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TM 11-5820-890-20-2
5-26
5.3.
TROUBLESHOOTING FLOWCHARTS. Continued
CHART 3
LS 671 DS1 NOT LIT WHEN CB1 IS SET TO •ON".
(Sheet 2 of 3)
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
LS 671 J1
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
MB J3, J4
NOTE:
The LS 671 may be installed at either
MB J3 or J4.
1. REMOVE CX 13292 FROM MB J3 OR J4.
2. CHECK CONTINUITY AT MB J5, PIN C
TO J3 OR J4, PIN C.
2
SH 3
NO
YES
OPEN
?
REPLACE MB.
NO
YES
OPEN
?
1. REMOVE CX 13292 FROM LS 671 J1.
2. REMOVE DS1 FROM LS 671.
3. SET LS 671 CB1 TO ON.
4. CHECK CONTINUITY AT LS 671 J1, PIN C TO
CENTER CONDUCTOR OF DS1 SOCKET.
REPLACE LS 671.
1
SH 2
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