Samsung UE32B6000VW Service Manual page 42

4. Troubleshooting
4-1-6. No Video (Video CVBS 1)
Symptom Audio is normal but no picture is displayed on the screen.
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Check the Video CVBS source
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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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Caution Make sure to disconnect the power before working on the PD board.
5
Diagnostics
5
4-18
No video
Yes
Check the video source and
check the connection of
video cable?
Yes
Does the signal appear at R3070?
Yes
Does the digital data appear at
pin14~42 of CN7005?
Yes
Check the LVDS cable?
Replace the LCD panel?
Input a video signal.
No
Check the connected cable.
No
Check CN3005
Change the main PCB assy
No
Check IC7001
Change the main PCB assembly
No
Please, contact Tech support