Vintage Synth Repair

no schematics? diagrams? for cs01II by the way and yes there is a
schematics diagram for the first model but looking at it it seems that
the latter model seems to use a bunch of different parts. If I had the
schematics for the II that would be very helpful. Can anyone help me
out with that?

--- In vintagesynthrepair@yahoogroups.com, "sothatswhereiwent"
<sothatswhereiwent@...> wrote:
>
> Ok - next question: where can I get the schematics? Can I get them
> anywhere online? And while I'm at it is there a way to beef up the
> LFO? Can I somehow make the breath control knobs give it extra LFO
> depth and width? Someone told me somewhere that I just need to
> exchange some resistors or add some extra pots. Dunno. would be cool
> if I could do that.  
> --- In vintagesynthrepair@yahoogroups.com, "Scott Nordlund"
> <gsn10@> wrote:
> >
> > >Hello, everyone! I have found an old yamaha CS01 synth in a pawn shop
> > >and it worked fine so far until I borrowed to a friend and he had the
> > >really stupid idea to hook a walkman into the breath control, hoping
> > >to get some weird filter effects out of it and of course screwed it
> > >all up! Long story short - it now has a flaw/feature Every time (and
> > >only then) when I flip that switch below the mod/pich wheels to vcf
> > >modulation and the mod wheel is set to 0, the filter(?) sounds gritty
> > >and distorted which sounds kinda cool but I want to fix it now
because
> > >it's DEFECT and not a mod of mine! So where should I look? What
should
> > >I look for? I have a multimeter and nuff experience to replace some
> > >caps and resistors and such. Just need someone to show me where to
> > >start and what to look for.
> > 
> > The breath controller input probably expects a resistance to be
> applied, not 
> > a voltage- I'd imagine it blew the first transistor, op amp, or
> whatever 
> > after the breath controller input.  You'll likely need schematics to
> figure 
> > it out.
> > 
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