Sony CDP-C90ES User manual

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CDP-CS0ES/C910

SERVICE

MANUAL

US

Model

Canadian

Model

CDP-C90ES

US

Model

Canadian

Model

AEP

Model

E

Model

Australian

Model

CDP-C910

Photo

:

CDP-C9O0ES

Mode!

Name

Using

Similar

Mechanism

|

New

Mechanism

CD

Mechanism

Name

CDM10-5BD7

|

Base

Unit

Name

BU-5BD7

SPECIFICATIONS

Compact

Disc

Player

Dimensions

(w/h/d)

Frequency

response

2

Hz-

20

kHz

(+0.3

dB)

CDP-C910

mode!

:Approx.

430

X

125

&

385mm

Signal

to

noise

ratio

More

than

110

dB

(17

X

5

X

15'/«

inches)

Dynamic

range

More

than

100

dB

CDP-C90ES

model

:Approx.

470

X

125

X385mm

Harmonic

distortion

Less

than

0.0030%

(188/gx

5

X

15'/4

inches)

Channel

separation

More

than

105

dB

Including

projecting

parts

and

controis

Weight

Outputs

CDP-C910

modei

:A

Approx.

6.3kg(13lbs

150z),net

FI

I

$

eee

fed

eecanics

ae

kiloohms)

CDP-C90ES

mode!

:

Approx.

7.4kg(16Ibs

6

0z)net

10

kiloohms

Suppli

.

LINE

OUT

(VARIABLE)

Output

level

max

2

V

Euan

(phono

jacks)

(at

50

kiloohms)

onnecting

cord

Load

impedance

over

(2

phono

plugs

++

2

phono

plugs)

(1)

10

kiloohms

Disc

magazine

(1)

DIGITAL

OUTPUT

—-

Wave

length

660

nm

on

ee

(OPTICAL)

(optical

Output

level

—

18

dBm

iz

A

pattenes

(2)

Qutput

connector)

2

HEADPHONES

Output

level

max.

15

mW

Design

and

specifications

subject

to

change

without

(stereo

phone

jack)

Load

impedance

32

ohms

nonee:

General

Power

requirements

US,Canadian

model

:ACi20V,

60Hz

AEP

model

:220-230V

AC

,

50/60Hz

E

model

:110-120V

or

220-240V

AC

adjustable

50/60Hz

Australian

model

:AC240V,

50Hz/60Hz

Power

consumption

CDP-C910(US,

Australian)

model,

CDP-C90ES(US,

Canadian)

model

:18W

CDP-C910(Canadian,

AEP,

E,

Australian)

model

:15W

COMPACT

DISK

PLAYER

CDP-C90ES/C910

SAFETY

CHECK-OUT

After

correcting

the

original

service

problem,

perform

the

following

safety

check

before

releasing

the

set

to

the

customer:

Check

the

antenna

terminals,

metal

trim,

‘“‘metallized”’

knobs,

screws,

and

all

other

exposed

metal

parts

for

AC

leakage.

Check

leakage

as

described

below.

LEAKAGE

TEST

The

AC

leakage

from

any

exposed

metal

part

to

earth

ground

and

from

all

exposed

metal

parts

to

any

exposed

metal

part

having

a

return

to

chassis,

must

not

exceed

0.5

mA

(500

microampers).

Leakage

current

can

be

measured

by

any

one

of

three

methods.

1.

A

commercial

leakage

tester,

such

as

the

Simpson

229

or

RCA

WT-540A.

Follow

the

manufacturers’

instructions

to

use

these

instru-

ments.

2.

A

battery-operated

AC

milliammeter.

The

Data

Precision

245

digital

multimeter

is

suitable

for

this

job.

3.

Measuring

the

voltage

drop

across

a

resistor

by

means

of

a

VOM

or

battery-operated

AC

volt-

meter,

The

“limit”?

indication

is

0.75

V,

so

analog

meters

must

have

an

accurate

low-

voltage

scale.

The

Simpson

250

and

Sanwa

SH-63Trd

are

examples

of

a

passive

VOM

that

is

suitable.

Nearly

all

battery

operated

digital

multimeters

that

have

a

2

V

AC

range

are

suitable.

(See

Fig.

A)

To

Exposed

Metal

Parts

on

Set

|

AC

0.18uF

1.5k2

voltmeter

;

(0.75

V)

+

Earth

Ground

Fig.

A.

Using

an

AC

voltmeter

to

check

AC

leakage.

