Sony HDW-750 Maintenance Manual page 352

7-24. Gear Block Assembly Replacement
Installation
4. Installing the gear block assembly
(1) Check that the claw of the gear mount plate
of the gear block (B) is aligned with the
triangle mark of the cam gear assembly.
(Fig. 1)
(2) Check that the hole of the press cam gear is
aligned with the hole of the mechanical deck
assembly. (Fig. 2)
(3) Check that the round mark of the gear
(cleaning) is facing toward the manual eject
gear (A)'s mount shaft. (Fig. 3)
(4) Check that the entire horizontal bar mark on
gear (C) is visible from the gear mount plate
(B) of the new gear block assembly. (Fig. 4)
(5) Connect the connector of the gear block
assembly to the connector (CN501) on the
MDC-13 board and fix the three precision
screws.
The standard tightening torque value :
10 x 10 _2
N.m (1 kgf.cm)
5. Operation check
Rotate the manual eject gear (A) (red gear) and
check that the threading and the unthreading
operations are performed smoothly.
n
Do not rotate the manual eject gear (A) more than
necessary. If rotated excessively, it results in
damage of the unit.
6. Installing the cleaning assembly
Install the cleaning assembly with the precision
screw.
(Refer to Section 7-6.)
7-82
Gear mount plate (B) of
the gear block assembly
Horizontal bar mark
of Gear (C)
Precision screws
P1.4 x 5
Triangle mark of
Fig 1
the cam gear assembly
Cam gear
assembly
Fig 3
Hole
Mount shft of
manual eject
gear (A)
Gear (cleaning)
Fig 4
Precision screw
P1.4 x 5
Gear block
assembly
Hole of press cam gear
(This hole must be aligned
Connector
with the corresponding
hole in the mechanical
deck assembly
underneath.)
Press cam gear
Connector on
the MDC-13 board
Claw of the gear
mount plate of
the gear block (B)
HDW-750/750CE V1
Fig 2