Sony Cdp-411 User manual

CDP-411/911/D7

SERVICE

MANUAL

HIGH

DENSITY

Lanes

EAR

CONVENE

Sree

ER

US

Model

UK

Model

CDP-411

Canadian

Model

CDP-D7

E

Model

AEP

Model

Australian

Model

CDP-

411/511/D7

Photo:CDP-

511

SPECIFICATIONS

Compact

disc

player

Laser

Semiconductor

laser

Wavelength

780

-

790

nm

Frequency

response

2

Hz

to

20

kHz

+0.5

dB

CDP-411/D7:

More

than

102

dB

CDP-511:

More

than

107

dB

More

than

98

dB

CDP-411/D7:

Less

than

0.0035%

CDP-511:

Less

than

0.003%

CDP-411/D7:

More

than

100

dB

CDP-511:

More

than

102

dB

Signal-to-noise

ratio

Dynamic

range

Harmonic

distortion

Channel

separation

Outputs

LINE

OUT

(FIXED)

(phono

jacks)

Output

level

2

V

(at

50

kilohms)

Load

impedance

over

10

kilohms

LINE

OUT

(VARIABLE)

(phono

jacks)

(except

for

non-European

model

CDP-411)

Output

level

max.

2

V

(at

50

kilonms)

Load

impedance

over

50

kilohms

DIGITAL

OUT

(OPTICAL)

(optical

output

connector)

Wave

length

660

nm

Output

level

-18

dBm

PHONES

(stereo

phone

jack)

Output

level

max.

10

mW

Load

impedance

32

ohms

General

Power

requirements

AEP

model:

220

V

—

230

V

AC,

50/60

Hz

Canadian

model:

120

V

AC,

60

Hz

Australian

model:

240

V

AC,

50

Hz

Other

models:

110

—

120/220

—

240

V

AC,

adjustable

with

the

voltage

selector,

50/60

Hz

Model

Name

Using

Similar

Mechanism

CD

Mechanism.

Type

New

CDM14-58D10

:

CDM14-5BD11

BU-5BD10

BU-58D10B

BU-5BD11

Optical

Pick-Up

Block

Type

OQ

Oo

<=

NS

ai on

ow

2

oS)

CDP-411/511:

12

W

CDP-D7:

14

W

Dimensions

(approx.,

including

projections)

430

x

110

x

295

mm

(w/h/d)

(17

x

4

5/,

x

11

°/s

inches)

CDP-411:

3.7

kg

(8

Ibs

3

oz)

CDP-511/D7:

3.8

kg

(8

Ibs

6

0z)

Power

consumption

Mass

(approx.)

Remote

commander

Remote

control

system

Infrared

control

Power

requirements

3

V

DC

with

two

R6

(size

AA)

batteries

Dimensions

(approx.,

including

projections)

40

x

20

x

175

mm

(w/h/d)

(1

5/5

x

15/45

x

7

inches)

Mass

(approx.)

95

g

(4

02)

Supplied

accessories

Audio

cord

(1)

(2

phono

plugs

—

2

phono

plugs)

Remote

commander

(1}

Sony

SUM-3

(NS)

batteries

(2)

Plug

adaptor

(1)

(except

for

European,

Canadian,

and

Australian

models)

Design

and

specifications

are

subject

to

change

without

notice.

COMPACT

DISK

PLAYER

SONY.

TABLE

OF

CONTENTS

Section

Title

1.

GENERAL

ssnestitees

tar

ter

oueay

Renee

reiees

2.

DISASSEMBLY

-->

+--+

eee

eer

eee

e

teen

een

eee

3.

ELECTRICAL

BLOCK

CHECKING

:::--:::----

4.

DIAGRAMS

4-

1.

Ic

Block

Diagram

semen

eee

eeeeees

ee

eene

4-2.

Printed

Wiring

Boards:++++++reereeeeees

4-3.

Schematic

Diagram

(1/2)

—

TYPE

CDP-D7

ee

err

4-4,

Schematic

Diagram

(1/2)

=

TYPE

CDP-411/5l11

ee

4-5,

Semiconductor

Lead

Layouts:++++++++:

4-6.

Schematic

Diagram

(2/2)+++++++eeeeeeee

4-7,

Ic

Block

Diagram

ee

a

ee

aera

4-8,

Circuit

Boards

Location

-+++++++++eeeees

4-9.

IC

Description

«rere

ree

eee

ee

eee

ee

eens

5.

