No Video (Component) - Samsung LE32B53 SERIES Service Manual

4-1-8. No Video (Component)

Symptom Audio is normal but no picture is displayed on the screen.
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Check the Component source
-
Major
Check the chelsea.
-
checkpoints
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
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Diagnostics
5
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 component source and
check the connection of
component cables(Y,Pb,Pr)?
Yes
Does the component data appear at
TP - 5100, 5024, 5025
(Comp1 / Y, Pb, Pr)?
Yes
Does the digital data appear at
Pin #19,20,34,35 (LVDS Data clk)
of LVDS connector?
Yes
Check the LVDS cable?
Check the T-Con B'd?
Replace the LCD panel?
No
in the 'Stand-by mode'.
Input the component
No
source properly.
Check CN5003
No
Change the Main Assy
Check IC4010 (Saturn4)
No
Change the Main Assy
No
Please, Contact Tech support
4. Troubleshooting
Check a set
4-19