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TM 11-5820-890-20-2
2-116
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 32
NO RT-B MODULATION AT COMMANDER'S C 2298.
MONITOR SWITCH AT C.
(Sheet 4 of 5)
J
H
P
K
S
R
N
M
L
F
E
D
B
A
C
V
U
T
MB J5
4
SH 5
NO
YES
SHORT
TO
GROUND
?
REPLACE MB.
1. REMOVE CX 13313 FROM CX 13300.
2. CONNECT CX 13300 THAT WAS REMOVED
FROM MB J4 TO CX 13313.
3. CONNECT CX 13300 THAT WAS REMOVED
FROM CX 13313 TO MB J4.
4. REINSTALL VAA AND RT.
5. MOVE CX 13300 AT AM 1780 J501 TO J503.
6. CONNECT LOOSE CX 13300 TO J501.
7. SET CB1 TO ON AND RT-B TO SQ ON.
8. PRESS COMMANDER'S PTT AND COUNT
INTO HS.
CHECK CONTINUITY AT MB, J5, PIN U
TO PIN A (GND).
NO
YES
SIDETONE
HEARD
?
REPLACE CX 13300
CONNECTED TO MB J3.
3
SH 4
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