Samsung CKG7507L

7 Troubleshooting
CKG7507L 7-7
The raster color is
light red or cyan
Check the red video circuits.
(IC104, IC103 and QR01)
The raster color is
light green or magenta
Check the green video circuits.
(IC104, IC103 and QG01)
The raster color is
light blue or yellow
Check the blue video circuits.
IC104, IC103 and QB01)
7-8 No Specific Color Appears
7-9 Degauss Operation Failure
Replace IC201
Replace Q608
Check the D-Coil and PR601.
When you push the manual
degauss button,
does 5 V appear
at Pin 14 of IC201?
When pushing the manual
degauss button, does the Q608
operate well?
Yes
No
Yes
No
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.