Unsynchronized Image - Samsung SyncMaster 1000s Service Manual

7 Troubleshooting

7-2-5 Unsynchronized Image

Check input signals CN D_sub Pins 2,
13, 14 and G_BNC.
Are the signals correct?
Yes
Are the signals at Pins 28, 36 and
38 of CN101 correct?
Yes
Are the signals at CN221 Pins 28,
36 and 38 correct?
Yes
Check IC201 Pins 20, 21, 22, IC403
Pins 23, 26 and related components.
Done
7-18
No
Check Video cable.
No
Check IC102, IC103 on Video Board.
No
Check connections at CN101 and
CN221.
SyncMaster 1000s (CGP1607L)