all right folks needing some help hear. my new bench project has mystified me .i cant figure out what it is to even start finding a diagram, picked this in a lot of keyboards from a storage unit buyer he has no idea ether.
any help would be appreciated.
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Looks like a maxi korg 800dv
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Keio is old KORG. O.O
^ i agree with @CTorp - Maxi 800DV
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i think you all are right .now i just have to find a wiring diagram. thank you all for your help. i love this community .
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apparently a rare machine, in decent shape worth over $2-3k.
Pretty sweet hope you get some sounds from it.
2 osc/2sub duophonic and
4VcFs which are those Ic201012 chips
Source: Korg 800DV - cykong.com
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thank you for the diagram. i can tell that one voice is missing that’s the card that’s not there. now to start tracing power .
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I don’t know where you live, but if the transformer is meant for Japanese mains it’s 100v AC but still has “American” plug (I have no idea where the plugs actually originated)
The label says IC but I’m not sure I’d call them chips 
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