Alpine DP-S Series User manual

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SERVICE

MANUAL

ZILPIN

CD

Player

Mechanism

ADDENDUM

&

REVISED

(III)

Se

-SSERIES

DP-S

SERIES

Contents

Mechanism

Function

Description

-<<rrcc

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treet

ree

eee

ener

e

ee

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ener

e

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tebe

enn

E

etn Een

tenes

3

Disassembly

Instructions

(For

DP24A010/DP24A020/DP24A110/DP24A11A/DP24A210

models)

crrrte

reece

eter

teeter

enes

11

CD

Mechanism

Assembly

Parts

List

(For

DP24A010,/DP24A020,/DP24A110/DP24A11A/DP24A210

models)

ccrrer

rete

ester

ee

eee

eee

15

Exploded

View

(CD

Mechanism)

(For

DP24A010,/DP24A020,/DP24A110,/DP24A11A,/DP24A210

models)

crest

sree

treet

tere

eee

e

eens

17

CD

Mechanism

Assembly

Parts

List

(For

DP24A220

model)

cerrer

rer

rr

eet

eet

e

eee

teen

nee

nee

e

eee

nes

19

Exploded

View

(CD

Mechanism)

(For

DP24A220

model)

crrttrtee

settee

reenter

ettenee

eect

nnn

n

ee

eeeet

anes

24

CD

Mechanism

Assembly

Parts

List

(For

DP22A070,/DP22A080

DP22A310/DP22A320

models)

-::--

23

Exploded

View

(CD

Mechanism)

(For

DP22A070/DP22A080

DP22A310,//DP22A320

models)

<«rrcreees

25

Disassembly

Instructions

(For

DP22A070

“DP22A080

DP22A310,/DP22A320

models)

vrrrtrttt

rere

eee

27

to

to

to

to

to

to

to

to

10

14

16

18

20

22

24

26

29

Mechanism

Function

Description

Function

LOADING

(of

a

12cm

CD)

Clamper

Description

The

beam

to

the

photo

sensor

(A)

will

be

broken

when

a

disc

is

in-

serted

into-the

loading

position.

The

mechanism

detects

the

disc

insertion

and

actuates

the

Loading

motor

to

rotate.

The

rotation

of

motor

is

transmitted

to

the

drive

(B)

and

(A).

roller

through

gears

(E),

(D),

The

disc

will

be

pinched

between

the

drive

roller

and

the

upper

guide

and

pulled

into

the

mechanism.

The

disc

reaches

to

the

sensor

gate

mechanism.

The

beam

to

the

is

broken,

and

simultaneously

the

micro-processor

discriminates

12

or

8cm

CD

size

depending

on

the

photo

sensor

(B).

is

broken,

the

micro-processor

detects

that

the

disc

is

a

12cm

CD

and

it

continues

feeding

the

disc.

photo

sensor

(D)

If

the

beam

to

the

photo

sensor

(B)

Sensor

Gate

Mechanism

Photo

Sensor

(D)

Solenoid

Arm

Solenoid

a

Photo

Se

B

nsor

(B)

ee

x

8cm

Disc

Eject

Position

en

ee

ur

alae

Photo

Sensor

(A)

12cm

Disc

Eject

Position

Figure

1

Drive

Roller

Gear

(A)

DP-S

SERIES

Illustration

Figure

Figure

Clamp

End

Switch

Cam

Photo

Sensor

(C)

Loading

Motor

Figure

2

Cam

Gear

Gear

(D)

Gear

(E)

DP-S

SERIES

Function

Step

Description

Ilustration

LOADING

The

disc

touches

the

left

and

right

stopper

pins,

and

push

them

by

(of

a

12cm

CD)

the

feed

mechanism.

By

pushing

the

stopper

pins,

the

left

and

right

lock

levers

rotate

and

the

lock

pins

remove

from

the

lock

position

of

the

guide

holes.

ok

The

disc

touches

the

disc

stopper

and

moves

the

unlocked

sensor

gate

. .

;

Figure

to

the

outer

direction

by

the

feed

mechanism.

If

the

disc

reaches

to

the

end

position,

the

beam

reaches

to

the

photo

sensor

(B).

The

mechanism

detects

that

the

disc

is

pulled

into

the

chucking

_

:

:

Figure

position

and

starts

chucking

action.

Disc

Stopper

Lever

(B)

Left

lock

Lever

Arm

Clamp

Guide

hole

Lever

(A)

Right

lock

Lever

;

Disc

Stopper

Reverse

Pin

Reverse

spring

Right

stopper

pin

Left

stopper

pin

Photo

Sensor

(B)

Photo

Sensor

(D)

Photo

Sensor

(B)

Left

lock

pin

Right

lock

pin

Figure

4

Figure

3

DP-S

SERIES

Function

Description

Illustration

LOADING

The

same

process

as

12cm

CD

loading

operation

steps@~@.

Figure

1

(of

a

8cm

CD)

Figure

2

Figure

7

The

disc

reaches

to

the

sensor

gate

mechanism.

