Sony PDW-HD1500 Maintenance Manual page 110

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. Insert the guide into the sub shaft, and install
the optical block assembly (OP-0) and the
main shaft into the groove of the main shaft
bracket.
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
(OP-0) is precisely positioned. Do not hit
the laser part against the sub shaft or the
chassis when installing the optical block
assembly.
3. Install the main bracket with two screws.
4. Remove the parallel pin from the top, and
confirm that the optical block can move
smoothly.
5. Place the "A" portion of the SE-851 board on
top of the main shaft bracket.
n
The "A" portion of the SE-850 board and the
SE-851 board prevents from the possible
damage by the edge of the main shaft bracket.
6. Install the sensor block of the SE-851 board
with the four screws. (For the optical block of
the opposite side, install the sensor block of
the SE-850 board with the three screws.)
6-12
Groove of main
shaft bracket
Parallel pin
Main shaft
Optical block
assembly (OP-0)
No.3 gear assembly
Sub shaft
SE-851 board
PSW2
x
M1.7 2.5
SE-851 board
Main shaft
bracket
Main shaft
OP rack assembly
Guide
Laser part
Optical block
assembly
Do not turn these screws.
Portion A
Main shaft bracket
x
6
Optical block assembly
(OP-1)
Spindle motor
Optical block assembly
PDW-HD1500/V1 (E)
(OP-1)
(OP-0)