[sdiy] Korg Polysix - now weirdness
elektrodwarf at yahoo.se
Thu Nov 20 19:19:58 CET 2008
Well i think that one oscillator might be shot, i installed another voice-board and it took me 5 minutes to tune the whole thing.. It seems like it's now working just great! Now to find a contemporary replacement for the battery-holder, the radioshack part given on old crow's site is gone i guess so anyone know of a Mouser partnumber that works?
--- Den tors 2008-11-20 skrev Nate Reeves <djservs at comcast.net>:
> Från: Nate Reeves <djservs at comcast.net>
> Ämne: Re: [sdiy] Korg Polysix - now weirdness
> Till: "Synth-DIY DIY" <synth-diy at dropmix.xs4all.nl>
> Datum: torsdag 20 november 2008 17.11
> I think you use the low C and high C to tune it, i cnt
> remember it wasnt fune to tune, i guess it doesnt have an
> auto tune function?
> i like the matrix 6 or 6 trak as they have an auto tune
> procedure but yea you have top connect a tuner to the poly
> On Nov 19, 2008, at 7:59 PM, Karl Ekdahl wrote:
> > Thanks all for your replies.
> > It turns out that the dude who "repaired"
> the polysix before me managed to install each and every
> diode in the scanning matrix backwards... ...wow...
> > Anyway it's supposeably "working" now
> but now i'm in tuning-hell. I managed to get all voices
> to tune up fairly well despite the service manuals pretty
> crappy description (by "Play C6 and adjust VR11 to
> 0Cent" they mean 4186hZ - right?) except for one voice
> that totally refuses. Basically there's no more
> "turn" on the low-tune pot and i cannot get it to
> work. Does it seem like my Oscillator #3 (that refuses to
> tune) is busted somehow to anyone but me?
> > Furthermore the service manual doesn't mention
> VR14 (D#4-E4 ADJ) or VR15 (tune mid). Also, the switch which
> is talked about on tuning step 1: "Change circuit board
> slide switch to opposite position (away from VR1)"
> doesn't seem to change anything, i'm guessing
> "away from VR1" means the back position, towards
> the rear. VR1, VR3 and VR15 also makes the pitch
> "slide" when i turn them, but i'm guessing
> that's normal. VR14 (D#4-E4 ADJ) doesn't seem to be
> affecting much of anything.
> > Arghhh three hours just on trying to tune this
> @!@#$!@ thing...
> > Thanks
> > Karl
> > Sök efter kärleken!
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