/n N9020-60188, requires SW revision A.10.52 or later. 2012.12.17
N9030A Information Only N9030A-03A EXA Signal Analyzer Removable Disk Drive and CPU Compatibility 2016.12.22
N9030A Information Only N9030A-04 A12 YTF Preselector Replacement Requires Instrument Software Upgrade Replacing the A12 Preselector on instrument options 543, 544 and 550, requires SW revision A.11.03 or later. 2012.12.17
N9030A Information Only N9030A-05 Software bug causes IF frequency response errors in FFT sweep mode above 3.6 GHz 2013.12.03
N9030A Information Only N9030A-06 A26 Wideband Digital IF Assembly Requires Instrument Software Upgrade 2014.06.20
N9030A Modification Recommended N9030A-07 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.05
N9030A Information Only N9030A-08 Availability Ending Soon for N9030AK-A2B, Upgrade N9030A to N9030B 2018.09.19
N9030A Information Only N9030A-09 Measurement Application Specifications for N9030A Signal Analyzers Upgraded to Multi-Touch User Interface (UI) 2018.10.15
N9030B Modification Recommended N9030B-01 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.05
N9030B Modification Recommended N9030B-04 Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 544 (44 GHz) or option 550 (50 GHz) analyzers. 2021.02.28
N9030B Information Only N9030B-08 A16A3 Reference OCXO Replacement Part Now Available 2024.03.06
N9030B Information Only N9030B-09 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9030B Modification Recommended N9030B-10 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9032B Information Only N9032B-03 A16A3 Reference OCXO Replacement Part Now Available 2024.03.06
N9032B Information Only N9032B-05 RF to IF flatness corrections for option FBP needed after software upgrade to A.37 and later. 2024.05.02
N9032B Information Only N9032B-06 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9032B Modification Recommended N9032B-07 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9038A Information Only N9038A-01 Front Frame Assembly Changes with Switch from CCFL to LED Backlit Display 2012.10.01
N9038A Information Only N9038A-02 New A16 Reference Assembly Requires Instrument Software Version A.10.53 or Newer 2013.01.10
N9038A Information Only N9038A-03 New A15 Front End Control Assembly Requires New W12 YTF Control Cable 2013.01.10
N9038A Modification Recommended N9038A-04 Instruments with option DP2 need to have software version A.13.60 or newer 2014.03.18
N9038A Modification Available N9038A-05 Reduce Unspecified Residual Responses Between 400 and 600 MHz 2014.12.03
N9038A Modification Recommended N9038A-07 Change to SCPI command can affect the returned Y-Axis units 2016.04.26
N9038A Modification Recommended N9038A-08 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.05
N9038A Modification Recommended N9038A-10 The existing CE regulatory Class A Label should be removed from the back of the instrument (If present) and replaced by a new CE regulatory Class B Label 2020.12.13
N9040B Modification Recommended N9040B-01 Instrument software versions A.20.03 and A.20.04 cause intermittent amplitude errors 2018.04.11
N9040B Modification Recommended N9040B-04 Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 544 (44 GHz) or option 550 (50 GHz) analyzers. 2021.02.28
N9040B Information Only N9040B-08 A16A3 Reference OCXO Replacement Part Now Available 2024.03.06
N9040B Information Only N9040B-09 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9040B Modification Recommended N9040B-10 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9041B Modification Recommended N9041B-01 Signal amplitude loss can occur above 3.6 GHz tuned frequency. 2021.02.28
N9041B Information Only N9041B-04 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9041B Modification Recommended N9041B-05 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9042B Modification Recommended N9042B-03 Instruments with Option 544 Need to Have Instrument Software Revision A.33.03 or Newer 2023.09.24
N9042B Information Only N9042B-04 A16A3 Reference OCXO Replacement Part Now Available 2024.03.06
N9042B Information Only N9042B-05 Selecting Proper CPU and Disk Drive Replacement Part Number 2024.06.04
N9042B Modification Recommended N9042B-06 Instrument Software Incompatibility – A.38.0x versus 89600 2024.07.11
N9048B Modification Recommended N9048B-01 The existing CE regulatory Class A Label should be removed from the back of the instrument (If present) and replaced by a new CE regulatory Class B Label 2020.12.13
N9048B Modification Recommended N9048B-02 Signal amplitude loss can occur above 3.6 GHz tuned frequency on option 544 (44 GHz) analyzers. 2021.02.28
N9048B Modification Recommended N9048B-05 Signal amplitude loss can occur in Band C/D with Accelerated Time Domain Scan (ATDS) ON on N9048B option 503 (3.6GHz) 2023.09.28
N9048B Modification Recommended N9048B-06 Characterize Noise Floor required prompt even Characterize Noise Floor is performed. 2024.10.02
N9100A Modification Recommended N9100A-01 Diagnostics LC outer port manual test fails on specified condition 2012.07.25
N9100A Modification Recommended N9100A-02 Industrial PC requires SATA power conversion cable to replace 2014.03.13
N9100A Modification Recommended N9100A-03 Industrial PC requires SATA digital cable and DVI extension cable to replace 2014.03.13
N9100A Modification Recommended N9100A-04 E4980A cannot power on due to PSU malfunction 2019.04.02
N9100A2B Modification Recommended N9100A2B-01 E4980A cannot power on due to PSU malfunction 2019.04.02
N9100AU Modification Recommended N9100AU-01 E4980A cannot power on due to PSU malfunction 2019.04.02
N9100E Modification Recommended N9100E-01 E4980A cannot power on due to PSU malfunction 2019.04.02
N9320A Modification Recommended N9320A-01 Possible Internal Screws Loosen 2008.11.26
N9322C Information Only N9322C-01 Keyboard Responsive Issue 2017.10.25
N9342C Information Only N9342C-02 Can’t Recognize Spare Battery Information 2019.07.31
N9344C Information Only N9344C-02 Can’t Recognize Spare Battery Information 2019.07.31
N9912A Modification Available N9912A-01 Unit may sometimes revert to a zero serial number on boot up. 2009.08.19
N9912A Modification Available N9912A-02 Old versions of the System Board (N9912-60004) and the RF assembly (N9912-60002) must both be replaced when either assembly is replaced. 2009.08.19
N9912A Modification Recommended N9912A-03A Replace or modify the System Board (N9912-60004) to prevent power up problem. 2012.08.08
N9912A Modification Recommended N9912A-04A Potential frequency accuracy shifted when restarting N9912A from standby mode. 2010.08.26
N9912A Modification Recommended N9912A-05 FieldFox N9912A firmware versions earlier than A.05.34 may cause the battery to charge incorrectly. 2011.08.16
N9912A Information Only N9912A-06A New I/O Parts Due to FieldFox System Board Change 2012.02.28
N9912A Information Only N9912A-07 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9912A Modification Recommended N9912A-09A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9912A Modification Recommended N9912A-10 The Fieldfox unit might not boot up properly after insert battery and connect to AC/DC power adapter. 2020.09.10
