Epson 5.25" floppy drive alignment
I'm attempting to restore an old Kaypro IIx with Epson SD-521 5.25" floppy
disk drives (DSDD). One drive works fine, but the second drive is misaligned. I just purchased an analog alignment diskette but I'm not sure which test points should be used. On the drive there is a set of three pins marked TP1, another set of three pins marked TP2, and a single pin labeled TP3. I'll need to find both head signals to adjust the radial head alignment, the index sensor signal to test the index sensor, and the track 0 detector signal. Are floppy drives standard enough such that they use the same names for the test points? Or, does someone know how/where I could find documentation on this drive? Finally, what exactly is the f and 2f signals on the alignment disk? Thanks, Matt [mkath at charter dot net] |
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