Samsung CKB5237L Service Manual page 34

6 Troubleshooting
6-5 No Raster (2)
Power indicator is toggle
Does H/V sync pulse
appear at Pins 4
and 10 of IC105?
Yes
Does H/V sync output
appear at Pins 20
and 21 of IC202?
Yes
Check IC401
6-4
Check signal cable connection
No
and the signal sources.
Check IC105.
No
Check Micom and IC202.
CKB5237L/7227L