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

BY

MARK

A

OR

DOTTED

LINE

WITH

MARK

A

ON

THE

SCHEMATIC

DIAGRAMS

AND

IN

THE

PARTS

LIST

ARE

CRITICAL

TO

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

AS

SHOWN

IN

THIS

MANUAL

OR

IN

SUPPLEMENTS

PUB-

LISHED

BY

SONY.

TABLE

OF

CONTENTS

Section

Title

Page

SECTION

1.

GENERAL:

*

-

ss

et

et

eet

eee

SECTION

2.

SWITCH

AND

SENSOR

OPERATIONS:

-

=

-

SECTION

3.

MECHANICAL

ADJUSTMENTS

-----

=

>

SECTION

4.

ELECTRICAL

BLOCK

CHECKING:

--

=~

=

SECTION

5.

DIAGRAMS

5-1.

Printed

Wiring

Boards:

=

+

+++

+

+>

5-2.

Schematic

Diagram

—

MAIN

Section

5-3.

Schematic

Diagram

—

BD

Section

—

°

-

18

5-4.

WAVEFORMS:

-

-

+

+

2

se

ee

ee

ee

SECTION

6.

EXPLODED

VIEWS

6-1.

Front

Pane!

Assembly

Section

-«*

+

=>

6-2.

Chassis

Assembly

Section

-*-*

+:

"+.

6-3.

MD

Section-]

*-

+

sete

ee

ee

tes

6-4.

MD

Section-2

-

+

+

++

eee

ee

eee

6-5.

Optical

Pick-Up

Block

Section:

*

-

=

=

SECTION

7.

ELECTRICAL

PARTS

LIST:

-

+++

+=:

-

MODEL

IDENTIFICATION

(Specification

Label)

CDP-C910

CDP-C90ES

SONY:

COMPACT

DISK

PLAYER

MMMM

bbb

MODEL

NO.

KY

US,

Canadian

model:

AC:

I|20V

60Hz

15W

AEP

model:

AC:

220-230V~50/60Hz

E

model:

AC:

110-120V,

220-230V~50/60Hz

15W

Australian

model:

AC:

240V~50/60Hz

ATTENTION

AU

COMPOSANT

AYANT

RAPPORT

A

LA

SECURITE!

LES

COMPOSANTS

IDENTIFIES

PAR

UNE

MARQUE

#\

SUR

LES

DIAGRAMMES

SCHEMATIQUES

ET

LA

LISTE

DES

PIECES

SONT

CRITIQUES

POUR

LA

SECURITE

DE

FONCTIONNEMENT.

NE

REMPLACER

CES

COM-

POSANTS

QUE

PAR

DES

PIECES

SONY

DONT

LES

NUMEROS

SONT

DONNES

DANS

CE

MANUEL

0U

DANS

LES

SUPPLEMENTS

PUBLIES

PAR

SONY.

*13

pectin,

This

section

is

extracted

from

instruction

manual.

|

MeYor-1ilela

Mey

Mmerelalige)

is

SECTION

1

GENERAL

CDP-C90ES/C910

Front

Panel

[21

}{20]

Refer

to

the

pages

indicated

in

@

for

details.

POWER

switch

©

Magazine

slot

@

TIME/MEMO

button

@

[4

|REPEAT

button

®

CHECK

(program

check)

button

®

CLEAR

(program

clear)

button

®

Display

window

@

FILE

button

@

ERASE

button

@

MUSIC

SCAN

button

@

EDIT/TIME

FADE

button

@

@

Track

buttons

@

DISC

selectors

@

DISC

SKIP

button

@

>10

(over

10)

button

@

el+lele

|e]

(als/s)s/2|s/ele

(No)

Remote

Commander

.

[16

PHONE

LEVEL/LINE

OUT

LEVEL

control

@

@

[17

PLAY

MODE

buttons

CONTINUE

button

©

SHUFFLE

button

®

PROGRAM

button

®

BANK

button

@

[18

HEADPHONES

jack

[19

LEVEL

FILE

button

@

20:

P(peak).SEARCH

button

®

(21:

FADER

button

®

(22.

<4

BP

(manual

search)

buttons

@

[23.4

PI

(AMS*)

buttons

@

[24M

(stop)

button

@

[25

Ml

(pause)

button/indicator

@

[26:B

(play)

button/indicator

@

[27\#

EJECT

button

@

[28:;Remote

sensor

[29;

TIMER

switch

@

8)

*

AMS

is

the

abbreviation

of

Automatic

Music

Sensor.

