Sony Lbt-a199 User manual

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LBT-A199/D200/62000

SERVICE

MANUAL

US

Model

R

VIS

LBT-D250/G2000

EVISED

Canadian

Model

Discard

LBT-A195/D250/G2000

Service

Manual

(No.

9-959-

LBT-A195/G2000

306-13)

previously

issued.

This

Service

Manual

contains

it.

UK

Model

*

LBT-A195/D250/G2000

are

composed

of

following

models.

E

Model

As

for

the

service

manual,

it

is

issued

for

each

component

model,

LBT-A195

then,

please

refer

to

it.

COMPONENT

MODEL

NAME

FOR

THESE

SYSTEM

Two

[ke

Tm

fs

fs

[cu

|

COMPACT

DISC

STEREO

DECK

~

HCD-A195

HCD-D250

HCD-G2000

RECEIVER

SPEAKER

oat

SS-G2000

ea

SS-D195

$S-D255

|

ss-c2000

|

G2000

[Turn

Taste

|

PS-LXB6P

bee

-2=

CND

:

Canadian

Model

NOTE

:

MX

_

:

Mexican

Model

@

Items

marked

"*"

are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

PARTS

LIST

should

be

anticipated

when

ordering

these

items.

Part

No.

Description

Part

No.

Description

1-467-430-11

|

COMMANDER,

STANDARD

(RM-S221)

|

4-937-945-11

|

PLATE

(TRANSPORT),

LOCK

(HCD)

1-501-374-11

|

ANTENNA,

LOOP

*

4-957-532-01

|

SNOW

BOX

(L)

(PS-LX56P)

1-501-659-41

ANTENNA

(FM)

*

4.957-533-01

|

SNOW

BOX

(R)

(PS-LX56P)

2-181-754-21

COVER

(MLY),

BATTERY

(for

RM-S221)

|

*

4-963-172-01

INDIVIDUAL

CARTON

(G2000

:

US)

3-376-136-01

|

CUSHION

(HALF)

(HCD)

*

4.963-173-02

|

CUSHION

(HCD)

3-758-284-11

|

MANUAL,

INSTRUCTION

(UK)

(ENGLISH)|

*

4-963-176-01

INDIVIDUAL

CARTON

(D250)

3-758-284-21

|

MANUAL,

INSTRUCTION

(US)

*

4.963-177-01

INDIVIDUAL

CARTON

(A195

:

CND)

*

*

*

*

*

*

*

(ENGLISH,

SPANISH)

4-964-535-01

CUSHION

(SS-D255/G2000)

3-758-284-31

MANUAL,

INSTRUCTION

(A195

:

CND)

4-964-536-01

CUSHION

(SS-D195)

(ENGLISH,

FRENCH)

4-968-317-01

INDIVIDUAL

CARTON

(A195

:

E)

3-758-592-11

|

MANUAL,

INSTRUCTION

(E,

MX)

4-968-318-01

INDIVIDUAL

CARTON

(A195

:

MX)

(ENGLISH,

FRENCH,SPANISH,

CHINESE)

4-968-816-01

INDIVIDUAL

CARTON

(A195

:

UK)

3-758-592-51

MANUAL,

INSTRUCTION

(G2000

:

CND)

4-971-630-01

INDIVIDUAL

CARTON

(G2000:

CND)

(ENGLISH,

FRENCH)

A-4674-087-A

TURN

TABLE

MAT

ASSY

(PS-LX56P)

COMPONENT

HI-FI

STEREO

SYSTEM

Sony

Corporation

Ss

O

N

Y.

Consumer

A&V

Products

Company

English

:

95B809046-1D

9-959-306-14

Home

A&V

Products

Div.

Printed

in

Japan

©

1995.2

Published

by

Home

A&V

Products

Div.

Quality

Engineering

Dept.

