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TM 11-5820-890-20-2
2-97
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 27
NO RT-A MODULATION FROM COMMANDER'S C 2298.
(Sheet 13 of 14)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
MB J3
CX 13313 P1
NO
YES
SHORT
TO
GROUND
?
REPLACE CX 13300.
NO
YES
SHORT
TO
GROUND
?
REPLACE CX 13313.
NO
YES
SHORT
TO
GROUND
?
REPLACE MB.
REPLACE VAA.
1. REMOVE RTs.
2. REMOVE VAA FROM MB.
3. REMOVE CX 13313 FROM MB J3.
4. CHECK CONTINUITY AT CX 13313 P1, PIN U
TO PIN A (GND).
CHECK CONTINUITY AT MB J3, PIN U TO
J2, PIN A (GND).
1. CONNECT CABLE TO AM 1780 J501.
2. REMOVE CX 13313 FROM CX 13300.
3. CHECK CONTINUITY AT CX 13313 P1, PIN U
TO PIN A (GND).
13
SH 13
D
C
B
A
MB J2
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