Hello J.G.

The ocateve-switching has its own trimming potentiometer. It should be
not too difficult to do the correction:

I descriebd it at
http://fa.utfs.org/diy/korg_monopoly/vco_adjustment.html
read the setting for Trimmer VR101

This file...
http://fa.utfs.org/diy/korg_monopoly/mp_16_klm_354_layout_TRIMMERS.jpg
...shows the VCO-pcb as you look at it from the rear side (as you look
at it, when you open the synth). The trimmers for the octave switches
are the ones at the most upper and most lower boarder of the board - I
named them "Scale Octave Switch".

If you think, you won't be able to do this on your own, then any
electronically gifted person should be able to setup your synth with
this description.

Florian

namdoogpdx schrieb:

> Hey Y'all,
> All of a sudden OSC 2 and OSC 4 won't stay in tune. On certain
> octaves one or the other will stay in tune but if you go up or down
> they gradually begin to drift. For some reason, keeping the effects on
> seems to help a bit but I don't want to use X or Frequency mod 100% of
> the time...totally sucks.
> I always let my Mono/Poly warm up for 20 minutes at least before
> I even touch it, and after that OSC 1 and 3 stay perfectly in tune.
> This is really frustrating, since I've only had this synth for 6
> months and it worked fine up until just recently. I'm very gentle with
> my keyboards and don't have problems with any of my other synths. Has
> anybody out there had this same problem I know nothing about
> synthesizer repair so I also need to ask if this is repairable or if I
> am screwed. Any and all help or advice would be greatly appreciated!
>
> Thanks, everyone!
>
> -J.G.
>
>
>
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