But looks more 1970s .
Anyone familiar with strange transistor. capacitor and these IC markings
such as
"X2 080" ,"X8 761" ,"TL 761" (not opto) ,"X8 082" ,"X6 081" ,"X6 082" ,
V4007D (not CMOS 4000)

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Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/