Sony CDP-557ESD Manuel utilisateur

Compact

disc

player

System

Laser

output

Frequency

response

Signal

noise

ratio

Harmonic

distortion

Wow

and

flutter

Below

measurable

limit

Channel

separation

Photo:

CDP-557ESD

SPECIFICATIONS

less

than

44.6

This

output

the

value

measured

distance

200

from

the

objective

lens

surface

the

Optical

Pick-up

Block.

CDP-557ESD:

—

kHz

+0.5

CDP-707ESD:

—

kHz

+0.3

than

115

Less

than

0.0015%

than

110

Outputs

LINE

OUT

(FIXED)

(phono

jacks)

LINE

OUT

(VARIABLE)

(phono

jacks)

DIGITAL

OUT

(COAXIAL)

(phono

jacks)

DIGITAL

OUT

(OPTICAL)

(optical

output

connector)

HEADPHONES

(stereo

phone

jack)

CAUTION

Model

Canadian

Model

CDP-707ESD

AEP

Made!

Model

COP-557ESD

Output

level

(at

kilohms)

Load

impedance

over

kilohms

Output

impedance

200

ohms

Output

level

max.

(at

kilohms)

Load

impedance

over

kilohms

Output

impedance

200

ohms

—

5.1

kilohms

Output

level

0.5

Vp-p

(at

ohms)

Load

impedance

ohms

Wave

length

660

Output

level

-18

dBm

Output

level

max.

Load

impedance

ohms

Use

controls

adjustments

performance

procedures

other

than

those

specified

herein

may

result

hazardous

radiation

exposure.

COMPACT

DISC

PLAYER

CDP-557ESD/707ESD

General

AEP

Mocel!:

220

(or

240

adjustable

Sony

personnel),

50/60

Model

for

the

United

King

240

(or

220

adjustable

Sony

personnel),

US,

Canadian

Model:

(CDP-707ESD)

120

AC,

Power

—

22W

consumption

Dimensions

“|

CDP-557ESD

(approx.)

(UK

Model)

Power

requirements

430

125

375

(wih/d)

(17

145/s

inches)

CDP-707ESD/

CDP-557ESD

(AEP

Model)

470

125

375

(w/h/d)

(185/a

145/a

inches)

including

projecting

parts

and

controls

Weight

(approx.)

CDP-557ESD

chp

ity

(UK

Model)

(37

lbs

02)

CDP-707ESD/

CDP-557ESD

(AEP

Model)

(39

Ibs

oz)

phono

plugs—2

phono

plugs)

Supplied

accessories

Audio

signal

connecting

cord

Remote

commander

Sony

SUM-3

(NS)

batteries

Screw

driver

SAFETY-RELATED

COMPONENT

WARNINGI!!

COMPONENTS

IDENTIFIED

SHADING

AND

MARK

THE

SCHEMATIC,

DIAGRAMS

AND

THE

PARTS

LIST

ARE

CRITICAL

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

SHOWN

THIS

MANUAL

SUPPLEMENTS

PUBLISHED

SONY.

Remote

commander

Remote

control

system

Infrared

control

Power

with

two

(size

AA)

batteries

requirements

Dimensions

Approx.

168.5

(w/h/d)

(24/2

4/16

63/4

inches)

Approx.

130

02)

including

batteries

Weight

MODEL

IDENTIFICATION

—

Specification

Labels

—

SONY:

COMPACT

DISC

PLAYER

LLL

MODEL

NO,

SERIAL

NO.

MADE

.IN

JAPAN

US,

Canadian

model:

AC:

120

V~60Hz

AEP,

model:

AC:

220

50/60

model:

AC:

240

50/60

Features

Custom

file

function

Disc

memo

function

for

writing

comment

about

disc.

Program

bank

function

for

storing

programmed

playing

order.

Custom

index

function

for

assigning

your

own

index

point

any

desired

position

disc.

Program

play

You

can

play

selections

the

desired

order.

Pause

can

also

programmed.

You

can

also

confirm

the

total

playing

time

while

choosing

the

selection

programmed.

Variety

playing

modes

Single

play,

program

play,

shuffle

play

and

repeat

play

well

normal

continuous

play

whole

disc.

Large

and

easy-to-read

window

display

Shows

the

elapsed

playing

time,

the

remaining

time

the

selection

being

played,

the

remaining

time

the

whole

disc

the

remaining

programmed

selection

numbers.

The

display

contains

music

calendar

indicating

all

the

numbers

the

selections

the

disc

(up

20).

