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Fig. 5-8 (a) Motor Speed Measurement
I
Disk Drive DC Motor Speed
5-8-3
Adjustment
a. If the pulses are generated other than every
100±1.5 msec in the measurement (5-8-2),
disassemble the following parts and then
perform the adjustment.
I. Main cover (Refer to 4-5)
2. Front panel ass'y (Refer to 4-2)
Em
3. Damper (Refer to 4-7)
Em
4. Head load ass'y (Refer to 4-8)
5. Cassette-up ass'y (Refer to 4-9)
6. Disk motor (Refer to
4~11)
7. WP arm, D-Detection arm (Refer to
4-10)
b. Connect the disassembled disk motor
board as shown in Fig. 5-8 (b).
Fig.
58
(b) Motor Speed Adjustment
-49-
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