7 Troubleshooting
7-2-3 Missing Color
Are proper Video levels
No
on CN D-sub pins 1, 2 and 3, CNR,Check signal generator and cable.
CNG and CNB.
Yes
Are proper AC voltage present No
Refer to 7-1-16 No Video.
on all cathodes?
Yes
Check IC107 Pins 10, 11 and 12,
Are proper DC voltage present NoIC104 Pins 24, 25 and 26.
on all cathodes?Check QR104, QR105, QG104,
QG105, QB104 and QB105.
Yes
No
Check G2 wire, control G2 volume of
Is the G2 voltage correct?
FBT.
Yes
Change the CRT.
Done
7-16SyncMaster 1000s (CGP1607L) |