4. Troubleshooting
4-2-5. No Video (Video 2-AV)
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.
1
Diagnostics
2
Caution
Make sure to disconnect the power before working on the IP board.
4-16
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 signal at output of Main
Board ?
TX2_CLK : LV_TX2_DN/DP
TX4_CLK : LV_TX4_DN/DP
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 Ass'y.
No
Please, Contact Tech support.