http://tabalabs.com.br/videogames/atari/controle_5200/ - that is how I solved this problem
2018-05-02 15:02 GMT-03:00 Paul Koning via cctalk <cctalk@classiccmp.org>: > > > > On Apr 29, 2018, at 11:44 PM, Tony Duell via cctalk < > cctalk@classiccmp.org> wrote: > > > > ... > > It's not cheap (and IIRC you have to use the whole lot in one go), but > > Chemtronics make a kit to repair such keypads. Possibly worth it for > > a useful instrument though. > > > > In the UK you can get it here : > > > > https://uk.rs-online.com/web/p/conductive-adhesives/3888673/ > > > > and I guess it's also available across the Pond. > > > > -tony > > It is, and for less money. The various electronic and industrial supply > outlets carry it, for example Newark, Digikey, and MSC Direct. Digikey > sells it for $23, that's significantly better than 23 pounds... > > The Aquadag approach looks interesting, but that may not be as reliable. > That seems to be a conductive coating intended for rigid objects like CRTs, > as opposed to a substance intended to repair rubber keypads. > > So if my graphite cure doesn't last, it sounds like the Chemtronics > products is the next answer. > > Thanks! > > paul > >
