13798RE: [midatlanticretro] TRS-80 Model II keyboard
- Aug 10, 2009Dang, I hate compures some days.
On Tuesday, June 09, 2009, Mike Loewen wrote:
>> Based on the articles I've read about rebuilding capacitive keyboards,
>> I think I can resurrect it. Unfortunately, I don't have the materials on
>> hand. I'll see what I can dig up.
> Going by hints in this article about rebuilding Sol 20 keyboards:
> ...I was 100% successful in rebuilding my Model II keyboard. I used a
> 7/16" hollow punch purchased in a set from Grizzly, a $3.00 Space Blanket
> from WalMart, a strip of 3/16" Track Foam from the local hobby store and a
> jar of Elmer's Rubber Cement. I used the punch to make 76 foam circles
> (use a drill press or a mill), then glued them to the conductive side of a
> sheet cut from the space blanket. I used the punch again to punch out the
> combination of foam and mylar circle, then glued the old plastic discs
> (after cleaning) to the back of the foam.
Any interest in making several hundred of these :-).
Seriously, out of the 8 model 16/12 keyboards I have, exactly 1 works. I'm hoping to get one more working for VCF, then sitting down and making a whole bunch of these. I don't have a drill press, but I can make them manually I guess.
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