Pioneer A-705R User manual

@)

PIONEER’

The

Art

of

Entertainment

Service

Manual

STEREO

AMPLIFIER

-/05R

e@

Refer

to

the

service

manual

ARP2890

for

A-604R/HE.

ORDER

NO.

RRV1590

THIS

MANUAL

IS

APPLICABLE

TO

THE

FOLLOWING

MODEL(S)

AND

TYPE(S).

The

voltage

can

be

converted

by

the

Power

Requirement

following

method.

[sp]

_|

AC

110/120

-

127v/220v/240V

With

the

voltage

selector

AC220

—

230V

AC240V,

*

AC220

-

230V

AC240V,

*

%*

:

Alter

the

wiring

of

the

Power-supply

biock

at

the

primary

winding

of

Power-transformer

referring

to

the

"Line

Voltage

Selection”

described

in

Service

Manual.

PIONEER

ELECTRONIC

CORPORATION

4-1,

Meguro

1-Chome,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

SERVICE,

INC.

P.0.Box

1760,

Long

Beach,

CA

90801-1760,

U.S.A.

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Haven

1087,

Keetberglaan

1,

9120

Melsele,

Belgium

PIONEER

ELECTRONICS

ASIACENTRE

PTE.

LTD.

501

Orchard

Road,

#10-00

Lane

Crawford

Place,

Singapore

0923

©

PIONEER

ELECTRONIC

CORPORATION

1996

T-FZK

APR.

1996

Printed

in

Japan

A-705R

INPUT

ASSY

AWZ8359

and

AWZ7806

have

the

same

construction

except

for

the

following:

Symbol

&

Description

AWZ7806

AWZ8359

}

Romarts

|

C717

—

C720

CEEA470M25

CENA470M25

C729

—

C732

CEEA100M50

CENA100MS0

CN8105__-

JACK

(2P)

AKB7028

Not

used

JA8105_—_—

JACK

(2P)

Not

used

DKB

1045

For

CN8105

CN8106

JACK

(6P)

AKB7012

AKB7079

MPU

ASSY

AWZ8360

and

AWZ7758

have

the

same

construction

except

for

the

following:

Symbol

&

Description

AWZ7758

AWZ8360

Remarks

a

VOLUME

ASSY

AWZ8363

and

AWZ7724

have

the

same

construction

except

for

the

following:

oF

ar

Symbol

&

Description

AWZ7724

AWZB363

Remarks

C801,

C802

CEAS220MS50

CENA220M25

R807,

R808

RD1/4PM271J

RDR1/4PM2713

R809,

R810

RD1/4PM272J

RDRI1/4PM272J

R817,

R818

RD1/4PM562J

RDRI1/4PM562J

POWER

AMP

ASSY

Symbol

&

Description

C1

(10000pF/56V)

C2

(10000pF/56V)

C303,

C304

Q401,

Q402

Q403,

Q404

RY401,

RY402

VOLTAGE

AMP

ASSY

C203

—

C206

(220pF/16V)

C213,

C214

(10yF/50V)

231,

C232,

C235,

C236

(330uF/63

D201

—

D204

R203,

R204

R205

—

R208

R267

—

R270

R271,

R272

R275,

R276

R293,

R294

VR203,

VR204

(47kQ)

REC

OUT

ASSY

Symbol

&

Description

AWZ8350

and

AWZ7706

have

the

same

construction

except

for

the

following:

AWZ7706

AWZ8350

ACHI234

ACH1235

CEAS471M6

2SC3298

2SA1306

ASR

-

112

CEAS221M16

CEAS100MS50

CEAS331M63

AEL1148

RD1/4PM104J

RD1/4PM100J

RD1/2PM472J

RD1/4PM221)

RD1/4PM

1015

RD1/4PM112J

ACP1045

ACH7050

ACH7051

CEAS471M6R3

28C4793

2SA1837

ASR

—

109

AWZ8351

and

AWZ4895

have

the

same

construction

except

for

the

following:

AWZ4895

AWZ8351

ACH7052

VCH1130

ACH7053

BR3371XJ30A

RDR1/4PM104J

RDR1/4PM100J

RDR1/2PM472)

RDR1/4PM2213

RDR1/4PM101J3

RDR1/4PM112J

RCP1047

Although

AWZ8352

and

AWZ7842

are

different

in

part

number,

they

consist

of

the

same

components.

