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

Thanks to all who gave suggestions on my recently purchased Polysix
blue light special. Here is what I've done so far:

1. Power Supply was blown. Changed the lytics, diodes, and
regulators. Little did I know until today that the surge of energy
that blasted the diodes and regulators blasted a solder pad on the
+15v trace feeding the power supply connectors and was the causing
the "No Sound" syndrome. It was interesting the the +15v Test Point
read 15v solid. Until I started measuring op amp supply voltages did
I notice that they were all screwed up.

2. Changed Battery, and 74LS08 and repaired traces. Programs seem to
store intermittantly. I'll need to further investigate.

3. Changed lytics on 366 board. Planing on doing the rest.
Interesting enough, all the old lytics were in good shape and with in
tolerance.

Keep you guys posted.

P.S. I was able to find crosses to all of the regulators and
transistors. Email me if you need the crosses.