Teac CD-3 User manual

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IAAI

V24826

T

E

AC

SERVICE

MANUAL

CD-3_

Compact

Disc

Player

COMPACT

DIGITAL

AUDIO

CONTENTS

1

SAFETY

INFORMATION

te,

Sa:

Bvorrat

ah

ok ah

ais

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0

Tele

016

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[ore

acs

BION

SE.

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2

2

SPECIFICATIONS

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3

{+ ER

3

CASE

AND

FRONT

PANEL

REMOVAL

-::--------2-2eseeee

4

HAR

RORLA

4

ADJUSTMENT

AND

CHECKS

---eeee

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cece

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tteeeteneees

5

28k

£

FER

5

EXPLODED

VIEWS

AND

PARTS

LIST

-------eeeeeeee

reer

12

SRR

LIN-—YURh

6

PC

BOARDS

AND

PARTS

LIST

sighed

asaro)

bhovcal

berets

ev

e-e

Yeats

tee

cetera

vette

16

BiRWcEN-YURAb

Effective

:

June

1994

5704069000

CD-3

1

SAFETY

INFORMATION

,

SAFETY

INFORMATION

This

product

has

been

designed

and

manufactured

according

to

FDA

regulations

“title

21,

CFR,

chapter

1,

subchapter

J,

based

on

the

Radiation

Control

for

Health

and

Safety

Act

of

1968”,

and

is

classified

as

class

1

laser

product.

There

is

not

hazardous

invisible

laser

radiation

during

operation

because

invisible

laser

radiation

emitted

inside

of

this

product

is

completely

confined

in

the

protective

housings.

The

label

required

in

this

regulation

is

shown

(1).

CAUTION

@

If

you

remove

the

above-mentioned

housings

under

the

operating

state

of

the

product,

there

is

a

possibility

of

human

access

to

the

invisible

laser

radiation

emitted

from

the

optical

pickup.

Pay

careful

attention,

not

to

let

the

invisible

laser

beam

enter

into

your

eyes.

@

if

you

find

a

troubled

state

of

the

laser

diode,

change

to

the

specified

new

optical

pickup.

@

lf

you

find

a

troubled

state

of

safety

interlock

parts,

change

to

the

same

type

parts

described

in

parts

list.

CERTIFICATION

THIS

PRODUCT

COMPLIES

WITH

DHHS,

RULES

21

CFR

SUBCHAPTER

J

APPLI-

——

CABLE

AT

DATE

OF

MANUFACTURE

TEAC.

CORPORATION

1)

3NAKA:CHO

WAEASHONO

SIM

TORYO

JAPAN,

MANUFACTURED.

Ww

Optical

pickup:

Type

:

KSS-210A

Manufacturer

:

SONY

Corporation

Laser

output

:

Less

than

0.4

mW

on

the

objective

lens

Wavelength

:760

—

800

nm

e

CAUTION

eACHTUNG

e¢OBSERVERA

e¢

ADVARSEL

(THIS

LABEL

IS

ATTACHED

TO

THE

PLACE

AS

ILLUSTRATED

TO

INFORM

@

THAT

THE

APPARATUS

CONTAINS

A

LASER

COMPONENT.

@)

DIESE

AUFKLEBEMARKE

IST

AN

DEM

IN

DER

ABBILDUNG

GEZEIGTEN

ORT

ANGEBRACHT

UM

DARAUF

HINZUWEISEN,

DASS

IM

INNERN

DES

GERATS

EINE

LASER-KOMPONENTE

BEFINDET.

(1)

PASKRIFTEN

SITTER

PA

APPARATEN

SOM

VISAS

SOM

UPPMANING

OM

ATT

APPARATEN

OMFATTAR

EN

INBYGGD

LASERKOMPONENT.

(1)

DETTE

MAERKAT

ER

ANBRAGT

SOM

VIST

|

ILLUSTRATIONEN

FOR

AT

ADVARE

BRUGEREN

OM

AT

APPARATET

INDEHOLDER

EN

LASERKOMPONENT.

