Sony DVPS-7000 Service manual

DVP-S7000

DVD MECHANISM

OPERATION MANUAL

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392162751

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SONY@

1.

Mainparts

2.

Operation ofparts

layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CONTENTS

3

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4

2-l. Operation of spindle base with loading motor..

1)

Tray

open ................................................................................................................ 4

2) Tray IN

2-2.

Operation of optical pick-up block with sled motor

2-3.

Operation of slide base with

3.

Tray close (Disc IN)

3-l. With disc (1)

With disc (2)

3-2.

Without disc..

4.

PB . . . . . . . . . . . . . . .

.................................................................................................................... 7

skew

motor

.....................................................................................................

.............................................................................................................

..............................................................................................................

............................................................. .:. ............................................ 25

*

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*

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*

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.......................................................... 4

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*

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10
13

17

17

21

29

5. PB-PAUSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.

PB-STOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7.

Tray open (Disc OUT)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

-2-

33

34

36

1. Main parts layout

!

\ ­I

I

CD optical
pick-up

.

Optical pick-up
block

Skew motor

/

/Skew

Sled motor

DVD optical
pick-up

sensor

CD sensor

/

Tray open sensor switch

(SOOl)

r

1

’

Splndle motor

\

Loading motor

Tray

close

sensor

(PHOOl)

Fig. l-l

-3-

2. Operation of parts

2-l. Operation of spindle base with loading motor

1) Tray open

Press open/close button.

Loading motor rotates in the direction of arrow mark.

I

Loading (midway) gear rotates in the direction of arrow mark
through belt and loading pulley.

I

Tray driving gear rotates in the direction of arrow mark.

+

Tray driving gear meshed with tray rack unit, and loading
(midway) gear both move in the direction of arrow mark @.

I

Drive gear rotates in the direction of arrow mark to rotate cam
gear in the direction of arrow mark.

1

I

1

Spindle base moves down in the direction of arrow mark
centering around the fulcrum@, and the gap between press
pulley and spindle motor becomes large.

* Disc is released from chucking.

Tray driving gear further rotates and tray is pushed out in
the direction of arrow mark.

* Disc can be set.

Tray open sensor switch
motor stops.

(SOOl)

detects “tray open” when loading

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@

-4-

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r’l

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Loading pulley

‘p

Loading

(midway) gear,

Tray open
sensor switch ---

(SOOl)

Tray driving

L

gear

\

.,

-0’

, Spindle base

\,

a

Loabint

Drive’ gear

Fig.

2-1

Belt

, Motor pulley

motor

-5-

Loading pulley

Loading (midway)

gear

This portion touches
the cam gear, allowing
the spindle base to

move down

by the cam

Spindle motor

Loading motor

Tray driving gear

Belt

Fig. 2-2

Tray open sensor switch

to ON by the projection under the tray.

(SOOl)

IS set

Loading (midway)
gear

.

-l-L

Cam ‘gear

\

Loading motor

Fig. 2-3

-6-

2) Tray IN

I

Press open/close button. Slightly push in the tray with hand.

* Tray open sensor

switch (SOOl) OFF

I

Loading motor rotates in the direction of arrow mark.

I

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Loading (midway) gear rotates in the direction of arrow
mark through belt and loading pulley

*

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1

I

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Tray driving gear rotates in the direction of arrow mark.

r

~~~

~~

~~ ~ ~~

Tray meshed with tray dnving gear is pulled in the
direction of arrow mark.

When tray is pulled in and reaches the given position, both
the tray driving gear and loading (midway) gear move in
the direction of arrow mark @ .

I

Drive gear rotates in the direction of arrow mark to rotate
cam gear in the direction of arrow mark.

I

Spindle base moves up in the direction of arrow mark
centering around the fulcrum @ .

I I

Disc is set between press pulley and spindle motor.

I

Tray close sensor (PHOOl) detects “tray close

I

@

I

-7-

Loading pulley

‘r\

Tray close
sensor

(PHOOl)

/

Loading
(midway) gear,

Tray driving gear

L-

-

a

O

Drive gear

I

Cam gear

Fig. 2-4

\

Belt

’

\

Loading motor

Spindle base

-8-

The portion touches cam gear, allow\ng spindle

base to move up by the cam of cam gear.

base

Cam bear

This portion touches

cam gear.

Tray driving gear

\

I

Belt

Fig.

2-5

Press pulley

\

Tray

I

Drive gear

Gam

gear

Fig. 2-6

-9-

2-2. Operation of optical pick-up block with sled motor

Press PB button

Sled motor rotates in the direction of gray
arrow mark.

Limiter gear ass’y rotates in the direction
of gray arrow mark through gear (S-A) and
gear (S-B).

Limiter gear ass’y is meshed with the rack
gear of optical pick-up block and optical
pick-up block moves m the

1

gray arrow mark.

’

.

I

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i

(b).

drrectron

of

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When optical pick-up block is moved and

reaches given posmon, and sled motor

( stops. .

.

.

* Sled motor detects FG.
* The gray arrow mark indicates the movement of optical

pick-up block from inner to outer surface of disc (NEXT).

* The black arrow mark indicates reverse movement (PREV).

- lo-

OptIcal

block

1

:

pick-up

.

1

0

*

Fig. 2-7

- ll-

NEXT

PREV