Fluke 76 - How to Measure Current

3-1
Chapter 3
Maintenance
Title Page
3-1. Introduction ............................................................................................. 3-3
3-2. Recommended Equipment ...................................................................... 3-3
3-3. Operator maintenance ............................................................................. 3-4
3-4. Case Disassembly ............................................................................... 3-4
3-5. Battery Replacement .......................................................................... 3-4
3-6. Fuse Test ............................................................................................. 3-4
3-7. Fuse Replacement ............................................................................... 3-6
3-8. PCA Removal ..................................................................................... 3-6
3-9. Display Access ................................................................................... 3-7
3-10. Cleaning .................................................................................................. 3-8
3-11. Performance Tests ................................................................................... 3-8
3-12. Setup ................................................................................................... 3-8
3-13. Display Test ........................................................................................ 3-9
3-14. DC Voltage Test ................................................................................. 3-9
3-15. mV DC Test ........................................................................................ 3-9
3-16. AC Voltage Test ................................................................................. 3-10
3-17. Frequency Test ................................................................................... 3-10
3-18. Ohms Test ........................................................................................... 3-11
3-19. Capacitance Test ................................................................................. 3-12
3-20. Continuity Test ................................................................................... 3-12
3-21. DC and AC Current Test .................................................................... 3-12
3-22. Calibration .............................................................................................. 3-13
3-23. Troubleshooting ...................................................................................... 3-14
3-24. Surface Mount Assemblies ................................................................. 3-14
3-25. Power Supply Related Troubleshooting ............................................. 3-15
3-26. Common (Shunt) Regulator Troubleshooting .................................... 3-15
3-27. Vdd (Series) Regulator Troubleshooting ............................................ 3-16