Maybe you could contact Ko from modeless factory.  He is ace in servicing them ;-)

On Sep 14, 2015 6:27 AM, " voltagegrove@... [korg_mono-poly]" < korg_mono-poly@yahoogroups.com > wrote:

 

Hey Guys,

       So its a bit of a long story to give you all the details but here is the abridged version.  I went to install the MidiPoly kit and there were many issues right off the bat.  When troubleshooting I had accidentally shorted the + and - 5v coming from the pitch and mod wheels.  It blew the two fuses that sit on the back board.  One replacing the fuses, all Oscillator were drastically out of tune and seemed to be out of phase as well (not all triggering together regardless of any control tests).  After this had happened I decided to take it to a tech to get checked out.  So far so good, Midi, pitch/mod wheels and tuning are all on point. EXCEPT for oscillator 4.  For some reason he has not been able to get OSC4 up to par with the other 3.  He seems to know what he is doing, but the workload in diagnosing the origin of the problem is racking up hours.  I was hoping that someone could guide us in the proper direction.  I would really greatly appreciate it any and all help. Thanks

Jarrett