Keithley 3940 Service Manual page 30

SECTION3
Service Information
GND -
Test Point
R122-
(AC Gain)
Rear Panel Side
Crystal Oscillator
-F-l
f--"--l
= .
$""""'- . . . . . . . .
I-'~.- . . . . . . . . . . . . 1
0
la
0
--.---
:
t
RI24 R151
(DC Gain) (Offset)
R154
(Gain)
Front Panel Side
- R90
. DCOFS
Test Point
Fipre 3-2. Analog Board (NP-10375) Calibrafion Adjusfmenfs