[sdiy] A part for a CS20M

John Henson synthnerd at eircom.net
Mon Jul 1 18:14:51 CEST 2013

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?


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