$5-D299/62000

SERVICE

MANUAL

US

Model

Canadian

Model

SPECIFICATIONS

Speaker

System

2-way

speaker

system

(SS-G2000)

3-way

speaker

system

(SS-D255)

Mass

Approx.

3

kg

PC

speaker

(6

lb

10

oz)

Dimensions

Approx.

220

X

395

X

180

mm

(85/4

X

15%,

X

77/.

inches)

(w/h/d,

including

projections)

Design

and

specifications

are

subject

to

change

without

notice.

Photo:

SS-G2000

SS-D255

is

the

speaker

system

in

LBT-D150

and

LBT-

D250.

SS-G2000

is

the

speaker

system

in

LBT-G1000,

LBT-A190,

LBT-G2000

and

LBT-A195.

SPEAKER

SYSTEM

SONY.

EXPLODED

VIEW

AND

PARTS

LIST

NOTE:

@

-XX

and

-X

mean

standardized

parts,

so

they

@

Items

marked

“**”

are

not

stocked

since

they

@

The

mechanical

parts

with

no

reference

may

have

some

difference

from

the

original

are

seldom

required

for

routine

service.

Some

number

in

the

exploded

views

are

not

one.

delay

should

be

anticipated

when

ordering

supplied.

these

items.

1

A

wee

aN

es

C

pd

S

|

\

[|

SQ

SY?

§))

>)

|

|

Is

|

A

Enea

eee

re

SS-G2000

SS-D255

Ref.No.

Part

No.

Description

Remark

Ref.

No.

Part

No.

Description

Remark

1

X~4944-220-1

FRAME

ASSY,

GRILLE

ACCESSORIES

&

PACKING

MATERIALS

2

4~874-614-61

SCREW

(M3.

5X16)

PeETtrirtrr

tt ttt

ttt ttt

tte

tty

+3

A-4353-685-A

CABINET

ASSY,

SPEAKER

(62000)

+3

A-4353-678-A

CABINET

ASSY,

SPEAKER

(D255)

+

4-964-535-01

CUSHION

4

1-575-696-11

CORD,

SPEAKER

(WITH(C))

+5

X-4944-221-1

DUCT

ASSY,

ORNAMENTAL

(62000)

*

6

X-4944-224-1

DUCT

(L)

ASSY,

ORNAMENTAL

(D255)

+7

X-4944-225-1

DUCT

(R)

ASSY,

ORNAMENTAL

(D255)

SP1

1-504-173-11

SPEAKER

(16cm)

SP2

—_1-504-174-11

SPEAKER

(Scm)

SP3-1-544-453-21

SPEAKER

(2cm)

(D255)

English

93L0533-1D

Sony

Corporation

Printed

in

Japan

9-959-266-11

Audio

Group

©

1993.

12

—2—

Published

by

Audio

Sector

Quality

Assurance

Dept.

HCD-A195/0250/62000

—

SERVICEMANUAL

US

Model

HCD-D250/G2000

Canadian

Model

HCD-A195

HCD-A195,

HCD-D250

and

HCD-G2000

are

the

tuner,

deck,

CD

and

amplifier

section

in

LBT-A195,

LBT-D250

and

LBT-G2000

respectively.

Photo:

HCD-G2000

SPECIFICATIONS

a

Model

Name

Using

Similar

Mechanism

CDP-411/511/D7

Section

CD

Mechanism

Name

CDM14-5BD13

Base

Unit

Name

BU-5BD13

AUDIO

POWER

SPECIFICATIONS

(US

model)

DECK

|

Model

Name

Using

Similar

Mechanism

|

HTC-D159

POWER

OUTPUT

AND

TOTAL

Section]

Tape

Transport

Mechanism

Type

TCM-180VW-H11

HARMONIC

DISTORTION

:

With

6-ohm

loads,

both

channels

driven,

Tuner

from

70—15,000Hz;

rated

10

watts

per

System

BM

Stereo

h

inn

RMS

ith

|

h

FM/AM

superheterodyne

tuner

channel

minimum

RMS

power,

with

less

than

FM

tuner-section

10%

total

harmonic

distortion

from

250

Tuning

range

87.5

to

108MHz

milliwatts

to

rated

output.

