Fluke 77 User Manual
Page 3
77 Series III
Service Manual
ii
3-10.
Diode Test .............................................................. 3-9
3-11.
DC mA Test ............................................................ 3-10
3-12.
DC Amps Test ........................................................ 3-11
3-13.
Calibration .............................................................. 3-11
3-14. Troubleshooting .......................................................... 3-11
3-15.
Supplemental Troubleshooting Procedures ............ 3-13
3-16.
Checking the Crystal Oscillator ......................... 3-13
3-17.
Checking The Reference Voltage ...................... 3-13
3-18.
Checking Display Drive Voltage ....................... 3-13
3-19.
Checking Beeper Drive Signal ........................... 3-13
3-20.
Tracing the VDC Signal Path ............................. 3-13
4
List of Replaceable Parts............................................ 4-1
4-1.
Introduction ................................................................. 4-3
4-2.
How to Obtain Parts .................................................... 4-3
4-3.
Newer Instruments ...................................................... 4-3
4-4.
Service Centers ........................................................... 4-3
4-5.
Manual Status Information ......................................... 4-4
4-6.
Parts Lists .................................................................... 4-4
5
Schematic Diagrams ................................................... 5-1