Onkyo A-809 Manuel utilisateur

A-809

Ref.

No.

3404

ONKYO.:

SERVICE

MANUAL

Integrated

Stereo

Amplifier

MODEL

A-809

Black

and

silver

models

120V

AC,

60Hz

230V

AC,

50Hz

240V

AC,

50Hz

120V/220V

AC,

50Hz/60Hz

SAFETY-RELATED

COMPONENT

WARNING!!

COMPONENTS

IDENTIFIED

MARK

THE

SCHEMATIC

DIAGRAM

AND

THE

PARTS

LIST

ARECRITI-

CAL

FOR

RISK

FIRE

AND

ELECTRIC

SHOCK.

REPLACE

THESE

COMPONENTS

WITH

ONKYO

PARTS

WHOSE

PARTS

NUMBERS

APPEAR

SHOWN

THIS

MANUAL.

MAKE

LEAKAGE-CURRENT

RESISTANCE

MEASURE-

MENTS

DETERMINE

THAT

EXPOSED

PARTS

ARE

AC-

CEPTABLY

INSULATED

FROM

THE

SUPPLY

CIRCUIT

BEFORE

RETURNING

THE

APPLIANCE

THE

CUS-

TOMER.

ONKYO

AUDIO

COMPONENTS

A-809

SPECIFICATIONS

Power

Output:

105

watts

per

channel,

min.

RMS,

ohms,

both

channels

driven

from

kHz,

with

than

0.008%

Total

harmonic

distortion.

Dynamic

Power:

303

watts

ohms,

235

watts

ohms

155

watts

ohms

Total

Harmonic

Distortion

0.008%

rated

power

0.008%

watt

output

Intermodulation

Distortion:

0.005%

rated

power

Damping

Factor:

150

ohms

kHz)

Input

Sensitivity/

Phono

(MM):

2.5

mV/50

kohms

Impedance:

Phono

(MC):

160

1V/130

ohms

cD:

150

mV/30

kohms

TUNER:

150

m/30

kohms

Tape

Play:

150

mV/30

kohms

Output

Level/Impedance:

Tape

Rec:

150

mV/1.0

kohms

(Phono)

Phono

Overload:

Phono

(MM):

200

RMS.

kHz,

0.012%

THD.

Tone

Control

(Vol

dB):

BASS:

£8

100

TREBLE:

£8

kHz

High

Cut

kHz

dB/Octave)

(TREBLE

min.)

Frequency

Response:

CD,

Tuner;

Hz-50

kHz

(+0,

-1

dB)

RIAA

Deviation:

Phono

(MM):

+0.3

dB,

20 Hz

~20

kHz

Subsonic

Filter:

20Hz

(-3dB,

64B/Oct)

Signal

Noise

Phono

(MM):

(5.0

input)

Ratio

(IHF-A):

Phono

(MC):

(0.5

input)

(DIRECT):

107

Attenuator:

=20

Muting:

-0o

Power

Supply:

European

models:

AC230V,

U.S.A

Canadian

models:

AC120V,

60 Hz

U.K

Australia

models:

AC240V,

Worldwide

models:

AC120

and

220V

switchable,

60/60

Dimensions

D):455

170

420mm

17-15/16"

6-11/16"

16-9/16"

Weight:

16.7

kg,

36.8

Ibs.

PRECAUTIONS

Replacing

the

fuses

For

continued

protection

against

risk

fire,

replace

only

with

same

type

and

same

rating

fuse.

CIRCUIT

NO.

PART

NO.

DESCRIPTION

P9OL

252052

ST-6,

Primary

fuse

(120V,

120V/220V

model)

FOO!

52075

2.5A-SE-EAK,

Primary

fuse

(230V

model)

F902

252077

4A-SE-EAK,

Primary

fuse

(230V,

240V,

120V/220V

model

}

Insulation

resistance

mesurement

(Only

U.S.A.

model)

Connect

the

insulating-re:

than

SOOV.

ance

tester

between

the

plug

power

supply

cable

and

the

terminal

GND

the

back

panel.

Specifications;

Voltage

selector

(rear

panel)

Worldwide

models

are

equipped

with

voltage

selector

conform

with

local

power

supplies.

sure

set

this

switch

match

the

voltage

the

power

supply

your

area

before

turing

the

power

switch

on.

