Teac VRDS-20 Manuel utilisateur

TEAC,

SERVICE

MANUAL

VRDS-20

Compact

Disc

Player

COMPACT

DIGNAL

AUDIO

Effective

March,

1993

574064200

VRDS-20

SAFETY

INFORMATION

[

SAFETY

INFORMATION

This

product

has

been

designed

and

manufactured

according

FDA

regulations

“title

21,

CFR,

chapter

subchapter

based

the

Radiation

Control

for

Health

and

Safety

Act

1968”,

and

classified

class

laser

product.

There

not

hazardous

invisible

laser

radiation

during

operation

because

invisible

laser

radiation

emitted

inside

this

product

completely

confined

the

protective

housings.

The

label

required

this

regulation

shown

(1).

CAUTION

you

remove

the

above-mentioned

housings

under

the

operating

state

the

product,

there

possibility

human

access

the

invisible

laser

radiation

emitted

from

the

optical

pickup.

Pay

careful

attention,

not

let

the

invisible

laser

beam

enter

into

your

eyes.

you

find

troubled

state

the

laser

diode,

change

the

specified

new

optical

pickup.

you

find

troubled

state

safety

interlock

parts,

change

the

same

type

parts

described

parts

list.

CERTIFICATION

THIS

PRODUCT

COMPLIES

WITH

DHHS

RULES

CFR

SUBCHAPTER

APPLI-

CABLE

DATE

MANUFACTURE.

TEAC

CORPORATION

3-7-3

NAKA-CHO

MUSASHINO-SHI

TOKYO,

JAPAN

MANUFACTURED

Optical

pickup:

Type

KSS-151A

Manufacturer

SONY

Corporation

Laser

output

Less

than

0.2

the

objective

lens

Wavelength

760-800nm

CAUTION

ACHTUNG

OBSERVERA

ADVARSEL

THIS

LABEL

ATTACHED

THE

PLACE

ILLUSTRATED

INFORM

THAT

THE

Hawise

LASER

mADAtION

WHEN

OPEN

AND

APPARATUS

CONTAINS

LASER

COMPONENT.

INTERLOCKS

DEFEATED

AVOID

EXPOSURE

BEAM

UNSICHTBARE

LASERSTRAMLUNG

TOITT

AUS,

CGF

NET

UND

WEN!

Stone

ter

SvEWIWE

GELUNG.

Uae

ROALCKT

1st

NICHT

DEM

STRAHL

AUSSCTZEN'

OFPSAD

OLN

SPAR

URROOPAD

(4)

DIESE

AUFKLEBEMARKE

IST

DEM

DER

ABBILDUNG GEZEIGTEN

ORT

STRALEN

FARLIG

ANGEBRACHT

DARAUF

HINZUWEISEN,

DASS

INNERN

DES

GERATS

EINE

LASER-KOMPONENTE

BEFINDET.

‘o

PASKRIFTEN

SITTER

APPARATEN

SOM

VISAS

SOM

UPPMANING

ATT

APPARATEN

OMFATTAR

INBYGGD

LASERKOMPONENT.

AQVARSEL,

USYNLIG

LASERSTRALING

VED

ABMING,

six

TUDE

FUNK

TION

Geuin

O0oe

FTELSE

FON

SHAKING

NARDIVIS!

-SUOIARDTSEO

ASA

AUNT

LATS

BSA

FIIQOIN

JOKA

LAMETTAA

(AK

YMATONTA)

SUMALLE

VAARALUISTA

CASERSATERYA

ADVARSEL

USYMLIG

LASERBESTRALING

NAR

DENNE

|SSPERREN

UTKOBLET

CRMGA

UISETTECSE

STRIALING

‘o

DETTE

M/ERKAT

ANBRAGT

SOM

VIST

ILLUSTRATIONEN

FOR

ADVARE

BRUGEREN

APPARATET

INDEHOLDER

LASERKOMPONENT.

