Discussion about the Korg PolySix synthesizer group photo

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Discussion about the Korg PolySix synthesizer

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Message

Re: This is the solution to most tuning problems

2006-05-09 by gil_we

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
> > > > > >
> > > > > >
> > > > > >
> > > > > > SPONSORED LINKS
> > > > > >   Electronic instrument<http://groups.yahoo.com/gads?
> > > >
> > 
t=ms&k=Electronic+instrument&w1=Electronic+instrument&w2=Synthesizer+
m
> > > >
> > 
usic&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instr
u
> > > > ment&c=5&s=126&.sig=j3TK8h6GNpD5AMFN0TJA3A> Synthesizer
> > > > > > music<http://groups.yahoo.com/gads?
> > > >
> > 
t=ms&k=Synthesizer+music&w1=Electronic+instrument&w2=Synthesizer+musi
c
> > > >
> > 
&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrumen
t
> > > > &c=5&s=126&.sig=tmTLRMUurlUEhehue_lx3A> Electronic
> > > > > > music<http://groups.yahoo.com/gads?
> > > >
> > 
t=ms&k=Electronic+music&w1=Electronic+instrument&w2=Synthesizer+music
&
> > > >
> > 
w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrument
&
> > > > c=5&s=126&.sig=PkktJzelnl06zWnwP49VaA>  Music
> > > > > > sampler<http://groups.yahoo.com/gads?
> > > >
> > 
t=ms&k=Music+sampler&w1=Electronic+instrument&w2=Synthesizer+music&w3
=
> > > >
> > 
Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrument&c=
5
> > > > &s=126&.sig=gWsxSSKEGxZQckBqBLtSXg> Electronic
> > > > > > musical instrument<http://groups.yahoo.com/gads?
> > > >
> > 
t=ms&k=Electronic+musical+instrument&w1=Electronic+instrument&w2=Synt
h
> > > >
> > 
esizer+music&w3=Electronic+music&w4=Music+sampler&w5=Electronic+music
a
> > > > l+instrument&c=5&s=126&.sig=0ggbCcIf2B7r1P8g9cEGtw>
> > > > > >  ------------------------------
> > > >
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> > > > >
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> > > > > [Non-text portions of this message have been removed]
> > > >
> > > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6
> > > >
> > > >
> > > >
> > > > SPONSORED LINKS
> > > >   Electronic instrument<http://groups.yahoo.com/gads?
> > 
t=ms&k=Electronic+instrument&w1=Electronic+instrument&w2=Synthesizer+
m
> > 
usic&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instr
u
> > ment&c=5&s=126&.sig=j3TK8h6GNpD5AMFN0TJA3A> Synthesizer
> > > > music<http://groups.yahoo.com/gads?
> > 
t=ms&k=Synthesizer+music&w1=Electronic+instrument&w2=Synthesizer+musi
c
> > 
&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrumen
t
> > &c=5&s=126&.sig=tmTLRMUurlUEhehue_lx3A> Electronic
> > > > music<http://groups.yahoo.com/gads?
> > 
t=ms&k=Electronic+music&w1=Electronic+instrument&w2=Synthesizer+music
&
> > 
w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrument
&
> > c=5&s=126&.sig=PkktJzelnl06zWnwP49VaA>  Music
> > > > sampler<http://groups.yahoo.com/gads?
> > 
t=ms&k=Music+sampler&w1=Electronic+instrument&w2=Synthesizer+music&w3
=
> > 
Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrument&c=
5
> > &s=126&.sig=gWsxSSKEGxZQckBqBLtSXg> Electronic
> > > > musical instrument<http://groups.yahoo.com/gads?
> > 
t=ms&k=Electronic+musical+instrument&w1=Electronic+instrument&w2=Synt
h
> > 
esizer+music&w3=Electronic+music&w4=Music+sampler&w5=Electronic+music
a
> > l+instrument&c=5&s=126&.sig=0ggbCcIf2B7r1P8g9cEGtw>
> > > >  ------------------------------
> > > > YAHOO! GROUPS LINKS
> > > >
> > > >
> > > >    -  Visit your group "PolySix
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> > > >  ------------------------------
> > > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
> >
> >
> >
> >
> > PolySix "Digiest" Page: http://www.acc.umu.se/~amber/Poly6
> >
> >
> >
> > SPONSORED LINKS
> >   Electronic instrument<http://groups.yahoo.com/gads?
t=ms&k=Electronic+instrument&w1=Electronic+instrument&w2=Synthesizer+
music&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+inst
rument&c=5&s=126&.sig=j3TK8h6GNpD5AMFN0TJA3A> Synthesizer
> > music<http://groups.yahoo.com/gads?
t=ms&k=Synthesizer+music&w1=Electronic+instrument&w2=Synthesizer+musi
c&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrume
nt&c=5&s=126&.sig=tmTLRMUurlUEhehue_lx3A> Electronic
> > music<http://groups.yahoo.com/gads?
t=ms&k=Electronic+music&w1=Electronic+instrument&w2=Synthesizer+music
&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrumen
t&c=5&s=126&.sig=PkktJzelnl06zWnwP49VaA>  Music
> > sampler<http://groups.yahoo.com/gads?
t=ms&k=Music+sampler&w1=Electronic+instrument&w2=Synthesizer+music&w3
=Electronic+music&w4=Music+sampler&w5=Electronic+musical+instrument&c
=5&s=126&.sig=gWsxSSKEGxZQckBqBLtSXg> Electronic
> > musical instrument<http://groups.yahoo.com/gads?
t=ms&k=Electronic+musical+instrument&w1=Electronic+instrument&w2=Synt
hesizer+music&w3=Electronic+music&w4=Music+sampler&w5=Electronic+musi
cal+instrument&c=5&s=126&.sig=0ggbCcIf2B7r1P8g9cEGtw>
> >  ------------------------------
> > YAHOO! GROUPS LINKS
> >
> >
> >    -  Visit your group "PolySix 
<http://groups.yahoo.com/group/PolySix>"
> >    on the web.
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> >  ------------------------------
> >
> 
> 
> [Non-text portions of this message have been removed]
>

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