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7-17
5-8. Impurity on CRT Screen
D
oes the picture sway when the degaussing
Select the degauss item on OSD, and push "PROCEED"
NG
/Digital control circuit failure
/Z connector disconnected
/CL connector disconnected
OK
Confirm degaussing effect
No effect
/SW REG. failure
/Degauss coil failure
Effect, but not enough
Make sure that the monitor is removed away from any strong magnetic field
No magnetic field interference
Adjust the GlobalSync, TOP LEFT, TOP RIGHT, BOTTOM LEFT
and BOTTOM RIGHT with OSD control.
OK
NG
Check the voltage at the feedback resister (R4J5: GLOBALSYNC,
R4L5: TOP LEFT, R4M5: BOTTOM LEFT, R4N5:TOP RIGHT,
R4R5: BOTTOM RIGHT).
Confirm that the variable range of the voltage at the feedback
resister should be between -1volt and +1volt , when the GLOBALSYNC
(5 Items) control is varied.
OK Turn the monitor face to the North, South
NG
West and the East.
OK
CONTINUE1
CONTINUE2