N9913A Modification Recommended N9913A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9913A Modification Recommended N9913A-02 FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. 2013.04.11
N9913A Modification Recommended N9913A-03 FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2013.08.01
N9913A Information Only N9913A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9913A Modification Recommended N9913A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9913A Modification Recommended N9913A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9913A Modification Recommended N9913A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9913A Modification Recommended N9913A-07 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9913B Modification Recommended N9913B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9914A Modification Recommended N9914A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9914A Modification Recommended N9914A-02 FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. 2013.04.11
N9914A Modification Recommended N9914A-03 FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2013.08.01
N9914A Information Only N9914A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9914A Modification Recommended N9914A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9914A Modification Recommended N9914A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9914A Modification Recommended N9914A-07 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9914B Modification Recommended N9914B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9915A Modification Recommended N9915A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9915A Modification Recommended N9915A-02 FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. 2013.04.11
N9915A Modification Recommended N9915A-03 FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2013.08.01
N9915A Information Only N9915A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9915A Modification Recommended N9915A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9915A Modification Recommended N9915A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9915A Modification Recommended N9915A-07 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9915B Modification Recommended N9915B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9916A Modification Recommended N9916A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9916A Modification Recommended N9916A-03A FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2014.05.14
N9916A Information Only N9916A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9916A Modification Recommended N9916A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9916A Modification Recommended N9916A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9916B Modification Recommended N9916B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9917A Modification Recommended N9917A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9917A Modification Recommended N9917A-02 FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. 2013.04.11
N9917A Modification Recommended N9917A-03A FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2014.05.14
N9917A Information Only N9917A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9917A Modification Recommended N9917A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9917A Modification Recommended N9917A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9917A Modification Recommended N9917A-07 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9917B Modification Recommended N9917B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9918A Modification Recommended N9918A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9918A Modification Recommended N9918A-02 FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. 2013.04.11
N9918A Modification Recommended N9918A-03 FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2013.08.01
N9918A Information Only N9918A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9918A Modification Recommended N9918A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9918A Modification Recommended N9918A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9918B Modification Recommended N9918B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9923A Modification Recommended N9923A-01A A potential reliability problem with the System Board has been identified. After an indefinite time of use, the instrument may exhibit an ADC Overload Error. 2012.11.19
N9923A Modification Recommended N9923A-02 FieldFox N9923A firmware versions earlier than A.05.34 may cause the battery to charge incorrectly. 2011.08.16
N9923A Information Only N9923A-03 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9923A Modification Recommended N9923A-05A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9923A Modification Recommended N9923A-06 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9923A Modification Recommended N9923A-07 The Fieldfox unit might not boot up properly after insert battery and connect to AC/DC power adapter. 2020.09.10
N9925A Information Only N9925A-01 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9925A Modification Recommended N9925A-03A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9925A Modification Recommended N9925A-03B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9926A Information Only N9926A-01 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9926A Modification Recommended N9926A-03A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9926A Modification Recommended N9926A-03B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9927A Information Only N9927A-01 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9927A Modification Recommended N9927A-03A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9928A Information Only N9928A-01 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9928A Modification Recommended N9928A-03A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9928A Modification Recommended N9928A-03B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9933B Modification Recommended N9933B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9934B Modification Recommended N9934B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9935A Modification Recommended N9935A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9935A Modification Recommended N9935A-02 FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. 2013.04.11
N9935A Modification Recommended N9935A-03 FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2013.08.01
N9935A Information Only N9935A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9935A Modification Recommended N9935A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9935A Modification Recommended N9935A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9935B Modification Recommended N9935B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9936A Modification Recommended N9936A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9936A Modification Recommended N9936A-02 FieldFox instruments with the serial numbers listed on the following page may generate potential DANL failure due to different inductor being placed. A new RF board is required if DANL improvement is necessary. 2013.04.11
