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No Video (Video AV)
„
*Refer to the next page to check the lacation such a CN201 or IC1001 SVC Manual mentioned.
Symptom
•
Audio is normal but no picture is displayed on the screen.
•
Check the Video CVBS source.
Major
•
This may happen when the LVDS cable connecting the Main Board and the Panel is
checkpoints
disconnected.
Diagnostics
2
Caution
Make sure to disconnect the power before working on the Power board.
Power indicator LED is off.
Lamp(Backlight) on, no video ?
Yes
Check the video source and check the
connection of video cable?
Yes
Check the LVDS clk signal at output of
Main board.(TX)
ODD_TXCLK- / ODD_TXCLK+
EVEN_TXCLK- / EVEN_TXCLK+
Yes
Check the LVDS cable?
Replace the T-con / LCD panel?
No
Check a set in the 'Stand-by mode'.
No
Input the video source properly.
Check IC1001(X10+).
No
Change the Main Board.
No
Please, Contact Tech support.
4. Troubleshooting
4-13
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