@

DETTE

MARKAT

ER

SOM

VIST

PA

ILLUSTRATIONEN

ANBRAGT

PA

INDERSIDEN

AF

TOPD/AEKSLET

FOR

AT

ADVARE

BRUGEREN

OM

AT

YDERLIGERE

FREMTR/AENGEN

VIL

VA-RE

FORBUNDET

MED

FARE

FOR

AT

UDSATTE

SIG

FOR

LASERSTRALING.

ADVARSEL-

BETJENING

AF

ANDRE

KONTROLLER

OG

REGULATORER

ELLER

BENYTTELSE

AF

ANDRE

FREMGANGSMADER

END

BESKREVET

HERI

ER

FORBUNDET

MED

FARE

FOR

USD/ETTELSE

FOR

LASERSTRALING.

VARNIG:

APPARATEN

INNEHALLER

LASER

KOMPONENT

MED

STRALNING

OVERSTIGANDE

KLASS

1

“ADVARSEL:

USYNLIG

LASERSTRALING

VED

ABNING

NAR

SIKKERHEDSAFBRYDERE

ER

UDE

AF

FUNKTION.

UNDGA

CLASS

1

LASER

PRODUCT

fn

eau

Geni

ANE

UDSAETTELSE

FOR

STRALING.

KLASS

1

LASERAPPARAT

“VAROITUS!

SUOJAKOTELOA

El

SAA

AVATA,

LAITE

SISALTAA

LASERDIODIN.

JOKA

LAHETTAA

(NAKYMATONTA)

SILMILLE

VAARALLISTA

LASERSATEILYA’.

ADVARSEL:

USYNLIG

LASERBESTRALING

NAR

DENNE

DELEN

ER

APEN

OG

SIKKERHETSSPERREN

ER

UTKOBLET

UNNGA

UTSETTELSE

FOR

STRALING.

AUDIO

Number

of

Channels

2

SPECIFICATIONS

Frequency

Response

1

—

20,000Hz

+

0.5dB

Signal

to

Noise

Ratio

Dynamic

Range

Harmonic

Distortion

Wow

and

Flutter

Channel

Separation

Output

Analog

Digital

Headphone

D/A

Converter

Digital

Filter

Analog

Filter

PICK

UP

Type

Objective

Lens

Laser

Type

Wave

Length

SIGNAL

FORMAT

Sampling

Frequency

Quantization

Bit

Channel

Bit

Rate

Channel

Modulation

Code

Error

Correction

GENERAL

Power

Requirements

Power

Consumption

{t

(A-F

44)

2

A-F

Aa

AF

v

VRIVER

Bpeescoaca

Better

than

104dB

(1kHz)

SN

EE

Better

than

97dB

(1kHz)

FAt

2

vv

0.0022

%

(1kHz)

Ppa

Unmeasurable

(Quartz

accuracy)

DIDI

9-

Better

than

102dB

(1kHz)

FrVAaAIenyp—-vay

1.7Vrms

FFOTLA

0.5Vp-p/

75

Q

(Coaxial)

FUFIWBHA

10mW/

33

Q

Ay

FRU

“Bitstream”

conversion

DLA

DY

IN-F—

8-times

oversampling

20-bit

digital

FYUINDANWI—

filter

3rd

order

Butterworth

filter

PFOFIANI—

(Ey

IF

uT7)

Optical

3-Beam

laser

pickup

FX

2-dimensional

parallel

drive

WML

YARHARX

GaAlAs

type

semiconductor

laser

FOR

780nm

BRR

(a5

74—Vv

b)

44.1kHz

BALA

RR

16-bit

linear/

channel

Bitty

h&

4.3218Mb/sec

EL

—h

BAX

EFM

(Eight

to

Fourteen

Modulation)

L5>-i

EAR

CIRC

(Cross

Interleave

Reed

Solomon

Code)

(—Az)

