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I HAVE HAD A QY700 SEQUENCER FOR A FEW YEARS WITH O PROBLEMS. RECENTLY,WHEN TRYING TO LOAD A FLOPPY DISK IT SAYS 'BAD DISK' I HAVE TRIED SEVERAL NEW DISKS WITH THE SAME RESULT. THE MANUAL SAYS THAT THE CAUSE COULD BE THAT THE FLOPPY DRIVE HEAD NEEDS CLEANING BUT DOES NOT EXPLAIN HOW THIS IS DONE. HOW DO I CLEAN THE FLOPPY DRIVE HEAD?? JIM DRISCOLL

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SOURCE: Technic GN3 Organ 3 1/2 floppy drive will not read 720mb DD disks

Hello,

You can change SY-FD20 floppy drive by a new one, modified to work on.
Service Manual, Schematics, pinout and floppy drives available : http://floppy.shugart.free.fr/page.php?page=materiels/technics/sy-fd20/index.htm

Posted on Dec 13, 2012

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