[sdiy] Early Ensoniq Mirage DSK-8 schematics

Rutger Vlek rutgervlek at gmail.com
Fri Sep 9 17:00:49 CEST 2016

Hi guys,

does anyone have schematics for the early Mirage DSK-8? I'm struggling with a sound generation problem. Basically, I'm not getting any from the voice mux (4051), before the CEMs. I swapped out the DOC chip for a 'new' one, but no luck.

I found a schematic dated 10-17-1985, but that seems different from the DSK-8 I'm looking at. It has a -8V rather than a -12V supply line. And it has double the amount of LM318 opamps for the conversion of the DOC chips DAC output (+sig and -sig), and double the LM318s for the volume feedback circuit from and to the DOC IC.



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