ATTENTION

COMPOSANT

AYANT

RAPPORT

SECURITE!

LES

COMPOSANTS

IDENTIFIES

PAR

UNE

TRAME

UNE

MARQUE

SUR

LES

DIAGRAMMES

SCHE-

MATIQUES

LISTE

DES

PIECES

SONT

CRITIQUES

POUR

SECURITE

FONCTIONNEMENT.

REM-

PLACER

CES

COMPOSANTS

QUE

PAR

DES

PIECES

SONY

DONT

LES

NUMEROS

SONT

DONNES

DANS

MANUEL

DANS

LES

SUPPLEMENTS

PUBLIES

PAR

SONY.

TABLE

CONTENTS

Section

Title

Page

SPeCiiCatiONns.

434-6

eat

whe

ote

]

Model

Identification

................0..

TGATULOS:

4,4:

dove

eed

ied

Gene

matety

Check-OUT

25:

fick

aka

Ske

DELVICING

NOK.

cin

cule

Location

Controls...................

DISASSEMBLY

Nut

Vplume

Removal

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

ELECTRICAL

ADJUSTMENTS

Adjustment

Mode.................

PLL

Adjustment

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

Focus

Bias

Adjustment

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

E-F

Balance

Adjustment

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

Reference

—

Focus/Tracking

Gain

Adjustment

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

000000008

Distortion

Adjustment..............

DIAGRAMS

3-1.

Optical

Pcik-Up

Block

Mounting

Diagram

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

3-2.

Block

Diagrams

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

Dd~

WAVELOPINS:

oq.

aiaes

chee

OE Se

3-4.

Main

Section

Mounting

Diagram

.......

3-5.

Main

Section

Schematic

Diagram

.......

3-6.

Display

Section

Mounting

Diagram

.....

3-7.

Semiconductor

Lead

Layouts

.........

3-8.

Display

Section

Schematic

Diagram

.....

EXPLODED

VIEWS

AND

PAR

TS:

LISS:

ota

244}.

oad

eas

ELECTRICAL

PARTS

LIST.........

Troubleshooting

Guide

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

CDP-557ESD/707ESD

SAFETY

CHECK-OUT

After

correcting

the

original

service

problem,

perform

the

following

safety

check

before

releasing

the

set

the

customer:

Check

the

antenna

terminals,

metal

trim,

“‘metallized”’

knobs,

screws,

and

all

other

exposed

metal

parts

for

leakage.

Check

leakage

described

below.

LEAKAGE

TEST

The

leakage

from

any

exposed

metal

part

earth

ground

and

from

all

exposed

metal

parts

any

exposed

metal

part

having

return

chassis,

must

not

exceed

0.5mA

(500

microampers).

Leakage

current

can

measured

any

one

three

methods.

commercial

leakage

tester,

such

the

Simpson

229

RCA

WT-540A.

the

manufacturers’

instructions

use

these

instru-

ments.

battery-operated

milliammeter.

The

Data

Precision

245

digital

multimeter

suitable

for

this

job.

Measuring

the

voltage

drop

across

resistor

means

VOM

battery-operated

volt-

meter.

The

“limit”

indication

0.75

analog

meters

must

have

accurate

low-

voltage

scale.

The

Simpson

250

and

Sanwa

SH-63Trd

are

examples

passive

VOM

that

suitable.

Nearly

all

battery

operated

digital

multimeters

that

have

range

are

suitable.

(See

Fig.

Exposed

Metal

Parts

Set

voltmeter

(0.75

—

Earth

Ground

Using

voltmeter

check

leakage.

CDP-557ESD/707ESD

SERVICING

NOTES

~NOTES

HANDLING

THE

OPTICAL

PICK-

NOTES

LASER

DIODE

EMISSION

CHECK

BLOCK

BASE

UNIT

The

laser

beam

this

model

concentrated

focused

the

disc

reflective

surface

the

objective

lens

the

optical

pick-up

block.

There-

fore,

when

checking

the

laser

diode

emission,

observe

than

away

from

the

objective

lens,

The

laser

diode

the

optical

pick-up

block

may

suffer

electrostatic

breakdown

because

the

poten-

tial

difference

generated

the

charged

electrostatic

load,

etc.

clothing

and

the

human

body.

During

repair,

pay

attention

electrostatic

break-

LASER

DIODE

AND

FOCUS

SERCH

OPERA-

down

and

also

use

the

procedure

the

printed

TION

CHECK

matter

which

included

the

repair

parts.

