VT131 needs keyboard help

From: Ethan Dicks <erd_6502_at_yahoo.com>
Date: Tue Jan 29 08:50:57 2002

--- Christopher Smith <csmith_at_amdocs.com> wrote:
> > -----Original Message-----
> > From: Ethan Dicks [mailto:erd_6502_at_yahoo.com]
> >
> > Dead chip in the keyboard, usually. We never fixed them when I used
> > VT100s on a daily basis.
> Do you know anything about the type/location on the board of this chip?

Nothing. As I said, we never fixed them. I have put wires on CPU
backplanes, constructed Unibus and Qbus and VAXBI boards from parts,
but I have never had the reason to open a VT100 keyboard and look inside.
> Hmm.. VT100 keyboard schematics, anyone? :) I'd really like to make this
> into a console for my PDP-11.

Never seen keyboard schematics. I have some manuals for some of the
terminals, but I don't recall that the keyboards are really mentioned.

I know it's not what you want to hear, but they really were disposable.
Expensive, but disposable. I think people might have swapped switches
if they were physically broken (keystems snapping off or the leaves in
the switches getting bent from vigorous keytop insertion), but I do not
have a single memory of anyone attempting electronic repair 20 years ago.


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Received on Tue Jan 29 2002 - 08:50:57 GMT

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