4-1-6. No Video (Video CVBS)
Symptom Audio is normal but no picture is displayed on the screen. -
Major
checkpoints
Check the Video CVBS source -
Check the Saturn4 (IC201) -
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected. -
Diagnostics
Check CN704.
Change the Main Assy.
LC350_26": BN44-00368A
LC350_32" : BN41-00369A
No
Yes
Power indicator LED is off.
Lamp(Backlight) on, no video ?
Yes
Check the video source and
check the connection of video cable ?
No
Insert the video source properly.
Yes
Yes
Check the LVDS cable?
Replace the LCD panel?
Please, Contact Tech support.
No
Does the CVBS data appear at
COMP_YCVBS?
Does the digital data appear at
Pin #16,17 (LVDS Data clk)
of LVDS connector?
No
Check IC201 (Saturn4).
Change the Main Assy.
LC350_26": BN44-00368A
LC350_32" : BN41-00369A
2
No
Check if the set is in
'Stand-by mode.'
4
Caution Make sure to disconnect the power before working on the IP board.
To Next Page
Loading...
