Fluke 8062A - Maintenance

4-1
Chapter 4
Maintenance
Contents Page
4-1. Introduction.................................................................... 4-3
4-2. Service Information........................................................ 4-3
4-3. General Information ....................................................... 4-5
4-4. Handling Precautions for Using Static Sensitive
Devices ...................................................................... 4-5
4-5. Disassembly and Reassembly ..................................... 4-5
4-6. Calibration and Backup Fuse Access ...................... 4-6
4-7. Main PCB Access.................................................... 4-7
4-8. LCD and Microcomputer PCB Disassembly and
Assembly................................................................. 4-8
4-9. Backup Fuse Replacement.......................................... 4-11
4-10. Cleaning...................................................................... 4-11
4-11. Performance Tests.......................................................... 4-12
4-12. Initial Procedure.......................................................... 4-12
4-13. Microcomputer and Display Test................................ 4-12
4-14. Voltage Test................................................................ 4-13
4-15. Resistance Test ........................................................... 4-14
4-16. Continuity Test............................................................ 4-15
4-17. Current Test ................................................................ 4-15
4-18. Diode Test................................................................... 4-17
4-19. Calibration Adjustments................................................. 4-17
4-20. Troubleshooting.............................................................. 4-19
4-21. Self-Tests.................................................................... 4-19
4-22. Ratio Self-Test......................................................... 4-19
4-23. Switch Decoding Self-Test...................................... 4-20
4-24. Troubleshooting Guide ............................................... 4-21