Sony TA-D909 Manuale utente

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SERVICE

MANUAL

This

set

is

a

integrated

stereo

Amplifier

Block

of

the

following

models.

LBT-D905CD

TA-D909

AEP

Model

LEEDS

eo

SPECIFICATIONS

Continuous

RMS

power

output

Frequency

response

95W+95W

PHONO

RIAA

curve

+0.5

dB

80

W

+

80W

VIDEO2

+0

(6

ohms,

at

1

kHz,

DIN)

VIDEO3

10

Hz

to

50

kHz

3

dB

Music

power

output

160W

+

160

W

SDP

(6

ohms,

at

1

kHz)

TUNER

Audi

i

TAPE

uelo

sechon

MIG

100

Hz

to

10

kHz

“2

aB

Input

General

Impedance

47

kohms

47

kohms

INPUT

Jack

type

Sensitivity

PHONO

Phono

47

kohms

47

kohms

47

kohms

47

kohms

47

kohms

0.7

mV

10

kohms

TUNER

Phono

VIDEO1

VIDEO2

VIDEO3

*

At80

W

+

80

W

output

With

SDP

IN

and

SDP

OUT

short-circuited

Output

OUTPUT

Jack

type

DAT

VIDEO1

Sensitivity

200

mV

Impedance

2

kohms

2

kohms

2

kohms

2

kohms

2

kohms

VIDEO2

SDP

SURROUND

SPEAKER

HEADPHONES

|

Accepts

headphones

of

8

ohms

or

more

Accepts

speakers

of

16

ohms

Video

section

Inputs

VIDEO1, VIDEO2, VIDEOS,

DBS:

1

Vp-p,

75

ohms

VIDEO1,

VIDEO2,

MONITOR:

1

Vp-p,

75

ohms

Outputs

Power

requirements

240V

AC,

50/60Hz

(UK

model)

UK

Model

E

Model

120/220/240,

50/60Hz

(E,

Saudi

Arabia

models)

220

—

230V

AC,

50/60Hz

(AEP,

Germany,

Italian

models)

Power

consumption

230W

(E,

Saudi

Arabia

models)

400W

(UK

model)

200W

(AEP,

Germany,

Italian

models)

AC

outlet

1

unswitched,

100

W

max.

Dimensions

Approx.

355

X

132.5

K

325

mm

(w/h/d)

incl.

projecting

parts

and

controls

Weight

Approx.

6.9

kg

Design

and

specifications

subject

to

change

without

notice.

INTEGRATED

STEREO

AMPLIFIER

ON

Y.

TA-

D905

|

TABLE

OF

CONTENTS

section

Title

Page

1

.

GENERAL

wee

mmc

rere

cree

eer

cnc

cen

ern

es

ances

eeesanseseeee

3

2.

DIAGRAMS

2-1.

Block

Diagram

ee

eees

Pe

ee

a

9

“2-2.

IC

Description

2

ll

2-3.

Circuit

Boards

Location

«++r+ess

sss

ese

reese

ees

12

2-4.

IC

Block

Diagrams

ee

a

a

13

2-5.

Semiconductor

Lead

Layouts-+++cssseeeeeeees

16

2-6.

Printed

Wiring

Board

—

Main

—--+++++eeeeeeee

17

2-7.

Schematic

Diagram

—

Main

—-c+reesr

erst

eeeees

21

2-8.

Schematic

Diagram

—

Panel

—

sees

essereeeeees

25

2-9.

Printed

Wiring

Board

—

Panel

—

-sresseeeeee-

29

3.

EXPLODED

VIEWS

3-

1.

Overall

Section

l

ee

ars

81

3-2.

Overall

Section

2

Came

e

eee

er

ear

err

erereresesere

82

4.

ELECTRICAL

PARTS

LIST

ome

e

rere

e

een

rare

resceces

33

MODEL

IDENTIFICATION

-—

Specification

Label

—

SON

Ye

—

move.

no.

TaA-D905

INTEGRATED

STEREO

AMPLIFIER

Wd

SERIAL

NO.

