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From: adam@TTIDCB.UUCP
Newsgroups: net.micro.atari16
Subject: Re: STTrouble
Message-ID: <8603081535.AA03627@philabs.uucp>
Date: Sat, 8-Mar-86 10:35:07 EST
Article-I.D.: philabs.8603081535.AA03627
Posted: Sat Mar  8 10:35:07 1986
Date-Received: Tue, 11-Mar-86 01:22:26 EST
References: <8603040212.AA00407@mit-bugs-bunny.MIT.EDU>
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Organization: Transaction Technology, Inc. (CitiCorp), Santa Monica
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(Does something still eat this line? Rn doesn't.)

It sounds like either a thermal problem in the high voltage focus (is
the de-focus all over the crt screen) or posibally (but less likely) a
thermal problem in the crt gun structure itself.  The only way to determine
if I'm right would be to disassemble the monitor and play with the focus
pot while it is warming up, or use cold spray on it after it is warm.
It is not likely to get better but may stay that way for years.  If you
can do without it for a while, send it back.  You payed to have it perfect!
Mine is OK but note that since it works at 70 Hertz, and everything around
it is 60 Hertz, it is very subseptible to magnetic field interaction.  You
will know when the picture starts moving or waving at you.  I can't have
the color monitor on (but unused) and next to the B/W (12 inches) while I am
using the B/W.  Also, keep the power blocks (transformers) away from the
monitor -- especially the back.  Move them around the monitor with it on to
see what I mean.
	Good luck.
	Ken Adam