Tandy 3 - test-drb@ccmp.vtda.org

6 Sep 1998

It's not a newer version.  My TRS-80 Model III also has 48K.  It was the
top-of-the-line Model III.  When I first got mine, it had been sitting in a
basement for 2 years, and the basement had been flooded when the septic
tank backed up.  when I cleaned it all out, and turned it on, I had the
same problem with the screen.  I gave it a good, solid whack on the back,
and it's been working fine ever since (not too hard, though -  you don't
want to put a hole in the back).  I think that the problem may have been
that a couple of the chips got either corroded or slightly unseated, and
smacking the back of it reseated them.  That may not be your problem,
though.
--       
         -Jason
(roblwill(a)usaor.net)
   ICQ#-1730318

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...
  From: oajones &lt;oajones(a)bright.net&gt;
 To: Discussion re-collecting of classic computers
&lt;classiccmp(a)u.washington.edu&gt;
...
  Subject: Tandy 3
 Date: Sunday, September 06, 1998 11:17 PM

 I was given an old Tandy 3 microcomputer. The button on the right side
 of the keyboard says "48K." Was this computer a newer version of the
 TRS-80 Model III? I am going to try and restore this computer. Right now
 it has a video problem. The screen lights up and has zig-zags on the
 screen. Also the contrast and brightness knobs are frozen and move just
 a little bit left or right.

 --Alan 