Sol-20 Keyboard

From: Lawrence LeMay <lemay_at_cs.umn.edu>
Date: Mon Jun 21 11:46:29 1999

> > I took the keyboard apart last night and found both the sponge
> > disintegrating and the metalized plastic that contacts the keyboard also has
> > the metalization disappearing. Since I believe this is a capacitive type of
> > keyboard, I can see why it didn't work. What have others on the list done to
> > replace the plastic/sponge sandwich on this type of keyboard?
> >
>
> Sounds like a Keytronics capacitive keyboard. They're very common on all
> sorts of machines. There are even some PC-clone ones out there.
>
> The 'sandwich' is a pair of plastic disks, the lower one metalised on the
> back (foam) side which clip into the ends of the key plungers. It's easy
> to get them out.
>
> Fortunately, these sandwiches seem to be the same on all such keyboards.
> Last time I needed to repair one, I bought a suitable second-hand PC
> keyboard and raided it for spare parts.
>
> -tony
>

keytronic still sells the pads for these keyboards, at 10 cents each,
or 9 cents each for 1000 or more. (800) 262-6006, selection 5 at the
menu. Its part number 52535-1

I'm planning to order some to repair my 20+ year old Terak keyboards.

-Lawrence LeMay
 lemay_at_cs.umn.edu
Received on Mon Jun 21 1999 - 11:46:29 BST