8062A
Instruction Manual
ii
3-7. Current Measurement .......................................................... 3-9
3-8. Resistance Measurement...................................................... 3-10
3-9. Continuity Measurement ..................................................... 3-11
4 Maintenance............................................................................ 4-1
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
5 List of Replaceable Parts....................................................... 5-1
5-1. Introduction............................................................................. 5-3
5-2. How to Obtain Parts ................................................................ 5-3
5-3. Manual Status Information...................................................... 5-4
5-4. Newer Instruments................................................................... 5-4
5-5. Service Centers........................................................................ 5-4
6 Accessory Information .......................................................... 6-1
6-1. Introduction............................................................................. 6-3
6-2. Deluxe Carrying Case (C90).................................................... 6-3
6-3. Temperature Probes (80T-150C and 80T-150F) ..................... 6-3
6-4. Current Transformer (80I-600)................................................ 6-6
6-5. High Voltage Probe (80K-6)................................................... 6-6
6-6. High Voltage Probe (80K-40)................................................. 6-7
6-7. High Frequency Probe (83RF) ................................................ 6-7
6-8. High Frequency Probe (85RF) ................................................ 6-8
6-9. Current Shunt (80J-10)............................................................ 6-9
6-10. AC/DC Current Probe (Y8100)............................................... 6-9