Samsung DSR9500EMVIA - Manual (Page 36)

Troubleshooting
Samsung Electronics 4-5
NO S-VIDEO OUTPUT
Video signal occur at
R405, R417.
Q400, Q403
base video signal?
BD801 is 12V?
Yes
Yes
No
No
Check BD801.
Check J400. Check Q400, Q430.
Check Q400, Q430.
Q401, Q402
base video signal?
Check Q401, Q402.