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A.
R/W head radial adjustment using track 16.
B.
Index photo detector alignment using track 01 and track 35.
C.
Identification of track zero. Read track
00
with a 125 KHz signal
(2F). This test is used to determine if the head is positioned
over track
00
when the track
0 0
output in the interface is at a
low (true) level.
USE CARE TO PRESERVE PRERECORDED
ALlGI\JMENT TRACKS. THE WRITE PROTECT
TAB SHOULD ALWAYS BE INSTALLED ON
THE ALIGNMENT DISKETTE TO PREVENT
ACCIDENTAL WRITING ON ITS SURFACE.
5.6
REMOVAL AND REINSTALLATION PROCEDURES
For assembly and component locations, refer to the illustrated Parts Breakdown in Appendix D.
All item numbers refer to the Illustrated Parts Breakdown, Figure D-1 (overall view).
5.6.1.
FRONT BEZEL
To remove and reinstall the front bezel, use the following procedure:
A.
Close door
B.
Using a screwdriver, carefully bend the two tabs located on
the top sides of the bezel (item 26) inward and push forward
off the tabs on the diskette guides. (items 9 and 10)
C.
Open door
D.
Carefully push two plastic studs on lower portion of front
bezel forward through two retainers (item 75) from bottom
of disk drive.
E.
To reinstall, open door and push the two plastic studs into the
two retainers. Close door and push upper portion of bezel
onto the tabs on the diskette guides. The ends of the diskette
guides must be fully seated in the bezel for the tabs to lock
into the notch on the bezel tabs.
5-4
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