The Kawai & Teisco Analog Synths Group

Can you describe the problem more precisely ?



--- In kawai-teisco@yahoogroups.com, "jfloydhumanoid"
<capstoneliving@...> wrote:
>
> --- In kawai-teisco@yahoogroups.com, "gil_we" <gil_we@> wrote:
> >
> > We're still looking for one. The only scans that I managed to get 
> was
> > of the main CPU board... (in the Files section)
> > 
> > 
> > 
> > --- In kawai-teisco@yahoogroups.com, "jfloydhumanoid"
> > <capstoneliving@> wrote:
> > >
> > > I bought it new in '84, gigged with it a few years, got married, 
> & just 
> > > dug it out of storage a few months ago.  Of course the patch 
> memory was 
> > > gone, but amazingly the Ni-Cd battery hadn't leaked.  I replaced 
> it, 
> > > loaded the factory patches, & it fired right up!  It's in great 
> shape, 
> > > except for a sort of 'garbled' artifact in sounds with the filter 
> > > somewhat stopped down.  If the filter cutoff is all the way open, 
> it's 
> > > not present.  Anybody have a PDF (or other form) of the service 
> > > manual?  I'd be happy to send $ for your trouble...
> > >
> >
> Thanks for looking, Gil...  Anybody have any suggestions where I 
> could point my scope probe & discover the origin of this 
> unwanted 'distortion'?  I'm not afraid to troubleshoot without a 
> schematic...you can't be timid & repair 'vintage' electronics.
> - J -
>