What is its role in the specific circuit btw ?
--- In PolySix@yahoogroups.com, "Sam Larch" <sdlarch@...> wrote:
>
> Yes. I confirmed with him. I'm having a hard time trying to find
the
> replacement piece. I'd like to build an alternative circuit
(espicially if
> they're prone to failure) but I can't even find a datasheet on the
thing.
> Have you searched?
>
> On 5/9/06, gil_we <gil_we@...> wrote:
> >
> > 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
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > PolySix "Digiest" Page:
http://www.acc.umu.se/~amber/Poly6
> > > > > >
> > > > > >
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usic&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instr
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> > > > ment&c=5&s=126&.sig=j3TK8h6GNpD5AMFN0TJA3A> Synthesizer
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> > ment&c=5&s=126&.sig=j3TK8h6GNpD5AMFN0TJA3A> Synthesizer
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