Apple Multiple Scan 20 Display Spezifikationen PDF herunterladen (Seite 19)

Troubleshooting First Checklist - 3

A maladjusted screen can mimic the symptoms of

main deflection board or CRT failures.

By performing the adjustment procedures, you might determine if

one or more of the adjustments is the cause of the problem.

CRTs rarely fail.

Needless CRT replacement can be prevented by checking display

adjustments, checking the possibility of other defective modules,

and accepting small imperfections in screen display.

If you have any doubts about whether a CRT is defective, contact

Apple Technical Support.

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Apple Multiple Scan 20 Display Spezifikationen Seite 19