From: "Chuck Guzis" <cclist at
sydex.com>
The following site seems to think that you can use junker Sun 4 keyboards
for parts:
http://www.thebattles.net/sol20/keyboard.html
--Chuck
Hi
Some types of foam don't last long. I wonder if one
could make some with closed cell foam instead. It
last much longer but is a little stiffer than the
foam that they seem to be using.
If it is a capacitive you should be able to make
new capacitors with some aluminum foil and clear
tape.
Just my thoughts
Dwight