Have you considered removing the knob and removing it from the board, and
rebuilding the pot? Clean it all with contact cleaner/tv tuner cleaner,
I did this for some radio push buttons (the super long ones that turn on and
off like 8 circuits) inside an old graphical equalizer and the thing is like
Sent from your iPhone.
> On Aug 12, 2017, at 1:14 AM, Ian McLaughlin <i...@platinum.net> wrote:
> Hello all,
> Does anyone have a suggestion for a replacement contrast potentiometer for a
> model 100? I have a machine that was working until someone ‘over-adjusted’
> the contrast knob and it now spins freely, and therefore doesn’t work. It’s
> not a mechanical issue with the screw and the knob, but rather inside the
> mechanism itself.
> I tried a quick scan of Digikey but I can’t find anything with remotely the
> same form factor. Wondering if anyone knows of a source for these, or has
> managed a repair with a substitute?
> Thanks for any guidance.