N9936A Modification Recommended N9936A-03A FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2014.05.14
N9936A Information Only N9936A-04 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9936A Modification Recommended N9936A-06A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9936A Modification Recommended N9936A-06B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9936A Modification Recommended N9936A-07 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9936B Modification Recommended N9936B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9937A Modification Recommended N9937A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9937A Modification Recommended N9937A-02 FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2013.08.01
N9937A Information Only N9937A-03 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9937A Modification Recommended N9937A-05A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9937A Modification Recommended N9937A-05B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9937B Modification Recommended N9937B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9938A Modification Recommended N9938A-01 FieldFox instruments with the serial numbers listed on the following page are being returned to Agilent factory so the RF board can be upgraded for reliability enhancement, due to possible oscillation by the voltage regulator on the RF board. 2013.03.20
N9938A Modification Recommended N9938A-02 FieldFox instruments with the following error message “Burst Trigger Alignment Failure, …..” requires a new RF board for replacement. This only applies to SA mode. 2013.08.01
N9938A Information Only N9938A-03 This Service Note describes the upgrade procedure for the Fieldfox’s processor and system boards. 2016.07.12
N9938A Modification Recommended N9938A-05A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9938A Modification Recommended N9938A-05B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2023.06.29
N9938B Modification Recommended N9938B-01 The battery may go into Sleep mode after a short period of inactivity. Refer to www.keysight.com and the Contact Keysight link. 2020.06.23
N9950A Modification Recommended N9950A-01A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9951A Modification Recommended N9951A-01A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9952A Modification Recommended N9952A-01B The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.15
N9960A Modification Recommended N9960A-01A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9961A Modification Recommended N9961A-01A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N9962A Modification Recommended N9962A-01A The internal Main Memory (SD) card can fail. Refer to www.keysight.com and the Contact Keysight link. 2020.07.13
N69172A Modification Recommended N69172A-01 Incorrect label of “Float Voltage Rating”. 2023.07.16
NCM346A Modification Recommended NCM346A-01A-RECALL NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. 2010.12.20
NCM346B Modification Recommended NCM346B-01A-RECALL NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. 2010.12.20
NCMC346A Modification Recommended NCMC346A-01A-RECALL NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. 2010.12.20
NCMC346B Modification Recommended NCMC346B-01A-RECALL NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. 2010.12.20
NCMC346D Modification Recommended NCMC346D-01A-RECALL NFA Series Noise Figure Analyzer based noise source calibration systems calibrated by Agilent Technologies between May 1, 2009 and November 08, 2010, are not able to provide consistent Excessive Noise Ratio results when testing NoiseCom noise sources at frequencies ≤1 GHz. 2010.12.20
P5000A Information Only P5000A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5000A Information Only P5000A-04 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5000A Modification Recommended P5000A-05 Potential lifted front panel overlay 2023.08.14
P5000B Modification Recommended P5000B-02 Potential lifted front panel overlay 2023.08.14
P5001A Information Only P5001A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5001A Information Only P5001A-04 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5001A Modification Recommended P5001A-05 Potential lifted front panel overlay 2023.08.14
P5001B Modification Recommended P5001B-02 Potential lifted front panel overlay 2023.08.14
P5002A Information Only P5002A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5002A Information Only P5002A-04 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5002A Modification Recommended P5002A-05 Potential lifted front panel overlay 2023.08.14
P5002B Modification Recommended P5002B-02 Potential lifted front panel overlay 2023.08.14
P5003A Information Only P5003A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5003A Information Only P5003A-04 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5003A Modification Recommended P5003A-05 Potential lifted front panel overlay 2023.08.14
P5003B Modification Recommended P5003B-02 Potential lifted front panel overlay 2023.08.14
P5004A Information Only P5004A-03 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5004A Information Only P5004A-04 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5004A Modification Recommended P5004A-05 Potential lifted front panel overlay 2023.08.14
P5004B Modification Recommended P5004B-01 Potential lifted front panel overlay 2023.08.14
P5005A Information Only P5005A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5005A Information Only P5005A-03 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5005A Modification Recommended P5005A-04 Potential lifted front panel overlay 2023.08.14
P5005B Modification Recommended P5005B-03 Potential lifted front panel overlay 2023.08.14
P5006A Information Only P5006A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5006A Information Only P5006A-03 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5006A Modification Recommended P5006A-04 Potential lifted front panel overlay 2023.08.14
P5006B Modification Recommended P5006B-03 Potential lifted front panel overlay 2023.08.14
P5007A Information Only P5007A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5007A Information Only P5007A-03 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5007A Modification Recommended P5007A-04 Potential lifted front panel overlay 2023.08.14
P5007B Modification Recommended P5007B-02 Potential lifted front panel overlay 2023.08.14
P5008A Information Only P5008A-02 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5008A Information Only P5008A-03 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5008A Modification Recommended P5008A-04 Potential lifted front panel overlay 2023.08.14
P5008B Modification Recommended P5008B-01 Potential lifted front panel overlay 2023.08.14
P5020A Safety P5020A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5020A Information Only P5020A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5020A Information Only P5020A-05 Firmware update requirement to A.15.60.08 or newer for P5020A with MY582, SG582 serial prefix. 2022.04.04
P5020A Information Only P5020A-05A Firmware update requirement to A.15.60.08 or newer for P5020A with MY582, SG582 serial prefix. 2022.12.01