MADE

IN

JAPAN

AEP,

Germany,

Italian

models

:

UK

model

:

AC240V

“~~

50/60Hz

AC220

—

230V

“~~

50/60Hz

E,

Saudi

Arabia

models

:

AC120/220/240

“~~

50/60Hz

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

BY

MARK

A

OR

DOTTED

LINE

WITH

MARK

A

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.

2

TA-

D905

SECTION

1

This

section

is

extracted

from

GENERAL

instruction

manual.

.

Location

of

Controls

Front

Panel

|

-_

Panneau

frontal

2]

5

Refer

to

the

pages

indicated

in

@

for

details.

Amplifier

POWER

switch

VIDEO

FUNCTION

selector

@

AUDIO

FUNCTION

selector

@

Buttons

for

storing

sound

quality

settings

(PROGRAM

FUNCTION)

@

VOLUME

control

®

[6

|

VIDEOS

input

jacks

MIC

LEVEL

control

@.

®

MIC

jack

&

[9

|

BALANCE

contro!

©

DBFB

LEVEL

control

@

DBFB

button

@

HEADPHONES

jack

@

SPEAKERS

A/B

selectors

@

Installation

|

Notes

on

Connection

«

Connect

the

AC

power

cord

last.

Make

sure

power

is

off.

«

Cord

plugs

and

jacks

are

color

coded.

Red

piugs

and

jacks

.

are

for

right

channel

(R)

and

white

ones

for

left

channel

(L).

«

Fully

insert

cable

connectors

into

jacks.

Loose

connections

may

cause

hum

or

noise.

«

No

audio

or

video

connecting

cords

are

supplied

with

this

unit.

They

are

supplied

with

other

components.

re

eeess

Basic

connections

Optional

equipment

ey

Connexions

de

base

3

Appareil

en

option

Conexiones

basicas

z

Equipos

opcionales

Ligagdes

basicas

¢

Equipamento

opcional

DBS

tuner

Tuner

DBS

Double

cassette

deck

paces

aie

A

Sintonizador

de

Double

magnétophone

:

DAT

deck

emisiones

via

Deck

de

doble

cassette

Tuner

sii

ies

promis

a

5

ume

OAT

Turntable

system

(PS-D905)

VTR1

satélite

Deck

de

cinta

audiodigital

Piatine

tourne-disque

(PS-D905)

Magnétoscope

1

Sintonizador

de

Gravador

cassete

dupio

Tuner

uner

:

Giradiscos

(PS-D905)

Videograbadora

1

transmissdes

SS

Sintonizador

me

Gravador

DAT

__

Gira-discos

(PS-D905)

Videogravador

1

via

satélite

Sintonizador

:

=

ae

ee

|

a

a

o

=

<

a3

Rin

Cl

Fi

6

a

—_

——_

|]

[

—

|

oo

:

[Sox

oc

sin

05

4

:

a

—

aie

ce)

ee

ee

=

=

moe.

6

OQ

serrsos

;

Fab

Sh

GP

ANGE

LER

R

PINE

AT

ONT

Milt

Ha

To

SDP-D905

Vers

fe

SOP-D905

|

:

al

SDP-D905

To

SOP-D905

a

SDP-D905

3

Vers

DSP-D905

al

SOP-D905

a

SDP-D905

TAREE

ETRE

IGE

PH

LY

MARLO

ED,

AN

RS

—@®

To

the

front

panel

Vers

le

panneau

avant

al

panel!

frontal

ao

paniel

frontal

Yes"

\s)

PR

EATAEL

EA

Ns

ONES

COME

A

Eats

STERN

STE

BESS

PN

RIDE

MOISE

oD

MA

OGIL

SSL

MT

RIO

aL

BS

ER

UR

RNASE

I

AL

NN

EE

NEL

CREE

RIVE

MAES

LA

SPREE.

