Yamaha CS80

Funny, I was just doing the same with my Jupiter-8 this morning: touch the DVM probe to pin 2 of IC 2B on the voice board and the pitch rises.



--- In yamahacs80@yahoogroups.com, "Quazimodo" <noddyspuncture@...> wrote:
>
> Hi guys, wonder if anyone has had this one before... thought I'd ask first in case anyone could point me to it.
> 
> I just started to have a go at my out-of-tune 'M' card.
> CP6 reads 0.5volts - when all the others read around 1.4volts
> 
> The voice is out of tune, and low in pitch. When I play that voice and then measure CP6, the pitch rises due to my meter prong's contact.
> 
> (I was thinking one of the FET's or IC7..?)
> 
> Cheers,
> TOM
>