Keithley 2750 - Table 4-7 2 Signal Switching; Table 4-8 4 Signal Switching

Model 2750 Multimeter/Switch System Service Manual Troubleshooting 4-19
Troubleshooting
Tab le 4- 8
4 signal switching
Range Q101 Q102 Q151 Q150 Q122 Q135 Q114 Q136
1
10
100
1k
10k
100k
1M
10M
100M
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Range Q109 K101* K102* Q113 Q104 Q108 Q106 Q148
1
10
100
1k
10k
100k
1M
10M
100M
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
SET
SET
SET
SET
SET
SET
SET
SET
SET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
RESET
ON
ON
ON
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
ON
ON
*K101 set states: Pin 8 switched to Pin 7
Pin 3 switched to Pin 4
K102 reset states: Pin 8 switched to Pin 9
Pin 3 switched to Pin 2