Samsung AQ17KS Service Manual page 36

5 Troubleshooting
5-2-5 Unsynchronized Image
Check input signals Pin 2
and 3 of CN202.
Signals are right?
Yes
Signals at Pin 28 and 29 of
IC201 are right?
Yes
Signals at Pin 14 and 15 of
IC401 are right?
Yes
Check circuits on Main board.
Done
5-16
No
Check Video Cable
No
Check IC201.
No
Check IC401
AQ17KS