Service Modes, Error Codes, and Fault Finding
5.
Set is in TV/Composite video mode, no image
Figure 5-13 Trouble shooting diagram - set is in TV/Composite video mode, no image
No
No
No
No
Ye
s
Ye
s
Ye
s
S
t
a
rt
LED i
s
lighted
1.
I
s
Power Core
a
v
a
il
ab
le?
2.
I
s
SS
B J1-Pin 6, 7,
8
-
5V
a
v
a
il
ab
le?
3
.
I
s
SS
B J
3
-Pin 4-
0
~
0.
8
V
(Low level)
a
v
a
il
ab
le?
4.
I
s
SS
B J2-Pin9-
0
~
0.
8
V
(Low level)
a
v
a
il
ab
le?
LED ON to OFF
1.
I
s
SS
B J
3
Pin 4-
2.5
~3
.
3
V
(Hi level)
a
v
a
il
ab
le?
I
s
ba
cklight on?
I
s
Di
s
pl
a
y Norm
a
l?
END
1.
Axi
a
l RF/AV Compo
s
ite /
S
-Video c
ab
le
a
re OK?
2.
Check whether J2 -Pin 6 PWM i
s
norm
a
l.
3
.
I
s
T1/P
3
video inp
u
t
s
ign
a
l norm
a
l?
4.
Check whether U
3
6 inp
u
t/o
u
tp
u
t of video
s
ign
a
l i
s
norm
a
l.
5.
Check whether J10,J11 video
s
ign
a
l i
s
norm
a
l
6.
I
s
Connection of J10
a
nd J11 FFC C
ab
le OK?
1.
I
s
SS
B J1-PIN9, J2-Pin1, 2 Volt
a
ge
12V
a
v
a
il
ab
le?
2.
Check if J1-Pin 2-
2.5
~3
.
3
V
(Hi Level) i
s
a
v
a
il
ab
le.
3
.
Check if J2, Pin 5-
2.5
~3
.
3
V
(Hi Level) i
s
a
v
a
il
ab
le.
1
8
9
3
0_215_100
3
10.ep
s
100
3
10