Remove

disc

pully

lifting

chucking

arm

The

flexible

board

easily

damaged

and

should

hand,

(Fig.

handled

with

care.

Make

POWER

switch

with

disc

inserted

and

disc

table

closed.

Confirm

that

the

operation

indicated

Fig.

ADVARSEL!!

performed

while

observing

the

objecting

lens.

Under

service

gjnene

ikke

komme

ner

objektiv-linsen

den

optiske

pick-up

enhed.

tilfeelde

det

ngdvendigt

kontrollere

udsendelsen

laserlys,

skal

det

ske

afstand

mere

end

25cm

fra

den

optiske

pick-up.

LASER

ADVARSEL

MARKNING

rig.

Remove

here

first.

Felgende

merkning

findes

indvendig

apparatet:

Advarsel

Mzerkning

CAUTION

;

INvisiBLE

LASER

RADIATION

WHEN

OPEN

AND

INTERLOCKS

DEFEATED.

AVOID

EXPOSURE

BEAM.

ADVARSEL

usyntiG

LASERSTRALING

VED

A®BNING

NAR

SIKKERHEDSAFBRYDERE

UDE

FUNKTION

UNDGA

UDSATTELSE

FOR

STRALING.

885

843

VAROITUS:

Laite

sisaltaa,

laserdiodin,

joka

lahettaa

(nakymatonta)

silmille

vaarallista

lasersateilya.

Fig.

Lift

chucking

arm

hand

the

direction

arrow.

(1)

Confirm

that

laser

beam

spread.

(2)

and

down

motion

the

objective

lens.

times}

Fig.

Note

the

Transit

Screw

Turn

the

unlt

upside

down

turn

the

screw.

Transit

screw

Before

operating

the

player,

sure

turn

the

transit

screw

described

the

label

the

bottom

the

unit.

Remove

the

cap

the

screw.

Turn

the

screw

180

degrees

counterclockwise

using

the

supplied

screwdriver.

not

turn

the

screw

excessively,

the

unit

may

damaged.

When

transporting

the

unit

again,

turn

the

transit

screw

the

reverse

direction.

When

You

Use

the

Player

for

the

First

Time

FILE

Illustration:

CDP-707ESD

Tum

the

power

pressing

POWER

while

keeping

ERASE

and

FILE

pressed.

This

will

clear

the

internal

memory

you

have

been

instructed

how

use

the

custom

file

function

the

shop

you

purchased

the

player.

Thus

the

player

returns

the

same

status

was

manufactured

factory.

Mover-jt(e)a

Me)

Mmece)nyice)

(am

Front

Panel

>20

(over

20)

button

4— —»

INDEX

button

REPEAT

button

SPACE/PAUSE

(auto

space/auto

pause)

button

DISPLAY

button

Disc

compartment

POWER

switch

CDP-557ESD/707ESD

CHECK

(program

check)

button

CLEAR

(program

clear)

button

FILE

(custom

file)

button

Numeric

buttons

INDEX

MODE

button

PLAY

MODE

buttons

PROGRAM

button

SHUFFLE

button

Remote

sensor

TIMER

switch

(open/close)

button

(play)

button

Display

window

(pause)

button

AMS

abbreviation

Automatic

Music

Sensor.

CONTINUE/SINGLE

button

LEVEL

control

LINE

OUTIHEADPHONE

HEADPHONES

jack

ERASE

(memory

erase)

button

(manual

search)

buttons

Ké<@

me!

(AMS*)

buttons

(stop)

button

Remote

Commander

PLAY

MODE

buttons

PGM

(program)

button

SHUFFLE

button

CONTINUE

button

SINGLE

button

(open/close)

button

>20

(over

20)

button

DISPLAY

button

repeat

button

CLEARIREPEAT

repeat

clear/repeat)

button

(play)

button

(pause)

button

(stop)

button

Numeric

buttons

CLEAR

(program

clear)

button

FILE

(custom

file)

button

INDEX

MODE

(custom

index

mode)

button

AMS

buttons

INDEX

buttons

<4<4

(manual

search)

buttons

pp»

SLOW

(low

speed

manual

search)

buttons

LINE

OUT

VOLUME

(line

out/fheadphone

volume)

buttons

CDP-557ESD/707ESD

SECTION

DISASSEMBLY

NUT

VOLUME

REMOVAL

After

loosen

the

nut

plier,

rotating

nut

with

tweezers

makes

easy

remove

it.

power

cord

(1]

LINE

OUT

(audio

output)

jacks

FIXED:

Output

the

signal

the

fixed

level.

