Samsung LE23R32B Service Manual page 41

4 Troubleshooting
4-5 No Picture (Video_CVBS)
Power Indicator is off.
Lamp on, no picure.
Yes
Does the signal
5
appear at R7003?
Yes
Does the digital data appear
3
at output of R422~R425,
R430~R433?
Yes
Check LVDS cable?
Replace lcd panel?
4-8
No
Check A/V cable and video signal.
No
Change A/V Cable.
No
Check IC310.
Change main PCB ass'y.
No
Please call Samsung Co. LTD.