Samsung LE19R86BD Service Manual page 108

4-2-6 No Picture (S-VIDEO_Y,C)
Power Indicator is off.
Lamp on, no picure.
Yes
5
Does the Y/C signal appear
at #50,51 of IC5002?
Yes
2
Does the digital data appear
at output of RA6001~6005?
Yes
Check a LVDS cable?
Replacea lcd panel?
No
Connect the s-video cable.
Operating a video player.
No
Check a connection harness.
No
Check IC6003.
Change a main PBA.
No
Please, Call to Samsung Co. LTD.
4 Troubleshooting
4-11