Summary: Monitor too bright

From: John Valdes (
Date: Fri Dec 13 1991 - 16:18:39 CST

Earlier I had asked:

>We have a 19" color monitor (Sony Trinitron, model# GDM-1955A15) on a 4/330
>which seems to be getting brighter by the week. When the brightness control
>knob on the front is set at the minimum brightness level, the monitor is
>almost as bright as it was when the knob was set at maximum when the monitor
>was new. Is the monitor on the verge of failure, or does it only need a
>simple adjustment? If the latter, what needs adjusting? (In detail, and yes,
>I'm aware of the high-voltage hazards.) The monitor, by the way, is about two
>years old, and is usually left on except during weekends.

All respondents suggested that the monitor is on its way out. Not only will
the excess brightness burn-out the phosphors, it can also be an X-ray hazard.
I decided to replace it instead fiddling with it. Thanks to those who

Forrest Cook <cook@stout.atd.ucar.EDU>
Lewie Wolfgang <>
ames!!oran@ncar.UCAR.EDU (Oran Davis)

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