Voltage

changed

sliding

the

groove

the

switch

with

screwdriver

the

down.

Confirm

that

the

switch

has

been

moved

all

the

way

the

down

before

turning

the

power

switch

on.

Models

without

voltage

selector

can

only

used

areas

where

the

power

supply

the

same

that

the

unit.

220V

120V

A-809

ADJUSTMENT

PROCEDURES

Adjustments

and

Checking

the

Protection

Circuitry

Preparations

Place

the

unit

the

workbench.

(There

should

about

space

between

the

base

plate

the

unit

and

the

work

surface.)

Set

the

unit

follows.

(1)

load

(2)

signal

(3)

Volume

turned

all

the

way

down

(4)

Speaker

switch

OFF

(5)

Power

switch

OFF

Note)

Check

the

following

points

before

making

adjustments

(1)

The

power

switch

should

OFF.

(2)

The

interior

the

unit

should

not

warm.

Idling

current

adjustment

Turn

the

power

switch

and

allow

the

unit

warm

for

about

minutes.

(1)

Adjust

R535

(R536)

that

the

voltage

test

point

VCT-IID

the

NAAF-4209

circuit

board

15mV+5mV.

Note)

Semi-fixed

resistors

enclosed

parentheses

)

are

for

the

right

channel.

Check

operation

protection

circuitry

Check

operation

protection

relay

(1)

Confirm

that

the

relay

turns

approximately

seconds

after

the

power

switch

turned

ON.

(2)

The

SERVO

indicator

LED

should

light

the

same

time.

(3)

The

relay

should

turn

OFF

approximately

0.5

seconds

after

the

power

switch

turned

OFF.

Check

detection

and

servo

circuitry

operation

(1)

Turn

the

power

with

load.

(2)

After

the

speaker

relay

turns

ON,

apply

200mV

the

input

terminals.

Confirm

that

the

relay

turns

OFF.

(3)

Confirm

that

operation

the

same

(2)

above

when

input

DC—200mV

applied.

Note)

Under

circumstances

connect

load

short

the

speaker

terminals

when

performing

the

above

test.

Signal

input

from

the

circuit

illustrated

below

with

load.

(1)

Confirm

that

the

speaker

relay

does

not

turn

OFF

even

when

ohm

load

connected

when

peak

value

30VP

output.

(2)

Next,

confirm

that

when

ohm

load

connected

the

speaker

relay

switchse

OFF

and

couple

times

and

then

stays

OFF.

Note)

The

period

before

that

relay

stays

OFF

should

not

last

for

than

minute.

Relay

OFF

status

can

canceled

switching

the

power

OFF.

Low-frequency

oscillator

Anplifier

Load

Differe-

Attenua~

OUT

resistance

ntiator

tor

Square

wave

The

unit’s

volume

SOHz,

10V

p-p

contro!

may

also

used.

Oscillo-

scope

3.3

OUTPUT

o—w—

Square

wave

input

from

low-frequency

oscillator

Hz,

10V

p-p

A-80!

BLOCK

DIAGRAM

TMP47C440AN

(Microprocessor)

1s6v

iss

sruerceaan

vane

NAS

ROWERL

Power

KEY

‘STANDBY

{orower

NEMS

newut

een

eat

leer

nunl

ororeccime

tow

Out

vo.

vepows

{

jee

lat

POWER

semen

{<9

ena

RESET}

RESET

cea

EEE)

weil

MODE.

ENCDS|

ENCODER

sce}

ave

Exc!

varex,

WET

—

vss

HOR

No.

Symbol

Description

VAREF

Analog

reference

voltage

for

A/D

conversion

VASS

Analog

reference

GND

for

A/D

conversion

KEY

Input

Selector,

Power

key

input

terminal.

read

Input

Selector

and

Power

key

means

A/D

conversion

INPUT

Muting

output

terminal

for

Main

amplifier

input.

Active

“H”

Mating

output

terminal

for

Rec.

output.

Active

“H™

RECMUT

output

when

switching

Input

Selector.

output

continuously

case

Input

Selector

TAPE-1,

TAPE-2,

DAT,

and

DIGITAL-4.

