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Sony MP-F51 floppy drive - check and adjust alignment?

RickNel

Veteran Member
Joined
Apr 24, 2009
Messages
641
Location
Canberra, Australia
Does anyone know how to get a Mac floppy drive (Sony MP-F51) to run continuously so that disk alignment can be checked and adjusted? I have schematics, but it is not clear what combination of signals are needed at the connector to start the spindle and keep a data read going, so that signal strength can be monitored with an oscilloscope.

I'd most prefer to do this on a bench, but if necessary will try it while attached to a working system.

FWIW I think alignment may have been lost during disassembly for cleaning and lubrication - it is held only by a single screw that locks the track 0 optical sensor in place.

Any recommendation would be welcome..

Rick
 
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