Et

VTR2

R

video

camera

Magnétoscope

2

Fy

J

Caméra

vidéo

videcorabadara’?

mremnre

Surround

speaker

system

=

4

Digital

surround

processor

CD

player

Videocamara

Vid

dor?

onitor

ae

Systéme

d'enceintes

;

Processeur

mumérique

d’ambiance

Lecteur

CD

Video

camara

wecgravader

Moniteur

de

television

d'ambiance

=

Procesadar

de

sonido

perimétrico

digital

Reproductor

de

discos

compactos

Televisor

monitor

Sistema

de

aitavoces

‘

”

Processador

digital

de

efeitos

perimétricos

Leitor

de

discos

compactos

Monitor/TV

perimétricos

iN

Colunas

de

altifalantes

i

perimétricos

5

ERNE

INS:

Spay

secon

aypeseape:

AEE

LEAP

EN

PENI

EIT

EN

NS

HEE

TES

ES

ER

NESE

SERFS

ODT

EGE

IETS

IAA

IIIT

PET

ENT

TENE

OT

PRONE

TI

Eo

Pe

OE

ee

ee

EIEIO

TEA

LOL

LCE

LE

EN

EET

IHL

TITG

ENTE

INA

S06

-V.L

Tansy

reliteliceye)

SAAT

RR

TY

Te

Rearntat

TES,

ee

ABN

Ag

@

Connecting

a

tuner

Connexion

d’une

tuner

Conexién

de

un

sintonizador

Ligagao

de

um

sintonizador

@

Connecting

a

double

cassette

deck

Connexion

d’un

doubie

magnétophone

Conexién

de

un

deck

de doble

cassette

Ligagao

de

um

gravador

cassete

dupio

”

TAPE

IN

TUNER

IN

F

LINE

IN-

J

LINE

OUT

TAPE

OUT

AU

BUS

connector

(supplied

with

ST-D905)

Connecteur

AU

BUS

(fourni

avec

le

ST-D905)

Connector

AU

BUS

(suministrado

con

el

ST-D905)

©

Connecting

a

digital

surround

processor

Conector

AU

BUS

(fornecido

com

o

ST-D805)

Connexion

d’un

processeur

numérique

d’ambiance

Conexién

de

un

procesador

de

sonido

perimétrico

digital

Ligagao

de

um

processador

digital

de

efeitos

perimétricos

This

connection

allows

you

to

control

this

unit

with

the

remote

commander

supplied

with

ST-D905.

It

also

cs

H

i

i

i

nnect

acter

enables

automatic

function

selection

of

connected

SSS

components.

LINE

IN

LINE

OUT

Cette

connexion

permet

de

faire

fonctionner

l'appareil

a

l'aide

de

la

télecommande

fournie

avec

le

ST-D905.

}

a

Elle

permet

également

la

sélection

automatique

des

‘

SDP-D305

SDP

OUT

composants

raccordés.

:

OCLTIes

es

=.

oo

eer

reco

Ld

Esta

conexién

le

permitira

controlar

esta

unidad

con

el

telemando

suministrado

con

el

ST-D905.

También

permite

fa

seleccién

automatica

de

funci6n

de

los

componentes

conectados.

Esta

ligagdo

permite

o

controle

do

aparelho

com

o

telecomando

fornecido

com

o

ST-D905.

Esta

ligacao

permite

também

a

selecg4o

automatica

de

fungdes

nos

componentes

ligados.

Te

SEAT

NMFS

ENNIS

ES

ST

BSE

RCE

THESE

FC

ALDOR

SI

PRE

TALES

AEE

ERNE

SSID

A

ESSE

DN

0a

gE

AION

TE

OCIS

EAE

ORE

CC

ADIN

RA

SBE

ESSERE

EL

SEEDER

SIRES

ER

SAN

STS

PRESEN

AK

EEON

S060

-VL

ata

rlieliceyg|

,

RRR

arte

MRR

PER

PENN

SHOES

TENET

AER

SELL

Fd

PD

CS

ENE

TLS

TLL

EIR

LIE

OLIN

E

FOR

LEONEL

STEPS

ARCH

IOC

DLT

ESET

OEIC

=

@

Connecting

a

DAT

deck

:

Connexion

d’une

platine

DAT

munie

d’une

sortie

numérique

optique

Conexion

de

un

deck

de

cinta

audiodigital

Liga¢ao

de

um

gravador

DAT

NAC

RR

eR

EER

OR

ETE

EERO

PERE

ples

nae

Scene

ENE

TOG

SOE

BES

SRS

SEE

IN

AE

SLE

IST,

LF

ELIT

TLIO

OOD

Be

oN

COROT

i

DAT

deck

Platine

DAT

Deck

de

cinta

audiodigital

DIGITAL

IN

at

;

A

DAT

deck

can

be

connected

in

3

ways.

