Samsung CF21M Service Manual page 66

5 Troubleshooting
5-2-6 Misconvergence
Are the C/G control circuits in the video Board?
(AQ17NS, AQ17NS, AQ19FS have the C/G control circuits in the video Board)
No Yes
Check the C/G control Assy
Try readjusting convergence.
(CN104, CN105).
No
Proper voltage are appeared
Check and replace IC106.
The convergence is
on IC106 Pin 7, 8, 10, and 11
now within spec.? in Video Board.
No
Change CRT and readjust
No
convergence.
Change CRT and
Yes
readjust convergence.
Done.
Done.
CF21M* 5-17