Sony LBT-G3000 Bedienungsanleitung

__LBT-G3000

SERVICE

MANUAL

Model

Canadian

Model

LBT-G3000

composed

following

models.

for

the

service

manual,

issued

for

each

component

model,

then,

please

refer

it.

COMPONENT

MODEL

NAME

FOR

THESE

SYSTEM

HCD-G3000

SS-G3000

Stereo

Deck

Receiver

Speaker

System

PARTS

LIST

NOTE:

Items

marked

“

”are

not

stocked

since

they

are

seldom

required

for

routine

service.

Some

delay

should

antici-

pated

when

ordering

these

items.

Part

No.

Description

Part

No.

Description

1-501-374-11

ANTENNA,

LOOP

1-467-430-11

COMMANDER,

STANDARD

(RM-S221)

1-501-659-41

ANTENNA

(FM)

2-181-754-21

COVER

(MLY),

BATTERY

(FOR

RM-S221)

3-758-592-61

MANUAL,

INSTRUCTION

(US)

(ENGLISH)

3-376-136-01

CUSHION

(HALF)

(HCD)

3-758-592-71

MANUAL,

INSTRUCTION

(Canadian)

4-937-945-11

PLATE

(TRANSPORT),

LOCK

(HCD)

(ENGLISH,

FRENCH)

4-963-173-11

CUSHION

(HCD)

4-971-631-01

INDIVIDUAL

CARTON

(US)

4-964-535-01

CUSHION

(SS)

4-971-632-01

INDIVIDUAL

CARTON

(Canadian)

COMPACT

Hi-Fi

STEREO

SYSTEM

SONY.

English

Sony

Corporation

95A0236-1D

Consumer

A&V

Products

Company

saa

9-959-977-11

Home

A&V

Products

Div.

Published

Home

A&V

Products

Div.

Quality

Engineering

Dept.

HCD-G3000

SERVICE

MANUAL

"US

Mode

Canadian

Model

HCD-G3000

the

tuner,

deck,

and

amplifier

section

LBT-G3000

respectively.

Model

Name

Using

Similar

Mechanism

|HCD-A195

Section|

Base

Unit

Name

BU-5BD13

DECK

Model

Name

Using

Similar

Mechanism

|HCD-A195

Section|

Tape

Transport

Mechanism

Type

SPECIFICATIONS

Tuner

Cassette

deck

System

stereo

Recording

system

4-track

2-channel

stereo

FM/AM

superheterodyne

tuner

Frequency

response

DOLBY

OFF

tuner

section

With

Sony Type

cassette

Tuning

range

87.5

108

MHz

kHz

dB)

Antenna

ohms

unbalanced

With

Sony

Type

cassette

300

ohms

balanced

kHz

dB)

Intermediate

frequency

10.7

MHz

Wow

and

flutter

0.1%

(WRMS)

tuner

section

Tuning

range

530

1,710

kHz

Compact

disc

player

Antenna

loop

antenna

Laser

Semiconductor

laser

External

antenna

terminal

Wavelength

780

—

790

Intermediate

frequency

450

kHz

Frequency

response

kHz

0.5

dB)

Signal-to-noise

ratio

than

Amplifier

Dynamic

range

than

Continuous

RMS

power

output

Harmonic

distortion

Less

than

0.01%

kHz)

ohms,

kHz,

THD)

Channel

separation

than

kHz)

General

VIDEO

300

kilohms

Power

requirements

120

AC,

100

Power

consumption

Mass

Approx.

10.8

(23

02)

HEADPHONES

Stereophone

Accepts

headphones

ohms

Dimensions

Approx.

355

395

405

Frequency

response

kHz

(14x

3/,

inches)

(w/h/d,

including

projections)

—continued

page—

COMPACT

DISC.

DECK

RECEIVER

SONY.

Supplied

accessories

wire

antenna

(1)

loop

antenna

(1)

Remote

commander

RM-S221

(1)

Batteries

Sony

SUM-3

(NS)

—

(2)

Design

and

specifications

are

subject

change

without

notice.

NOTES

HANDLING

THE

OPTICAL

PICK-UP

BLOCK

BASE

UNIT

The

laser

diode

the

optical

pick-up

block

may

suffer

electrostatic

break-down

because

the

potential

difference

generated

the

charged

electrostatic

load,

etc.

clothing

and

the

human

body.

During

repair,

pay

attention

electrostatic

break-down

and

also

use

the

procedure

the

printed

matter

which

included

the

repair

parts.

The

flexible

board

easily

damaged

and

should

handled

with

care.

NOTES

LASER

DIODE

EMISSION

CHECK

The

laser

beam

this

model

concentrated

focused

the

disc

reflective

surface

the

objective

lens

the

optical

pick-up

block.

Therefore,

when

checking

the

laser

diode

emission,

observe

from

than

away

from

the

objective

lens.

Dolby

noise

reduction

manufactured

under

license

from

Dolby

Labora-

tories

Licensing

Corporation.

“DOLBY”

and

the

double-D

symbol

are

trademarks

Dolby

Labora-

tories

Licensing

Corporation.

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

MARK

DOTTED

LINE

WITH

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.

SAFETY

CHECK-OUT

After

correcting

the

original

service

problem,

perform

the

following

safety

checks

before

releasing

the

set

the

customer:

Check

the

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

ex-

posed

metal

part

having

return

chassis,

must

not

exceed

mA.

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

7.5V,

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

20V

range

are

suitable.

(See

Fig.

Exposed

Metal

Parts

Set

vo/tmeter

(7,8V)

Earth

Ground

Fig.

Using

voltmeter

check

leakage.

ATTENTION

COMPOSANT

AYANT

RAPPORT

SECURITE!

