Fluke 5080A Service Manual page 9

Figure
1. Internal Layout ........................................................................................... 14
2. Block Diagram Part 1 ................................................................................ 15
3. Block Diagram Part 2 ................................................................................ 16
4. Ohms Function .......................................................................................... 17
5. Current Function (AUX Out Ranges) ......................................................... 19
6. Voltage Function ....................................................................................... 20
7. Low Resistance Verifications Connections ............................................... 30
8. High Resistance Source Calibration Connections ..................................... 31
9. High Resistance Verification for 1 GΩ and higher ..................................... 32
10. DC Voltage Adjustment Setup ................................................................... 46
11. AC Voltage Adjustment Setup ................................................................... 47
12. DC Current Adjustment Setup ................................................................... 49
13. Connections for Calibrating AC Current with a Fluke A40 Shunt .............. 50
14. Sample MET/CAL Program ....................................................................... 53
15. Connections for Calibrating 4-Wire Resistance ......................................... 56
16. Connections for Calibrating 2-Wire Resistance ......................................... 57
17. Connections for AC Square Wave Voltage and Edge Calibration ............. 61
18. Product Mainframe to 5790A AC Measurement Standard Connections ... 64
19. Leveled Sine Wave Harmonics Adjustment .............................................. 67
20. Edge Aberrations Adjustment .................................................................... 68
21. MEGOHM Low Resistance Calibration Connections ................................ 70
22. MEGOHM High Resistance Calibration Connections ............................... 73
23. Fuse Access .............................................................................................. 81
24. Current Fuse Compartment ....................................................................... 83
25. Accessing the Air Filter .............................................................................. 85
26. Remove Analog Modules .......................................................................... 88
27. Remove Rear Panel Assemblies ............................................................... 90
28. Remove the Main PCA (A9) ...................................................................... 92
29. Remove Filter PCA (A12) .......................................................................... 94
30. Remove Encoder/Display PCA (A2) .......................................................... 96
31. Remove Output Block (A16) ...................................................................... 97
32. Final Assembly .......................................................................................... 103
List of Figures
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