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Discussion about the Korg PolySix synthesizer

Index last updated: 2026-04-28 23:40 UTC

Message

Tunning

2018-04-13 by DAVID DEMONTIS

Hi all
Great group.I`m well into a resto of my Polysix.I`ve fitted a KiwiSix board and psu.I have replaced the paired transitorwith a 2SC1583  45G.I`ve replaced the opto coupler with a VTL5C9and I`ve replaced the three ICs 17.18 and 19.When measuring IC18 pin7 to TP5 I`m stillgetting -13v.Any suggestion on what to change next wouldbe much appreciated.
Many Thanks
Dave

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