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TM 11-5820-890-20-2
2-35
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 5
AM 1780 RELAYS DO NOT CLICK AND SIDETONE NOT HEARD.
AM 1780 WILL NOT KEY FROM A SPECIFIED CONTROL BOX.
(Sheet 3 of 3)
D
E
F
G
P
N
M
L
B
C
H
J
K
A
NO
YES
22 TO 32 V dc
?
REPLACE CX 7060.
1. CONNECT CX 7060 TO HULL BENDIX
CONNECTOR.
2. REMOVE CX 7060 FROM TURRET BENDIX
CONNECTOR.
3. MEASURE VOLTAGE AT CX 7060, PIN M TO
PIN N (GND).
VEHICULAR WIRING
IS BAD.
3
SH 3
CX 7060
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