Keithley TEC SourceMeter 2510, Service Manual, Page: 9 / 120

Changing the password ............................................................... 2-6
Changing the password from the front panel ...................... 2-6
Changing the password by remote ...................................... 2-6
Resetting the calibration password ............................................. 2-7
Viewing calibration dates and calibration count ........................ 2-7
Calibration errors ........................................................................ 2-7
Front panel error reporting .................................................. 2-7
Remote error reporting ........................................................ 2-7
Aborting calibration steps ........................................................... 2-8
Front panel calibration ................................................................ 2-8
Remote calibration .................................................................... 2-20
Remote calibration command summary ............................ 2-20
Remote calibration procedure ........................................... 2-21
3 Routine Maintenance
Introduction ................................................................................ 3-2
Line fuse replacement ................................................................. 3-2
4 Troubleshooting
Introduction ................................................................................ 4-2
Safety considerations .................................................................. 4-2
Repair considerations ................................................................. 4-2
Power-on self-test ....................................................................... 4-3
Front panel tests .......................................................................... 4-3
KEYS test ............................................................................ 4-3
DISPLAY PATTERNS test ................................................. 4-4
CHAR SET test ................................................................... 4-4
Principles of operation ................................................................ 4-5
Overall block diagram ......................................................... 4-5
Analog circuits .................................................................... 4-6
Power supply ..................................................................... 4-12
Digital circuitry ................................................................. 4-13
Display board circuits ........................................................ 4-15
Troubleshooting ........................................................................ 4-15
Display board checks ........................................................ 4-15
Power supply checks ......................................................... 4-16
Digital circuitry checks ..................................................... 4-16
Analog circuitry checks ..................................................... 4-17
Internal fuse replacement ......................................................... 4-17
Power supply module fuse replacement ............................ 4-17
Digital I/O +5V supply fuse replacement ......................... 4-18
No comm link error .................................................................. 4-18
2510-902-01 (E - Mar 2010)(Service).book Page 2 Tuesday, March 16, 2010 1:04 PM