@®

DETTE

M/ERKAT

SOM

VIST

ILLUSTRATIONEN

ANBRAGT

INDERSIDEN

TOPD/EKSLET

FOR

ADVARE

BRUGEREN

YDERLIGERE

FREMTRAENGEN

VIL

VERE

FORBUNDET

MED

FARE

FOR

UDS/ETTE

SIG

FOR

LASERSTRALING.

ADVARSEL

—

BETJENING

ANDRE

KONTROLLER

REGULATORER

ELLER

BENYTTELSE

ANDRE

FREMGANGSMADER

END

BESKREVET

HERI

FOR-

BUNDET

MED

FARE

FOR

UDSAETTELSE

FOR

LASERSTRALING.

VARNIG:

APPARATEN

INNEHALLER

LASER

KOMPONENT

MED

STRALNING

OVERSTIGANDE

KLASS

“ADVARSEL:

USYNLIG

LASERSTRALING

VED

ABNING

NAR

SIKKERHEDSAFBRYDERE

UDE

FUNKTION.

UNDGA

UDSAETTELSE

FOR

STRALING”

"VAROITUS!

SUQJAKOTELOA

SAA

AVATA.

LAITE

SISALTAA

LASERDIODIN.

JOKA

LAHETTAA

(NAKYMATONTA)

SILMILLE

VAARALLISTA

LASERSATEILYA’.

ADVARSEL:

USYNLIG

LASERBESTRALING

NAR

DENNE

APEN

SIKKERHETSSPERREN

UTKOBLET

UNNGA

UTSETTELSE

FOR

STRALING.

CLASS

LASER

PRODUCT

LUOKAN

LASERLAITE

KLASS

LASE?APPARAT

AUDIO

Number

Channels

SPECIFICATIONS

Frequency

Response

—

20,000Hz

0.3dB

(RCA)

Signal

Noise

Ratio

Dynamic

Range

Harmonic

Distortion

Wow

and

Flutter

Channel

Separation

Output

Analog

Digital

D/A

Converter

Digital

Filter

Analog

Filter

PICK

Type

Objective

Lens

Laser

Type

Wave

Length

SIGNAL

FORMAT

Sampling

Frequency

Quantization

Bit

Channel

Bit

Rate

—

20,000Hz

0.5dB

(XLR)

Better

than

110dB

(1kHz)

Better

than

99dB

(1kHz)

0.0013

(1kHz)

Unmeasurable

(Quartz

accuracy)

Better

than

110dB

(1kHz)

2.2Vrms

(RCA)

2.3Vrms

(XLR)

0.5Vp-p/75

(Coaxial)

-15dBm

—~21dBm

(Optical

;

TOS)

-12.5dBm

—-15dBm

(Optical

;

ST)

Bitstream

Conversion

8-times

oversampling

20-bit

digital

filter

3rd

order

Butterworth

filter

Optical

3-Beam

laser

pickup

2-dimensional

parallel

drive

GaAlAs

type

semiconductor

laser

780nm

44.1

kHz

16-bit

linear/

channel

4.3218Mb/sec

Channel

Modulation

Code

Error

Correction

GENERAL

Power

Requirements

Power

Consumption

EFM

(Eight

Fourteen

Modulation)

CIRC

(Cross

Interleave

Reed

Solomon

Code)

120/230V

AC,

50-60Hz

(U.S.A./

Canada/

General

Export

Model)

230V

AC,

50Hz

(Europe

Model!)

240V

AC,

50Hz

(U.K.

Model)

watts

Dimensions

Weight

(net)

500

146

331mm

(19-11/16"

5-3/4"

13-1/16"

)

13.8kg

(30-7/16

Ibs)

Standard

Accessories

Wireless

Remote

Control

Unit

(RC-481

;

for

Gold

finish

version

/RC-495;

for

Black

finish

version),

Battery

(SUM-3,

“AA”,

“R6”"

type)

Lock

Plate,

Foot

Base

improvements

may

result

specification

feature

changes

without

notice.