P5020A Information Only P5020A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5021A Safety P5021A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5021A Information Only P5021A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5021A Information Only P5021A-05 Firmware update requirement to A.15.60.08 or newer for P5021A with MY582, SG582 serial prefix. 2022.04.04
P5021A Information Only P5021A-05A Firmware update requirement to A.15.60.08 or newer for P5021A with MY582, SG582 serial prefix. 2022.12.01
P5021A Information Only P5021A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5022A Safety P5022A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5022A Information Only P5022A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5022A Information Only P5022A-05 Firmware update requirement to A.15.60.08 or newer for P5022A with MY582, SG582 serial prefix. 2022.04.04
P5022A Information Only P5022A-05A Firmware update requirement to A.15.60.08 or newer for P5022A with MY582, SG582 serial prefix. 2022.12.01
P5022A Information Only P5022A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5023A Safety P5023A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5023A Information Only P5023A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5023A Information Only P5023A-05 Firmware update requirement to A.15.60.08 or newer for P5023A with MY582, SG582 serial prefix. 2022.04.04
P5023A Information Only P5023A-05A Firmware update requirement to A.15.60.08 or newer for P5023A with MY582, SG582 serial prefix. 2022.12.01
P5023A Information Only P5023A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5024A Safety P5024A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5024A Information Only P5024A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5024A Information Only P5024A-05 Firmware update requirement to A.15.60.08 or newer for P5024A with MY582, SG582 serial prefix. 2022.04.04
P5024A Information Only P5024A-05A Firmware update requirement to A.15.60.08 or newer for P5024A with MY582, SG582 serial prefix. 2022.12.01
P5024A Information Only P5024A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5025A Safety P5025A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5025A Information Only P5025A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5025A Information Only P5025A-05 Firmware update requirement to A.15.60.08 or newer for P5025A with MY582, SG582 serial prefix. 2022.04.04
P5025A Information Only P5025A-05A Firmware update requirement to A.15.60.08 or newer for P5025A with MY582, SG582 serial prefix. 2022.12.01
P5025A Information Only P5025A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5026A Safety P5026A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5026A Information Only P5026A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5026A Information Only P5026A-05 Firmware update requirement to A.15.60.08 or newer for P5026A with MY582, SG582 serial prefix. 2022.04.04
P5026A Information Only P5026A-05A Firmware update requirement to A.15.60.08 or newer for P5026A with MY582, SG582 serial prefix. 2022.12.01
P5026A Information Only P5026A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5027A Safety P5027A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5027A Information Only P5027A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5027A Information Only P5027A-05 Firmware update requirement to A.15.60.08 or newer for P5027A with MY582, SG582 serial prefix. 2022.04.04
P5027A Information Only P5027A-05A Firmware update requirement to A.15.60.08 or newer for P5027A with MY582, SG582 serial prefix. 2022.12.01
P5027A Information Only P5027A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P5028A Safety P5028A-03B-S Potential presence of high temperature on front panel & chassis. Earlier versions of firmware have potential risk of overheating, due to thermal fan control malfunction. As a result, user may experience first degree epidermis burns on hand/ finger if in contact with the front panel & chassis. 2022.05.27
P5028A Information Only P5028A-04 False alarm on self-test failure on firmware revision of A.13.40.02 - DDR3 memory removal 2022.02.09
P5028A Information Only P5028A-05 Firmware update requirement to A.15.60.08 or newer for P5028A with MY582, SG582 serial prefix. 2022.04.04
P5028A Information Only P5028A-05A Firmware update requirement to A.15.60.08 or newer for P5028A with MY582, SG582 serial prefix. 2022.12.01
P5028A Information Only P5028A-06 How to handle optional licenses which customers purchased in return to factory (RTF) process. 2023.03.30
P9001A Modification Recommended P9001A-01 Industrial PC requires SATA power conversion cable to replace 2014.03.14
P9001A Modification Recommended P9001A-02 Industrial PC requires SATA digital cable and DVI extension cable to replace 2014.03.14
P9001A Modification Recommended P9001A-03 E4980A cannot power on due to PSU malfunction 2019.04.03
P9370A Information Only P9370A-03 Firmware update requirement to A.15.75.22 or newer for P9370A with MY573, SG573 serial prefix. 2022.09.12
P9370B Modification Recommended P9370B-02 Potential lifted front panel overlay 2023.08.14
P9371A Information Only P9371A-03 Firmware update requirement to A.15.75.22 or newer for P9371A with MY573, SG573 serial prefix. 2022.09.12
P9371B Modification Recommended P9371B-02 Potential lifted front panel overlay 2023.08.14
P9372A Information Only P9372A-03 Firmware update requirement to A.15.75.22 or newer for P9372A with MY573, SG573 serial prefix. 2022.09.12
P9372B Modification Recommended P9372B-02 Potential lifted front panel overlay 2023.08.14
P9373A Information Only P9373A-03 Firmware update requirement to A.15.75.22 or newer for P9373A with MY573, SG573 serial prefix. 2022.09.12
P9373B Modification Recommended P9373B-02 Potential lifted front panel overlay 2023.08.14
P9374A Information Only P9374A-03 Firmware update requirement to A.15.75.22 or newer for P9374A with MY573, SG573 serial prefix. 2022.09.12
P9374B Modification Recommended P9374B-01 Potential lifted front panel overlay 2023.08.14
P9375A Information Only P9375A-02 Firmware update requirement to A.15.75.22 or newer for P9375A with MY573, SG573 serial prefix. 2022.09.12
P9375B Modification Recommended P9375B-02 Potential lifted front panel overlay 2023.08.14
P9377B Modification Recommended P9377B-02 Potential lifted front panel overlay 2023.08.14
PV8931A Safety PV8931A-02A-S A Fire hazard that would not be contained by the equipment enclosure related to a fault in the output board. 2024.05.31
Q347B Modification Recommended Q347B-02A Repair strategy change for R347B Noise source 2019.03.10
Q3000A Information Only Q3000A-01 Keysight CCL License patch update version 5.5.1 release 2023.05.10
R347B Modification Recommended R347B-02A Repair strategy change for R347B Noise source 2019.04.10
R8486A Information Only R8486A-01 MP10 through MP22 English to Metric screw change 1998.03.02
R8486D Information Only R8486D-01 MP10 through MP22 English to Metric screw change 1998.03.02
RP7972A Modification Recommended RP7972A-01 Incorrect label of “Float Voltage Rating”. 2023.07.16
RP7982A Modification Recommended RP7982A-01 Incorrect label of “Float Voltage Rating”. 2023.07.16
