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TM 11-5820-890-20-2
2-73
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 23
AM 1780 LAMP IS NOT LIT WITH PSA DS1 LIT.
(Sheet 2 of 2)
NOTE:
The CX 13313 and CX 13300 may be
connected to either MB J3 or J4. These
cables then connect to the AM 1780 J501.
Connector J501 provides the dc power to
the rest of the VIC system.
CX 13313 P2
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
CX 13313 P1
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
1. REMOVE CX 13313 FROM MB J3 OR J4.
2. CHECK CONTINUITY AT MB,
J3 OR J4, PIN C TO J5, PIN C.
NO
YES
OPEN
?
REPLACE MB.
NO
YES
OPEN
?
1. REMOVE CX 13313 FROM CX 13300.
2. CHECK CONTINUITY AT CX 13313
P1, PIN C TO P2, PIN C.
REPLACE CX 13313.
REPLACE CX 13300.
1
SH 2
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