Discussion about the Korg PolySix synthesizer

Would it be feasible to make a list of the errors in the
original Korg documentation, so that we could mark up the
corrections on it?


 --- The Old Crow <oldcrow@oldcrows.net> wrote: > 
>   After years of procrastinating, I spent this past
> weekend creating
> schematic and PCB files for the KLM-367A.  It has gotten
> to the point
> where it takes less time to assemble a new board than to
> repair a damaged
> one.  Thus, I will be offering new replacement boards in
> the very near
> future.  Here is an image of the layout:
> 
> http://www.oldcrows.net/~oldcrow/klm367a_img.gif
> 
>   Notice the 3V CR2032-type coin cell socket that
> replaces the evil, old 
> NiCad battery. ;)
> 
>   I known this for a long time, but I might remark that
> the Polysix
> service manual's KLM-367 schematic has a few errors.  My
> schematic is
> "correct" as it is derived from the manual's schematic
> but cross-checked
> against the actual board layout.  The result is the exact
> same circuit as
> is implemented on original KLM-367s.
> 
>   Once I build and test a few of these boards, I'll make
> a few revisions
> to better support adding in Ricard Wolf's MIDI retrofit
> as well as the
> little bit of hardware needed to support adding in my
> "2nd VCO PCB" which
> provides 2 VCOs per voice similar to the Trident.
> 
> Crow
> /**/
> 
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> 
>  

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