Antenna

300

ohms

balanced

75

ohms

unbalanced

Amplifier

Intermediate

frequency

10.7MHz

Continuous

RMS

power

output

AM

tuner

section

10W+10W

(6

ohms,

at

1kHz,

Tuning

range

AM:

530

to

1,710kHz

5%

THD)

Antenna

AM

loop

antenna

r

ear

External

antenna

terminal

Input

Jack

type

Sensitivity

Impedance

Intehnediate

frequency

450k

Es

VIDEO

Phono

300

mV

47

kilohms

(G2000)

Cassette

deck

PHONO

Ph

3

mV

AT

kiloh

Recording

system

4-track

2-channel

stereo

(A195/D250)

ono

pons

|

Frequency

response

DOLBY

NR

OFF

With

Type

II

cassette

(Sony

UX-S)

0

“i,

k

.

F

40Hz

to

14kHz

(+3dB)

besides

Jack

type

MPEGANCE

With

Type

I

cassette

(Sony

HF-S)

HEADPHONES

|

Stereophone

|

Accepts

headphones

of

40Hz

to

13kHz

(+3dB)

8

ohms

or

more

Wow

and

flutter

W.

PEAK

£0.2%

(DIN)

(A195)

0.1%

(WRMS)

(D250/G2000)

Frequency

response

15Hz

to

50kHz

*§

dB

—continued

on

next

page—

COMPACT

DISC

DECK

RECEIVER

SON

Y.

Compact

tise:

mayer

SAFETY

CHECK-OUT

(US

Model)

Laser

Semiconductor

laser

Wavelength

780—790nm

Frequency

response

2Hz

to

20kHz+1dB

After

correcting

the

original

service

problem,

Signal-to-noise

ratio

More

than

93dB

perform

the

following

safety

check

before

releasing

Dynamic

range

More

than

90dB

the

set

to

the

customer:

ee

‘

x

Harmonic

distortion

Less

than

0.01%

(IkHz)

Check

the

antenna

terminals,

metal

trim,

‘“‘metallized”

Channel

separation

More

than

90dB

(1kHz)

knobs,

screws,

and

all

other

exposed

metal

parts

for

General

AC

leakage.

Check

leakage

as

described

below.

Power

requirements

120V

AC,

60Hz

Power

consumption

45W

LEAKAGE

TEST

Mass

Approx.

9.9kg

(20

Ib

14

oz)

Dimensions

Approx.

355

x

395

x

405mm

The

AC

leakage

from

any

exposed

metal

part

to

(14X155/,

X

16

inches)

earth

ground

and

from

all

exposed

metal

parts

to

any

exposed

metal

part

having

a

return

to

chassis,

must

not

exceed

0.5mA

(500

microampers).

Leakage

(w/h/d,

including

projections)

Supplied

accessories

Remote

commander

RM-S221

(1)

current

can

be

measured

by

any

one

of

three

Batteries

Sony

SUM-3

(NS)

(2)

methods.

ENE

ie

anterae

()

1.

A

commercial

leakage

tester,

such

as

the

AM

loop

antenna

1)

Simpson

229

or

RCA

WT-540A.

Follow

the

manufacturers’

instructions

to

use

these

instru-

ments.

Design

and

specifications

are

subject

to

change

without

notice.

i)

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

2V

AC

range

are

suitable.

(See

Fig.

A)

To

Exposed

Metal

Parts

on

Set

AC

voltmeter

|

(0.75

V}

Dolby

noise

reduction

manufactured

under

license

from

Dolby

Labora-

tories

Licensing

Corporation.

