Apple Floppy Drives (Repairs)

From: Ernest <ernestls_at_home.com>
Date: Sat Nov 10 20:07:30 2001

> > Somewhere in my extensive stash of apple goodies, I do have some
> > genuine alignment disks but are useless to anyone unless you have an
> > ocilloscope hooked up and know what you are doing. Anyone can adjust
> > the rotation speed, however.
>
> Yep, all that is needed is a small screwdriver and a copy of Copy ][+.

I have Copy II+, as well as the Datalife Disk Drive Analyzer for "all Apple
II and Apple III series drives." I guess the Apple III has to be in
emulation mode though. The tests that it runs are:

Radial Alignment, Speed, Clamping, Read/Write, and Autotest (all four)

The instructions say that after running the tests, "you'll be armed with the
knowledge to advice your Apple II service center."

I haven't repaired a messed up Apple disk drive before. Do you have to have
an Oscilloscope to fix them, or can you fix these problems without one. I
have a couple of flaky microSCI drives that I would like to test and repair.
I think that the speed and clamping is screwy on them.

E.
Received on Sat Nov 10 2001 - 20:07:30 GMT