When

connecting

Usted

podra

conectar

un

deck

de

cinta

audiodigita!

de

3

formas

fi

Gravador

DAT

OPTICAL

DAT

ie

a

DAT,

use

only

one

of

the

following

connections.

Cuando

lo

conecte,

emplee

solamente

una

de

estas

formas.

i

Une

platine

DAT

peut

étre

connectée

de

3

maniéres

différentes,

A

ligagao

de

um

gravador

DAT

pode

ser

realizada

de

trés

B

mais

les

connexions

doivent

étre

effectuées

selon

un

des

maneiras.

Utilize

um

dos

seguintes

modos

para

a

ligagao.

Optical

cord

Fy

systémes

suivant

uniquement.

OPTICAL

OPTICAL

Cable

optique

DIGITAL

OUT

Ss

cs

a

ACL

NOR

a

OY

RSLS

SEP

IR

MRE

WE

MS

LEANER

SAREE

ELEN

ES

SMES

DIGITAL

IN

DIGITAL

OUT

Cable

optico

OPTICAL

DAT

d

Cabo

éptico

7

‘

A

DAT

deck

A

Platine

DAT

Deck

de

cinta

audiodigital

Gravador

DAT

Feature

of

these

above

connections

Particularidades

de

estas

conexiones

z

els

the

digital

recording

possible?

«

ZEs

posible

la

grabacion

digital?

Yes:

{C

No:

‘A|1B

Si:

IC

No:

lA

f

OPTICAL

Gl

A}

B)

iC

‘Aly

DIGITAL

OUT

¢y

;

as

2

er

:

rae

connection

enables

you

to

record

digital

sound

from

La

conexi6n

[C]le

permitira

grabar

sonido

digital

de

un

2b

od

AIA

ERE

EON

AER

Le

RE

NORTE

REY

LALO

TYE

Ad

RCIA

ORDERS

a

CD

or

DBS

tuner

connected

with

an

optical

cord

reproductor

de

discos

compactos

0

de

un

receptor

de

Optical

cord

without

digital-analog

conversion.

emisiones

via

satélite

conectado

con

un

cable

éptico

sin

sees

pina

3

Thus,

this

connection

allows

you

to

have

your

recording

conversién

digital-analégica.

Por

ello,

esta

conexién

a

apncaenn

i

free

of

any

deterioration

in

sound

quatity

resulting

from

hara

que

pueda

grabar

sin

que

la

cualidad

del

sonidose

§

Cabo

dptico

3

ae

: :

2

i

a

"

:

digital-analog

conversion.

vea

deteriorada

debido

a

la

conversién

digital-

4

zi

analdgica.

S

«

Can

the

digital

surround

processor

effects

be

recorded?

:

Yes:

No:

[Cj

+

ZEs

posible

grabar

los

efectos

del

procesador

de

sonido

perimétrico

digital?

Si:

No:

Caractéristique

des

connexions

indiquées

Caracteristicas

das

ligagées

acima

ci-dessus

«

E

possivel

realizar

gravagdes

digitais?

+

L’enregistrement

numérique

est-il

possible?

Sim:

Nao

:

Oui

:

-

Non:

[A}

[B]

DIGITAL

IN

rr

OPTICAL

DAT

‘

at

OE

TELE

A

ligagao

C

permite

a

gravagao

dos

sinais

digitais

de

um

Re

FS

Ne

ERT

PEO

TT

ES

RON

LORRI

TPL

TOE

IS

STORET

ORES

:

a

La

connexion

[C}

permet

d’enregistrer

le

son

numérique

disco

compacto

ou

sintonizador

de

transmissées

via

f

fl

3

d’un

lecteur

de

CD

ou

d’un

tuner

DBS

raccordés

par

un

satélite

ligado

através

de

um

cabo

optico,

sem

¥

DAT

deck

VIDEO2

IN

cable

optique

sans

avoir

a

faire

la

conversion

conversao

digital-analogica.

s

Platine

DAT

Bs

numérique-analogique.

