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TM 11-5820-890-20-2
5-36
5.3.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 7
COMSEC ALARM WILL NOT CLEAR (EXTERNAL DEVICES PRESENT).
(Sheet 2 of 4)
2
SH 2
NO
YES
IS RT
KEYED
CONSTANTLY
?
3
SH 3
NO
YES
SHORT
?
NO
YES
ALARM
CLEARS
?
1. REMOVE RT.
2. SET PSA LOCAL/REMOTE TO
LOCAL.
3. REMOVE CABLES FROM MB J3/J4.
4. PRESS PTT TWICE.
REPLACE CX 13292.
CHECK CONTINUITY AT LS 671 J1,
PIN A TO PIN J.
REPLACE LS 671.
REPLACE RT.
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
LS 671 J1
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