ER

HRED

120/230V

AC,

50

-

6OHz

NET

IK

(General

Export

Model)

28

120V

AC,

6OHz

(USA/Canada

Model)

ian

230V

AC,

50Hz

(Europe

Model)

240V

AC,

50Hz

(UK/

Australia

Model)

10

watts

Dimensions

(W

x

H

x

D)

Weight

(net)

447

x

124

x

276mm

(17-5/8"

x

4-7/8"

x

10-7/8"

)

3.8kg

(8-3/8

Ibs)

Standard

Accessories

Wireless

Remote

Control

Unit

(RC-

532:

for

Gold-finish

version

or

RC-531:

for

Black

finish

version)

x

1,

RCA

pin-plug

cord,

Battery

(SUM-4,

“AAA”,

“RO3”"

type)

x

2

@Ilmprovements

may

result

in

specification

or

feature

changes

without

notice.

CD-3

2F

ve

VRID

1~20,000Hz

+

0.5dB

104dB

LiE

CEIAJ)

97dB

Li_E

(EIAJ)

0.0022

%

LIF

CEIAJ)

Ale

BR

FMB

LF

Ck

aR

EE)

102dB

LAE

CEIAJ)

1.7Vrms

0.5V

p-p/

75

Q

(COAXIAL)

10mW

(33

Q

Bir)

Evy

kARU-L

BEA

-N-DPYPUYT

20Ey

hk

FVII

4

Wa

BRNI-I-RID4NWI-

OL

ABE,

KSEE

L

2RTFT

RH

+a

L

—

780nm

44.1kHz

Ey

bh

ULP/F

er

VR

4.321

8Mb/sec

EFM

CIRC

100V

AC

50-60Hz

10W

447

x

124

x

276mm

(W

x

H

x

D)

3.8kg

@DIVLAVEIY

RC-531

Kfelk

RC-532

eevIs7a—-F

@

fc

Bith

(4,

SUM-4)

x

2

@

Rik

AS

*

HERR

SOSH.

MEORO

PHS

RATS

CEMBVETS

CD-3

3

CASE

AND

FRONT

PANEL

REMOVAL

HSA

ORLA

mble

in

number-

order

Disasse'

BSmBCALT<K

KAU

CD-3

4

ADJUSTMENT

AND

CHECKS

ase

¢

HERS

1.

Replacement

of

the

pickup

assembly

@

Before

removing

the

pickup

assembly

be

sure

to

solder

-bridge

where

indicated

in

the

inset

(Fig.

4-1)

to

prevent

the

laser

diode

from

being

electrostatically

damaged.

After

replacing

the

pickup

assembly,

be

sure

to

unsolder

the

antistatic

bridge.

Or

else

the

laser

diode

does

not

function.

@

Before

servicing

the

pickup

assembly

be

sure

to

prevent

electrostatic-inducer

destruction

by

grounding

not

only

test

equipment

in

use

but

also

yourself

as

shown

in

Fig.

4-2.

*

Electrostatic

charge

drastically

shortens

the

operating

life

of

the

laser

diode

or

possibly

results

in

its

destruction.

@During

the

transportation,

mounting

and

dismounting

of

the

assembly,

support

with

your

fingers

at

points

A

and

B

as

shown

in

Fig.

4-3.

Be

particularly

careful

not

to

touch

the

actuator,

photosensor

and

LD

plate

and

do

not

apply

force

to

them.

@Soldering

must

be

done

quickly

at

less

than

30W,

320°C.

@Don’'t

disassemble

the

pickup

ass’y.

@Don't

apply

shock

to

the

pickup

ass’y.

@Don't

place

the

assembly

in

a

place

subject

to

excessive

dust,

heat

or

moisture.

PCB

1.E

97»

7

ASSY

D3

@LYITYSASSY

EAT

ERA,

V-F-F14-

FORE

ERP

IL

OD,

UTR

(Fig.

4-1)

EBAY

vy

YUT

DOLEBELTC

CREW,

EK.