Esta

ligagdo

possibilita

desta

forma

a

obtengao

de

&

Deck

de

cinta

audiodigital

4

Aussi,

cette

connexion

vous

permet-elle

d’effectuer

des

gravagées

livres

de

qualquer

degradagao

na

qualidade

‘

Gravador

DAT

i

enregistrements

ne

souffrant

pas

de

détériorisations

sonora

resultante

da

conversao

digital-analdégica.

rs

provenant

de

la

conversion

du

signal

numérique

en

eS

:

signal

analogique.

Os

efeitos

do

processador

digital

de

efeitos

h

3

perimétricos

podem

ser

gravados?

z

:

«

Les

effets

créés

par

le

processeur

numérique

Sim:

Nao:

{C]

3

Hae

d’ambiance

peuvent-ils

étre

enregistrés?

s

VIDEO2

OUT

Oui:

[A}

{B]

Non:

[C}

:

*When

playing

back

a

DAT

tape,

select

VEDEO2

with

the

AUDIO

FUNCTION

selector

*Lors

de

ja

tecture

d’une

cassette

DAT,

sélectionner

VEDEO2

avec

le

sélecteur

AUDIO

FUNCTION.

*Para

reproducir

un

cassete

de

cinta

audio

digital,

elija

VEDEO2

con

el

selector

AUDIO

FUNCTION.

*Quando

da

reprodugao

de

uma

cassete

no

gravador

DAT,

posicione

o

selector

AUDIO

FUNCTION

em

VIDEO2.

Pape

ype

ge

arte

Smetana

ent

ty

aE

get

ERNE

LEH

ERT

AI

MG

OF

LIE

REIT

M

ENE

NPS

SSI

EME

NST

IA

BON

GARI

EE

GOR

PIAL

UME

OR

ATES

HLA

PLOL

TY

TEEELSE

CAN

RENNETA

WET

SOE

DHS

ARE

PRE

EO

TARD

EIT

Romeertokerpee

eras

Bi

siti

DAN

0

RE

ASAT

SONA

IL

LAR

EG

CRA

TEEN

Installation

TT

Te

newrrrenie

EEE

LORE

STR

CY

Siege

AHO

ES

CBCP

OM

MINKE

aay

@

Connecting

a

monitor

TV

Conexién

de

un

televisor

monitor

Connexion

d’un

moniteur

de

télévision

Ligagao

de

um

monitor/TV

Monitor

TV

Moniteur

de

télévision

Televisor

monitor

Monitor/TV

a

het

a

hod

S

bod

4

a

eo

;

a

y

x

VIDEO

IN

<

SSS

oe

©

Connecting

a

DBS

tuner

or

a

Laser

Disc

player

Connexion

d’un

tuner

DBS

ou

d’un

lecteur

de

LD

Conexion

de

un

sintonizador

de

emisiones

via

satélite

o

de

un

reproductor

de

discos

laser

Ligagao

de

um

sintonizador

de

transmissoes

via

satélite

ou

leitor

de

disco

laser

«Laser

Disc»

(@)

For

the

equipment

without

an

optical

output/Pour

appareil

sans

sortie

optique/Para

un

equipo

desprovisto

de

salida

optica/Equipamentos

desprovidos

de

saida

Optica

DBS

tuner

or

Laser

Disc

player

a

Tuner

DBS

ou

lecteur

de

LD

a

Sintonizador

de

emisiones

via

satélite

o

reproductor

e

de

discos

laser

4

oe

Sintonizador

de

transmissoes

via

satélite

ou

fo

&

o

«Laser

Disc»

.

:

a

4

©)

For

the

equipment

with

an

optical

output/Pour

appareil

avec

sortie

optique/Para

equipos

provistos

de

salida

§

a

optica/Equipamentos

providos

de

saida

Optica

i

:

DBS

tuner

or

Laser

Disc

player

Tuner

DBS

ou

lecteur

de

LD

Sintonizador

de

emisiones

via

satélite

o

reproductor

de

discos

laser

Sintonizador

de

transmissdes

via

satélite

ou

o

«Laser

Disc»

DIGITALIN:

4

Optical

cord

-

OPTICAL

DBS

4

Cable

optique

Cable

optico

Cabo

optico

ecconneorreayornomeseereiensreny

ay

SDP-D905

SS

eer

—

ee

ere

Adjusting

the

Sound

SPEAKERS

HEADPHONES

Reinforcing

the

Bass

eo

1

Press

the

DBFB

button

so

that

the

indicator

lights

up.

