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TM 11-5820-890-20-2
2-124
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 35
RT-A WILL NOT KEY. CREWMEMBER C 2298
MONITOR SWITCH SET TO ALL OR A.
(Sheet 2 of 3)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
D
E
F
G
P
N
M
L
B
C
H
J
K
A
1. CONNECT CX 7060 TO HULL BENDIX
CONNECTOR.
2. REMOVE CX 7060 FROM TURRET BENDIX
CONNECTOR.
3. MEASURE VOLTAGE AT CX 7060,
PIN D TO PIN N (GND).
NO
YES
1.0 TO 2.5
V dc
?
REPLACE CX 7060.
VEHICULAR WIRING IS
BAD.
1. CONNECT SUSPECT CX 4723 TO AM 1780
J505 J507.
2. REMOVE CX 4723 FROM CREWMEMBER
C 2298 J801/J804.
3. MEASURE VOLTAGE AT CX 4723, PIN D TO
PIN A (GND).
NO
YES
1.0 TO 2.5
V dc
?
REPLACE CX 4723.
REPLACE CREWMEMBER
C 2298.
1
SH 2
2
SH 2
CX 7060
CX 4723
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