Hi Andy

> sounds real bad. I found the service manual online but I don't really
> know where to take it to have it fixed.

Hmm, where in the world are you located I am in Munich germany and
might be able to repair it...

> Also one Key is broken. I'd like to order replacement parts, keys,
> etc. can't find a supplier.

http://www.senso.dds.nl/

Senso is a very nice guy. He has all keys on stock with exception of the
UpperEnd C.

Florian