Samsung LW46G15W Service Manual page 30

5 Troubleshooting
5-4 No Screen (Componet)
The power LED turns green.
Does the signal appear at
Pin BD203, BD206, BD207
G13
G14
17
of main board CN201?
Yes
Does the signal appear
at R706 (H Sink) and
09
G09
R707 (V Sink) of IC702?
10
Yes
Does the signal appear
at Pin R758 (V Sink),
Pin R757 (H Sink)
G10
and Pin R756 (DE) of IC702?
13
Yes
Replace LCD panel.
WAVEFORMS
9
13
5-6
16 15
11
12
10
15
No
Check cable.
No
Check IC501 and related circuit.
No
Check IC702 and related circuit.
11
16
12
17
LW46G15W