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TM 11-5820-890-20-2
2-45
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 9
NO SIDETONE HEARD AT COMMANDER'S CONTROL BOX
WITH MONITOR SWITCH IN THE C POSITION.
(Sheet 3 of 3)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
AM 1780 J504, J505, J506, J507
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
C 2298 J801, J804
1. REMOVE CX 4723 FROM AM 1780 J504.
2. CHECK CONTINUITY AT AM 1780
J504, PIN V TO J505, J506, OR J507, PIN V.
NO
YES
OPEN
?
REPLACE AM 1780.
REPLACE COMMANDER'S
CX 4723.
NO
YES
OPEN
?
1. REMOVE CX 4723 FROM COMMANDER'S
C 2298.
2. CHECK CONTINUITY AT C 2298
J801, PIN V TO J804, PIN V.
REPLACE COMMANDER'S
C 2298.
2
SH 3
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