No Video (Component)
*Refer to the next page to check the lacation such a CN201 or IC201 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 ?
COMP2_Y_CVBS : R816
Pb : R817
Pr : R815
No
Check CN502.
Change the Main Assy
Yes
2
Check the LVDS clk signal at output of
Main board.(TX)
TX2_CLK : ODD_TXCLK_DN/DP
TX4_CLK : EVEN_TXCLK_DN/DP
No
Check IC1001(X12).
Change the Main Ass’y.
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 IP board.
To Next Page
Loading...