=

Earth

Ground

"DOLBY"

and

the

double-D

symbol

9

are

trademarks

of

Dolby

Labora-

tories

Licensing

Corporation.

Fig.

A.

Using

an

AC

voltmeter

to

check

AC

leakage.

SAFETY-RELATED

COMPONENT

WARNING!!

ATTENTION

AU

COMPOSANT

AYANT

RAPPORT

A

LA

SECURITE!

COMPONENTS

IDENTIFIED

BY

MARK

A

OR

DOTTED

LINE

WITH

MARK

/\

ON

THE

SCHEMATIC

DIAGRAMS

AND

IN

THE

PARTS

LIST

LES

COMPOSANTS

IDENTIFIES

PAR

UNE

MARQUE

/\

SUR

LES

DIA-

ARE

CRITICAL

TO

SAFE

OPERATION.

REPLACE

THESE

COMPONENTS

GRAMMES

SCHEMATIQUES

ET LA

LISTE

DES

PIECES

SONT

CRI-

WITH

SONY

PARTS

WHOSE

PART

NUMBERS

APPEAR

AS

SHOWN

IN

TIQUES

POUR

LA

SECURITE

DE

FONCTIONNEMENT.

NE

REMPLACER

THIS

MANUAL

OR

IN

SUPPLEMENTS

PUBLISHED

BY

SONY.

CES

COMPOSANTS

QUE

PAR

DES

PIECES

SONY

DONT

LES

NUMEROS

SONT

DONNES

DANS

CE

MANUEL

OU

DANS

LES

SUPPLEMENTS

PUBLIES

PAR

SONY.

NOTES

ON

HANDLING

THE

OPTICAL

PICK-UP

BLOCK

OR

BASE

UNIT

The

laser

diode

in

the

optical

pick-up

block

may

suffer

electrostatic

break-down

because

of

the

potential

difference

generated

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

matter

which

is

included

in

the

repair

parts.

The

flexible

board

is

easily

damaged

and

should

be

handled

with

care.

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

objective

lens

in

the

optical

pick-up

block.

Therefore,

when

checking

the

laser

diode

emission,

observe

from

more

than

30

cm

away

from

the

objective

lens.

MODEL

IDENTIFICATION

—Label

Model

Number—

Canadian

model:

HCD-A195

US

model:

HCD-D250

US

model:

HCD-G2000

SON

Ye

move.

no

W777

COMPACT

DISC

DECK

RECEIVER

AC:

120V

60H

45W

HCD-D250

:

4-962-737-01.

U

(HF)

HCD-G2000:

4-962-737-11.

U

(GS)

HCD-A195

:

4-962-737-21.

CA

TABLE

OF

CONTENTS

Section

Title

Page

1.

GENERAL

Location

of

Controls..........-

sce

Meese

aR

cheodisiougtednd

4

2.

DISASSEMBLY

2-1.

Case

(CDM)

......-

sce

cece

eter

enter

eens

5

9-2.

Back

Panel

..........

cece

cece

ence

rere tenn ence tens

5

9-3.

Main

Board......-..e

cece

eee

e

eee

eee

ete

e

eens

6

2.4.

Power

transformer

.......-.seeeee

cere

e

eee

n

eee

6

2-5.

CD

ASSY

...e

cece

cece

teen

terete

ee

en

ene

n

teens

7

2-6.

Cassette

Lid

ASSY

......

sce

cece

erent

ene

e

ene

7

2-7.

Mechanism

Deck

Block

.........eseee

rece

eee

eees

8

9.8.

Panel

Board

...-..

cece

cece

eee

e

ee

eee

e

eee

n

eens

8

2-9.

Disc

Table

Assy........cce

cece

cence

eee

eee

eens

9

2-10.

Bracket

(BD)

ASSy

....

sees

e

eee

eee

eens

9

3.

MECHANICAL

ADJUSTMENTS

...........

rene

10

4.