RP7984A Safety RP7984A-01A-S A Fire hazard that would not be contained by the equipment enclosure related to a fault in the output board. 2024.05.31
S9130A Modification Recommended S9130A-01 Some S9130A need to be returned to Keysight for modification and recalibration to enhance performance and improve reliability. 2021.03.16
SL1047A Modification Recommended SL1047A-01 Sealing of coolant circuit in cooling module (SL1048A-CU1) is not confirmed to be resistant to cooling liquid. 2022.03.17
SL1047A Safety SL1047A-02-S Inserting a separately sold Plug-in Adapter CEE-Inlet, PN: A06-100015954 (Option Number: SL1040A-107 or SL1049A-107) will potentially expose the user to live parts in the system. 2022.08.03
SL1710A Modification Recommended SL1710A-02 Sporadically tripping of the 24V DC power supply's fault contact. System reports error which can be reset till next occurrence. 2024.10.09
SL1710A Modification Recommended SL1710A-02A Sporadically tripping of the 24V DC power supply's fault contact. System reports error which can be reset till next occurrence. 2024.10.14
SL1720A Modification Recommended SL1720A-02 Sporadically tripping of the 24V DC power supply's fault contact. System reports error which can be reset till next occurrence. 2024.10.14
SL1740A Modification Recommended SL1740A-03 Sporadically tripping of the 24V DC power supply's fault contact. System reports error which can be reset till next occurrence. 2024.10.09
SL1740A Modification Recommended SL1740A-03A Sporadically tripping of the 24V DC power supply's fault contact. System reports error which can be reset till next occurrence. 2024.10.14
SR101EDUA Information Only SR101EDUA-01 SR101EDUA Digital Learning Suite application is unable to start after re-booting its pre-configured virtual machine. 2023.12.03
T1250A Modification Recommended T1250A-01 T1250A amplifier issue, firmware fix 2013.10.28
T1250A Modification Recommended T1250A-02 Low frequency spurious generated by Power Supply Unit; removed with proper filtering and grounding of power lines. 2016.03.14
T1250A Modification Recommended T1250A-03 A radiofrequency performance issue was found. The T4010S test system (this is the RF switch for T4010S) RF paths compensation routines directly tied to the YIG filter performance (CAL001 for RFSC YIG filter, CAL002 for RFSD YIG filter) showed unexpected RF losses. Typically, the mentioned RF path compensation scripts fail due to excessive RF losses. 2016.04.18
T1250A Modification Recommended T1250A-04 Power on issues (unit unable to power on, or many attempts to power on needed to switch on the unit) and sudden switch off issues were found on this model. Internal control cables, and DC power cables, supplier changed, due to this quality issue. 2016.04.18
T1255A Modification Recommended T1255A-01 Internal RF switch (model: N1810TL) unable to switch. User calibration fails. 2017.09.20
T2010A Modification Recommended T2010A-01 The embedded PC was modified to improve boot up reliability. 2016.01.28
U1177A Information Only U1177A-01 Black overlay on IR port to improve connectivity signal 2013.04.02
U1180A Modification Recommended U1180A-01 U1180A thermocouple adapter and lead set could have a faulty temperature probe adapter. 2020.06.28
U1181A Modification Recommended U1181A-01 U1181A immersion temperature probe could have a faulty temperature probe adapter. 2020.06.28
U1182A Modification Recommended U1182A-01 U1182A industrial surface temperature probe could have a faulty temperature probe adapter. 2020.06.28
U1183A Modification Recommended U1183A-01 U1183A air temperature probe could have a faulty temperature probe adapter. 2020.06.28
U1184A Modification Recommended U1184A-01 Faulty temperature probe adapter will cause meter to show “OL” when plugged into the input jacks of a handheld meter. 2020.07.01
U1185A Modification Recommended U1185A-01 U1185A J-type thermocouple and temperature probe adapter set could have a faulty temperature probe adapter. 2020.06.28
U1186A Modification Recommended U1186A-01 U1186A K-type thermocouple and temperature probe adapter set could have a faulty temperature probe adapter. 2020.06.28
U1211A Modification Recommended U1211A-01 U1211A unit missing calibration traceability 2013.11.05
U1212A Modification Recommended U1212A-01 U1212A unit missing calibration traceability 2013.11.05
U1213A Modification Recommended U1213A-01 U1213A unit missing calibration traceability 2013.11.05
U1231A Modification Recommended U1231A-01 U1230 series Handheld Digit Multimeters fail to establish wireless connection with U1177A (IR to Bluetooth Adapter) 2013.09.02
U1232A Modification Recommended U1232A-01 U1230 series Handheld Digit Multimeters fail to establish wireless connection with U1177A (IR to Bluetooth Adapter) 2013.09.02
U1233A Modification Recommended U1233A-01 U1230 series Handheld Digit Multimeters fail to establish wireless connection with U1177A (IR to Bluetooth Adapter) 2013.09.02
U1241A Information Only U1241A-01A U1241A Measurement Category upgrade to CAT IV 600V 2009.06.11
U1241A Information Only U1241A-04 U1241A (Blue series) unit exchange will be replaced by U1241B (Orange series) if U1241A runs out of inventory. 2013.02.01
U1241A Modification Recommended U1241A-05 U1241A unit missing calibration traceability 2013.11.05
U1241B Information Only U1241B-02 Changes on display backlight color 2022.06.29
U1242A Information Only U1242A-01B U1242A Measurement Category upgrade to CAT IV 600V 2009.06.11
U1242B Information Only U1242B-02 Changes on display backlight color 2022.06.29
U1251A Information Only U1251A-01A U1251A Measurement Category upgrade to CAT IV 600V 2009.06.10
U1251A Information Only U1251A-02 Performance Verification Test Points Update at User’s and Service Guide 2011.01.14
U1251A Information Only U1251A-04 U1251A (Blue series) unit exchange will be replaced by U1251B (Orange series) if U1251A runs out of inventory. 2013.02.01
U1251A Modification Recommended U1251A-05 A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. 2013.11.05
U1251B Information Only U1251B-02 Performance Verification Test Points Update at User’s and Service Guide 2011.01.14
U1251B Modification Recommended U1251B-04 A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. 2013.11.05
U1251B Modification Recommended U1251B-05 Incorrect DC Voltage values displayed with Filter switched off when measuring mixed (AC+DC) signal source 2013.12.02
U1251B Modification Recommended U1251B-06 Capacitance measurement may be out of specification at 100nF range and below 2016.04.24
U1251B Information Only U1251B-08 Changes on display backlight color 2022.06.29
U1252A Information Only U1252A-01A U1252A Measurement Category upgrade to CAT IV 600V 2009.06.11
U1252A Information Only U1252A-03 Performance Verification Test Points Update at User’s and Service Guide 2011.01.14
U1252A Information Only U1252A-05 U1252A (Blue series) unit exchange will be replaced by U1252B (Orange series) if U1252A runs out of inventory. 2013.02.01
U1252A Modification Recommended U1252A-06 A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. 2013.11.05
U1252A Modification Recommended U1252A-07 Capacitance measurement may be out of specification at 100nF range and below 2016.04.24
