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K Service Source
Macintosh 21 Color Display
K Service Source
Basics
Macintosh 21-inch Color Display
Basics Monitor Distortion - 1
Monitor Distortion
Overview
All large-screen monitors
are susceptible to
distortions caused by
environmental conditions.
These distortions are often
not visible on monitors
with small screens.
Basics Monitor Distortion - 2
Important: Even monitors
set to factory specifications
may appear distorted when
set up in a new environment.
Common environmentally
caused distortions are shown
on this and the following
pages. Always check first for
environmental causes before
attempting to repair or
Raster Shifted Up Raster Shifted Up adjust a monitor with a
and Left and Right
distorted raster.
Basics Monitor Distortion - 3
Environmental
Influences
The following environmental
conditions may distort the
raster of a 21-inch Color
Display: