Apple Floppy Drives (Repairs)

10 Nov 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.

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

Apple Floppy Drives (Repairs)