Control

output

terminal

for

PLAYER.

PLAYER

“L”

will

output

for

200ms

input

K64

code

for

remote

control

and

set

Input

Selector

for

PHONO.

VOL

DOWN

UP/DOWN

output

terminal

for

volume.

Active

“H”

case

(DOWN),

VOL

outpout

will

“H”

(“L"),

while

VOL

DOWN

output

will

“L”

VOL

CH").

When

not

moving,

both

outputs

shail

“H”

(Brake).

SEL

DOWN

UP/DOWN

output

terminal

for

Input

Selector.

Active

“H”

case

(DOWN),

SEL

output

will

“H”

(“L"),

While

SEL

DOWN

output

will

“L”

(“H”).

SEL

When

not

moving,

both

outputs

shall

“H”

(Brake).

Output

terminal

for

switching

digital

signal.

Switch

follows

through

the

position

Input

Selector.

Input

éeletor

Output

DIGITAL-1

DIGITAL-2

L L

DIGITAL-3

DIGITAL-4

H H

Others

(Analog)

EXP/JPN

Input

terminal

for

remote

control

initialization

when

energizing.

No.

Symbol

Description

DIG-4/MODE

Output

terminal

for

Input

Selector

display.

Output

the

position

currently

selected

will

“L”

PIGS

(lighted).

DIG-2/AUX-2

DIG-4/MODE

output

will

input

terminal

MODE

for

initializtion

operation

switch

when

DIG-1/AUX-1

energizing.

Outtput

DIG-1/AUX-1,

DIG-2/AUX-2

will

switched

initializing

MODE

into;

TUNER

MODE

DIG-1/AUX-1

DIG-2/AUX-2

L(0)

AUX-1

AUX-2

H(1)

DIG-1

DIG-2

VSS.

GND

terminal

PHONO

DAT

Output

terminal

for

Input

Selector

display.

TAPE-1

‘The

output

the

positon

currently

selected

will

“L

(lighted).

TAPE-2

ENCD1

ENCD2

Input

terminal

for

detecting

position

rotary

input

Selector.

ENCD3

connected

with

Encoder

output

for

position

detecting

Rotary

sw.

ENCD4

TEST

connected

with

GND.

XIN

§ .

Terminal

for

connecting

with

ceramic

oscillator

MHz)

XOUT

RESET

Input

terminal

for

reset

signal.

Active

“L”

Input

terminal

for

detecting

power

suspension.

POFF

Take

countermeasure

soon

possible

against

power

failure

when

tured

into

“!

mode.

ENCDS

Input

terminal

for

detecting

Rotary

position

Input

Selector.

connected

with

Encoder

output

for

position

detecting

Rotary

sw.

SYS

OUT/SYS

Ouptut

terminal

for

System

code.

Active

“L”

turned

into

SYS

for

initialization

input

when

energizing.

REM

Input

terminal

for

remote

control

signal.

‘Active:

connected

with

output

photoreceivin

unit.

SYS

Input

terminal

for

System

code.

Active

“H”.

Output

terminal

for

Muting

display.

Lighted

case

“L”

set

“L”

when

Muting

remote

control

ON.

Output

terminal

for

Standby

display.

Lighted

incase

“L”

STANBY

tumed

into

“L”

when

Power

OFF.

Except

the

case

power

susupension,

the

level

inverted

Power

output

always

output.

POWER

Output

terminal

for

Power

control.

“L”

When

Power

VDD

Power

(+5V)

Conntecting

terminal.

LB1638

(Motor

drive)

Tauth

Table

CONTROL,

our

|0UT1/O0UT2)

£-F

|NORMAL

L H

|REVERSE

H H L L

BRAKE

L L

OFF

WAIT

BLOCK

DIAGRAM

REC

SELECTOR

SOURCE

DIRECT

POWER

AMP.

pee

VOLUME

R321

TAPE-2

PLAY

aeos

QS)

RECO

PE-

ATTENUATOR

—

BALANCE

PLAY©

SUBSONIC

oti

Move

rec

RELAY

Q807

POWER

DAT

QF”

+8104)

PLAYO

COM

ROTARY

ENCODER

32]

Q8ol

gale

MICRO

PROCESSOR

EQUALIZER

+B10

35.