(A-F

A-Frx

VRE

Bpestoaed

FAFRVIVYY

ARES

hoe

VRIVEIND-Yay

FFOTHA

FUNDA

DSA

DYIN-F-

FUINDANG—

PFFOAI4N9—

(Ex

uv)

ARHAX

bint]

74—Vvy

AER

Btitty

ini&

—

RRAX

L5—asTIEAHX

(AX)

BRED

WME

Raa

VRDS-20

VAIL

1~20,000Hz

0.3dB

(RCA)

20~20,000Hz

0.5dB

(XLR)

110dB

ELE

CEIAJ)

Q9dB

LIF

(EIAJ)

0.0013

%ELF

CEIAJ)

AVE

Okan

ita)

110dBLiE

(EIAJ)

2.2Vrms

(RCA)

2.3Vrms

(XLR)

0.5Vp-p/75

(COAXIAL)

15~-

21dBm

(OPTICAL

TOS)

—

12.5~-

15dBm

(OPTICAL

ST)

bARU-L

BEA-N-TUPUYT

20Ey

YIN

SRNI-D-AD4NW9—

ASB,

HPKBE-L

ARTETA

BRL

780nm

44.1kHz

UDP/F

4.3218Mb/sec

EFM

CIRC

100V

50-60Hz

18W

500

146

331mm

13.8kg

@e71VLAVEAY

RC-481

Bit

B3,

SUM-3)

@nx77L-+t

@7ybkX-A2x4

ORAS

CBRE

KUSH,

DESOTO

PES

BETS

CLM)

ET.

VRDS-20

CASE

AND

FRONT

PANEL

REMOVAL

HEB

OLA

number-o

emble

Disass

BSMRCHLT

VRDS-20

ADJUSTMENT

AND

CHECKS

HERS

Replacement

the

pickup

assembly

Before

removing

the

pickup

assembly

sure

solder

-bridge

where

indicated

the

inset

(Fig.

4-1)

prevent

the

laser

diode

from

being

electrostatically

damaged.

After

replacing

the

pickup

assembly,

sure

unsolder

the

antistatic

bridge.

else

the

laser

diode.does

not

function.

Before

servicing

the

pickup

assembly

sure

prevent

electrostatic-inducer

destruction

grounding

not

only

test

equipment

use

but

also

yourself

shown

Fig.

4-2,

Electrostatic

charge

drastically

shortens

the

operating

life

the

laser

diode

possibly

results

its

destruction.

@During

the

transportation,

mounting

and

dismounting

the

assembly,

support

with

your

fingers

points

and

shown

Fig.

4-3.

particularly

careful

not

touch

the

actuator,

photosensor

and

plate

and

not

apply

force

them.

@Don't

touch

the

plated

portion

the

flat

cable

end

directly

with

fingers.

@Use

care

not

break

the

flat

cable.

@Soldering

must

done

quickly

less

than

30W,

320°C.

@Don't

disassemble

the

pickup

ass’y.

@Don't

apply

shock

the

pickup

ass’y.

@Don't

place

the

assembly

place

subject

excessive

dust,

heat

moisture.

Objective

@lLaser

beams

are

similar

infrared

rays.

Don’t

look

the

beams

directly

and

keep

your

eyes

least

30cm

away

from

them.

@Don't

touch

the

objective

with

fingers.

@If

objective

becomes

dirty,

playback

will

deteriorate.

clean

the

objective,

moisten

good

cleaning

tissue,

such

made

KODAK,

isopropy!

alcohol

and

wipe

the

objective

gently.

Wipe

off

and

excess

fluid

with

dry

cleaning

tissue.

Earth

ring

(Lead

wire)

Pick-up

case

Chassis

(GND)

Earth

Fig.

4-2

y97

ASSY

OZR

@eyr

vTSASSY

FEAF

ERI.

VAP

PORS

DERDIL

ORD,

BRS

(Fig.

4-1)

24M

YLT

DOVBELTCR

AW.

Ek.

MOU

SBR

hhh

ICHAT

VEALTCR

MID)

VALHEEE

CML

AF-S

Fide

@LYVITITASSY

EMYORIBSU.

MER

CMB

F-AEMAZEHI.

MAT

-AZEAOW,

BBR

TOME

LT<

HAW,

(Fig.

