Hi Nick,
I have tried with some success a product called "Electro-Cure" (I think),
which can be bought from Halfords for about 7 UKP a bottle. This is a
conductive paint for repairing rear window demister elements on cars, so
the brush you get with it is far too big for fixing the Duo keyboard
elements. I had some success with a cocktail stick - I guess if you could
find a very very fine modeller's paint brush it would be even better.
In addition you will also need a continuity tester to confirm that you have
repaired a broken track and to locate the ones that are not immediately
obvious to the eye.
This is a very time-consuming process, but quite rewarding if you like
resurrecting old kit.
As you probably know the keyboards are the worst feature of all Duos, so
getting 100% of the keys working 90% of the time is probably the best you
will manage.
I have also heard of people stiffening the keyboard to improve its reponse,
but have no further info. on this.
Michael
-----Original Message-----
But the other enduring problem is that some of the keys do not work. I have
taken the keyboard apart and it seems as though it functions by means of
forcing two electronic tracks together, bits of which have been worn away.
Does anyone know if it is fixable, by painting conductive paint on the
reduced areas?
----------
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