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TM 11-5820-890-20-2
2-95
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 27
NO RT-A MODULATION FROM COMMANDER'S C 2298.
(Sheet 11 of 14)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
CX 4723
CX 13300
NO
YES
SHORT
TO
GROUND
?
12
SH 14
1. CONNECT CX 4723 TO COMMANDER'S
C 2298.
2. REMOVE CX 13300 FROM AM 1780 J501.
3. CHECK CONTINUITY AT CX 13300, PIN U TO
PIN A (GND).
1. SET RTs TO STBY.
2. SET VAA CB1 TO OFF.
3. SET AM 1780 CB501 TO OFF.
4. REMOVE CX 4723 FROM COMMANDER'S
C 2298 J801/J804.
5. CHECK CONTINUITY AT CX 4723,
PIN K TO PIN A (GND).
NO
YES
SHORT
TO
GROUND
?
REPLACE COMMANDER'S
C 2298.
13
SH 13
NO
YES
CX 13417
PRESENT
?
14
SH 12
6
SH 11
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