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4.
At the lower left front side of the drive, loosen the two
Number 1 Phillips screws retaining the write protect switch,
actuating arm, and screw retaining plate.
5.
Slide the assembly off of the chassis.
Installation
1.
After positioning the write protect switch and actuating
arm, screw the retaining plate into the chassis slot.
2.
After ensuring the actuating arm is in the chassis' slot,
tighten the two screws.
3.
Route cable plug Pll through the hole in the chassis toward
the rear of the drive, around the outside of the drive motor
to the control and data circuit board.
4.
Replace the tie wrap.
5.
Replace the servo circuit board.
WRITE PROTECT SENSOR
Removal
1.
Remove the servo circuit board.
NOTE
ONE-HALF OF THE SENSOR IS ATTACHED TO
THE PHOTOTRANSISTOR.
2.
At the top left-hand front of the drive, the write protect
sensor's diode mounting block is retained by a Number 1
Phillips screw.
Remove the screw and cut the tie wraps, as
required, to remove Plug Pll from the control and data
circuit board.
3.
Remove the sensor's diode.
Installation
1.
Replace the servo circuit board.
6-7
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