4-2)

KL-F-VAA-—

KA,

MBAWMDS

HOB

AEF

LED,

EVIE

LET

OCLHERBLTC

KS.

ORO,

ROAL,

HEMUORIL,

Fig.

4-3SD

AME

CHATS

HEY,

B77

Fazt—-F7—-,

HREM,

LDF

V—bmRid,

FRANEOWEMAKY

LIEWEC

KEW

OVI

VhTA-FNVEBO

X y

HRS}

BEE

HART

TEKW

OPT

IKTH-TFHNisNET

CHIERE

THER

LTS

TES

HAF

IL380W,

320°CEL

FHIBHIL.

SIS

MEBL

@EYVIT

YTASSY

AAKORMBS

KODE

LEWECK

Sv,

@EYITYTASSY

IBF

HBRUMABEK

KAW.

@2ti

-KIVREORET

Zim,

Rik

SMO

LHY

CHEWS

Resistor

IMQ~10MQ

Plate

Photosensor

Fig.

4-3

Z(ICDWT

—F-HILLATAROAAHMILRHTT.

HORBEOA,

AVY

APS

30cm

LEBEL

KEV,

@VVAIILFEMNEUES

CHEW,

@LVVALIENANE

&CHEREFIAVR

OC,

ROLZK

fat#

UTC

TER,

AIY-aYVIR—-S—

(KODAK

EY)

E-IWPVIA-W

(LP.A)

BRL

CHS

RAR

DIB

RSE

ETCH

EWS

VRDS-20

Laser

diode

check

(lop

(Intensity

Optimum)

check)

Connect

voltmeter

both

ends

R407

SERVO

PCB.

Measure

the

voltage

while

playing

disc

check

that

the

measured

value

does

not

exceed

the

lop

value

indicated

the

pickup

10mA.

(I=

measured

value/22}

the

measured

value

higher

than

that

indicated,

the

pickup

may

damaged.

Pay

special

attention

that

parts

are

not

damaged

static

electricity.

@How

read

numbers

sticker

attached

the

pickup

(Example)

KSS-151A

11191

646

Serial

No.

lop

value

64.6mA

voltmeter

-¥-Y44A-—

OWBF

(lop

(intensity

Optimum)

(BFE)

(Ey

SIAR

RITO

CE)

RIVE

X-F-XSERVO

PCB

R407

lyn

hexe

PLAY

POMRBL

MEL.

CORED

22)

Dey

SCRRETHS

lop

fiik

TOMALLEMIMNL

TORO

ERMERT

MIMNOWAI.

WHA

UTS

BHEPED

TERT

SIL.

OCs

TRAY

-NORAA

(Fil)

KSS-151A

11191

646

FILNo.

lop

64.6mA

SERVO

PCB

Anti-shock

bracket

protect

the

laser

pickup

mechanism

from

shocks

and

movement

during

transit,

secured

special

anti

-shock

bracket.

Before

starting

operation,

sure

release

this

bracket,

which

accessed

from

the

bottom.

ARREST

AAEM

GORDO

TERS

tev,

LTH

VET.

AMEMIES

USES,

BRE

LTC

HRS

ects

wien

VRDS-20

4-1

SERVO

ADJUSTMENT

4-1

TEST

DISC:

YEDS-18

MCD-111

(Except

4-1-6

and

FAKFIAD:

YEDS-18#KILMCD-111

(4-1-6HkO

4-1-7)

4-1-7

€BRS)

V404

R407

V405

F.GAIN

v401

aS)

TP1

V402

[6{

GNO

SERVO

PCB

Fig.

4-6

VOLTAGE

CONVERSION

sure

remove

the

power

cord

from

the

outlet

before

repositioning

the

voltage

converter

switch.

Locate

the

voltage

selector

the

rear

panel.

Using

flat-bladed

screwdriver,

set

the

appropriate

230

120

position

according

your

area.

VOLTAGE

SELECTOR

230V

(a)

120V

VRDS-20

4-1-1

Checking

the

pickup

actuator

operation

Before

the

disc,

turn

the

power

and

check

that

the

pickup

actuator

moves

and

down

three

times.

