4-11
4. Troubleshooting
4-1-6. No Picture (S-VIDEO_Y,C)
Symptom Audio is normal but no picture is displayed on the screen.-
Major
checkpoints
Check the S-Video_Y,C source
Check the SVP-WX
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
-
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Diagnostics
2
1
No
Check a connection harness.
No
Power Indicator is off.
Lamp on, no picure.
Does the Y/C signal appear at C2619,
C2622 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?
Replacea lcd panel?
Yes
Connect the s-video cable.
Operating a video player.
Yes
1
Yes
2
Caution Make sure to disconnect the power before working on the IP board.
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