Samsung LT-P468W Service Manual page 72

5 Troubleshooting
5-6 No Screen (PC Signal [Digital])
Does the input signal appear
at Pin R115, R119 of
G16
21
20
main board IC101?
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
5-8
No
No
No
12
10
20
Check IC101 and cable.
Check IC501 and related circuit.
Check IC702 and related circuit.
11
21
12
LT-P468W