(If

the

pickup

not

inside

the

disc,

perform

the

above

operation

after

moving

the

pickup

the

inside.)

4-1-2

Sled

balance

adjustment

Adjust

V405(S.BAL)

for

potential

between

TP4

and

TP4

2(GND).

4-1-3

Tracking

balance

adjustment

Connect

the

oscilloscope

between

TP1

4(TE1)

and

TP1

6(GND),

and

press

the

(<4orP>

)

button.

Adjust

V401(T.BAL)

that

the

upper

and

lower

amplitudes

the

tracking

error

signal

waveform

become

equal

above

and

below

OV.

4-1-4

Focus

balance

adjustment

Connect

the

oscilloscope

between

TP1

5(RF)

and

TP1

6(GND).

the

play

mode,

and

adjust

V402(F.BAL)

that

the

waveform

the

oscilloscope

becomes

maximum.

00404

WILY)

‘\)

)

nit

AWN

AAA

400006

41PeE

aAL—9

BEF

BRON

7Fat—-F-M38BEFHTACE,

(Cy

TSHBRARMK

BOE

Sd.

RABE

Lacey

Ale)

ATURE

LEW

41-2Aby

KFNGV

ARB

TPADIBEYE

TPAD2ZBE

(GND)

MOM

EAOV

V405(S.BAL)

EHMETS.

41-3

FYING

YRBE

TPID4HEY(TE1)E

TPIMDEGBREY

(GND)

ica

RI-DPEGEL.

(4d

EKIS

PH)

LH,

FVY

FLIES

OMEMOV

EHIMCHRIS

V401

(T.BAL)

41-474

-AZNDVYARE

TPIOSHEY(RF)é

TPIODG6BEY

(GND)

ica

AIN-TRERT

PLAYIKKE

AAD

—SORMARA

ILI

KITV

402

(F.BAL)

iM)

ANY)

)

Maximum

Fig.

4-8

4-1-5

Focus

offset

check

After

adjusting

the

focus

balance,

stop

the

player.

Check

for

offset

voltage

50mV

less

TP3.

reading

values

are

out

spec,

adjust

V402

(F.BAL)

again.

4-1-4574

-HAADEy

lL.

P#-HAND

ARRMESTOP

IRAE

TP3OA7t

HEA

5SOMVALE

CHS

EHTS.

LABILA

UBS

V402

(F.BAL)

4-1-6

Focus

gain

adjustment

(Use

YEDS-

18)

Apply

1.16kHz/3.5Vp-p

TP1

1(FE2)

from

external

OSC

via

100k

resistor.

Adjust

V404(F.GAIN)

that

phase

TP1

(FE1)

90°

with

respect

that

the

external

OSC

during

playback.

Oscillator

1.16KHz/3.5Vp-p

Oscilloscope

VRDS-20

4-1-6

—-AATA

VIBE

(YEDS-

181)

ABBOSC

100k

1.16kHz/3.5Vp-p®

{224

7P1

O01

BEY

(FEQZIZCANTS,.

FARK

TPL

(FEI

EAM

OSC

EMA

90°

inte

V404

(F.GAIN)

&3H4

SERVO

PCB

Fig.

4-9

4-1-7

Tracking

gain

adjustment

(Use

YEDS-

18)

Apply

1.7kHz/4Vp-p

TP1

3(TE2)

from

external

OSC

via

100k

resistor.

Adjust

V403(T.GAIN)

that

phase

TP1

(TE1)

90°

with

respect

that

the

external

OSC

during

playback.

Oscillator

1,70kH2/4Vp-p

Oscilloscope

4-1-7

KSy

FYTT4

VIBE

(YEDS-

1816)

ABBOSC

100k

OHA

1.70kKH2/

4Vp-

O18

BETPIDZSBEYV

(TEI

ANTS.

TVA

TPIO4BE

(TEL)

EWM

OSC

OLED

90°

H5k5

V403

(T.GAIN)

£39

SERVO

PCB

Fig.

