|
| |
TM 11-5820-890-20-2
2-61
2.2.
TROUBLESHOOTING FLOWCHARTS. Continued
Chart 18
RT-B LS 671 DS1 DOES NOT LIGHT (NO SPLITTER CABLE PRESENT).
(Sheet 1 of 1)
NOTE:
Make sure VAA DS1 is set
full ccw.
NO
YES
GREATER
THAN 20 K OHMS
BUT NOT OPEN
?
1. SET VAA AND RT-B LS 671 CB1' TO OFF.
2. REMOVE CX 13292 FROM LS 671 J1.
3. SET LS 671 CB1 TO ON.
4. MEASURE RESISTANCE AT LS 671
J1, PIN C TO PIN A (GND).
NO
YES
LS 671
DS1 LIT
?
REPLACE LS 671 DS1.
REPLACED LS 671
DS1 IS BAD.
1. SET LS 671 CB1 TO OFF.
2. CONNECT CX 13292 TO LS 671 J1.
3. REMOVE VAA FROM MB.
4. REMOVE CX 13292 FROM MB J4.
5. SET LS 671 CB1 TO ON.
6. CHECK CONTINUITY AT CX 13292, PIN C
TO PIN A (GND).
NO
YES
OPEN
?
REPLACE CX 13292.
REPLACE LS 671.
START
REPLACE LS 671.
CX 13292 P1, P2
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
LS 671 J1
|