VARIABLE:

Output

the

signal

the

level

set

the

LINE

OUT/HEADPHONE

LEVEL

control.(or

LINE

OUT

VOLUME

buttons

the

remote

commander).

[2]

OUTPUT

SELECTOR

Selects

the

output

connectors

used.

DIGITAL

OUT:

Digital

signal

output

through

the

DIGITAL

OUT

jacks.

signal

output

through

the

LINE

OUT

jacks

the

HEADPHONES

jack.

LINE

OUT:

Audio

signal

output

through

the

LINE

OUT

jacks

the

HEADPHONES

jack.

signal

output

through

the

DIGITAL

OUT

jacks.

(Be

sure

set

this

position

when

you

listen

the

music

through

the

headphones

the

LINE

OUT

jacks.)

[3]

DIGITAL

OUT

(digital

audio

output)

jacks

Output

the

digital

audio

signals.

;

COAXIAL:

connected

digital

input

jack

the

amplifier

the

D/A

converter

unit.

OPTICAL:

connected

the

amplifier

having

optical

input

jack.

Note:

the

LINE

OUT/HEADPHONE

LEVEL

control

turned

while

recording

through

the

VARIABLE

LINE

OUT

jacks,

the

level

the

recorded

sound

will

dif-

ferent

from

that

set

the

recording

level

controls

the

tape

deck.

CDP-557ESD/707ESD

SECTION

ELECTRICAL

ADJUSTMENTS

2-1.

ELECTRICAL

ADJUSTMENTS

PLL

Adjustment

Perform

adjustments

the

order

given.

Use

YEDS-18

disc

unless

otherwise

indicated.

Procedure:

fri

equency

coun

ter

digital

board

[

——

ee,

(PLCK)

0=———_O

(GND)

o-——o

Use

the

oscilloscope

with

than

MQQ

im-

pedance.

Connect

main

board

test

point

ASY

and

GND.

Adjustment

Mode

Connect

digital

board

test

point

ADJ

and

GND.

This

prevent

the

disc

table

from

opening

Connect

the

frequency

counter

main

board

test

points

PLCK

and

GND.

Turn

POWER

switch

(stop

mode).

Adjust

digital

board

RV201

that

reading

frequency

counter

4.3218

MHz

kHz.

even

though

pits

are

not

read,

making

micro-

computer

[C301

68)

low.

Turn

POWER

switch

on.

(To

reset

microcomputer.)

Reconnect

lead

wires

connected

adjustment

mode.

Put

disc

(YEDS-18)

and

press

PLAY

button.

After

adjustment,

remove

the

lead

wire

connecting

test

points

ADJ

and

GND.

Adjustment

Location:

digital

board

: ;

pais

Confirm

that

reading

frequency

counter

4.3218

MHz.

Adjustment

Location:

digital

board

test

point

ADJ

(Connect

the

lead

wire

from

this

test

point

GND.)

(PLCK)

CDP-557ESD/707ESD

Focus

Bias

Adjustment

E-F

Balance

Adjustment

This

adjustment

should

made

when

replacing

This

adjustment

should

made

when

replacing

Optical

Pick-up.

Optical

Pick-up.

Procedure:

oscilloscope

Connect

oscilloscope

test

points

and

GND.

(DC

range)

: :

Put

set

into

adjustment

mode.

(See

page

7.)

digital

board

Turn

POWER

switch

on.

(mac

EN.

(RF)

Put

disc

(YEDS-18)

and

press

button.

(GND)

Adjust

RV101

that

the

traverse

waveform

symmetrical

above

and

below.

Connect

oscilloscope

test

points

and

GND.

After

adjustment,

cancel

the

adjustment

mode.

(See

page

7.)

Put

set

into

adjustment

mode.

(See

page

7.)

Turn

POWER

switch

on.

Put

disc

(YEDS-18)

and

press

button.

Adjust

RV104

for

optimum

waveform

eye

pat-

tern

that

the

peak

maximum.

Optimum

eye

pattern

means

that

shape

“©”

can

clearly

VOLT/DIV:

;

TIME/DIV:

ims

distinguished

the

center

the

waveform.

Adjustment

Location:

digital

board

{

iit

XXXXX\

RHA

ha,

safe

eee

(XA

AAA

\YXXX

;

Adjustment

Location:

digital

board

(GND)

(RF)

Distortion

Adjustment

This

adjustment

should

made

only

when

replacing

D/A

converter

and

components

the

—15

system

power

supply

block.