2

Adjust

the

DBFB

LEVEL

control.

Co)

alate]

a

Desired

Sound

Setting

You

can

store

and

recall

3

different

combinations

of

program

source,

volume

level,

and

sound

quality.

Store

the

settings

in

the

PROGRAM

FUNCTION

buttons

1

to

3

on

the

amplifier.

SPEAKERS

A

B

Selecting

Speaker

System

'D]

This

amplifier

provides

for

two

speaker

systems

-

system

A

and

system

B

-

which

can

be

selected

separately

or

simultaneously

using

the

SPEAKERS

selectors.

To

drive

speaker

system

A:

Depress

A.

To

drive

speaker

system

B:

Depress

B.

To

drive

both

speaker

systems

A

and

B:

Depress

both

A

and

B.

For

private

listening:

Connect

a

pair

of

headphones

to

HEADPHONES

and

set

both

selectors

to

OFF

(11).

+

Speaker

systems

A

and

B

are

series

connected.

No

sound

can

be

heard

if

both

SPEAKERS

selectors

are

pressed

when

only

one

speaker

system

is

connected.

Select

a

source

and

play

it.

Sélectionner

une

source

et

la

reproduire.

Seleccione

una

fuente

y

péngala

en

reproduccién.

Seleccione

uma

fonte

e

a

execute.

VID

viQ

VIDEG3

Set

to

the

desired

sound

quality

by

using

the

digital

surround

processor.

Régler

la

qualité

du

son

souhaité

avec

le

processeur

numérique

d’ambiance.

Ajuste

la

cualidad

de

sonido

deseada

empleando

el

procesador

de

sonido

perimétrico

digital.

Ajuste

a

qualidade

sonora

desejada

com

o

processador

digital

de

efeitos

perimétricos.

SELECT

10°

MORE

10

PEASONAL

FILE

a

To

[=]

)

CURSOR

CONTROL

2

Adjust

to

the

desired

volume

level.

Régler

le

niveau

de

volume

souhaitée.

Ajuste

el

nivel

de

volumen

deseado.

Ajuste

o

nivel

de

volume

desejado.

|

OLUME

Store

the

setting.

Mémoriser

je

réglage.

Almacene

el

ajuste.

Armazene

0

ajuste.

a

ae

ee

a

ae

el

ae

CURSOR

MODE

PARAMETRIC

EQUALIZER

FY

F2

[=]

oa

oa

PRESENCE

SURROUND

CONTROL

1

2

3

4

5

OFF

DYNAMIC

SOUND

CONTROL

COMPRESS

EXPANDER

LINEAR

Recalling

a

Sound

Setting

Prepare

the

source

and

press

the

button

for

the

desired

setting.

ott

Bip

edt

dae

Bt

atl

aA

PROGRAM

FUNCTION

Se,

a

EFFECT

LEVEL

=

wnshrtitacieN

tad

baa

Note

on

step

1

/f

you

select

the

tuner

ST-D905

as

a

source,

the

band

and

frequency

of

the

station

tuned

in

will

be

stored.

Notes

on

steps

2

«

Adjust

the

VOLUME

control

within

such

a

range

that

the

volume

level

will

not

exceed

half

of

the

maximum

volume.

e

Be

sure

to

set

the

VOLUME

conirol

to

the

position

more

than

the

second

point

from

the

minimum

level.

Otherwise,

the

stored

setting

will

be

recognized

as

the

zero

level.

>

yee

i

;

4

TA-

D905

TA-

D905

2-1.

BLOCK

DIAGRAM

CNJIO3

7

R

L

R

L

R

CNYI02

1

R

L

R

CNJIO!

