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TM 11-5820-890-20-2
2-83
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 26
RT-A WILL NOT KEY FROM COMMANDER'S C 2298.
MONITOR SWITCH AT ALL POSITION.
(Sheet 2 of 3)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
MB J3,
AM 1780 J501, J504
J
H
P
K
S
R
N
M
L
F
E
D
B
A
C
V
U
T
MB J5
2
SH 3
1. RECONNECT CX 13300 TO AM 1780 J501.
2. REMOVE RTs FROM VAA.
3. REMOVE VAA FROM MB.
4. REMOVE CX 13313 OR CX 13417 FROM
MB J3.
5. CHECK CONTINUITY AT MB
J3, PIN S TO J5, PIN K.
NO
YES
OPEN
?
REPLACE MB.
NO
YES
OPEN
?
REPLACE AM 1780.
1. SET RT TO STBY.
2. SET VAA CB1 TO OFF.
3. REMOVE CX 13300 FROM AM 1780 J501.
4. CHECK CONTINUITY AT AM 1780 J501,
PIN S TO J504, PIN D.
1
SH 2
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