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TM 11-5820-890-20-2
2-141
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 41
NO SRM MONITORING AT COMMANDER'S C 2298.
MONITOR SWITCH AT ALL POSITION.
(Sheet 4 of 10)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
AM 1780 J511
1. REMOVE CX 13314 CABLE FROM RT
AUD/DATA CONNECTOR AND PSA J1.
2. MEASURE AC VOLTAGE AT PSA J1,
PIN F TO PIN A (GND).
NO
YES
85 TO 196
mV ac
?
REPLACE AM 1780.
NO
YES
1.5 TO 3.5
V ac
?
MEASURE AC VOLTAGE AT AM 1780 J511,
PIN K TO PIN A (GND).
5
SH 5
6
SH 9
3
SH 4
PSA J1
K
L
F
E
R
M
H
C
B
A
D
J
N
P
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