MONU

SZHAbRo

HK

Bie

BAT)

yp

VERLTCBR

EW

MAT

Y

y

VELKREECAU-¥-PY4A—

FUEL

ES

Ao

@CyITYTASSY

ERYRIBA,

MERE

ECHR

F-ARMALHI.

MAT

-

ARTO,

BERS

+O

PE

LTC

KAU,

(Fig.

4-2)

kL-F-FAA—

Kid,

BBROMDS

EAMRMB

IBF

LEY.

EWE

LETOCHOERLTC

RSW,

@Mott,

MOAL,

Ho

MUORIL,

Fig.

4-30AME

BR

CHATCHEU,

BIT

7

FaL—-¥—,

HRB,

LDF

L—hablid,

FERN

ODEMALY

LEWC

KREUS

@

HAF

IL30W,

320°C

F

HHL.

TIE

<

ML

TC

KS

Wo

@LPYIT

YT

ASSY

AKOMBE

KUSH

EV

LEE

CK

SW,

@EY

IT

yYSASSY

Ire

F

+

HMMA

BUEK

HEY

@ti

-KIVCLORET

2M,

BE

SHROMMILHUT

CHS

Earth

ring

(Lead

wire)

Pick-up

case

Chassis

(GND)

AdNS

LZ

Fig.

4-1

2.

Objective

@Laser

beams

are

similar

to

infrared

rays.

Don’t

look

at

the

beams

directly

and

keep

your

eyes

at

least

30cm

away

from

them.

@Don't

touch

the

objective

with

fingers.

@If

objective

becomes

dirty,

playback

will

deteriorate.

To

clean

the

objective,

moisten

a

good

cleaning

tissue,

such

as

made

by

KODAK,

in

isopropyl

alcohol

and

wipe

the

objective

gently.

Wipe

off

and

excess

fluid

with

a

dry

cleaning

tissue.

Resistor

IMQ~10MQ

Photo

Sensor

Earth

Fig.

4-2

Fig.

4-3

2.

Xv

YALL

DWT

@L—¥-HlLATMAROABAGILMHTT.

HDOREOA.

A

#VY

AAS

30cm

LEBEL

TK

RR,

@VVARIFEAMNEO

EC

HEV,

@VVAINA

¢

&

HHEREHIAUE

FL

ETO,

ROEDEK

dL

TC

KAW,

VY

AY

-aVAR—/S—

(KODAKHBEY)

i.

ooo

E-VPFVA—d

(LP.A)

HL

CHE

LD.

ROR

Uk

DIBFREL

DTC

RAW

CD-3

3.

Laser

diode

check

{lop

(Intensity

Optimum)

check]

Connect

a

DC

voltmeter

between

TP1

and

TP2

on

MAIN

PCB.

Measure

the

DC

voltage

while

playing

a

disc

to

check

that

the

measured

value

does

not

exceed

the

Iop

value

indicated

on

the

pickup

by

5mA.

{I=

measured

value/22)

If

the

measured

value

is

higher

than

that

indicated,

the

pickup

may

be

damaged.

*

Pay

special

attention

that

parts

are

not

damaged

by

static

electricity.

DC

voltmeter

3.

b—--SY44—FORBF

27

(lop

(Intensity

Optimum)

(A3#22)

(Ey

TT

y

SEAR

AT

LDP

RITO

SC

&)

DC#Vb

X-¥Y—-*MAIN

PCBOTP1,

TP2

ictRRTS.

PLAY

POBRBEZMNEL.

COBED

COBRRALK

IA

(=

WEBI

/22)

REY

AT

vy

TIRARLTH

Slopih#kY

5mA

DEMMLTORU

LC

ESHA

S.

WMOBSa,

BHRLTU

DAREPED

SS.

*

PEDIC

HERT

SIE.

MAIN

PCB

@How

to

read

numbers

on

sticker

attached

to

the

pickup

(Example)

KSS-210A

11191

646

Serial

No.

lop

value

64.6mA

Fig.

