4 Model N6705 Service Guide
Contents
1 - Introduction ............................................................................................................. 5
Returning an Instrument .................................................................. 6
Instrument Identification .................................................................. 6
Firmware Upgrade ............................................................................ 7
2 - Performance Verification ......................................................................................... 9
Verification Description .................................................................. 10
Verification Procedure .................................................................... 13
Test Record Forms ......................................................................... 22
3 - Calibration ............................................................................................................. 43
Calibration Description ................................................................... 44
Calibration Procedure – Models N673xB, N674xB, N677xA ........ 46
Calibration Procedure – Models N675xA ...................................... 49
Calibration Procedure – Models N676xA ...................................... 53
Calibration Procedure – Models N678xA SMU ............................. 62
Calibration Procedure – Models N6783A-BDA and -MFG ........... 76
Change the Admin/Calibration Password ..................................... 80
4 - Disassembly ........................................................................................................... 81
Electrostatic Discharge (ESD) Precautions ................................... 82
Disassembly Procedures ................................................................ 82
5 - Troubleshooting................................................................................................... 105
Preliminary Checkout ................................................................... 106
General Troubleshooting .............................................................. 107
Bias PCA Troubleshooting ............................................................ 112
Backplane PCA Troubleshooting.................................................. 114
Calibration and Passwords ........................................................... 115
Initialization ................................................................................... 115
6 - Replaceable Parts ................................................................................................ 117
Parts List ....................................................................................... 118
Parts Location Diagrams .............................................................. 120
Appendix A - Error Messages ................................................................................... 125
Displaying Error Messages ........................................................... 126
Error List ....................................................................................... 126
Index .......................................................................................................................... 133
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