Y-E Data YD-380 - Head Load Solenoid

4.9.2 Removal and Replacement
1.
Remove
the PWB
(See
4.1).
2.
Remove J3 connector
housing
3.
(See page 9, figure
4.2.2)
3.
Remove
the carrier assembly. (See page 17, 4.7.1)
4.
Remove
the
drive motor screws and remove the motor.
5.
For reinstallation, reverse the above procedure.
6.
Perform a service check (See
page 20,
4.9.1).
4.9.3 Adjustment
1. Adjust" the variable resistor on the motor control PWB with
a Phillips head screwdriver until the index.period is
166.7 ms ±1.5% (refer to figure 4.9.2)
4.10. Head Load Solenoid (Refer to Chapter 5, figure 3)
4.10.1
Service Check
1. Look through the disk inlet on the front bezel to make
sure the pad on the bottom of the bail is normal.
"2. Power up the drive.
3. Insert a disk and turn the front lever to lock position.
4. Load the read/write heads against the disk.
5. Make sure that there i~ a gap between the bail and the
carriage arm throughout the carriage travel.
6. Power down the drive.
7. Remove the disk and turn the front lever to lock position.
8.
Look through
the disk inlet in the
front
bezel and
verify
that the gap
between the unloaded
read/write
heads
is
within 0.3
to 0.7 nun. If
the gap
is larger, perform the
adjustment described in 4.10.3.