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SYSTEM CHECK
50^2 OUT
BAD
1
f
TURN
DC OFFSET
& SWEEP
OFF
ALL
FUNCTIONS
BAD
V GOOD
'V BAD
\good
Ti BAD
YES
r
SELECT
APR R OX
±2v nL
AT JUNCTION
^
CR20,22
APPROX
±1V \
AT R119 WIPER
WITH AMPLITUDE
CW ?
PPRO
GO TO
GENERATOR
LOOP CHECK
CHECK
SW2 A & B
& IC10CKT
REMOVE
R120
APPROX
±1V \
SET
WAVEFORM
TO
L
CHECK
CR20 - 23
& SW2 A & B
AT JUNCTION
CR21, 23
OK ?
CHECK
CR20- 23
& 021 CKT
CHECK
023 - 29
CIRCUIT
REINSTALL
R120;
^ NO,
CHECK
R119
WITH AMPLITUDE
CW ?
REINSTALL
Figure 6-1. Troubleshooting Chart (Sheet 1 of 4)
6-2
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