[sdiy] A part for a CS20M
grant at musictechnologiesgroup.com
Mon Jul 1 18:30:47 CEST 2013
OMG, why would they make a custom chip for a relatively standard
function like this? What's the COM line hooked up to in the synth? Or
better yet is there a link to the CS20M schematic? I imagine there would
be a standard chip workaround, however the amount of work required
remains to be seen.
On 7/1/2013 9:14 AM, John Henson wrote:
> Hi all,
> I am looking for a chip for a Yamaha CS20M, it is called a YM617 on
> the chip, and the Yamaha IC guide calls it a YM61700, it is a serial
> multiplexer, and the failed one runs the patch selection LED's.
> Does anyone have any of these, or knows where to get them?
> Synth-diy mailing list
> Synth-diy at synth-diy.org
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