Re: Lisa keyboard repair update

On 08/04/2010 06:54 PM, Clinton Yelvington wrote:
> Hello again, list,
>
> I wanted to let you know what I'm doing to repair my keyboard now --
> it's an arduous task, but I have about 25 keys repaired and they work
> beautifully. I bought a roll of double-sided foam mounting tape,
That's exactly what I used to repair mine.

> and
> used one of the plastic discs from one of the keys to make stencils on
> the tape. I then cut the discs out of the tape with scissors, and put
> 2 of them back-to-back. I then stuck the plastic disc on one side, and
> the foil disc on the other,

I've also had the issue where some of the original mylar disks had disintegrated. The plastic remained, but the metalized surface began to flake off.
After experimenting, I found that I could use aluminum foil, as long as I taped both sided of it over with clear tape - i.e. Scotch tape, and then cut it into disks, then attach the disk to the double sided foam tape.

> and carefully put the whole thing back
> inside the key. Every key I've done this to works like a charm. Now I
> have another issue-- somehow, the keyboard jack on the computer has
> been pushed inside the case enough that the keyboard plug won't go all
> the way in and the Lisa throws a no keyboard error on boot. It's
> probably a simple fix, but I wanted to see if anyone else has had the
> issue.
>

Ouch. Sounds like it's going to be quite a lot of work disassembling the Lisa's case far enough to get there.

> Unrelated, but I still have a working Widget drive--I'm told this
> greatly increases the value of the machine. I'm running LOS 2.1 at the
> moment.
>

Take good care of that Widget, I wouldn't use it for extended stretches of time. I'd plug the whole Lisa into a good quality UPS and leave it unplugged when not in use, avoid using it when it's very hot in the room, etc.

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