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Table Of Contents
System Overview......................................................................................... 3
SYSTEM MAINTENANCE OVERVIEW ................................................ 5
Selftest & Calibration .................................................................................. 7
SELFTEST AND CALIBRATION OVERVIEW........................................ 8
Purpose Of Calibration ........................................................... 8
When To Calibrate .................................................................. 8
SELFTEST........................................................................................... 9
Selftest Failure Analysis ......................................................... 14
CALIBRATION ................................................................................. 16
Diagnostics................................................................................................ 19
DIAGNOSTIC TOOLS ..................................................................... 20
SelfTest EXaminer (STEX) for Microsoft Windows 95 ......................... 20
Overview.............................................................................. 20
Creating the Diagnostic File for STEX ..................................... 20
Analyzing Selftest Data .......................................................... 21
TRMAN (Tester Resource Manager) .................................................. 25
Menu Bar ............................................................................. 25
TESTHEAD - PATCHBOARD - UUT P/S BUILT-IN DIAGNOSTICS .... 31
Breakers and Test Points ........................................................ 32
LED Indicators ...................................................................... 32
GPIB/HPIB POWER SUPPLIES ......................................................... 37
Troubleshooting Hewlett-Packard Power Supplies.................. 37
Certification .............................................................................................. 43
CERTIFICATION .............................................................................. 45
Setup.................................................................................... 45
Module Repair & Replacement ................................................................. 49
REPAIR AND REPLACEMENT PROCEDURES ................................... 50
COMPUTER ASSEMBLY ........................................................ 51
INTERNAL AND PATCHBOARD P/S OVERVIEW ............................. 52
TESTHEAD & PATCHBOARD P/S REPLACEMENT ................. 53
+5VDC Testhead Power Supply............................................ 54
UUT POWER SUPPLIES - Description.............................................. 56
UUT POWER SUPPLY CONTROLLER REPLACEMENT .......... 57
UUT POWER SUPPLIES........................................................ 58
GPIB/HPIB POWER SUPPLIES .............................................. 59
UUT - GPIB/HPIB P/S DISCONNECT AT TEST BAY ............... 60
CIRCUIT BOARD REPLACEMENT ................................................... 61