Table of Contents
Advertisement
No Video (Video CVBS, COMPONENT)
„
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.
2
Diagnostics
2
Caution
Make sure to disconnect the power before working on the IP 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 input date ?
CN403 #2(COMP1_Y_CVBS1)
CN403 #8(COMP1_PR)
CN403 #5(COMP2_PB)
Yes
Check the LVDS clk signal at output of
Main board ?
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 the CN403.
No
Change the Main Assy.
No
Change the Main Assy.
No
Please, Contact tech support.
4. Troubleshooting
4-11
Hide quick links:
Advertisement
Table of Contents