4-10

VRDS-20

4-2

AUDIO

ADJUSTMENT

4-7

470%

Output

level

HALAIL

DISC:

YEDS-18

(MCD-111)

TRACK

No.

}

347

FREQUENCY

Bik

SPECIFICATIONS

0.3Vrms

(UNBAL)

0.3Vrms

(BAL)

REMARKS

load

impedance

BHIVYE-FYA:

50k

(UNBAL)

600

(BAL)

Channel

level

difference

VRIVLSIVE

1.0dB

less

offset

adjustment

DCAD»

SmV

(UNBAL)

Adjust

V151

(bch),

V251

(Rech)

AUDIO

PCB

that

the

offset

voltage

becomes

OmV.

AI»

bBEAMOMVIC

&HSEKDAUDIO

PCB

V151(Leh),

V251

(Reh)

ERTS.

Harmonic

distortion

Bake

Frequency

response

FEROS

S/N

ratio

SAN

20Hz~20kHz

0.004

less

Within

1.0dB

100dB

better

AOOHz

HPF

20kHz

LPF

reference

level:

1kHz

DIN

AUDIO

(Use

SHIBASOKU

725

equivalent)

Channel

separation

Feely

BNL-Yay

95dB

better

DIN

AUDIO

Emphasis

effect

YAR

AUDIO

PCB

—

9.0

1.0dB

(YEDS-18)

1.0dB

(MCD-111)

reference

level:

1kHz

Fig.

#-11

Table des matières

Autres manuels Teac Lecteur CD

Teac

Teac MC-D90 Manuel utilisateur

Teac

Teac MC-D5 Manuel utilisateur

Teac

Teac CD-RW880 Manuel utilisateur

Teac

Teac PD-D2410 Manuel utilisateur

Teac

Teac Esoteric SZ-1 Manuel utilisateur

Teac

Teac CD-2000 Manuel utilisateur

Teac

Teac VRDS-25 Manuel utilisateur

Teac

Teac PD-H300 Manuel utilisateur

Teac

Teac PD-D2750 Manuel utilisateur

Teac

Teac Esoteric P-03 Manuel utilisateur

Teac

Teac EX-CD3 Manuel utilisateur

Teac

Teac Esoteric DV-50 Manuel utilisateur

Teac

Teac CD-P1850 Manuel utilisateur

Teac

Teac PD-H503 Manuel utilisateur

Teac

Teac CD-3000 Manuel utilisateur

Teac

Teac PD-H503 Manuel utilisateur

Teac

Teac PD-H300mkIIM Manuel utilisateur

Teac

Teac CD-H750 Manuel utilisateur

Teac

Teac CD-P1260MKII Manuel utilisateur

Teac

Teac SR-100i Manuel utilisateur

Teac

Teac PD-H500 Manuel utilisateur

Teac

Teac Esoteric X-03 Manuel utilisateur

Teac

Teac SA-60 Manuel

Teac

Teac CR-H238I Manuel utilisateur

Manuels Lecteur CD populaires d'autres marques

RCA

RCA RP-7923 Manuel utilisateur

Pioneer

Pioneer DEH-P3550MP XM Manuel utilisateur

Philips

Philips AZ1207 Manuel utilisateur

Philips

Philips CD582 Manuel utilisateur

Philips

Philips AZ 6821 Manuel utilisateur

Lasonic

Lasonic MSU-2020 Manuel utilisateur

THOMSON

THOMSON RCD150 Manuel utilisateur

Denon

Denon DCD-1420 Manuel utilisateur

Panasonic

Panasonic SJ-MR100 Manuel utilisateur

Onkyo

Onkyo DX-7210 Manuel utilisateur

Sony

Sony MZ-R3 Manuel utilisateur

Denon

Denon DVM-4800 Manuel utilisateur

JBL

JBL MR-32 Manuel utilisateur

RCA

RCA RCD152 Manuel utilisateur

Technics

Technics SL-PS770A Manuel utilisateur

Clarion

Clarion compact disc Manuel utilisateur

Sony

Sony MZ-M10 Manuel utilisateur

Philips

Philips Expanium AZ 1538 Manuel utilisateur