The

sensor

gate

mechanism

moves

depending

on

the

disc

insertion

position

at

the

disc

slot

as

follows.

A)

When

the

disc

is

inserted

at

the

center

of

the

slot.

The

disc

touches

to

the

disc

stopper.

The

disc

cannot

push

both

the

left

and

right

stopper

pins,

so

that

the

locking

pins

cannot

be

released.

The

disc

movement

stops

there.

B)

When

the

disc

is

inserted

at

the

deviated

position

to

the

left

or

right

from

the

center

of

the

slot.

First,

the

disc

pushes

the

left

or

right

stopper

pin.

The

disc

cannot

push

the

another

stopper

pin,

so

that

the

locking

pins

cannot

be

released.

The

disc

moves

by

the

shape

of

the

disc

stopper

to

the

center

position

and

stops.

Figure

5

If

the

beam

reaches

to

the

photo

sensor

(B)

and

(C)

when

the

beam

to

the

photo

sensor

(D)

is

broken

by

the

disc,

the

mechanism

discriminates

that

the

8cm

CD

is

in

the

chucking

position,

and

starts

chucking

action.

Figure

5

Only

one

(left

or

right)

lock

pin

is

released

Photo

Sensor

(D)

Lever

(A)

Reverse

Pin

Figure

6

BhotS

Sensor

(B)

Photo

Sensor

(C)

When

a

disc

is

inserted

at

the

left

from

the

center

of

the

slot.

Figure

5

DP-S

SERIES

psa

wees

The

mechanism

detects

that

the

disc

is

pulled

into

the

Chucking

position

and

pulls

the

solenoid.

CHUCKING

The

solenoid

arm

connected

with

the

solenoid

starts

to

rotate

and

transmits

the

rotation

to

the

cam

gear.

The

cam

gear

starts

to

rotate

and

engages

with

the

gear

(C)

then

the

driving

power

of

the

Loading

motor

will

be

transmitted

to

the

cam

gear.

The

rotating

cam

gear

engages

with

rack,

and

moves

the

rack

toward

the

right.

Pete

With

the

movement

of

the

rack,

the

following

functions

will

be

performed

simultaneously.

.

The

clamper

moves

downward

and

chucks

the

disc.

Figure

8

The

drive

roller

moves

downward

and

releases

the

disc

pinched

Figure

9

previously

and

moves

the

disc

downward.

Figure

10

Releases

the

locking

on

the

pickup

block

and

places

the

unit

in

the

floating

status.

The

rack

slides

to

the

right

end and

releases

the

engagements

between

the

gear

(C)

and

the

cam

gear

as

well

as

the

cam

gear

and

rack,

and}

Figure

8

turns

the

clamp

end

switch

on.

The

mechanism

detects

that

the

clamp

operation

has

finished,

and

the

Loading

motor

stops

rotating.

Figure

8

Clamper

Upper

Guide

us

Solenoid

Drive

roller

Clamp

End

Switch

\

Cam

Gear

Gear

(C}

Rack

Loading

Motor

Gear

(A)

Figure

7

Lowered

clamp

position

Solenoid

Drive

Roller

Gear

(C)

Loading

Motor

Cam

Gear

Gear

(A)

Solenoid

Arm

Solenoid

Solenoid

Engaging

Cam

Gear

Gear

(C)

/

Solenoid

Arm

Q

Clamp

End

Switch

Engaging

Cam

Gear

Figure

8

Damper

Move

with

rack

simultaneously

Floating

Position

Spindle

Motor

Loading

Cam

Rivet

Assembly

Trigger

Lever

Servo

Motor

Reverse

Pin

Cam

shaft:

United

with

Loading

cam

moves

Trigger

Lever.

Figure

9

DP-S

SERIES

DP-S

SERIES

PLAY

The

spindle

motor

rotates

the

disc.

Figure

10

The

rotation

of

the

servo

motor

is

transmitted

to

the

shaft

screw

:

;

Figure

10

through

the

gear,

moves

the

pickup.

;

Figure

10

The

Inner

limit

switch

detects

the

lead-in

position

of

the

disc,

and

the

mechanism

begins

to

read

the

information

of

the

disc.

Shaft

screw

Floating

status

Servo

Motor

Inner

limit

switch

Spindle

Motor

Figure

10

EJECTION

(of

a

12cm

CD)

The

solenoid

arm

engaged

with

the

solenoid

starts

rotating

and

the

cam

gear

engages

with

the

gear

(C).

The

cam

gear

rotates

and

engages

with

the

rack

and

then

moves

the

rack

in

the

left

direction.

Engaging

with

the

movement

of

the

rack,

the

following

functions

will

be

performed

simultaneously.

The

clamper

moves

upward

and

releases

the

disc.

The

driving

roller

moves

up

and

lifts

the

disc,

and

pinches

the

disc

between

it

and

the

upper

guide.

Locks

the

pickup

block.

The

reverse

pin

moves

with

engaging

the

levers

(A)

and

(B),

which

moves

the

sensor

gate

mechanism

to

the

original

position.

