Caple C702G Manuel de service télécharger pdf (Page 105)

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5-8. Impurity on CRT Screen

Does the picture sway when the degaussing Select the degauss item on OSD, and push ‘PROCEED’

/Digital control circuit failure

/Z connector disconnected

/CL connector disconnected

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 (R4J6: GLOBALSYNC,

R4N6: TOP LEFT, R4R6: BOTTOM LEFT, R4L6:TOP RIGHT,

R4M6: BOTTOM RIGHT).

Confirm that the variable range of the voltage at the feedback

resister should be between –5.6volt and +5.6volt , when the GLOBALSYNC

(5 Items) control is varied.

OK Turn the monitor face to the North, South NG

West and the East.

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Caple C702G Manuel de service Page 105