This is an FM synthesis machine. I assume with vlsi chips etc. I haven't seen one inside yet. 18 or 9 voice depending on stacking of 'oscillators' at 1 or 2 per voice. 2 - 4 op FM synthesis.
I have no idea what is in these. I imagine a lot of discrete parts so let me know if you need something. ALSO please let me know if you can send a photo as shows up on my 'key' link above. I don't know what keys it takes.
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