The Yamaha AN1x Synthesizer mailing list

It might not have to get that expensive to fix though, i heard of one
with similar problems, and it was just a cable connector that had come
loose inside it.

--- In AN1x-list@yahoogroups.com, "Ed Edwards" <edward.edwards@v...>
wrote:
> Yours is an easily diagnosed problem but you'll need technical
knowledge to fix
> it.  The keyboard circuitry has what's called a diode matrix and one
5 cent
> diode has blown.  Problem is someone needs to find which one and
replace it.