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TM 11-5820-890-20-2
2-131
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 36
NO RT-A MODULATION FROM CREWMEMBER C 2298.
(Sheet 6 of 6)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
C 2298 J801, J804
NO
YES
AC VOLT
CHANGE
?
REPLACE C 2298.
1. CONNECT CX 4723 TO AM 1780 J505 J507
AND CX 13300 TO J501.
2. OBSERVE CHANGE IN AC VOLTAGE AT
C 2298 J801/J804, PIN K TO PIN A (GND).
3. PRESS PTT AND WHISTLE SHARPLY
INTO HS.
NO
YES
OPEN
?
REPLACE C 2298.
1. REMOVE CX 4723 FROM C 2298 J801/J804.
2. CHECK CONTINUITY AT C 2298 J804, PIN K
TO J801, PIN K.
REPLACE CX 4723.
7
SH 6
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