Refer

to

the

pages

indicated

in

@

for

details.

MUSIC

SCAN

button

@

DISC

SKIP

button

@

Track

buttons

®

CLEAR

(program

clear)

button

®

MEMO

INPUT

button

@

FILE

button

@

TIME

button

@

FADER

button

@

REPEAT

button

®

[10'LINE

OUT

LEVEL

buttons

@

@

[11]

LEVEL

FILE

button

@

[12]

<<

>

(manual!

search)

buttons

M

[13

|<<

BPI

(AMS)

buttons

@

leleefel

ee)

|

[14]

(stop)

button

©

[15|B>

(play)

button

©

(16]IM

(pause)

button

@

17]

CHECK

(program

check)

button

@

18]

>20

(over

20)

button

@

19|DISC

selectors

©

20}PLAY

MODE

buttons

CONTINUE

button

©

SHUFFLE

button

@

PROGRAM

button

®

BANK

button

@

Buttons

with

yellow

letters

(A,

8,

C,

......

)

are

for

writing

a

disc

memo

(page

22).

CDP-C90ES/C910

SECTION

2

SWITCH

AND

SENSOR

OPERATIONS

Q601

HS

SENSOR

Detects

number

of

to

plate

gear

rotations

to

find

out

S602

elevator

position.

PST

SWITCH

Detects

is

pack

is

in

or

not.

DeoT

}

DISC

DET

SENSOR

D607

Detects

if

disc

is

S607

EJECT

SWITCH.

;

in

or

not.

Detects

completion

of

eject.

S604

HOME

Detects

is

elevator

is

at

home

Position

or

not.

S603

LOT

Detects

completion

of

linear

Slide

lever

operation.

M602

SAVE/LOAD

MOTOR

Perform

disc

load

save.

S605

LOAD

IN

DET

Detects

is

disc

is

in

or

not.

M601

PACK

EJECT

/LEVER

OUT

MOTOR

Ejects

pack

moves

linear

slide

lever

to

insert

disc

properly

into

pack.

603

ELEVATOR

UP/DOWN

MOTOR

DISC

DET

SENSOR

{

Q602

Moves

elevator

up

and

down.

Detects

if

disc

is

in

or

not.

Q603

SECTION

3

MECHANICAL

ADJUSTMENTS

LEVELING

OF

ELEVATOR

ASSY

Adjusting

Method:

1.

Loosen

a

setscrew

on

the

gear

ASSY

to

free

the

screw

ASSY

on

both

sides.

screw

ASSY

Cm

gear

ASSY

g

Shift

the

gear

ASSY

a

little

to

screw

ASSY

disengage

from

the

screw

ASSY.

2

Rotating

the

screw

ASSY

on

both

side

in

arrow

direction,

raise

the

elevator

ASSY

while

keeping

it

level

until

the

elevator

rise-up

portion

touches

the

chassis

fin,

then

th

Aten

a

setscrews

on

the

year

ASSY.

(See

“Leveling

of

Elevator

ASSY”.)

Note:

Do

not

further

rotate

the

screw

ASSY

after

touch.

chassis

fin

Raise

the

elevator

ASSY.

elevator

AS

——

:

<J

Note:

Do

not

allow

grease

in

the

screw

ASSY

to

stick

to

the

belt

of

gear

ASSY.

ADJUSTMENT

OF

ELEVATOR

ASSY

HEIGHT

Adjusting

Method:

1.

Rotating

the

belt

of

gear

ASSY

in

the

arrow

direction,

raise

the

elevator

ASSY

until

it

touches

the

chassis.

chassis

elevator

ASSY

belt

gear(S)

screw

ASSY

gear

ASSY

screw

ASSY

2

Assuming

that

the

marked

tooth

on

gear(S)

is

the

first

tooth,

align

the

fourth

tooth

with

chassis

rise-up

portion,

and

fix.

rise-up

portion

fourth

tooth

first

tooth

gear(S)

SECTION

4

ELECTRICAL

BLOCK

CHECKING

Note:

i.

CD

Block

basically

constructed

to

operate

with-

out

adjustment.

Therefore,

check

each

item

in

order

given.

2.

Use

YEDS-18

disc

(3-702-101-01)

unless

otherwise

indicated.

3.

Use

the

oscilloscope

with

more

than

10MQ

im-

pedance.

4.

