Samsung SyncMaster CKG7507L Service Manual page 33

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