DIODE

ASSY

AWZ8353

and

AWZ7763

have

the

same

construction

except

for

the

following:

4s

Part

No.

D595

FMM

-

22S

F10P20F

D596

FMM

-—

22R

F10P20FR

POWER

TRANS

ASSY

Although

AWZ8354

and

AWZ7759

are

different

in

part

number,

they

consist

of

the

same

components.

A-705R

POWER

SW

ASSY

ia

AWZ8365

and

AWZ7707

have

the

same

construction

except

for

the

following:

Symbol

&

D:

ti

ym

escription

AWz8365

}

Romats

|

Awz77o7__—|_AWZ8355_

IC551

NJM78MS6FAS

NJM78M56FA

L553

LAU220K

LAU220J

LAU220)

POWER

SW

assy

(AWZ8355:

HY7EW

AND

HY/GR

TYPES)

(AWZ8365:SD

TYPE)

a

aancend

HEADPHONE

ASSY

Although

AWZ8357

and

AWZ4885

are

different

in

part

number,

they

consist

of

the

same

components.

TONE

ASSY

AWZ8358

and

AWZ7766

have

the

same

construction

except

for

the

following:

nee

Part

No.

tac]

Sybo

&

Dein

AWZE958

C613,

C614

CKCYX103M25

CGCYX103M25

C615,

C616

CKCYX473M25

CGCYX473M25

C619,

C620

CKCYX273M25

CGCYX273M25

C649,

C650

CKCYX333M25

CGCYX333M25

C651,

C652

CKCYX223M25

CGCYX223M25

D610

—

D615

AEL1099

BR3371XJ30A

$604

ASG1029

ASG1051

Remote

receiver

unit

AXX1023

GP1U58X

A-705R

@

CONTRAST

OF

MISCELLANEOUS

PARTS

NOTES:

e

Parts

marked

by

"NSP"

are

generally

unavailable

because

they

are

not

in

our

Master

Spare

Parts

List.

e

The

A\

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designation.

¢

Parts

marked

by

"@"

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

than

usual

or

they

may

be

unavailable.

A-705R/HY/EW,

HY/GR,

SD

and

A-604R/HE

have

the

same

construction

except

for

the

following:

Symbol

&

Description

A-604R

|

HE

_—i|__—iHY/EW

HY/GR

|

SD

AF

ASSY

AWK7172

AWK7304

AWK7306

POWER

AMP

ASSY

AWZ7706

AWZ8350 AWZ8350

AWZ8350

VOLTAGE

AMP

ASSY

AWZA895

AWZ8351

REC

OUT

ASSY

AWZ7842

AWZ8352

DIODE

ASSY

AWZ7763

AWZ8353

POWER

TRANS

ASSY

AWZ7759

AWZ8354

POWER

SW

ASSY

AWZ7707

AWZ8355

AWZ8365

INPUT

ASSY

AWK7180

AWK7305

HEADPHONE

ASSY

AWZA885

AWZ8357

TONE

ASSY

AWZ7766

AWZ8358

INPUT

ASSY

AWZ7806

AWZ8359

CONTROL

COMPLEX

ASSY

AWP7003

AWP7008

MPU

ASSY

AWZ7758

AWZ8360

VOLUME

ASSY

AWZ7724 AWZ8363

AWZ8363

S1

Voltage

selector

Not

used

Not

used

Not

used

AKX

—

507

#1

(AC110V/120

—

127V/220V/240V)

S2

Voltage

selector

Not

used

Not

used

Not

used

AKX1004

*1

(AC110—-

127V/220

-

240V)

Ti

Power

transformer

ATS1490 ATS7124

ATS7124

Not

used

(AC220

-

230V/240V)

T1

Power

transformer

Not

used

Not

used

Not

used

ATS7125

(AC110V/120

—

127V/220V/240V)

AC

outlet

AKP

—

502

AKP

-

502

AKP

-

502

AKP

-

515

FU2

Fuse

(2.5A)