L

R

L

R

J502

L

R

J501

L

AUDIO

VIDEO

2

IN

R

$702

L

VIDEO

3

IN

R

J701

J503-2

4504-1

VIDEO

|

J702-3

$503

=|

J504~-3

|

MONITOR

OUT

SECTION

2

DIAGRAMS

IC

118

AUDIO

ce

aa

1€

106

|

|

|

|

\

|

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MUTE

>

Q506

Q50l

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BUFFER

PROGRAM

FUNCTION

|

KEY

eh

-

0463

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0473

®)

IC

POWER

DOWN

DET

ICH15,

QI01

Q102

VIDEO

SELECTOR

0502

BUFFER

eines

>

6)

J503

VIDEO

1

OUT

>

©)

504

VIDEO

2

OUT

Q503

BUFFER

IC107

MIX

AMP

ICII6

>

DBFB

AMP

SW

DRIVE

A

Q129

Q130,131

5

OBFB

ON/OFF

FILTER

AMP

Q127

RV401

DBFB-

LEVEL

CONTROL

DBFB

CONTROL

$405

|

PROGRAM

FUNCTION

|

LED

5

Osc

DUTY-

IN

402

STOP

a

RESET

GEN

:

Q410

1c40!)

SYSTEM

CONTROLLER

X401

Q107

/\

0408

AUB

OUT.

AUB

IN

CNIO7

VOL-

DATA

DET

eis

LOAD

7

DET

:

OFF

SET

:

AC

OFF

i

DET

MOTOR

DRIVE

VOL

-

UP

1C

801

VOL-DOWN>

|

(1d)

Sr

oatke

VET

TeY

z,

|

ica

RVBOI

RV501

VOLUME

ene

[~~~

FRONT

POWER

AMP

|

|

>

|

|

|

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LOAD

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TEMP.

|

PROTECT

&

FAN

CONTROL

|

1C108

>

(Fan)

|

|

Q121

|

Q141

|

|

DRIVE

|

|

| |

|

|

|

gy

|

|

|

|

|

|

|

|

|

|

|

|

|

|

|

L

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FUNCTION

FUNCTION

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SCAN

1C304

IC

112

PROTECT

SPEAKER

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ON/OFF

|

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6V

2-2.

IC

DESCRIPTION

IC401

System

Controlle

(yu

PD75106CW-

190)

Pin

Name

Description

}

:

3

a

meer

eo

:

5

NC

NC

:

fe

ee

ras

qurnasncon

|

10

TST

S

Snes

ideo).

ia)

-

=]

=

oO

11

AUB-OUT

Audio

BUS

output.

«

Mute

signal

output

(video)

Rear

speaker

relay

(RY901)

ON/OFF

control

output.

REAR~SP

Q

Ly

ies)

Video

image

input/output

select

control

output

(1C501).

Q

tt

>

control

output

(1C502):

data

latch

output.

serial

data

output.

Audio

input/output

select

(IC118)

data

clock

output.

Power

terminal

(+5V).

S

C

D

CL

Cc

NC

NC

NC

I

N

1

0

I

SW-OFF

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

ee

lees

audio

input/output

select

0-0

fein

PRESET

1

switch

(S402)

input.

PRESET

2

switch

(S403)

input.

I

|SET

switch

(S401)

input.

33

34

35

36

40

SET-K

4l

A-SCN-3

42

|

A-SCN-2

Position

data

scan

output

of

audio

function

switch.

System

reset

input.

Ceramic

oscillator

generator

circuit

(4.19

MHz).

43

A-SCN-1

44

A-SCN-

>

o

>

ro)

bat

3

od

3

elle

td

4

Oo

>

=

(o>)

a

oO

xX

=

DOWN

signal

output

of

volume

motor

48

VOL-DWN

(RV801).

_

UP

signal

output

of

volume

motor

NOEs

OF

(RY801).

i _

Position

data

scan

output

of

video

ae

NGSEPNS3

function

switch

52

VF-LED

53

PST1-L

54

PST2-L

PRESET

LED

(D472)

control

output

55

PST3-L

PRESET

LED

(D473)

control

output

Motor

DOWN

signal

output

of

audio

function

switch

(FC301)

Video

function

LED

control

output

Motor

UP

signal

output

of

audio

function

switch

(FC301).

PRESET

LED

(D471)

control

output.

oO

58

VF-DW.

function

switch

(FC302)

function

switch

(FC302)

output.

output.

59

VF-UP

B

|

|

1s)

ca

Z|

0

s

REAR-L

61

-L

62

VOL-L

63

DBFB~L

n

re

VSS

2

a

ee