[sdiy] U-20 questions

[tomg]

Hi Tim, I used to do this all the time.. The best thing I found
was using a pencil eraser to remove any contamination formed
on the carbon...on both contacts and pads... If this didn't work
I replaced all of the key contact strips.

The switches can't be repaired .... Well you can take a wire
bit drill a tiny hole and spray a little Cramlon 5 in there.. Might
work... might not.

It's been years sense I've had to call Roland but the last time
I did I got 2-keys, key contacts and switches for the D-10.
That's about the same vintage and they had parts in stock..
Good luck

Roland USA parts....323-890-3700 x2289

Regards
Tom


> Hi All,
>
> I love the sounds on my Roland U-20 but it has two problems:
>
> 1) Funky key contacts. Many keys don't sound, or trigger a dozen times
when
> you hit the key once (a really neat effect if you could turn it on and
off).
> I pulled the rubber contact strips and used conductive ink to "re-plate"
the
> contact pattern about two years ago. This helped a little, but now the
> problem is as bad as it ever was. Is there a better way to refurbish the
> contacts, or do I just replace the contact strips? And where do I get
> replacement contact strips? I'm just using the U-20 as a sound module
right
> now, and this is a reasonable workaround, but the machine has a nice
> keyboard and I'd probably use it as my master controller if the darn thing
> worked properly.
>
> 2) A Two line LCD and four buttons do NOT make a user interface!!! Are
there
> any editor/librarians for the U-20 out there? I know Unisyn has a U-20
> 'module' but I just don't have the $200 or so right now to spare. Any
other
> choices?
>
> Thanks as always!
>
>
> Tim (more than two problems) Servo
>
> "Imagination is more important than knowledge." - Albert Einstein
>
>
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