Not

used

Not

used

Not

used

AEK

—

512

#2

AC

power

cord

:

ADG1127

ADG1154

ADG1158

Scerw

Not

used

VBZ30P120FMC

|

VBZ30P120FMC

|

VBZ30P120FMC

|

For

insulator

Rear

panel

(MET)

ANC7240

ANC7431

ANC7431 ANC2081

Insulator

Not

used

AMR2622

S4

Switch

Not

used

ASH

—

501

*3

ASH

-

501

#3

Not

used

On

rear

panel

Screw

Not

used

BMZ30P080FZK

BMZ30PO80FZK

Not

used

For

S4

switch

Front

panel

(MET)

ANB7018

ANB7055

Heat

sink

ANH1435

ANH7017

Sheet

AEE1014

AEE7010

Operating

instructions

ARE7049

ARE7071

Not

used

Not

used

(English/French/German/Itarian/

Swedish/Dutch/S

panish/Portguese

Operating

instructions

Not

used

ARC7119

Not

used

(German)

Operating

instructions

Not

used

Not

used

ARE7072

(English/Spanish/Chinese)

Side

pad

L

AHA1658

Short

plug

AKM

-

050

AKM

-

050

AKM

-

050

Packing

case

AHD7313

AHD7314

Packing

sheet

AHG7008

Note

#1

:

Refer

to

"SCH-1"

of

A-604R/SD

in

the

ARP2890

service

manual.

%*2

:

Refer

to

"SCH-6"

of

A-604R/SD

in

the

ARP2890

service

manual.

%3

:

Refer

to

pages.

Mark

No.

_

Description

ss

Parts

No,

CAPACITORS

C1

(1000056)

ACH1234

C2

(1000056)

ACH1235

C417

-C420

CCCSL680K500

C308

-C310

CEAS010M50

C306

CEAS220M50

C501

,C502

CEAS331M50

C303

,C304

CEAS471M6

C301

,C302

CEAS4R7M50

C505

CEHAQ100M50

C503

,C504 ,C506

CEHAQ101M50

C401

-C404

CFTXA104J50

C405

-C412

CFTXA223J50

C305

CKCYF103Z50

RESISTORS

A

R409

R410

(0.22,//5W)

ACN1075

R513

-R515

RD1/2PM102J

R421

-R424

RD1/4PM100J5

R305

,R306 ,R310

RD1/4PM103J

R303

,R304

RD1/4PM153J

R507

-R509

RD1/4PM331J

R311

RD1/4PM334JU

R312

RD1/4PM680J

R505

,R506

,R511

RD1/4PM821J

Ay

R413

,R414

RD1/4PMFL392J

A\

R433

-R436

,R441

R442

RFA1/4PS101J

A

R309

RFA1/4PS221J

A

R437

-R440

RFA1/4PS470J

A

R401

-R404

,R443

,R444

RFA1/4PS4R7J

A

R503

,R504 ,R512

,R519

,R520

RFA1/4PS4R7J

A

R431

,R432

RS1LMF681J

A

R419

,R420

RS2LMF100J

A

R429

,R430

RS2LMF331J

A

R510

RS2LMF392J

A,

R501

,R502

RS2LMF472J

Other

Resistors

RD1/8PML

IL

OTHERS

SPEAKER

TERMINAL

8-P

AKE1011

HEAT

SINK

M

ANH-813

HEAT

SINK

ANH-880

CN7

CONNECTOR(11P)

KPE11

POWER

SW

ASSY

SEMICONDUCTORS

IC551

NJM78M56FAS

Q551

2SD1913

Q552

XDC143ES

D557

HSS104-02

D556

,D558

RD6.2ESB3

D554

RD6.8ESB

D551

-D553

$5688G

COILS

AND

FILTERS

/\

L554

(t.0mH7250V)

ATF-163

L553

LAU220K

TRANSFORMERS

AN

7551

ATT1229

SWITCHES

ANDRELAYS

A

RY551

ASR1036

CAPACITORS

AN

C551

,C552

C561

,C562

(0.01/400V)

ACG1003

C580

(0.01/150V)

ACG1005

C560

(1/7100V)

ACH1237

C557

,C559

CEAS100M50

Mark

No.