When

the

rack

moves

to

the

left,

the

engagements

between

the

gear

(C)

and

the

cam

gear,

the

cam

gear

and

the

rack

will

be

released.

DP-S

SERIES

Function

Description

EJECTION

Cof

a

12cm

CD)

The

disc

which

is

pinched

between

the

drive

roller

and

the

upper

guide

moves

to

the

outside

of

the

mechanism.

When

the

disc

is

sent

out

to

the

EJECT

position,

the

beam

broken

by

the

disc

is

released

and

reaches

the

photo

sensor

(B).

The

mechanism

detects

that

the

disc

has

come

out

to

the

EJECT

position

and

stops

the

motor

rotation.

The

mechanism

detects

that

all

functions

have

finished

when

the

disc

is

pulled

out

from

the

mechanism

and

beam

is

passed

through

to

the

photo

sensor

(A).

RELOAD

lf

the

disc

is

not

pulled

out

from

the

mechanism

for

15

seconds

after

it

comes

to

(of

a

12cm

CD)

the

EJECT

position,

the

mechanism

actuates

the

Loading

function

steps

©

—

©.

EJECTION

(of

a

Bom

CD)

The

same

process

as

12cm

CD

Eject

operation

steps

O~@.

Engaging

with

the

movement

of

the

rack,

the

following

functions

will

be

performed

simultaneously.

A.

B.

ir

The

same

process

as

12cm

CD

Eject

operation

step@

—A,

B,

C.

C.

The

same

process

as

12cm

CD

Eject

operation

step

©.

The

disc

which

is

pinched

between

the

drive

roller

and

the

upper

guide

moves

to

the

outside

of

the

mechanism.

The

disc

is

released

from

the

drive

roller

and

stops.

If

the

beam

reaches

the

photo

sensor

(C)

after

1.5

seconds

from

starting

ejection,

the

motor

stops.

The

mechanism

detects

that

all

functions

have

finished,

when

the

disc

is

pulled

out

from

the

mechanism

and

beam

is

passed

through

to

the

photo

sensor

(A).

DP-S

SERIES

|

Function

TROUBLE

SHOOTING

(While

Loading

a

12cm

CD)

Description

_————

ee

—————

es

If

the

beam

to

the

photo

sensor

(D)

is

not

broken

within

3

seconds

after

the

Loading

motor

begins

rotating

as

described

in

the

Loading

operation

step

©,

the

mechanism

takes

it

as

trouble

and

rotates

the

Loading

motor

inversely

and

pushes

the

disc

out

to

the

EJECT

position.

(While

loading

a

8cm

CD)

(While

Chucking)

(While

Playing)

(While

Ejecting

a

12cm

CD)

(While

Ejecting

a

8cm

CD)

In

the

Loading

step

@,

if

the

beam

does

not

reach

the

photo

sensor

(D)

within

3

seconds

after

the

beam

to

the

photo

sensor

(B)

is

broken,

the

mechanism

take

it

as

trouble

and

rotates

the

loading

motor

inversely

and

push

the

disc

out

to

the

eject

position.

If

the

disc

is

removed

and

the

beam

reaches

the

photo

sensor

(A),

the

mechanism

performs

loading,

chucking

and

ejection

without

a

disc.

(To

place

the

sensor

gate

mechanism

from

the

END

position

to

the

original

position

the

mechanism

operates

the

Ejection

step

©

—d)

When

the

disc

is

pulled

out

during

the

loading

process,

the

Loading

motor

rotates

inversely

and

stops

the

rotating

after

certain

seconds.

The

same

process

as

12cm

CD

loading

operation

step®.

The

same

process

as

12cm

CD

loading

operation

step@).

In

the

chucking

operation

(step

@)

if

the

Clamp

End

Switch

doesn't

turn

on

within

3

seconds

after

the

solenoid

is

pulled,

the

mechanism

takes

it

as

trouble

and

rotates

the

Loading

motor

inversely

and

pushes

the

disc

out

and

stops

at

the

EJECT

position.

When

the

disc

doesn't

come

to

the

EJECT

position,

the

motor

stops

the

rotating

after

certain

seconds.

After

disc

chucking,

if

the

mechanism

is

unable

to

read

the

information

of

the

disc

for

some

reason,

it

actuates

the

EJECTION

operation

steps.

If

the

disc

doesn’t

come

to

the

EJECT

position

within

5

seconds

after

the

solenoid

is

pulled

in

the

EJECTION

operation

step

@,

the

mechanism

takes

it

as

trouble

and

rotates

the

Loading

motor

inversely

and

performs

the

Loading

operation

steps.

If

the

beam

does

not

reach

the

photo

sensor

(C)

within

1.5

seconds

after

starting

ejection,

the

motor

continues

rotating.

If

the

beam

does

not

reach

the

photo

sensor

(C)

within

5

seconds

after

starting

ejection,

the

mechanism

takes

it

as

trouble

and

changes

the

motor

rotating

direction

and

performs

loading

steps.

40