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Chapter 5 Troubleshooting
5-1 INTRODUCTION ·························5-3
5-2 ASSOCIATED INFORMATION IN THIS MANUAL ······5-3
5-3 RECOMMENDED TEST EQUIPMENT ·············5-4
5-4 SYSTEM DOES NOT POWER-UP ················5-4
Line Source and Interface Checks ················5-4
Power Supply Voltages Check ···················5-4
Power Supply Module Check ···················5-6
5-5 SYSTEM DOES NOT BOOT-UP ·················5-7
Boot-up Process Sequence ·····················5-7
Troubleshooting Boot-up Problems ················5-8
Hard Disk Problem 1 ·······················5-8
Hard Disk Problem 2 ·······················5-9
Floppy Disk Problems ·······················5-9
Screen Display Problems·····················5-10
5-6 SYSTEM HAS ERROR CODE ·················5-10
Phase Lock Error Codes (6000 Series)··············5-11
Service Log Snap Shot Data ···················5-12
5-7 SOURCE/TEST SET/RECEIVER ················5-17
Signal Source Phase Lock Loop Assemblies···········5-17
Signal Source/Test Set Module Error Codes···········5-18
Isolation Procedures ·······················5-19
5-8 PERIPHERALS/ INTERFACE ·················5-21
CRT Display Test Failures: ···················5-21
Front Panel Test Failures: ····················5-22
External Keyboard Interface Test Failures:···········5-22
Printer Interface Test Failures: ·················5-22
GPIB Interface Test Failures: ··················5-22
5-9 MEASUREMENT IN QUESTION ···············5-22
Measurement Conditions Check List ··············5-23
Chapter 6 Adjustments
6-1 INTRODUCTION ·························6-3
6-2 LO1 CALIBRATION ························6-3
Calibration Procedure ·······················6-3
Post Calibration Actions······················6-3
373XXA MM v