LES

COMPOSANTS

IDENTIFIES

PAR

UNE

MARQUE

SUR

LES

DIA-

GRAMMES

SCHEMATIQUES

LISTE

DES

PIECES

SONT

CRI-

TIQUES

POUR

SECURITE

FONCTIONNEMENT.

REMPLACER

CES

COMPOSANTS

QUE

PAR

DES

PIECES

SONY

DONT

LES

NUMEROS

SONT

DONNES

DANS

MANUEL

DANS

LES

SUPPLEMENTS

PUBLIES

PAR

SONY.

—2—

TABLE

CONTENTS

Section

Title

Page

GENERAL

Location

Controls

tse

ekacdeelereneree

eines

DISASSEMBLY

Case

(ODM)

ene

cand

opi

tie

baer

tao

deans

9%.

Back

PANE)

oss

pened

nie

kat

etalon

eee

DAG

ees

BOAT

tena

eae

tet

een

aga

9-4.

Power

Transformer

sc.4.5ccdsead

sees

ceva

2-5.

ASSY

sctcrsidsaewe

dey

bok

esis

eet

PARA

9.6:

Cassette

Lid

Assy:

wsgsaeitiviacsas

errs

teat

tans

2-7.

Mechanism

Deck

Block

.........6

0060s

eee

924

“Panel

Board:

saxccsawiewee

atereeenbaieeeeioines

99.

-Dise

Table

Assy

cask

eed

coins

Ree

howe

cap

2-10.

Bracket

(BD)

Assy

..----.ee

sees

ene

eect

eee

eenee

MECHANICAL

ADJUSTMENTS

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

ELECTRICAL

ADJUSTMENTS

Deck:

S6GH

Ginette

eletae

dew

TUNEL

SECUION)

eck

nent

546

teed

oto

einaros

eee

SACtiOn

soca

anweee

dees

rane

eas

DIAGRAMS

5-1.

Circuit

Boards

Location

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

eee

ee ee

eee

5-2.

Block

Diagram—Deck

Section—

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

0-5.

5-6.

5-7.

9-8.

5-9.

9-10.

o-11.

5-12.

9-13.

5-14.

0-15.

Section

Title

Page

5-3.

Block

Diagram-—CD

Section—

........----+.+++:

19°

5-4.

Block

Diagram—Tuner/Power/Panel

Section—

..21

Printed

Wiring

Boards—Tuner/Power

Section—

.24

Schematic

Diagram—Tuner

Section—

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

Schematic

Diagram—Power

Section—

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

Schematic

Diagram—CD

Section—

BIN

tanta

eeg

Printed

Wiring

Boards—CD

Section—

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

Semiconductor

Lead

Layouts

.....-.--+--+++e50+-

Printed

Wiring

Board—Panel

Section—

.......---

Schematic

Diagram—Panel

Section—

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

Schematic

Diagram-—-Deck

Section—

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

Printed

Wiring

Boards—Deck

Section--

......----

Description..........0:e

cece

eee

eet

eens

EXPLODED

VIEWS

6:1.

‘Chassis

Sections:

...c.00

ores

eees

Peeters

eas

6-2.

Front

Panel

Section

.........--:-eee

eee

eeee

6-3.

“Tray

Section

s.ciciincaos

ree

eben

een

eas

6-4..

Chassis

Section:

«i

iscccawed

eeaon

eee

6-5.

Optical

Pick-up

Block

Section.........-+-++++++-

6-6.

Mechanism

Deck

Section

....-.--..--seee

eee

6-7.

Mechanism

Deck

Section

.....--.--

sees

eens

6-8.

Mechanism

Deck

Section

.......-.

eee

ees

ELECTRICAL

PARTS

LIST

...........------++++:

This

section

extracted

from

instruction

manual.

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SECTION

DISASSEMBLY

Note:

the

disassembly

procedure

the

numerical

order

given.

2-1.

CASE

(CDM)

case

(CDM)

screw

(case

TP2)

“

claws

screw

(case

TP2)

cy”

2-2.

BACK

PANEL

back

panel

lead

clamp

claw

BVTP3X8

tapping

screw

BVTP3

—5—

2-3.

MAIN

BOARD

MAIN

board

CN1

CN1206

CN1212

CN1211

CN1205

CN1204

connectors

CN1301

CN1208

BVTP3X8

board

holder

2-4.

POWER

TRANSFORMER

CN1350

CN1203

BVTT4X6

BVTP3x8

)

power

transformer

BVTP3X8

heat

sink

claw

‘

wire

2-5.

ASSY

BVTP3X8

Pas

Owire

—4

BVTP3X8

2-6.

CASSETTE

LID

ASSY

Push

the

EJECT.

button.

2-7.

MECHANISM

DECK

BLOCK

Push

the

EJECT

button.

BVTP2.610

BVTP2.6x

PNB

INQ

CN951

XX?

—

CESS

2-8.

PANEL

BOARD

BVTP2.6x8

BVTP2.6X8

nut

knob

(SUR)

e—

knob

(V)

—8

2-9.

DISC

TABLE

ASSY

Note

assembly:

Turn

the

pulley

assy

the

direction

the

arrow.

Down

the

bracket

(BD)

assy,

and

assembly

the

disc

table

assy.

BVTP3X8

bracket

(guide

New

CN305

BVTP3x8

bracket

(CDM)

bracket

(guide

disc

table

assy

BVTP3X8

bracket

BVTP3x8

pulley

assy

——

(Ay

2-10.

BRACKET

(BD)

ASSY

Note

assembly:

Set

the

arrow

portion

gear

(loading

for

shaft

(CAM).

BVTP3X8

tension

spring

bracket

(BU

BASE)

bracket

(BD)

assy

Pully

assy

turn

the

direction

the

arrow

fully.

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