Sony CBK-HD01 Maintenance Manual page 249

Reinstallation
1. Align the upper and lower holes of the OP
rack assembly while pressing the both ends of
the OP rack assembly, and insert the parallel
pin into the holes.
2. Move the OP position sensor, insert the guide
into the sub shaft, and install the optical block
assembly and the main shaft.
m
. Install these parts so that the gear of the OP
rack assembly is properly engaged with the
gear of the No.3 gear assembly.
. The laser part of the optical block assembly
is precisely positioned. Do not hit the laser
part against the sub shaft or the chassis
when installing the optical block assembly.
3. Press the connector of the optical block
assembly to move the optical block assembly
to the spindle motor.
4. Install the main shaft with the two flat-head
screws.
Tightening torque:
± 0.01 N.m (2.0 ± 0.1 kgf.cm)
_2
20 x 10
n
Do not turn the two screws that secure the
sub shaft.
5. Pull out the parallel pin.
6. Press the die-casting part or the connector of
the optical block assembly, and check the
following:
. The optical block assembly moves
smoothly.
. The OP rack assembly and the No.3 gear
assembly are not disengaged.
7. Install the OP position sensor with three
screws in the order of the numbers in the
figure.
Tightening torque:
± 0.01 N.m (1.0 ± 0.1 kgf.cm)
_2
10 x 10
8. Connect the flexible card wire to the connec-
tor on the optical block assembly.
9. Perform the optical drive adjustment.
(Refer to Section 8.)
10. Reinstall the removed parts by reversing
steps 1 to 5 of removal.
PDW-700/V1 (E)
Parallel pin
Optical block assembly
Guide
Laser part
Sub shaft
No.3
gear
assembly
Do not turn these screws.
OP position
sensor
K2.6 x 8
Main shaft
OP position
sensor
Screw
(M1.7)
3
2
1
7-11