>Hi,
> Hi!
>
> Could be a few things:
> Wave converter chip creates the saw/square
> One of the filter chips
> VCA that controls the filter level
>
> Hope for the last one, since that's just one of the IG00151 VCA chips
> that are all over the CS80 - and other Yamaha synths and organs - and
> pretty easy to get.
>
> Should be very easy to trace with a scope - or even a amplifier if
> you're low tech. Where are you located?
>
> David<<<<
Thanks for the tips. I live in North Florida.