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.
•
Major
checkpoints
Check the Video CVBS source.
•
This may happen when the LVDS cable connecting the Main Board and the Panel is
•
disconnected.
Diagnostics
Power indicator LED is off.
Lamp(Backlight) on, no video ?
No
Check a set in the ‘Stand-by mode’.
Yes
Check the video source and check the
connection of video cable?
No
Input the video source properly.
Yes
2
Check the LVDS clk signal at output of
Main board.(TX)
ODD_TXCLK- / OD
EVEN_TXCLK- / EVE
No
Check IC1001(X10+).
Change the Main Board.
Yes
Check the LVDS cable?
Replace the T-con / LCD panel?
No
Please, Contact Tech support.
Caution
Make sure to disconnect the power before working on the Power board.
4-13
4. Troubleshooting