EXPLODED

VIEWS

5-1.

Cabinet

Section

-+-+++++ssseseeerereetees

5-2.

CD

Mechanism

Section

(CDM14-5BD10/5BD11)

«+++

ee

reese

ress

5-3.

CD

Mechanism

Section

-

(CDM25-5BD1O)

-+ecetseetncerceeccceens

5-4,

Pic-Up

Block

2

(BU-5BD10/5BD11/5BD10B)

-++++-++++:

6.

ELECTRICAL

PARTS

LIST

---+++--+-0eeeee

ee

ere

15

i

oedions

19

MODEL

IDENTIFICATION

—

SPECIFICATION

LABEL

—

SONY:

COMPACT

DISC

PLAYER

SERIAL

NO.

MADE

IN

JAPAN

MODEL

NO./

CDP-

411

CDP-511

US,

Canadian

MODEL:

AC:120V

60Hz

12W

AC:220-230V~

50/60Hz

AC:240V~

50/60Hz

AC:110-120,

220-240V~

50/60Hz

12W

AEP

MODEL:

Australian

MODEL:

E

MODEL:

SONY.

COMPACT

DISC

PLAYER

VLLLLLLLLLL

LAL

LLL

SERIAL

NO.

MADE

IN

FRANCE

CDP-

411

CDP-511

CDP-D7

MODEL

NO.

24“227_

|

AEP,

Germany

MODEL

:

AC

:

220-230~50-60Hz

UK

MODEL

:

AC

:

240V~50/60Hz

SAFETY

CHECK-OUT

NOTES

ON

HANDLING

THE

OPTICAL

PICK-

UP

BLOCK

OR

BASE

UNIT

The

laser

diode

in

the

optical

pick-up

block

may

suffer

electrostatic

breakdown

because

of

the

poten-

tial

difference

gencrated

by

the

charged

electrostatic

load,

etc.

on

clothing

and

the

human

body.

During

repair,

pay

attention

to

electrostatic

break-

down

and

also

use

the

procedure

in

the

printed

After

correcting

the

original

service

problem,

perform

the

following

safty

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.

matter

which

is

included

in

the

repair

parts.

The

flexible

board

is

easily

damaged

and

should

be

handled

with

care.

LEAKAGE

TEST

The

AC

leakage

from

any

exposed

metal

part

to

earth

ground

and

from

all

exposed

metal

part

to

any

exposed

metal

part

having

a

retum

to

chassis,

must

not

exceed

0.5

mA

(S00

microampers).

Leakage

current

can

be

measured

by

any

one

of

three

NOTES

ON

LASER

DIODE

EMISSION

CHECK

The

laser

beam

on

this

model

is

concentrated

so

as

to

be

focused

on

the

disc

reflective

surface

by

the

methods.

objective

lens

in

the

optical

pick-up

block.

There-

fore,

when

checking

the

laser

diode

emission,

observe

more

than

25

cm

away

from

the

objective

lens.

1.

A

commercial

leakage

tester,

such

as

the

Simpson

229

or

RCA

WT-540A.

Follow

the

manufacturers’

instructions

to

use

these

instm-

ments.

This

appliance

is

classified

as

a

CLASS

1

LASER

product.

The

CLASS

1

LASER

PRODUCT

MARKING

is

located

on

the

rear

exterior.

;

CLASS

1

LASER

PRODUCT

LUOKAN

1

LASERLAITE

2.

<A

_

battery-operated

AC

milliammeter.

The

Data

Precision

245

digital

multimeter

is

suitable

for

eee

KLASS

1

LASERAPPARAT

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

0.75V,

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

2V

AC

range

are

suitable.

(See

Fig.

A)

The

following

caution

label

is

located

inside

of

the

unit.

CAUTION

—

;:

INVISIBLE

LASER

RADIATION

WHEN

OPEN,

AVOID

EXPOSURE

TO

BEAM.

-

USYNLIG

LASERSTRALING

VED

ABNING

NAR

ADVARSEL

:

SIKKERHEDSAFBRYDERE

ER

UDE

AF

FUNKTION.

UNDGAUDS

/ETTELSE

FOR

STRANING.

VAROI

:

AVATTAESSA

JA

SUQJALUKITUS

OHITETTAESSA

DLET

ALTTIINA

LASERSATEILYLLE.

VARNING

_

:

LASERSTRALING

NAR

DENNA

DEL

AR

OPPNAD

OCH

SPARREN

AR

URXOPPLAD.