U1252B Information Only U1252B-02 Performance Verification Test Points Update at User’s and Service Guide 2011.01.14
U1252B Modification Recommended U1252B-04 A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. 2013.11.05
U1252B Modification Recommended U1252B-05 Incorrect DC Voltage values displayed with Filter switched off when measuring mixed (AC+DC) signal source 2013.12.02
U1252B Modification Recommended U1252B-06 apacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1252B Modification Recommended U1252B-08A Incorrect readings or error code displayed during Radiated Immunity test 2017.02.12
U1252B Modification Recommended U1252B-09A Incorrect current offset reading (~0.35mA) when knob is set to mA/A current range. 2019.09.23
U1252B Information Only U1252B-10 Changes on display backlight color 2022.06.29
U1253A Information Only U1253A-02 U1253A Measurement Category upgrade to CAT IV 600V 2009.06.11
U1253A Information Only U1253A-03 Performance Verification Test Points Update at User’s and Service Guide 2011.01.14
U1253A Information Only U1253A-05 Replace an EEPROM data representing the “battery charging time” due to incorrect data written previously. 2011.12.02
U1253A Information Only U1253A-06 U1253A (Blue series) unit exchange will be replaced by U1253B (Orange series) if U1253A runs out of inventory. 2013.02.01
U1253A Modification Recommended U1253A-07 A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. 2013.11.05
U1253B Information Only U1253B-02 Performance Verification Test Points Update at User’s and Service Guide 2011.01.14
U1253B Information Only U1253B-04 Replace an EEPROM data representing the “battery charging time” due to incorrect data written previously. 2011.12.02
U1253B Modification Available U1253B-05 Battery life after first full charge 2012.10.24
U1253B Modification Recommended U1253B-06 A-ERR error intermittently displayed when turn on in Resistance or Diode mode without any test lead connected to the terminal. 2013.11.05
U1253B Modification Recommended U1253B-07 Incorrect DC Voltage values displayed with Filter switched off when measuring mixed (AC+DC) signal source 2013.12.02
U1253B Modification Recommended U1253B-08 Capacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1253B Information Only U1253B-11 Changes on display backlight color 2022.06.29
U1271A Safety U1271A-02F-S Incorrect reading displayed after rapid turning of the rotary switch 2013.11.19
U1271A Safety U1271A-03-S Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source 2013.11.05
U1271A Modification Recommended U1271A-04 Capacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1271A Safety U1271A-05-S Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. 2016.04.26
U1271A Modification Recommended U1271A-07A Interference observed in the DC current measurement below 80MHz environment 2017.02.12
U1271A Modification Recommended U1271A-08 Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). 2020.06.29
U1272A Safety U1272A-02F-S Incorrect reading displayed after rapid turning of the rotary switch 2013.11.19
U1272A Safety U1272A-03-S Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source 2013.11.05
U1272A Modification Recommended U1272A-04 Capacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1272A Safety U1272A-05-S Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. 2016.04.26
U1272A Modification Recommended U1272A-07A Interference observed in the DC current measurement below 80MHz environment 2017.02.12
U1272A Modification Recommended U1272A-08 Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). 2020.06.29
U1273A Safety U1273A-01-S Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source 2013.11.05
U1273A Modification Recommended U1273A-02 Capacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1273A Safety U1273A-03-S Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. 2016.04.26
U1273A Modification Recommended U1273A-05A Interference observed in the DC current measurement below 80MHz environment 2017.02.12
U1273A Modification Recommended U1273A-07 Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). 2020.06.29
U1273A Modification Available U1273A-08 MY60360009 2021.03.14
U1273AX Safety U1273AX-01-S Incorrect DC Voltage values displayed at DC measurement mode when measuring mixed (AC+DC) signal source 2013.11.05
U1273AX Modification Recommended U1273AX-02 Capacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1273AX Safety U1273AX-03-S Potential incorrect reading displayed by U1271A, U1272A, U1273A and U1273AX may lead to electrical shock hazard to users. 2016.04.26
U1273AX Modification Recommended U1273AX-05A Interference observed in the DC current measurement below 80MHz environment 2017.02.12
U1273AX Modification Recommended U1273AX-07 Handheld DMM with specific serial numbers could have a faulty temperature probe adapter (U1184A). 2020.06.29
U1273AX Modification Available U1273AX-08 Digital multimeter with firmware version 3.01 or 4.0 will show incorrect DCI measurement value when using the average measurement mode. 2021.03.14
U1281A Modification Recommended U1281A-01 Capacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1281A Modification Recommended U1281A-02A Interference observed in the DC current measurement below 80MHz environment 2017.02.12
U1282A Modification Recommended U1282A-01 Capacitance measurement may be out of specification at 100nF range and below. 2016.04.24
U1282A Modification Recommended U1282A-02A Interference observed in the DC current measurement below 80MHz environment 2017.02.12
U1401B Modification Recommended U1401B-02A Constant current output may be out of specification 2015.03.15
U1461A Modification Recommended U1461A-01 Handheld insulation meter with specific serial numbers could have a faulty temperature probe adapter (U1184A). 2020.06.29
U1560A Information Only U1560A-01 The immediate replacement for U1560A. 2021.11.30
U1561A Information Only U1561A-01 The immediate replacement for U1561A. 2021.11.30
U1562A Information Only U1562A-01 The immediate replacement for U1562A. 2021.11.30
U1583B Information Only U1583B-01 U1583B now offers Certificate of Calibration (CoC) 2021.12.14
U1586B Information Only U1586B-01 U1586B now offers Certificate of Calibration (CoC) 2021.12.14
U1602A Modification Available U1602A-01C Firmware Upgrade (Version 2.5.9): Performance Enhancement 2007.11.26
U1602A Information Only U1602A-02 Replacing the memory backup battery when the instrument shows hexadecimal characters on its date/time display 2009.01.21
U1602A Modification Recommended U1602A-03 BNC cable cannot secure oscilloscope input channel 2010.09.26
U1602B Modification Recommended U1602B-01 BNC cable cannot secure oscilloscope input channel 2010.09.26
U1602B Modification Available U1602B-03 Firmware upgrade to resolve wrong vertical scale displays after autoscaling 2012.10.24
U1604A Modification Available U1604A-01C Firmware Upgrade (Version 2.5.7): Enchancements and Fixes 2007.08.06
U1604A Information Only U1604A-02 Replacing the memory backup battery when the instrument shows hexadecimal characters on its date/time display 2009.01.21
U1604A Modification Recommended U1604A-03 BNC cable cannot secure oscilloscope input channel 2010.09.26
