Sony DVP-CX860 / DVP-CX870D (serv.man2) Service Manual ▷ View online
— 39 —
( FIG.28 )
Loading gear (B)
(Cam drive motor side)
(Cam drive motor side)
Loading gear (B)
(Cam drive motor side)
(Cam drive motor side)
Cam drive motor
(Motor DC)
(Motor DC)
Chuck
gear (C)
gear (C)
Chuck gear (C)
Chuck gear (D)
Chuck gear (D)
Contol
gear (R)
gear (R)
Contol gear (F)
Gear (A)
(Cam drive motor side)
(Cam drive motor side)
1
2
2
3
3
4
4
5
5
— 40 —
( FIG.29 )
Control gear (F)
Slider link
Slider (U)
Slider (B)
A
B
C
C
D
D
E
Chuck driving link
Chuck holder assy
BU holder
1
1
1
1
2
3
2
3
4
4
4
4
5
5
— 41 —
Disc
Timing blet
A
( FIG.30 )
( FIG.31 )
Control gear (R)
Disc
Turn table
Guide frame (R) assy
Loading guide (R)
Loading guide (R)
Loading guide (R)
Extension spring
Center guide
1
1
2
2
— 42 —
FIG.37
H
The portion
G
of the guide frame (R) assy
is detected by PH221 of the LS-55 board
that starts rotation of the loading motor
(dc motor)
that starts rotation of the loading motor
(dc motor)
PH261 on the CS-57 board detects from the
cam groove inside the control gear (F) that
the control gear (F) rotates by 180˚ that
stops the cam drive motor (dc motor).
cam groove inside the control gear (F) that
the control gear (F) rotates by 180˚ that
stops the cam drive motor (dc motor).
FIG.33
FIG.32
FIG.34
FIG.35
FIG.33
FIG.36
The loading gear (E) rotates in the direction of the arrow mark
5
via loading gear (B) (loading motor side), loading gear (C) and
loading gear (D) (arrow marks
loading gear (D) (arrow marks
2
to
4
)
The timing belt rotates in the direction of the arrow mark
q;
via
the three link gears and pulley (A) (arrow marks
6
to
9
).
The gear (A) (loading motor side) rotates in the direction of the arrow mark
1
.
Disc is pinched by the loading guide (R) (contact surface with the timing belt)
and the center guide so that the disc is transported in the direction of the
arrow mark
and the center guide so that the disc is transported in the direction of the
arrow mark
2
while rotating in the direction of the arrow mark
1
.
The disc is stopped (from the arrow mark
1
to the position
2
) at the center
(chucking position) of the mechanical deck assy as the disc movement is
prevented by the disc stopper (front side).
At the same time, the guide frame (R) and the guide frame (R) assy are
moved to the topmost-end again by the extension spring. (arrow mark
prevented by the disc stopper (front side).
At the same time, the guide frame (R) and the guide frame (R) assy are
moved to the topmost-end again by the extension spring. (arrow mark
3
)
The loading guide (R) and guide frame (R) assy move down
again as they are opened by the disc during transportation of
the disc. (arrow mark
again as they are opened by the disc during transportation of
the disc. (arrow mark
3
)
PH221 of the LS-55 board detects the portion
G
of
the guide frame (R) assy that stops the loading motor.
The timing belt is stopped accordingly.
The timing belt is stopped accordingly.
G
The gear (A) (cam drive motor side) rotates in the direction of the arrow mark
1
.
The control gear (F) and control gear (R) start rotating in the
directions of the arrow mark
directions of the arrow mark
5
respectively (arrow marks
2
to
4
)
via loading gear (B) (cam drive motor side), chuck gear (C)
and chuck gear (D).
and chuck gear (D).
As the timing belt is stopped, the cam
drive motor (dc motor) starts rotation.
drive motor (dc motor) starts rotation.
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