26~:

PHONO

cou

39]

17~20

22~25

CARTRIDGE

NSS

S101

TUNER

Ses

2808)

oI.

MOTOR

Oil

reg

“0

o-mEH

(P)

Qso2

INPUT

power

{°seLector

ses2

MIND

+BIO

Aux-2

STAND-BY

POWER

AMP.

|seeones

OFF

A+B

PHONES

BALANCE

lic

+86

MODE

0853

TREBLE

BASS

Q810.

9852

POWER

leq

X801

[}

301

PROCESSOR

A-809

CHASSIS-EXPLODED

VIEW

A006

ugis

CHASSIS

EXPLODED

VIEW

PARTS

LIST

REF.

NO.

A001

AQU2

A003

A006

A009

A010

AOIL

AOI2

AOI3

AOI4

AOLS

A016

AOI7

A020

A022

A023

A024

A026,

A027

A029

A030,

A035

A038,

A039

A042

A043

A044

A045

A047

A049

AOSI

A303

A304

A305

A306

A307

A500

(ASIN)

(A512)

(A516)

(A518)

(A519)

(A520)

(A518)

(AS19)

(A523)

(A801)

AS03

ASOS

A631

PART

NO.

27110588-1C

27270212

272703264

27121477B

271214784,

271214804,

27121525

28140859

28140695

271306224

27130623

27130624

27130656A

28170025

27190846

27130627

27300833

27300750

27270213

27301394,

27160282

27160283

27301328

28140808

800529

82143006

801433

834430088

831130088

830440109

801230

838440089

831430088

837440169

28184464

272651554

28140695,

28140693

28141009

1A293121

27265219

272652244

28198742

27265220C

28198742

27265221A

28135199

283240824

28191568

28198753

28198742

28199190

1294121

27265219-2

27265224-3A

27265223-3

27265220-2A

272

28324414

28185359

28185360

27170271

DESCRIPTION

FRONT

BRACKET

SPACER

(VOL)

BACK

PANEL

[D]

BACK

PANEL

|P]

BACK

PANEL

[W]

BACK

PANEL

[Q)

6020

1ST,

CUSHION

240

X1.ST,

CUSHION

BRACKET

(SHIELD)

BRACKET

(L)

BRACKET

(R)

BRACKET

(C)

BUSHING

HOLDER

(CAPACITOR)

BRACKET

(EQ)

WS-2NS,

CRAMP.

#2271,

BUSHING

(AC

CORD)

SPACER

(PT)

HL-18-0,

CRAMP.

RADIATION

BFG-20,

RADIATION

SHEET

50-50-3T,

CUSHION

BUSHING

(PC)

3P+6FN(BC),

PAN-HEAD

SCREW

3SMS8WSW-+14B(BC),

SPECIAL

TAP-TIGHT

SCREW

3TTS+8B(BC),

TAP-TIGHT

SCREW

3TTW+8B, TAP-TIGHT

SCREW.

ATTC+10C(BC),

TAP-TIGHT

SCREW

38TS+8BQ(BC).

TAP-TIGHT,

SCREW

ATTB+8C(BC),

TAP-TIGHT

SCREW

3TTW+8B(BC),

TAP-TIGHT

SCREW

ATTT+16C(BC),

TAP-TIGHT

SCREW

TOP

COVER

COSMETIC

RING

(COVER)

25240

x1,5T,

CUSHION

10180

I.ST,

CUSHION

125

195

x1.5T,

CUSHION

FRONT

PANEL

ASS"Y

[BLK]

COSMETIC

RING

(L)

[BLK]

COSMETIC

RING

ASS’Y

(SEL)

[BLK]

FACET

COSMETIC

RING

(D)

[BLK]

COSMETIC

RING

(R)

[BLK]

FACET

COSMETIC

RING

(VOL)

[BLK]

NAME

PLATE.

