But looks more 1970s . Anyone familiar with strange transistor. capacitor markings etc and these IC markings such as "X2 080" ,"X8 761" ,"TL 761" (not opto) ,"X8 082" ,"X6 081" ,"X6 082" all 8 pin and 16 pin V4007D (not CMOS 4000)
-- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on
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