Service manual

4 Troubleshooting
4-9
4-2-5 No Picture (Video_CVBS)
Dose the signal appear at
#10 of IC500?
Check a connection harness.
Yes
Does the signal appear at
Out of IC500
R563_OP~R572_OP?
Check a IC515.
Change a main PCB ass'y
Yes
Power Indicator is off.
Lamp on, no picture.
No
Check a A/V cable and video signal.
No
No
Yes
Check a LVDS cable?
Replace lcd panel?
Please, Call to Samsung Co. LTD.
No
4