In case this is what he ment by "opto" I guess (?)
--- In PolySix@yahoogroups.com, "Sam Larch" <sdlarch@...> wrote:
>
> PC-1
>
> On 5/8/06, gil_we <gil_we@...> wrote:
> >
> > Which part number would it be on the circuit board ?
> >
> > thanks
> >
> >
> >
> >
> > --- In PolySix@yahoogroups.com, "Sam Larch" <sdlarch@> wrote:
> > >
> > > Is the "OPTO" you speak of the photocoupler? I'm having a
little
> > trouble
> > > locating the replacement part. Do you have the NTE replacement
> > number - or
> > > where I could find one?
> > >
> > > Also - what causes them to go bad? Could another cirucuit
replace
> > the opto?
> > >
> > >
> > > On 5/6/06, darke_one666 <darke_one666@> wrote:
> > > >
> > > > Hi all,
> > > >
> > > > I keep seeing messages posted regarding tuning etc. I can
pretty
> > much
> > > > promise you all that this is caused by the opto on the KLM366.
> > > > Within the last year I have repaired 5 pcb's all suffering
from
> > the
> > > > same problem, ie tuning C6 is ok but when you line up C2 to
be at
> > the
> > > > correct pitch , the octaves are not correct. I've also see
units
> > that
> > > > play an octave over 11 notes C2-B3, not enough range on the
pots
> > to
> > > > tune up just to name the common ones. From now I dont even
bother
> > > > trying to tune a P6 without swapping the opto as you will most
> > likely
> > > > be wasting yourtime. If you need a pdf copy of the service
manual
> > email
> > > > me at ibradshaw@ also if you need any tips let me know.
> >
> > > >
> > > > I have really spent a lot of time last summer figuring how
these
> > units
> > > > tick and learnt just about everything I could. I've worked
> > > > professionally (if that's how you spell it!) repairing synths
> > over the
> > > > last 18 years and specialise in Korg, Ensoniq, Kurzweil and
Alesis
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
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