Fluke 45 Service Manual

Contents (continued)
iii
3-31. Install the IEEE-488 Option............................................................. 3-12
3-32. Assemble the Front Panel Assembly................................................ 3-12
3-33. Install the Front Panel Assembly...................................................... 3-15
3-34. Install the Handle and Mounting Brackets....................................... 3-15
3-35. Install the Meter Case....................................................................... 3-15
4 Performance Testing and Calibration............................................... 4-1
4-1. Introduction........................................................................................... 4-3
4-2. Required Equipment............................................................................. 4-3
4-3. Performance Tests ................................................................................ 4-4
4-4. Front Panel Calibration......................................................................... 4-7
4-5. Introduction...................................................................................... 4-7
4-6. Entering Calibration Mode............................................................... 4-8
4-7. Exiting Calibration Mode................................................................. 4-9
4-8. DC Volts Calibration (Front Panel) ................................................. 4-9
4-9. AC Volts Calibration (Front Panel) ................................................. 4-9
4-10. DC and AC Milliamp Calibration (Front Panel).............................. 4-9
4-11. DC and AC Amps Calibration (Front Panel) ................................... 4-11
4-12. Ohms Calibration (Front Panel)....................................................... 4-11
4-13. Alternate Ohms Calibration (Front Panel)....................................... 4-13
4-14. Continuity/Hysteresis Threshold Calibration (Front Panel) ............ 4-13
4-15. Frequency Calibration (Front Panel)................................................ 4-13
4-16. C2 Adjustment Procedure ................................................................ 4-13
4-17. Editing the Prompt for Different Calibration Points........................ 4-14
4-18. Calibration Using the Computer Interface............................................ 4-15
4-19. Setup................................................................................................. 4-15
4-20. RS-232 Interface .......................................................................... 4-15
4-21. IEEE-488 Interface....................................................................... 4-16
4-22. The Calibration Procedure ............................................................... 4-18
4-23. DC Volts Calibration (Computer Interface)..................................... 4-19
4-24. AC Volts Calibration (Computer Interface)..................................... 4-19
4-25. DC and AC Milliamps Calibration (Computer Interface)................ 4-19
4-26. DC and AC Amps Calibration (Computer Interface)....................... 4-19
4-27. Ohms Calibration (Computer Interface)........................................... 4-19
4-28. Continuity/Hysteresis Threshold Calibration (Computer Interface) 4-20
4-29. Frequency Calibration (Computer Interface) ................................... 4-20
4-30. Concluding Calibration Using the Computer Interface.................... 4-20
4-31. Alternate Ohms Calibration (Computer Interface)........................... 4-20
5 Diagnostic Testing and Troubleshooting ......................................... 5-1
5-1. Introduction........................................................................................... 5-3
5-2. Servicing Surface-Mount Assemblies .................................................. 5-3
5-3. Error Codes........................................................................................... 5-4
5-4. General Troubleshooting Procedures ................................................... 5-10
5-5. Power Supply Troubleshooting........................................................ 5-10
5-6. Raw DC Supply............................................................................ 5-10
5-7. 5-Volt Switching Supply.............................................................. 5-11
5-8. Inverter......................................................................................... 5-12
5-9. Analog Troubleshooting................................................................... 5-13
5-10. Uart Test....................................................................................... 5-13
5-11. DC Volts Troubleshooting........................................................... 5-14
5-12. AC Volts Troubleshooting........................................................... 5-14
5-13. Ohms Troubleshooting................................................................. 5-14
5-14. Digital Troubleshooting........................................................................ 5-15

Fluke 45 Specifications

General

Diode Test	Yes
Display Digits	5 digits
Interface	RS-232
Frequency Range	5Hz to 500kHz
Continuity	< 25 Ω
Basic DC Accuracy	0.05%
Power Supply	115/230 V AC, 50/60 Hz