Replacing Optical Block Assembly - Sony PDW-HD1500 Maintenance Manual

6-7. Replacing Optical Block Assembly

m
. To prevent the possibility of damage to the optical block assembly in the drive by static electricity
charged in a human body or clothes, be sure to establish a ground before cleaning the drive assembly.
(Refer to Section 1-14.)
. The spindle motor and the actuator around the objective lens have a powerful magnet. Keep magnetic
substance away from these parts. If the magnetic force makes a metallic material such as a screwdriver
and so on hit the actuator, the objective lens will be damaged. If a magnetic substance comes close to
these parts, their characteristics may be changed.
Fixtures
. Cleaning liquid
. Cleaning cloth
. Parallel pin (2 x 20) : 1
Removal
1. Remove the top panel assembly.
(Refer to Section 1-4-1.)
2. Remove the stay sub (upper) assembly.
(Refer to Section 6-3.)
3. Remove the top cover (A) assembly.
(Refer to Section 6-3.)
4. Remove the loader assembly.
(Refer to Section 6-3.)
5. Remove the four screws, and remove the
sensor block of the SE-851 board.
6. Insert the parallel pin into the OP rack
assembly.
7. Remove the flexible card wire of the optical
block assembly.
8. Remove the two screws, and remove the
main shaft bracket.
9. Push the die-cast bed of the optical block
assembly (OP-0) in the direction of shown by
the arrow until the OP rack assembly be-
comes entirely visible.
10. Remove the main shaft from the optical block
assembly (OP-0).
n
For removal of the optical block assembly
(OP-1), refer to the removal procedure of the
optical block assembly (OP-0).
6-10
PSW2
x
M1.7 2.5
SE-851 board
Main shaft bracket
OP rack assembly
Main shaft bracket
Parallel pin
Main shaft
Sub shaft
x
6
Optical block assembly
Optical block assembly (OP-0)
OP rack assembly
Optical block assembly (OP-0)
Optical block assembly
(OP-1)
Do not turn these screws.
PDW-HD1500/V1 (E)
(OP-1)