Fluke PM3082 Service Manual page 9

VIII
8.3 STATIC SENSITIVE COMPONENTS........................................................................................... 8-2
8.4 SOLDERING TECHNIQUES....................................................................................................... 8-3
8.4.1 General soldering techniques....................................................................................... 8-3
8.4.2 Soldering micro-miniature semi-conductors................................................................... 8-3
8.5 REMOVING THE UNITS, MECHANICAL PARTS AND CRT.......................................................8-4
8.5.1 Removing the rotary knobs........................................................................................... 8-4
8.5.2 Detachment of ribbon cables......................................................................................... 8-4
8.5.3 Removal of the units in the front fram e......................................................................... 8-4
8.5.4 Removal of the Power supply unit A 6 ........................................................................... 8-5
8.5.5 Removal of microprocessor unit A3............................................................................... 8-5
8.5.6 Removal of Final XYZ amplifier unit A 2 ......................................................................... 8-6
8.5.7 Removal of unit at socket of C R T ................................................................................. 8-7
8.5.8 Removal of signal unit A 1 ............................................................................................. 8-7
8.5.9 Removal of Cathode Ray Tube (CRT)........................................................................... 8-8
8.6 INSTRUMENT REPACKING....................................................................................................... 8-8
8.7 TROUBLESHOOTING TECHNIQUES......................................................................................... 8-8 -
8.8 TROUBLESHOOTING THE POWER SUPPLY........................................................................... 8-9
8.9 SPECIAL TO OLS........................................................................................................................8-10
8.9.1 Extension board........................................................................................................... 8-10
8.9.2 Flash-ROM loader program......................................................................................... 8-10
8.10 RECALIBRATION AFTER REPAIR........................................................................................... 8-10
8.11 TROUBLE SHOOTING TO O LS................................................................................................ 8-11
8.12 TESTS BUILT INTO THE INSTRUMENT.................................................................................. 8-11
8.12.1 Power-up test............................................................................................................... 8-11
8.12.2 Introduction to diagnostic te s ts ................................................................................... 8-12
8.12.3 Selftest......................................................................................................................... 8-12
8.12.4 Repairtools................................................................................................................. 8-15
8.13 THE AUTOCAL PROCEDURE................................................................................................... 8-19
8.13.1 Introduction................................................................................................................. 8-19
8.13.2 FAULT LOCATION VIA ERROR CODES...................................................................8-20
8.13.3 HOWTO USE THE ERROR CODE LISTS................................................................. 8-20
8.13.4 ERROR CODE LISTS................................................................................................. 8-21
9 SAFETY INSPECTION AND TESTS AFTER REPAIR AND
MAINTENANCE IN THE PRIMARY CIRCUIT............................................................ 9-1
9.1 GENERAL DIRECTIONS............................................................................................................. 9-1
9.2 SAFETY COMPONENTS............................................................................................................. 9-1
9.3 CHECKING PROTECTIVE GROUND......................................................................................... 9-1
9.4 CHECKING INSULATION RESISTANCE.....................................................................................9-1
9.5 CHECKING LEAKAGE CURRENT............................................................................................... 9 -f
9.6 VOLTAGE TEST............................................................................................................................9-1
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