U1604B Modification Recommended U1604B-01 BNC cable cannot secure oscilloscope input channel 2010.09.26
U1604B Modification Available U1604B-03 Firmware upgrade to resolve wrong vertical scale displays after autoscaling 2012.10.24
U1610A Information Only U1610A-01 Power off sequence enhancement. 2012.10.15
U1620A Information Only U1620A-01 Power off sequence enhancement. 2012.10.15
U1701B Information Only U1701B-01 Accuracy specification for 1000pF is now typical. 2022.02.01
U1731C Modification Recommended U1731C-01 Units may show out-of-specification issues in specific measurements and parameters. 2023.09.13
U1732C Modification Recommended U1732C-01 Units may show out-of-specification issues in specific measurements and parameters. 2023.09.13
U1733C Modification Available U1733C-01 LCR meter with firmware rev 3.06 shows incorrect resistance value when measuring below 7Megohm on 20Megohm range. 2020.06.28
U1733C Modification Recommended U1733C-02 Units may show out-of-specification issues in specific measurements and parameters. 2023.09.13
U2000A Modification Available U2000A-02A USB Sensor Range 2011.06.01
U2000A Modification Recommended U2000A-03 Difficulty to attach USB power sensor cable to power sensor unit. 2008.03.20
U2000A Information Only U2000A-04C USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2011.12.05
U2000A Information Only U2000A-05 Patch for Power Measurement Error after Performing Internal Zeroing 2008.07.30
U2000B Modification Recommended U2000B-01 USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2010.10.04
U2000H Modification Recommended U2000H-01 USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2010.10.04
U2001A Modification Available U2001A-02A USB Sensor Range 2011.06.01
U2001A Modification Recommended U2001A-03 Difficulty to attach USB power sensor cable to power sensor unit. 2008.03.20
U2001A Information Only U2001A-04C USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2011.12.05
U2001A Information Only U2001A-05 Patch for Power Measurement Error after Performing Internal Zeroing 2008.07.30
U2001B Modification Recommended U2001B-01 USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2010.10.04
U2001H Modification Recommended U2001H-01 USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2010.10.04
U2002A Modification Available U2002A-02A USB Sensor Range 2011.06.01
U2002A Modification Recommended U2002A-03 Difficulty to attach USB power sensor cable to power sensor unit. 2008.03.20
U2002A Information Only U2002A-04C USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2011.12.05
U2002A Information Only U2002A-05 Patch for Power Measurement Error after Performing Internal Zeroing 2008.07.30
U2002H Modification Recommended U2002H-01 USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2010.10.04
U2004A Modification Available U2004A-02A USB Sensor Range 2011.06.01
U2004A Modification Recommended U2004A-03 Difficulty to attach USB power sensor cable to power sensor unit. 2008.03.20
U2004A Information Only U2004A-04C USB sensor returns incorrect power reading when offset is introduced programmatically with the measurement unit is in Watt. The impacted firmware revision is A1.01.01. 2011.12.05
U2004A Information Only U2004A-05 Patch for Power Measurement Error after Performing Internal Zeroing 2008.07.30
U2022XA Information Only U2022XA-01 Missing option number on the serial number label 2018.03.13
U3401A Modification Recommended U3401A-01 Resistance measurement out-of-specification at 500 Ohm range 2012.12.06
U3402A Safety U3402A-01-S U3402A displaying intermittent reading when is subjected with over range voltage. 2012.04.09
U3606A Information Only U3606A-01 Self-test error “631” may appear on U3606A when unit is powered ON for the first time 2013.04.08
U3606A Modification Recommended U3606A-02 U3606A unit missing calibration traceability 2013.11.05
U3606A Information Only U3606A-03 U3606A(U3606-66001) will be replaced by U3606B(U3606-66003) 2016.12.14
U3606B Modification Recommended U3606B-01 U3606B unit missing calibration traceability 2013.11.05
U3800A Information Only U3800A-01 “pip” command not found 2018.11.29
U3800A Modification Recommended U3800A-02 USB connector may lift off with cable insertion/removal 2019.08.28
U3810A Information Only U3810A-01 U3810A must be separated from the controller module before servicing 2020.06.17
U3811A Information Only U3811A-01 U3811A must be separated from the U3810A before servicing 2020.06.17
U4998A Modification Available U4998A-01 Trawler/Greyhound BMC Programming 2011.07.18
U5532C Information Only U5532C-01 Sensor Modules shipped prior to July 2020 are eligible for a firmware upgrade to allow calibration correction data to be stored inside the sensor module. 2021.03.15
U7179 Modification Recommended U7179-81000-01 Wrong hardware ID detection on U7179A load card by System Configuration Editor (SCE) software when there are 10 or more cards in the E6198B SLU and it happens only on the left most slot of U7179A card 2023.09.07
U7179 Modification Recommended U7179-81000-01A Wrong hardware ID detection on U7179A load card by System Configuration Editor (SCE) software when there are 10 or more cards in the E6198B SLU and it happens only on the left most slot of U7179A card. 2024.01.30
U8032A Modification Recommended U8032A-01 U8032A’s Voltage Programming Speed drifts out of warranted specification within the product’s calibration period 2012.06.27
U8481A Modification Recommended U8481A-01 0.6dB offset on power measurement 2019.12.05
U8485A Modification Recommended U8485A-01 0.6dB offset on power measurement 2019.12.05
U8487A Modification Recommended U8487A-01 6dB offset on power measurement 2019.12.05
U8488A Modification Recommended U8488A-01 0.6dB offset on power measurement 2019.12.05
U8489A Modification Recommended U8489A-01A U8489A Power Sensor was incorrectly calibrated 2018.07.18
U8903A Modification Available U8903A-01 EMI shield soldering improvement 2011.03.28
U8903A Information Only U8903A-02 Rear panel mechanical part change 2011.09.23
U8903A Information Only U8903A-03 Instrument boot up hangs after firmware upgrade from version 2.2.8.0 2011.09.23
U8903A Modification Available U8903A-04 Improve the BNC Connector’s tightness at U8903A front panel 2011.10.23
U8903A Information Only U8903A-06A Inaccurate Measurement Reading after Preset 2012.04.11
U8903A Information Only U8903A-08 USB Flash Storage Device Removal from U8903A 2012.05.14
U8903A Information Only U8903A-09 HP8903B Mode Disable at Default Setting 2012.07.13
U8903A Modification Available U8903A-10 Resolving unit hang during boot/start-up sequence 2013.09.30
U8903B Modification Recommended U8903B-01 Analog Analyzer not able to perform measurement or providing incorrect measurement 2017.07.05
U8971A Information Only U8971A-01 Color change for casing of power distribution unit, E1135-80050 from pewter grey color to graphite grey color. 2012.01.13
U8972A Modification Recommended U7179A-81000-01B Wrong hardware ID detection on U7179A load card by System Configuration Editor (SCE) software when there are 10 or more cards in the E6198B SLU and it happens only on the left most slot of U7179A card. 2024.02.27
U9401B Modification Recommended U9401B-01 Current Digital card firmware version 06 does not support i2C/SPI “Read to File” function. 2014.03.03
