22 Nov
2007
22 Nov
'07
7:42 p.m.
Date: Thu, 22 Nov 2007 07:58:17 -0500
From: "Richard A. Cini" <rcini at optonline.net>
Subject: Re: FD400 drive troubleshooting
The way that the service manual tells you to check the
speed is the pulse
width on a specific test point on the PCB. I was just going to use a laser
tach on the spindle...but I have to get a tach first :-)
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Strobe disk?