|
| |
TM 11-5820-890-20-2
5-46
5.3.
TROUBLESHOOTING FLOWCHARTS. Continued
CHART 11
NO SIDETONE HEARD AT THE LS 671.
(Sheet 3 of 3)
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 13292 P1, P2
V
U
T
S
R
P
N
M
L
K
J
H
F
E
D
C
B
A
2
SH 3
1. REMOVE CX 13292 FROM MB.
2. IF LS 671 IS CONNECTED TO MB J3, THEN
CHECK CONTINUITY AT MB J5, PIN M TO
J3, PIN U.
3. IF LS 671 IS CONNECTED TO MB J4, THEN
CHECK CONTINUITY AT MB J5, PIN U TO
J4, PIN U.
NO
YES
OPEN
?
REPLACE MB.
NO
YES
OPEN
?
CHECK CONTINUITY AT CX 13292 P1, PIN S TO
P2, PIN A.
REPLACE CX 13292.
NO
YES
OPEN
?
CHECK CONTINUITY AT CX 13292 P1, PIN U TO
P2, PIN U.
REPLACE CX 13292.
REPLACE LS 671.
|
