Hi Daniel, James,
Sometimes the contacts just need cleaning...
Sometimes the carbon contacts are beyond repair due to
chemical changes within the pad or bungled efforts to
fix the contacts.
I have a MonoPoly which I have had fron new (1982) and
cleaning with Isopropanol seems to work well for both
the rubber pads and the circuit board contacts (but
only gently clean the circuit board contacts and dry
them immediately and carefully.
On the other hand I recently acquired a Poly 61 and
its contacts had been mishandled badly by a previous
owner (he had glued aluminium foil to the contacts
with super glue). I managed to reconstruct these using
a repair kit from ITW Chemtronics
(www.chemtronics.com) which is a two-component
adhesive with graphite powder mixed in. The resukts
are very good. The downside is the price of the repair
kit and that it has to be used within 2 days after
mixing. These kits are meant for service centres that
repair mobile phone or TV remote keypads. So if you
need one make sure you have a lot of friends that need
there TV remotes fixing ;^)
Regards
Phil
--- James Sevic <
springpan@...> schrieb: >
> Daniel,
> These Korg keyboards (Poly 800, DW6000, 8000, etc.)
> all use a Panasonic-made keyboard which has the
> spring-loaded keys resting on top of a springy
> rubber dome-like device with a carbon disk in it
> which compresses and touches the PC board contacts
> under it to make the sounds. Either the carbon disk
> is dirty or the rubber dome could be damaged in some
> way. I have a Poly 800II that had a crushed rubber
> piece under one of the black keys which I had to fix
> by pulling a similar one off of a crappy Casio
> keyboard and gluing it in place. See this web page
> for information on cleaning your DW8000:
>
http://www.oldcrows.net/~oldcrow/synth/korg/polysix/keyclean.html > They are pretty easy to take apart- don't be afraid,
> just do it! I'm pullin for ya! Happy plinking.-JIM
> Daniel Maturana wrote:Hi there. I've got a DW8000
> and it's working well save for the keyboard. The
> keys just don't respond very well, and one of them
> doesn' respond at all.
> Has anyone else had this problem? Is it just dirt in
> the contacts or
> something? How could I fix it?
> thanks,
> Daniel
>
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