Archive of the former Yahoo!Groups mailing list: Discussion about the Korg PolySix synthesizer

May seem strange but make sure the Normal/Test switch is not installed backwards. From your led description of each setting it sounds like this could be the case. The new switch is not labeled "Normal/Test" and likely says "Open" on one side and "1 2" on the other. The "Open" side of the switch should be "Normal" and the "1 2" side should be "Test."