From German ECA databook listed as Ge equt to 1N34
This is continuing saga of 2 old Japanese radios that owner removed from
forgotten make & model cases and put in something else. One stopped working
a long time ago and the other just recently. I've repaired one so can
compare cold and active so no great problems.
Only marking on pcb is MEP 16 issue 6 , probably 1972 using Toshiba Ge
transistors and italic f, so probably Fairchild, Si transistors but
otherwise all else is Japanese.

This detector diode is o/c , is the black dome top / brown cylinder body
with Fairchild f logo and probable date code of 214. But it is obviously
made as a transistor with one leg crudely snipped off and .75V forward
voltage between the stump and one other pin. Obviously I will replace with a
Si signal diode but just curious , can anyone work out what is going on with
the labelling & Si/Ge business.


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