4-4

OK

YIP

YATRA

—MORAA

(Bil)

KSS-210A

1119)

646

YY

7

IVNo.

lop

ff

64.6mA

VOLTAGE

CONVERSION

(For

general

export/U.S.A./Canada

models)

Be

sure

to

remove

the

power

cord

from

the

AC

outlet

before

repositioning

the

voltage

converter

switch.

1.

Locate

the

voltage

selector

on

the

rear

panel.

2.

Using

a

flat-bladed

screwdriver,

set

to

the

appropriate

230

V

or

120

V

position

according

to

your

area.

VOLTAGE

SELECTOR

20y 120

VOLTAGE

SELECTOR

230V

120V

ml

4-1

SERVO

ADJUSTMENT

TEST

DISC:

MCD-111

(or

YEDS-18)

4-1

+

—

Ki

FAKF4ADM:

MCD-111

(KKM

YEDS-

18)

MAIN

PCB

Fig.

4-5

CD-3

CD-3

4-1-1

Checking

the

pickup

actuator

operation

Before

loading

the

disc,

turn

the

power

ON

and

check

that

the

pickup

actuator

moves

up

and

down

three

times.

(if

the

pickup

is

not

at

inside

on

the

disc,

perform

the

above

operation

after

moving

the

pickup

to

the

inside.)

4-1-2

Adjusting

the

PLL

frequency

1.

With

the

tray

open,

connect

the

frequency

counter

between

TP3

and

TPG,

and

short

circuit

between

TP4

and

TPG.

2.

Adjust

V405(VCO)

so

that

the

PLL

frequency

is

4.3218MHz

+

0.05MHz

at

the

stop

mode.

For

this,

use

a

X10

sync

probe

with

the

frequency

counter.

4-1-3

Tracking

balance

adjustment

1.

Connect

the

oscilloscope

between

P405-1(TE)

and

P405-6(GND),

and

press

the

SEARCH

(<dor>>)

button.

2,

Adjust

V401(1T.B)

so

that

the

upper

and

lower

amplitudes

of

the

tracking

error

signal

waveform

become

equal

above

and

below

OV.

4-1-4

Focus

offset

adjustment

1.

Connect

the

oscilloscope

between

P405-5(RF)

and

P405-6(GND).

2.

In

the

play

mode,

adjust

V402(F.B)

so

that

the

waveform

on

the

oscilloscope

becomes

maximum.

3.

After

adjusting

the

focus

offset,

stop

the

player.

Check

for

an

offset

voltage

of

50mV

or

less

at

V403

center

lead.

If

reading

values

are

out

of

spec,

adjust

V402

again.

ArT

Ey

IP

ae

ST

OF

2

L—9—-BEF

cD

BRON

77

97ST

7FaL—-F—-MBGEPHTAZCE,

(Cy

77

y

TOBAM

IE

ld.

BRAVA

BIR

Eee

Arto)

FAATVURELIE,

4-1-2

PLLEAikeias

lL.

RUT

SBA

KREG,

TP3

E

TPGHIC

AB

7

-

TE

LL

TPAETPG

EY

a-—bhdS.,

2.

Ah

y

PIKKEC

OP

BEA

4.3218MHz

+

0.05MHzI

AK

512

V405

(VCO)

EHTS,

AmkaAvyy—l4a

vou

-7x

lweweAs

4.

41-3

hSyY

FYING

YABB

1.

P405-1(TE)

&

P405-6(GND)

fica

y

ORI

PRE

L,.

SEARCH

#Y

v

(44

EIS

Ph

)

LIT,

2

Fy

Ft

YFLI—-fESOREMOVEHOUIRNS

£5

V401

(T.B)

HET

4.

41-474

-HAAADVEy

bE

1.

P405-5(RF)

¢

P405-6

(GND)

Mica

>

co

AI-—TA

He

to

2.

PLAY

{KHE

CH

YO

AI—PORIBDIBKIZU

SD

&

312

V402

(F.B)

=

HET

SH.

