Discussion about the Korg PolySix synthesizer

I suggest that you do replace PC-1 as for the tuning problems.
With a well functioning P6 there should be no problem getting it in
correct scale as long as you do it right.



--- In PolySix@yahoogroups.com, "bildfantomen" <monke@...> wrote:
>
> After reading through some of all the messages posted here, I've 
realized that my problem 
> might not be the opto-converter. PC-1. I might replace it anyway, 
If I just could get some 
> instructions on how to do it.
> But anyway, my problem with me polysix is this.
> 
> When i bought it it was in a slighty degenerate state, one 
occilator was out, and it was out 
> of tune.
> I managed to replace the IC on the occilator so that works, and now 
the main problems 
> are:
> 1:
>  i can't get it in tune. I managed to get 1,5 octaves in tune in 
the 8' setting, but as soon as 
> a turn it to 16' or 4' it's out of whack. Especially in the 
extremes. So playing chords in the 
> middle works fine (even if i play the same pitch in 16' or4') but 
i'd say the lower3:rd and 
> the upper3:rd of the keyboard is way out of tune. An octave can 
differ up to an octave and 
> a ters (third). Have I missed something. Or could this problem be 
the PC-1?
> 
> I've followed the tuning process in the service manual to the 
letter, but i can't quite get it 
> in tune. All the trimpots have been checked as well. They all check 
out with the correct 
> voltage.
> 
> 2:
> Sometimes when i've got the arpeggiator running and i fiddle around 
with the filters or the 
> adsr the arpeggio tempo varies. quite a lot sometimes, it's almost 
stopping and then 
> slowly gaining speed again. What could this be?
> 
> I have yet to bombard the pots with some contact-spray, but they 
are not to glitchy.
> 
> Any suggestions would be greatly welcomed.
>