U9401B Information Only U9401B-02 Agilent Technologies has identified a potential pinch hazard that may cause severe injury to operators of Agilent Technologies i3070 and i1000 In-Circuit Test Systems fixtures. To help customers protect the safety of their employees, we are notifying you of fixture safety considerations. 2014.05.21
U9403A Information Only U9403A-01 The controller’s serial ports are not supported in Mini ICT system (U9403A) 2022.06.30
U9405A Modification Recommended U9405A-01 Change in Fixture position sensor and brackets to prevent cable damages. 2014.02.20
U9405A Modification Recommended U9405A-02 Current Digital card firmware version 06 does not support i2C/SPI “Read to File” function. 2014.03.03
U9405A Information Only U9405A-03 Agilent Technologies has identified a potential pinch hazard that may cause severe injury to operators of Agilent Technologies i3070 and i1000 In-Circuit Test Systems fixtures. To help customers protect the safety of their employees, we are notifying you of fixture safety considerations. 2014.05.21
U9405A Information Only U9405A-04 SMEMA OK_NG+/- signals does not match to pin out stated in IPC SMEMA 9851 2019.09.16
U9405A Modification Recommended U9405A-05 i1000 software cannot detect Fixture Control Board sensors states 2021.08.12
U9405A Information Only U9405A-06 Top rail bumper block(U9405-30302) causing delays on conveyor movements. 2024.05.20
U9405B Information Only U9405B-01 SMEMA OK_NG+/- signals does not match to pin out stated in IPC SMEMA 9851 2019.09.25
U9405B Modification Recommended U9405B-02 Handler Control Panel cannot detect Fixture Control Board sensors states 2021.08.12
U9405B Information Only U9405B-03 Top rail bumper block (U9405-30302) causing delays on conveyor movements. 2024.05.20
UXR0104B Modification Recommended UXR0104B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0134A Modification Recommended UXR0134A-02 acquisition board has cracks with the P2000 connector that mates to the channel module. 2019.08.05
UXR0134A Modification Recommended UXR0134A-03 some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. 2019.07.29
UXR0164A Modification Recommended UXR0164A-02 acquisition board has cracks with the P2000 connector that mates to the channel module. 2019.08.05
UXR0164B Modification Recommended UXR0164B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0204A Modification Recommended UXR0204A-02 acquisition board has cracks with the P2000 connector that mates to the channel module 2019.08.05
UXR0204A Modification Recommended UXR0204A-03 some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration 2019.07.30
UXR0204B Modification Recommended UXR0204B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0254A Modification Recommended UXR0254A-02 acquisition board has cracks with the P2000 connector that mates to the channel module 2019.08.05
UXR0254B Modification Recommended UXR0254B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0334A Modification Recommended UXR0334A-02 acquisition board has cracks with the P2000 connector that mates to the channel module 2019.08.05
UXR0334A Modification Recommended UXR0334A-03 some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. 2019.07.30
UXR0334B Modification Recommended UXR0334B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0402A Modification Recommended UXR0402A-01 acquisition board has cracks with the P2000 connector that mates to the channel module. 2019.07.29
UXR0402A Modification Recommended UXR0402A-02 some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. 2019.07.29
UXR0404B Modification Recommended UXR0404B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0504B Modification Recommended UXR0504B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0594AP Modification Recommended UXR0594AP-01 some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. 2019.07.29
UXR0594B Modification Recommended UXR0594B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0594BP Modification Recommended UXR0594BP-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0702B Modification Recommended UXR0702B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0704B Modification Recommended UXR0704B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0802A Modification Recommended UXR0802A-01 acquisition board has cracks with the P2000 connector that mates to the channel module. 2019.07.29
UXR0802B Modification Recommended UXR0802B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
UXR0804A Modification Recommended UXR0804A-01 acquisition board has cracks with the P2000 connector that mates to the channel module. 2019.08.05
UXR1002A Modification Recommended UXR1002A-01 acquisition board has cracks with the P2000 connector that mates to the channel module. 2019.07.29
UXR1004A Modification Recommended UXR1004A-01 acquisition board has cracks with the P2000 connector that mates to the channel module. 2019.08.05
UXR1102A Modification Recommended UXR1102A-01 acquisition board has cracks with the P2000 connector that mates to the channel module 2019.07.29
UXR1102A Modification Recommended UXR1102A-02 some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. 2019.07.29
UXR1104A Modification Recommended UXR1104A-01 some early UXR scope shipments if used with the N7024A probe cannot pass probe calibration. 2019.07.29
UXR1104B Modification Recommended UXR1104B-01 The first shipments for UXR B models were shipped with bottom covers that have two anomalies. They were deemed ok to use for shipments, but giving an opportunity it would be best to get them out of circulation when possible. 2023.08.22
W8486A Information Only W8486A-02 Calibration Process Enhancement 2013.06.25
X8721A Modification Recommended X8721A-02 To check on customer’s X8721A firmware and upgrade to version 0.1.0.111.3 and above before performing calibration test procedure 2022.06.07
XA8723A Modification Recommended XA8723A-01 Inconclusive Pass measurement results obtained when configuring a test plan combining Active Scan and Connect Request. 2022.02.16
XA8723A Modification Recommended XA8723A-02 Current verdict priority set in the XA8723A causing NaN (not a number) measurement results to be flagged as ‘Not Set’ instead of ‘Inconclusive’. 2022.02.16
Y1132A Information Only Y1132A-01 New Orbital Sanded Covers for 34980A modules 2022.06.27
Y1155A Modification Recommended Y1155A-01 Solder shorts between terminals on PCA 2019.05.21
Z2030A Information Only Z2030A-03 To verify data in the processor EEPROM is correct 2000.01.18
Z2049A Safety Z2049A-01-S When the door of the fixture closes, the user may be exposed to potential mechanical pinch hazard and could suffer from injuries due to impact from door closing force 2008.10.07
Z4215B Modification Recommended Z4215B-01 Recommend replacement of cables due to improper grounding 2003.04.14
Z4379G Information Only Z4379G-01 Touch-up Cleaning Procedure 2003.05.02
Z5623A Safety Z5623A-K66-01A-S The units with the above serial numbers may have been shipped with an incorrect line module. These units should be checked and the line module replaced, if necessary. 2006.10.20
service_notes/service_note_index1.txt · Last modified: 2024/11/11 01:14 by wschraml

Page Tools