3.74

-AAAD

ey

b

PM

HSTOP

Kil

UT.

V403

&

J-Y-FOAT

¢y

BEM

SOMVILE

CHSC

&

Le

MhaB

FSo

SUMBIKASEUYG

ASHE

V402

MET

4.

ELITR

NW

Ny

YY

XK

Maximum

KIIIPHIOPIO

TINT?

AR

UNI

DUANE

CO

OO

OY

08,

\

\

i

AAV

SURE

SNR

Fig.

4-7

CD-3

4-1-5

Focus

gain

adjustment

4-1-574-HATA

VRE

1.

Apply

1.17kHz/10Vp-p

(When

using

MCD-111)

or

1.

ABBOSC

&Y

100k

QOHHREA

UT

1.17kKHZz/10Vp-

p

1.14kHz,/10Vp-p

(When

using

YEDS-18)

to

P405-4

(MCD-

111

(2

Ct

dae)

¥

71d

1.14kKHZ/

10Vp-p

(YEDS-18

(FE

tl)

from

an

external

OSC

via

100k

Q

resistor.

(CHI)

OES

=

P405-4(

FE

W)ICADT

4S.

2.

Play

the

track

4,

and

adjust

V403(F.G)

so

that

phase

2,

4HHA

E+E

LY

P405-3(FE

|)

EBB

OSC

&

OLiZtHA

90°

at

P405-3(FE

1)

is

90°

with

respect

to

that

of

the

IZHHZKGITV403(F.G)

FHT

AS,

external

OSC.

Oscillator

Oscilloscope

MAIN

PCB

10Vp-p

Fig.

4-8

4-1-6

Tracking

gain

adjustment

41-6

hS

yt

UT

4

VBE

1.

Apply

1.70kHz,/710Vp~-p

(When

using

MCD-111)

or

1.

ARBOSC

EY

100k

QOH

LT

1.70kKHZ/10Vp-

p

1.51kHz,410Vp-p

(When

using

YEDS-18)

to

P405-2

(MCD-111i=

Cag)

¥

fed

1.51kHZ710Vp-p

(YEDS-

18

(TEI!)

from

an

external

OSC

via

100k

Q

resistor.

ic

CHAR)

OZ

SX

P405-2(TE

Il

ICANT

S.

2.

Play

the

track

4,

and

adjust

V404(T.G)

so

that

phase

2.

4HHE

#FH4E

LL.

P405-1(TE

|)

&EMSBROSC

&

MfZtBDS90°

at

P405-1(7E

|)

is

90°

with

respect

to

that

of

the

SZ

KDITV404(7.G)

RTS,

external

OSC.

Oscillator

Oscilloscope

MAIN

PCB

CD-3

4-2

ELECTRICAL

CHARACTERISTICS

.

Output

level

HALAL

Batt

DISC:

MCD-111

(YEDS-18)

TRACK

No.

}

347

FREQUENCY

Bik

]

SPECIFICATIONS

#

.1+0.5Vrms

REMARKS

fei

.

Channel

level

difference

Fp

VRIVLAIVE

1

hs

.OdB

or

less

.

Phones

level

Ny

FRU

LAL

0.62

+

0.3Vrms

33

Q

load

OUTPUT

level

:

max.

-a

.

Harmonic

distortion

mmRES

.

Frequency

response

FBS

.

S/N

ratio

SANE

20Hz~

20kHz

0.

009%

or

less

Within

+

1.0dB

92dB

or

better

.

Channe!

separation

Fe

Rsb

BNL-Yay

400Hz~20kHz

filter

in

reference

level:

1kHz

DIN

AUDIO

(Use

SHIBASOKU

725

or

equivalent)

85dB

or

better

DIN

AUDIO

.

Emphasis

effect

LYD

7

VAMR

10

MCD-

111:

-—

20

+1.0/-1.5dB

YEDS-

18:

-9+1.0/-1.5dB

reference

level:

1kHz