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Servicing Personal Computers, 3rd Edition
book

Servicing Personal Computers, 3rd Edition

by Michael Tooley
May 2014
Intermediate to advanced content levelIntermediate to advanced
320 pages
13h 41m
English
Newnes
Content preview from Servicing Personal Computers, 3rd Edition
184
li
ù
Figure 4.43. Motor drive and speed control circuitry of the FD-50 drive. (The speed control
potentiometer,
VR1,
can be seen in the upper right-hand corner)
Figure 4.44. Typical interior view of
a
modern double-sided half-height
drive.
(The head connecting
cable can be clearly seen)
Tape and disk drives 185
Measurement of the drive motor speed should always be made when disk-based equipment
is being serviced since this too can be instrumental in avoiding future problems. Adjustment is
invariably provided by means of a small preset potentiomete ...
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Publisher Resources

ISBN: 9781483193670