4-9
4. Troubleshooting
4-1-5. No Picture (Video_CVBS)
Symptom Audio is normal but no picture is displayed on the screen.-
Major
checkpoints
Check the Video Source
Check the SVP-WX
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
-
-
Diagnostics
2
1
No
Check a connection harness.
No
Power Indicator is off.
Lamp on, no picture.
Yes
Does the signal appear at C2630 of
IC2601?
Check Local dimming board
Change a Local dimming(Rose)
PCB ass’y.
No
Please, Call to Samsung Co. LTD.
Check a LVDS cable?
Replace lcd panel?
Yes
Check a A/V cable and video signal.
Yes
1
2
Caution Make sure to disconnect the power before working on the IP board.
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