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TM 11-5820-890-20-2
5-20
5.3.
TROUBLESHOOTING FLOWCHARTS. Continued
CHART 2
PSA DS1 NOT LIT WHEN CB1 IS SET TO •ON".
(Sheet 5 of 9)
NOTE:
The LS 671 may be installed at either MB
J3 or J4.
J
H
P
K
S
R
N
M
L
F
E
D
B
A
C
V
U
T
MB J5
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
LS 671 J1
1. REMOVE CX 13292 FROM MB J3 OR J4.
2. MEASURE VOLTAGE AT MB J5, PIN B TO
PIN A (GND).
NO
YES
22 TO 32 V dc
?
REPLACE LS 671.
NO
YES
SHORT
TO
GROUND
?
REPLACE CX 13292.
1. REMOVE CX 13292 FROM LS 671 J1.
2. CHECK CONTINUITY AT LS 671 J1, PIN B TO
PIN A (GND).
REPLACE MB.
5
SH 5
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