‘distortion

meter

LINEOUT

Put

disc

(YEDS-18)

and

playback

kHz,

signal

track

(second

track).

Adjust

the

following

volumes

order

given

atrows

that

the

distortion

minimum.

L-CH:

RV404

RV403

RV401

RV402

R-CH:

RV504

RV503

RV501

RV502

Confirm

the

specification

satisfied.

When

out

specification,

repeat

item

and

several

times.

Specification:

0.003%

and

below

Adjustment

Location:

main

board

RV501

RV502

RV403

RV402

RV504

RV503

RV404

RV401

CDP-557ESD/707ESD

REFERENCE

Focus/Tracking

Gain

Adjustment

frequency

responce

analyzer

necessary

order

perform

this

adjustment

exactly.

However,

this

gain

has

margin,

even

slightly

off,

there

problem.

Therefore,

not

perform

this

adjustment.

Focus/tracking

gain

determines

the

pick-up

follow-

(vertical

and

horizontal)

relative

mechanical

noise

and

mechanical

shock

when

the

2-axis

device

operate.

However,

these

reciprocate,

the

adjustment

the

point

where

both

are

satisfied.

When

gain

raised,

the

noise

when

the

2-axis

device

operates

increases.

When

gain

lowered,

mechanical

shock

and

skipping

occurs

easily.

When

gain

adjustment

off,

the

symptoms

below

appear.

Tracking

The

time

until

music

starts

becomes

longer

for

STOP

DPLAY

automatic

selection

(Ke4,

PPI

buttons

pressed.)

(Normally

takes

about

seconds.)

Music

does

not

start

and

disc

continues

rotate

for

STOP

>PPLAY

automatic

selection.

(h4

PPI

buttons

pressed.)

Disc

table

opens

shortly

high

after

STOP>DPLAY.

Sound

interrupted

dur-

ing

PLAY.

time

count-

aed

stops

progress-

noise

during

2-axis

high

device

operation.

The

following

simple

adjustment

method.

—

Primary

Adjustment

—

Note:

Since

exact

adjustment

cannot

performed,

remem-

ber

the

positions

the

controls

before

performing

the

adjustment.

the

positions

after

the

primary

adjust-

ment

are

only

little

different,

return

the

controls

the

original

position.

oscilloscope

(DC

range)

Procedure:

digital

board

[enti

TEOm-

Keep

the

set

horizontal.

the

set

not

horizontal,

this

adjustment

cannot

performed

due

the

gravity

against

the

axis

device.

Put

set

adjustment

mode.

(See

page

7.)

Insert

disc

(YEDS-1)

and

press

PLAY

button.

Connect

oscilloscope

servo

board

FE.

Adjustment

RV103

that

the

waveform

shown

the

figure

below.

(focus

gain

adjustment)

VOLT/DIV:

100mV

TIME/DIV:

2mS

Incorrent

Examples

(DC

level

changes

than

adjusted

waveform)

low

focus

gain

VOLT/DIV:

100mvV

TIME/DIV:

2mS

—OV

high

focus

gain

VOLT/DIV:

100

TIME/DIV:

2mS

Connect

oscilloscope

main

board

TE.

Adjust

RV102

that

the

waveform

shown

the

figure

below.

(tracking

gain

adjustment)

VOLT/DIV:

TIME/DIV:

2mS

Incorrect

Examples

(fundamental

wave

appears)

low

tracking

gain

VOLT/DIV:

TIME/DIV:

2mS

—

high

tracking

gain

(higher

fundamental

wave

than

for

low

gain)

VOLT/DIV:

TIME/DIV:

2mS

——

Adjustment

Location:

digital

board

oof

RV103

(re)

RV102

(FE)

CDP-557ESD/707ESD

3-1.

OPTICAL

PICK-UP

BLOCK

MOUNTING

DIAGRAM

Snnstrsmenmariosien

-«

-—1

See

page

for

notes.

DISC

MOTOR

SEMICONDUCTOR

LOCATION

FINISH

START

ROTATE

DIGITAL

BOARD

(OPTICAL

PICK-UP

BLOCK)

[FLEXIBLE

BOARD(I/2)]

{

,-~seee2},

gow

[FLEXIBLE

BOARD(I/2)]

Eee,

eae

—

rae

RELAY

BOARD

MSI

Siemon

old

SENSOR

COIL

O15

O16

O17

ol8

020)

board

MOTOR

board

L/C

board

BSL

MOTOR

board

OUT

board

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