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TM 11-5820-890-20-2
5-21
5.3.
TROUBLESHOOTING FLOWCHARTS. Continued
CHART 2
PSA DS1 NOT LIT WHEN CB1 IS SET TO •ON".
(Sheet 6 of 9)
J
H
P
K
S
R
N
M
L
F
E
D
B
A
C
V
U
T
MB J5
NOTE:
The LS 671 may be installed at either MB
J3 or J4.
1. REMOVE PSA FROM MB.
2. CHECK CONTINUITY AT MB J5, PIN E
TO PIN A (GND).
NO
YES
SHORT
TO
GROUND
?
NO
YES
SHORT
TO
GROUND
?
REPLACE MB.
1. REMOVE CX 13292 FROM MB J3 OR J4.
2. CHECK CONTINUITY AT MB J5, PIN E
TO PIN A (GND).
6
SH 7
7
SH 8
2
SH 6
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