Vintage Synth Repair

what happens when you enter Manual mode?
On Aug 26, 2009, at 12:32 PM, imbuedblue wrote:

> I recently received a dead Korg PolySix. The battery was replaced  
> and the damaged traces were cut out and replaced with 30AWG wire.  
> Currently when the synth turns on, the LEDs briefly light up and  
> then go dark except for Program 1 and Bank 1. As they should.
>
> There is no sound, however. Only hiss. When I turn up the volume  
> pot, the hiss gets louder.
>
> The voltages all match the schematic.
>
> I suspect something is awry on the KLM-366 board.
>
> Any tips on where to look first?
>
>
>
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