Vermona SK86
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This EPROM set stems from a working specimen of the Vermona SK86 music keyboard made in GDR.

CAUTION: All cable connectors inside SK86 are unmarked, thus write down their exact positions or make photos before you take anything apart. Plugging them wrongways may destroy the electronics.


layout
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top PCB (top to bottom)

BS 4.5.1
BS 3.5.2
BS 2.5.1
BS 1.5.3

All top eproms are "ET 27160-1".


bottom PCB (top to bottom)

WJ         WH *
WJ 6,7 *   WH 0,1 *
WJ 4,5     WH 2,3
WJ 2,3     WH 4,5
WJ 0,1     WH 6,7

*) These 3 eproms were missing the stickers, thus numbering was concluded from the others. All bottom eproms are "MME U2710C45" except "WH 0,1" is a "U2710C39".


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(   Culture preservation is not crime. It's a human right!  )
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