Samsung CKB5237L Service Manual page 37

6-8 No Specific Color Appears
The raster color is
light red or cyan
Check the red video circuits.
(IC104 and IC103)
Note: Removing the signal cable displays a self raster screen. This screen displays the message
"check signal cable" along with red, green and blue boxes. Use these boxes to check
whether each individual color (R, G, B) is operating or not.
6-9 Degauss Operation Failure
When you push the manual
degauss button,
does 5 V appear
at Pin 3 of IC202?
Yes
When pushing the manual
degauss button, does the Q600
operate well?
Yes
Check and replace if necessary
RL601.
CKB5237L/7227L
The raster color is
light green or magenta
Check the green video circuits.
(IC104 and IC103)
No
Replace IC202
No
Replace Q600
6 Troubleshooting
The raster color is
light blue or yellow
Check the blue video circuits.
(IC104 and IC103)
6-7