Description

Ss

Parts

No.

C556

C554

C555

,C558

C564

,C581

RESISTORS

R556

R553

R557

R551

R555

R552

Other

Resistors

>R>

OTHERS

JACK

A

AC

INLET(1P)

FUSE

CLIP

CN2

CONNECTOR(7P)

POWER

TRANS

ASSY

SEMICONDUCTORS

D527

D525

,D526

,D528

CAPACITORS

C528

C529

(0.01//150V)

C525

,C526

(1/100V)

C524

C527

C523

RESISTORS

A

R523

-R525

,R529

Other

Resistors

OTHERS

CN1

CONNECTOR(3P)

DIODE

ASSY

SEMICONDUCTORS

D596

D595

REC

OUT

ASSY

CAPACITORS

C771

-C778

RESISTORS

Other

Resistors

OTHERS

JACK(8P)

CN12

CONNECTOR(15P)

INPUT

ASSY

No

service

part

HEADPHONE

ASSY

CAPACITORS

C491

,C492

CEAS101M25

CEAS102M25

CEAS470M25

CKCYF103Z50

RD1/4PM102J

RD1/4PM222J

RD1/4PM331J

RFA1/4PS470J

RFA1/4PS4R7J

RS2LMF101J

RD1V/8PMUIL

IL

AKN-207

AKP1132

AKR1003

KPE7

HSS104-02

S5688G

ACG1005

ACH1237

CEAS101M63

CEAS2R2M50

CEEA221M63

RStLMF103J

RD1/4PM[

JUL

KPE3

FMM-22R

FMM-22S

CCCSL221J50

RD1/8PM[JLIL

AKB7029

KPE15

CKCYB392K50

A-604R,

A-604R-G

1.

EXPLODED

VIEWS,

PACKING

AND

PARTS

LIST

NOTES:

¢

Parts

marked

by

“NSP”

are

generally

unavailable

because

they

are

not

in

our

Master

Spare

Parts

List.

*

The

AN

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designation.

*

Parts

marked

by

“

@

“

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

than

usual

or

they

may

be

unavailable.

1.1

PARTS

LIST

(for

A-604R/HE)

Mark

No.

Description

Parts

No.

Mark

No.

Description

Parts

No.

AN

1

Q3

TRANSISTOR

2SA1302

48

NUT

NK70FUC

A

2

Q4

TRANSISTOR

28A1302

49

NUT

NKSOFUC

A

3

Q1

TRANSISTOR

2803281

50

PUSH

JOINT

(PLS)

AMR2537

A

4

Q2

TRANSISTOR

28C3281

A

5

Q231

TRANSISTOR

2804137

51

REMOCON

WINDOW(PLS)

AAK2457

52

FUNCTION

LENS

(PLS)

AAK2458

A

6

Q232

TRANSISTOR

28C4137

53

LED

LENS

(PLS)

AAK2459

Ay

7

T1

POWER

TRANSFORMER

~~

ATS1490

54

NAME

PLATE

(METAL)

AAM1058

8

S3

SWITCH

ASU1047

55

LED

LENS

(ABS)

PNW2019

9

TERMINAL

SCREW

AKE-031

A

10

AC

SOCKET

3-P

AKP-502

56

ROTARY

KNOB

S

(PLS)

AAB1367

57

ROTARY

KNOB

M

AAB1382

A

11

FU1

FUSE(2.5A)

AEK-512

58

ROTARY

KNOB

L

AAB1385

AN

12

AC

POWER

CORD

ADG1127

59

PUSH

BUTTON

A

(PLS)

AAD2430

NSP

13

CHASSIS

(MET)

ANA1214

60

PUSH

BUTTONB

(PLS)

AAD2432

14

REAR

PANEL

(MET)

ANC7240

NSP

15

PANEL

STAY

(MET)

AND1057

61

POWER

BUTTON

(PLS)

AAD2434

62

OPERATING

INSTRUCTIONS

ARE7049

NSP

16

BOTTOM

PLATE

(MET)

ANF1102

(English,

French,

German,

ttarian,

NSP

17

HEAT

SINK

(MET)

ANH1435

Dutch,

Swedish,

Spanish,

Portuguese)

