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4-18
Troubleshooting
Model 2701 Service Manual
Table 4-15
DCA signal multiplexing and gain
Range
Signal
(U163)
U129
pin 1
U129
pin 8
U129
pin 9
Gain
(U166)
20mA
100mA
1A
3A
S6
S6
S6
S6
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
×
100
×
100
×
100
×
10
Table 4-16
Ω
2 signal multiplexing and gain
Range
Signal
(U163)
U129
pin 1
U129
pin 8
U129
pin 9
Gain
(U166)
100
Ω
1k
Ω
10k
Ω
100k
Ω
1M
Ω
10M
Ω
100M
Ω
S4
S4
S4
S4
S4
S4
S4
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
×
100
×
10
×
10
×
10
×
1
×
1
×
1
Table 4-17
Ω
4 signal multiplexing and gain
Range
Signal
(U163)
U129
pin 1
U129
pin 8
U129
pin 9
Gain
(U166)
100
Ω
1k
Ω
10k
Ω
100k
Ω
1M
Ω
10M
Ω
100M
Ω
S4 then S7
S4 then S7
S4 then S7
S4 then S7
S4 then S7
S4 then S7
S4 then S7
OFF
OFF
OFF
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
×
100
×
10
×
10
×
10
×
1
×
1
×
1
Summary of Contents for 2701
Page 15: ...1 PerformanceVerification...
Page 47: ...2 Calibration...
Page 70: ...3 RoutineMaintenance...
Page 78: ...4 Troubleshooting...
Page 97: ...5 Disassembly...
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Page 111: ...6 ReplaceableParts...
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Page 131: ...A Specifications...
Page 140: ...B CalibrationReference...