Clean

an

object

lens

by

an

applicator

with

neutral

detergent

when

the

signal

level

is

low

than

specified

value

with

the

following

checks.

S

Curve

Check

oscilloscope

BD

board

am

|O

TP(EFO)

TP(VC)

Om—L0

-

Precedure:

1.

Connect

osilloscope

to

test

point

TP(FEQO)

on

BD

board.

2.

Connect

between

test

point

TP(FES)

and

TP

(VC)

by

lead

wire.

3.

Turned

Poswer

switch

on

and

actuate

the

focus

serch.(actuate

the

focus

serch

when

disc

table

is

moving

in

and

out.)

4.

Check

the

oscilloscope

waveform(S

curve)

is

symmetrical

between

A

and

B.

And

confirm

peak

to

peak

level

within

3+1Vp-p.

S

curve

waveform

symmetry

within

3

1Vp-p

5.

After

check,

remove

the

lead

wire

connected

in

step

2.

Note

:

-

Try

to

mesure

several

times

to

make

sure

that

the

ratio

of

A:B

or

B:A

is

more

than

10:7.

*

Take

sweep

time

as

long

as

possible

and

light

up

the

brightness

to

obtain

best

waveform.

RF

Level

Check

oscilloscope

BD

board

aN

TP(RF

)

aaa

x

+

TP(VC)

O=i——O

-

Procedure:

1.

Connect

oscilloscope

to

test

point

TP(RF)

on

BD

board.

.

Turn

Power

switch

on.

.

Put

dise(YEDS-18)

in

and

playback.

.

Confirm

that

oscilloscope

waveform

is

clear

and

check

RF

signal

level

is

correct

or

not.

Note:

Clear

RF

signal

waveform

means

that

the

shape

"©

can

be

clearly

distinguished

at

the

center

of

the

wave-

form.

dm

Oo

IN

”

VOLT/DIV

:

200mV

RF

signal

waveform

TIME

/DIV

:

S00nS

AX

A}

ARR

AN

WA

level:

1.2

+02

yp.

~0.4

VPP

WN)

\

MN

ss

WM

|

E-F

Balance

Check

oscilloscope

BD

board

sce

TP(EFO)

TP(VC)

ow—lo

-

Procedure:

1.

Connect

test

point

TP(ADJ)

to

ground

and

TP

(TES)

to

TP(VC)

with

lead

wire.

2.

Connect

oscilloscope

to

test

point

TP(TEO)

on

BD

board.

Traverse

oscilloscope

symmetry

level

:

2-1Vp-p

3.

Turn

Power

switch

on.

.

Put

disc(YEDS-18)

in

and

playback.

5.

Confirm

that

the

osilloscope

waveform

is

sym-

metrical

on

th

top

and

bottm

in

relation

to

1V,

and

check

this

level.

6.

Remove

the

lead

wire

connected

in

step

1.

—

RF

PLL

Free-run

Frequency

Check

Adjustment

Locations:

(BD

board)

Procedure:

1.

Connect

frequency

counter

to

test

point(PCK)

with

lead

wire.

—

conductor

side

—

frequency

counter

-CNIOZ-

Main

board

vane

TP(PCK)

Ont

-O+

30

16

x"

done

ie

ioe

fF

*

:

a

TEOS

OVE

t

15

og

8

.

RVIOZ”

A

fES.

2.

Turn

Power

switch

on.

Se

FOCUS

Gain?

OFEQ.

©

3.

Confirm

that

reading

on

frequency

counter

is

TES

ee

8

ot

4.3218MHz.

av

Qo”

SP

RVIOL

Focus/Tracking

Gain

©

TRANG

ox

This

gain

has

a

margin,

so

even

if

it

is

slightly

off.

There

is

no

problem.

Therefore,

do

not

perform,

this

adjustment.

Please

note

that

it

should

be

fixed

to

mechanical

cen-

ter

position

when

you

moved

and

do

not

know

original

position.

(Main

board)

—

component

side

—

1COS]

+

a

a“

|

©)

ca01

C301

aoe

|

is

J

(PCK)

C)caoe

ee

(ADJ)

J

SECTION

5

DIAGRAMS

—

UB

Teg

BO

Pe

5-1.

PRINTED

WIRING

BOARDS

@

Refer

to

page

20,21

for

Circuit

Boards

Location

and

Semiconductor

Lead

Layouts.

@

Semiconductor

Location

i

“7

‘aa

_

SS

Se

=

|

ae

B

=

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