No Video (Component)
*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 Component 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 component source and
check the connection of component
cables(Y,Pb,Pr) ?
No
Input the component source properly.
Yes
1
Does the component data appear at ?
Comp1 Y : R530
Pb : R531
Pr : R532
No
Check CN502 or Compnent gender.
Change the Main Board.
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.
4-15
4. Troubleshooting