ADVARSEL

:

USYNLIG

LASERSTRALING

NAR

DEKSEL

APNES

UNNGA

EKSPONERING

FOR

STRALEN.

To

Exposed

Metal

Parts

on

Set

For

customers

of

the

model

equipped

with

the

voltage

selector

Check

to

confirm

that

the

voltage

selector

is

set

to

the

local

power

line

voltage.

If

not,

set

the

voltage

selector

to

the

correct

position

AC

before

connecting

the

AC

power

cord

to

a

voltmeter

wall

outlet.

(0.75V)

110-120

V

[—

220-240V

ae

y

NS

Earth

Ground

Fig.

A.

Using

an

AC

voltmeter

to

check

AC

leakege.

ATTENTION

AU

COMPOSANT

AYANT

RAPPORT

A

LA

SECURITE!

LES

COMPOSANTS

IDENTIFIES

PAR

UNE

MARQUE

A

SUR

LES

DIAGRAMMES

SCHEMATIQUES

ET

LA

LISTE

DES

PIECES

SONT

CRITIQUES

POUR

LA

SECURITE

SAFETY-RELATED

COMPONENT

WARNINGI!!

COMPONENTS

IDENTIFIED

BY

MARK

A\

OR

DOTTED

LINE

WITH

MARK

/\

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.

DE

FONCTIONNEMENT.

NE

REMPLACER

CES

COM-

POSANTS

QUE

PAR

DES

PIECES

SONY

DONT

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NUMEROS

SONT

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SECTION

2

DISASSEMBLY

NOTE:

Follow

the

disassembly

procedure

in

the

numerical

order

given.

Turn

the

cam

to

the

direction

of

arrow

(Counter

clock

wise)

by

minus

screw

driver.

Take

off

the

disc

table.

Remove

the

yoke

bracket.

Remove

the

MD

(BU-5BD10/5BD10B/5BD11)

to

the

direction

of

arrow.

ooe®

©

Yoke

bracket

BU-5BD10,10Bor11

|

3)

r3

gas

~

\

SX

Cam

SECTION

3

ELECTRICAL

BLOCK

CHECKING

Note:

as

CD

Block

basically

constructed

to

operate

without

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

10M

22

impedance.

A,

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

poe

TP

(FEO)

eae

We

er

TP

(VC)

o~=——o

—-

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1.

Connect

oscilloscope

to

test

point

TP

(FE)

on

BD

board.

2.

Connect

between

test

point

TP

(FEI)

and

TP

(VC)

by

lead

wire.

.

3.

Turned

Power

switch

on

and

actuate

the

focus

search.

(actuate

the

focus

search

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

measure

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

fy

TP

CRFO)

cee

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TP

(VC)

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-—

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1.

Connect

oscilloscope

to

test

point

TP

(RFO)

on

BD

board.

2.

Turn

Power

switch

on.

3.

Put

disc

(YEDS-18)

in

and

playback.

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that

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waveform

is

clear

and

check

RF

signal

level

is

correct

or

not.

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Clear

RF

signal

waveform

means

that

the

shape

“©”

can

be

clearly

distinguished

at

the

center

of

the

waveform.

VOLT/DIV

:

200mV

TIME/

DIV

:

500nS

level

:

1.24938Vp-p

on

TAN

9,9,

AREER

HAAR

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Balance

Check

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BD

board

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tamee

TP

CTE)

TP

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—

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Connect

test

point

TP

(ADJ)

to

ground

and

TP

(TEI)

to

TP

(VC)

with

lead

wire.

Connect

oscilloscope

to

test

point

TP

(TE)

on

BD

board.

Turn

Power

switch

on.

Put

disc

(YEDS-18)

in

and

playback.

Confirm

that

the

oscilloscope

waveform

is

symmetrical

on

the

top

and

bottom

in

relation

to

OV,

and

check

this

level,

Traverse

waveform

level:

2+1Vp-p

6.

Remove

the

lead

wire

connected

in

step

1.

RF

PLL

Free-

run

Frequency

Check

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1.

Connect

frequency

counter

to

test

point

(PCK)

with

lead

wire.

frequency

counter

BD

board

cles

eee

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TP

(PCK)

<9

+

2.

Turn

Power

switch

on.

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Confirm

that

reading

on

frequency

counter

is

4.

3218MHz.

Adjustment

Location:

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BOARD]

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Conductor

side

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Sony CDP-411 User manual

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