Samsung LT-P468W Service Manual page 71

5-5 No Screen (PC Signal [Analong])
Does the input signal appear
at Pin R198, R199 of
G15
18
main board CN103?
Yes
Does the signal appear
at R706 (H Sink) and
G09
09
R707 (V Sink) of IC702?
10
Yes
Does the signal appear
at Pin R758 (V Sink), Pin R757 (H Sink)
G10
11
and Pin R756 (DE) of IC702?
13
Yes
Replace LCD panel.
WAVEFORMS
9
13
LT-P468W
No
19
No
No
12
10
18
Check cable.
Check IC501 and related circuit.
Check IC702 and related circuit.
11
19
5 Troubleshooting
12
5-7