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