Service manual

4 Troubleshooting
4-11
4-2-6 No Picture (S-VIDEO_Y,C)
Dose the Y/C signal appear at
#21, #31 of IC500?
Check a connection harness.
Yes
Yes
Power Indicator is off.
Lamp on, no picure.
No
Connect the s-video cable.
Operating a video player.
No
Does the digital data appear
at Output of IC500,
R563_OP~R572_OP?
Check a IC500.
Change a main PCB ass'y.
No
Yes
Check a LVDS cable?
Replacea lcd panel?
Please, Call to Samsung Co. LTD.
No
5
2