Korg Poly 61 and Poly Six (6) DIY Notes

Battery Replacement:

Modifications, Korg Polysix battery leakage
Old Crow's Synth Shop: Korg Polysix Battery Repair

Source: http://www.gearslutz.com/board/electronic-music-instruments-electronic-music-production/415591-polysix-memory-issues.html

Midi Interface:

DIY Poly 61 Midi Inteface: http://www.chd-el.cz/index.php?id=464&lngid=en