No Picture (Component) - Samsung LDO19WS Service Manual

4 Troubleshooting

4-5 No Picture (COMPONENT)

Power Indicator is off.
Lamp on, no picture.
Does the signal appear at
5
PIN(31:37) of IC301?
Yes
Does the digital data
appear at output of LVDS
4
(RA301~RA303)?
Yes
Check a LVDS cable?
Replace lcd panel?
4-8
No
Check a A/V cable and
video signal.
No
Check a connection harness.
No
Check a IC301.
Change a main PCB ass'y.