ELECTRICAL

ADJUSTMENTS

Deck

Section........ccc

ccc

e

cere

eect

eee

ete

nen

ees

10

Tuner

Section

........0c

cece

cece

e

eee

ee

eee

n

ene

13

CD

Section.

.....0..0cce

cece

een

cece

eee

e

nen

ene

eee

14

5.

DIAGRAMS

5-1.

Circuit

Boards

Location

........eee

cece

cence

16

5-2.

Block

Diagram—Deck

Section—

....-.---+-seeee

17

5-3.

Block

Diagram—CD

Section—

.....--+.+-seseeee

19

5-4.

Block

Diagram—Tuner/Power/Panel

Section—

..21

5-5.

Printed

Wiring

Boards—Tuner/Power

Section—

..24

5-6.

Schematic

Diagram—Tuner

Section—

........----

27

5-7.

Schematic

Diagram—Power

Section—

..........+-

28

5-8.

Schematic

Diagram—CD

Section—

.......-..--+>

34

5-9.

Printed

Wiring

Boards—CD

Section—

..........-.

37

5-10.

Semiconductor

Lead

Layouts

........-...-+

eee

ee

41

5-11.

Printed

Wiring

Board—Panel

Section—

........-.

42

5-12.

Schematic

Diagram—Panel

Section—

..........--

45

5-13.

Schematic

Diagram—Deck

Section—

..........--

48

5-14.

Printed

Wiring

Boards—Deck

Section—

..........

51

5-15.

Pin

Descriptions

.......-.0:s

eee

e

erence

eee

eee

56

6.

EXPLODED

VIEWS

6-1.

Chassis

Section............seee

eee

cree

ene

e

ees

58

6-2.

Front

Panel

Section

.........--..eceeee

rene

eens

59

6-3.

Tray

Section..........

cece

eee

e

nent

eens

60

6-4.

CD

Chassis

Section

....-...

05.

eee

e

een

eee

eee ens

61

6-5.

Optical

Pick-up

Block

Section..........---.

ae

ite

62

6-6.

Mechanism

Deck

Section

1

...-.--.+--sss

eee

sees

63

6-7.

Mechanism

Deck

Section

2

......--.0+--

seen

eens

64

6-8.

Mechanism

Deck

Section

3

..........

0s

eee

ee

eee

65

7.

ELECTRICAL

PARTS

LIST

..........--.--.--+-+-

66

—3-

SECTION

1

GENERAL

-—

£

Md

=

ae]

®

no

rs)

Bes

2

6

3

oe

2

8

c

&

2c

32

®

©

“”s

YS

wn

eas

eee

Ec

‘JOsuas

JIsnYY

IeWO

NY

JO

UOHeLAaIQge

By}

SISWIY

.

‘qiun

snp

yim

aagesadouy

st

uoyng

sry,

oy

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SECTION

2

DISASSEMBLY

Note:

Follow

the

disassembly

procedure

in

the

numerical

order

given.

2-1.

CASE

(CDM)

@

claws

@

case

(CDM)

DS

we

a«

8

screw

(case

3

TP2)

we

@

claws

B

claws

Pf

@

screw

(case

3

TP2)

wy”

~~

Te

Cx.

—@

BVTT3X8

2-2.

BACK

PANEL

©

back

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e

TS

@

lead

clamp

@

BVTP3x8

B

BVTP3Xx8

@

tepping

screw

@

BVTP3x8

2-3.

MAIN

BOARD

@

MAIN

board

:

os

CN1206

CN1212

CN1203

CN1205

CN1211

@

connectors

CN1202

CN1204

CN1301

CN1208

@

BVTP3x8

Ce

@

PC

board

holder

2-4.

POWER

TRANSFORMER

@CN1350

=

@CN1351

@

BVTT4x6

aml

@

BVTP3x8

@

power

transformer

@

heat

sink

O

wire

2-5.

CD

ASSY

2-6.

CASSETTE

LID

ASSY