KNOB

ASS"Y

(POW)

[BLK]

CLEAR

PLATE

(RE)

FACET

FILM

FRONT

PANEL

ASS'Y

[SIL]

COSMETIC

RING

(L)

[SIL]

COSMETIC

RING

ASS’Y

(SEL)

[SIL]

COSMETIC

RING

(D)

[SIL]

COSMETIC

RING

(R)

[SIL]

COSMETIC

RING

(VOL)

{SIL]

KNOB

ASS"Y

(POW)

[SIL]

SIDE

BOARD

(L)

SIDE

BOARD

(R)

BOTTOM

BOARD

(L)

REF.

A632

A633

A634

A636

A8I0

A810

A&I

ABIL

ABI2

A812

A813

A814

A8I4

ABIS

A8IS

609.

Q614,

Q610

Q611

Q616,

Q612

ATo01

Arvo

Aro0i

Aro

S101

S281

Ass

POOS:

A903

Apo

F901

POOT

F902

oO!

002

003

woos

U00S

006

U006

NO.

Q613

Q615

P9O2

PART

NO.

271702724,

28141024

27270212

27175251

28324083,

283244134.

283240844,

28324084-2

28324085B~

28324085-2

28324086

28324416

28324411

28324412

283240884

28324417

2201703

2201706

2201704

2201693

2201696

2201694

2300706

2300707

2300708,

2300709

25030348

25030349

25065287

25060044

25050337

253168

253148

253150

253092-1A

253170

252052

252075

252077

1A293509-1

1A293510-1

1A293511-1

1A293512-1

1A293513-1

1A293514-1

1A293514-1A

1A293514-1B

DESCRIPTION

BOTTOM

BOARD

(R)

20x

240x2.5T,

CUSHION

SPACER

LEG

ASS'Y

KNOB

(VOL)

[BLK]

KNOB

(VOL)

[SIL]

KNOB

(SEL)

[BLK]

KNOB

(SEL)

[SIL]

KNOB

(D)

[BLK]

KNOB

(D)

{SIL}

KNOB

(SP)

[BLK]

KNOB

(SP)

[SIL]

KNOB

(TONE)

[BLK

KNOB

(TONE)

[SIL]

KNOB

(PUSH)

[BLK]

KNOB

(PUSH)

[SIL]

2SC3855-O

28C3855-P

2SC3855-Y,

TRANSISTOR

28A1491-0

2SA1491-P

2SA1491-Y,

TRANSISTOR

NPT-1116D,

POWER

TRANSFORMER

[D|

NPT-1116P,

POWER

TRANSFORMER

|P|

NPT-1116DG,

POWER

TRANSFORMER

|W]

NPT-1116Q,

POWER

TRANSFORMER

[Q|

NRSF-102-20BU,

SWITCH

OPERATION

SECTION

NRSF-104-20BU,

SWITCH

OPERATION

SECTION

NSS-22113P,

SLIDE

SWITCH

[W]

TERMINAL

(GROUND)

NSCT-2P

164,

SOCKET

(P]

NSCT-2P173,

SOCKET

[Q|

AS-UC-6

#18

AS-UC-6

#18

AS-UC-6

#18

AS-UC-6

#18,

POWER

SUPPLY

CABLE

[D]

AS-CEE

AS-CEE,

POWER

SUPPLY

CABLE

{PI

AS-CEE-2,

POWER

SUPPLY

CABLE

|W]

AS-SAA,

POWER

SUPPLY

CABLE

TAST-6,

FUSE

[D,

2.5A-SE-EAK.

FUSE

[P]

4A-SE-EAK,

FUSE

[P,

NAAF-4209-1

MAIN

CIRCUIT

BOARD

ASS’Y

NAETC-4210-1

SPEAKER

TERMINAL

BOARD

ASS*Y

NAETC-4211-1

SOCKET

BOARD

ASS’Y

[D]

NASW-4212-1

INPUT

CIRCUIT

BOARD

ASS"Y

NAPS-4213-1

POWER

SUPPLY

CIRCUIT

(1)

BOARD

ASS*Y

NAETC-4214-1

POWER

SUPPLY

CIRCUIT

(2)

BOARD

ASS"Y

[D]

NAETC-4214-1A,

POWER

SUPPLY

CIRCUIT

(2)

BOARD

ASS'Y

[P]

NAETC-4214-1B,

POWER

SUPPLY

CIRCUIT

(2)

BOARD

ASS"Y

|W]

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Table des matières

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