Samsung SYNCM.400B Service Manual page 53

6 Troubleshooting
6-5 No Specific Color Appears
The raster color is
light red or cyan
Check the video circuits
(IC101, IC102 pin #1, and
related components with R video)
6-6 Degauss Operation Failure
When you push the manual
degauss button, does
5 V appear at Pin 14 of IC202?
Yes
When pushing the manual
degauss button, does the Q601
operate well?
Yes
Replace RL601
6-4
The raster color is light green
or magenta
Check the video circuits
(IC101, IC102 pin #3, and
related components with G video)
When you push the manual
No
degauss button, is there a voltage
change at Pins 31, 32 of IC202?
(No change at Pins 31, 32)
Yes
Replace IC202.
No
Replace Q601
The raster color is
light blue or yellow
Check the video circuits
(IC101, IC102 pin #5, and
related components with B video)
No
Check the SW201 ~ SW210.
CKA42*7L/5227L