Sony DSR-2000 Service Manual page 288

7-23. Cassette Compartment Motor Replacement
2. Replacing the motor assembly
(1) Release the upper and lower claws of the
pivot bracket to remove the pivot bracket.
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Be careful not to lose the worm gear, which
also comes off at this operation.
(2) Remove the gear B from the shaft of the
motor bracket assembly.
(3) Remove the two screws to remove the motor
assembly from the motor bracket.
(4) Fix a new motor assembly to the motor
bracket positioning as shown in the figure
with the two screws.
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Be reminded a new motor assembly has the
gear A on its shaft.
Tightening torque : 0.2 N.m {2 kgf.cm}
(5) Reattach the gear B to the shaft of the motor
bracket assembly.
(6) Make a coupling between the worm gear and
the gear B and insert the pivot bracket shaft
from another side of the worm gear.
(7) Fix the upper and lower claws to the motor
bracket.
3. Reattaching the motor gear assembly
(1) Bend the two terminals in the motor gear
assembly to meet the specification of their
bent angle shown in the figure.
(2) With the worm gear in the motor gear
assembly engaged with the worm wheel,
insert the two protrusions of the motor gear
assembly into the holes in the cassette
compartment and fix with two screws.
(3) Align the hole in the drive gear (L) assembly
with the hole in the cassette compartment by
turning the gear B of the motor gear assembly
by a finger.
(4) Apply a grain of grease on the worm gear in
the motor gear assembly.
(5) Reconnect the harness of the motor gear
assembly to the connector (CN3) on the
CC-83.
7-66
Motor assembly
Gear A
Screw M2
Motor gear assembly
Positioning hole
Driving gear (L)
assembly
CN3
Specification
45d ±10d
Gear B
Worm gear
Motor bracket
Pivot bracket
Claw
Pivot bracket
Claw
Screw M2
Screw M2
Gear B
Grease
Worm gear
Protrusions
DSR-2000/2000P