18

FOOT

AMR2414

63

REMO-

CON

(CU-A013)

AXD7053

NSP

19

DAMPER

ABE1008

NSP

64

BATTERY

(R6P,AA)

AEX-010

NSP

20

HEAT

SINK

HOLDER

(MET)

ANG1825

65

STYROL

PROTECTOR

R

AHA1599

NSP

21

PCB

HOLDER

(MET)

ANG1826

66

STYROL

PROTECTOR

L

AHA1600

NSP

22

SHIELD

PLATE

A

(MET)

ANK1244

67

PACKING

CASE

AHD7185

NSP

23

SHIELD

PLATE

B

(MET)

ANK1245

68

PACKING

SHEET

AHG1204

24

SPRING

(FE)

ABH1089

69

BONNET

CASE(MET)

ANE1418

NSP

25

CUSHION

(RUBBER)

AEB1074

70

BATTERY

COVER

AZN2249

26

NYLON

BINDER

AEC-093

71

PANEL

BASE

(PLS)

AMB2136

27

RIVET

AEC-441

72

FRONT

PANEL

(MET)

ANB7018

NSP

28

PCB

SUPPORT

AEC1006

73

VOLTAGE

AMP

ASSY

AWZ4895

NSP

29

PCB

SPACER

AEC1084

74

POWER

AMP

ASSY

AWZ7706

NSP

30

PCB

SUPPORT

AEC1231

75

POWER

SW

ASSY

AWZ7707

31

PCB

HOLDER

AEC1520

76

POWER

TRANS

ASSY

AWZ7759

32

SHEET

AEE1014

NSP

77

DIODE

ASSY

AWZ7763

NSP

33

BINDER

AEF

1004

78

REC

OUT

ASSY

AWZ7842

34

SCREW

ABA-298

79

HEADPHONE

ASSY

AW2Z4885

35

SCREW

(STEEL)

ABA1007

80

TONE

ASSY

AWZ7766

36

SCREW

(STEEL)

ABA1009

81

INPUT

ASSY

AWZ7806

37

SCREW

(STEEL)

ABA1011

82

VOLUME

ASSY

AWZ7724

38

SCREW

(STEEL)

ABA1014

83

MPU

ASSY

AWZ7758

39

SCREW

(STEEL)

ABA1050

84

LITERATURE

BAG

AHG-117

40

SCREW

ABA1052

41

SCREW

(STEEL)

ABA1095

42

SCREW

(STEEL)

ABA1192

43

SCREW

(STEEL)

ABA1193

44

SCREW

(STEEL)

ABA1194

45

SCREW

BPZ30P120FZK

46

SCREW

(STEEL)

FBT40PQ60FZK

47

SCREW

FBT40P120FCU

A-604R,

A-604R-G

$1

Voltage

selector

SD

TYPE

ONLY

va

JX

‘Y

L

AN

SS

\)

NaS

«/

SN

S07

7]

o\

9

;

2X

SD

TYPE

ONLY

ee

es

ING

w)

YOFZ

NOTE

:

Screws

adjacent

to

WV

mark

on

the

product

are

used

for

disassembly.

3

—

A-604R,

A-604R-G

2.

PCB

PARTS

LIST

(for

A-604R/HE)

NOTES:

¢

Parts

marked

by

“NSP”

are

generally

unavailable

because

they

are

not

in

our

Master

Spare

Parts

List.

°

The

/\

mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

replacing,

be

sure

to

use

parts

of

identical

designation.

¢

Parts

marked

by

“

©

“

are

not

always

kept

in

stock.

Their

delivery

time

may

be

longer

than

usual

or

they

may

be

unavailable.

*

When

ordering

resistors,

first

convert

resistance

values

into

code

form

as

shown

in

the

following

examples.

Ex.1

When

there

are

2

effective

digits

(any

digit

apart

from

0),

such

as

560

ohms

and

47k

ohms

(Tolerance

is

shown

by

J

=

5%,

and

K

=10%).

56082

—*

56

X

101

+

G61

-------------neennn-n

anne

nnn

ncn

cnn

ec

cnenccnnnnnnnnenen

RD1V/8PM

[5}[6}[1)

J

—

ATKSY

47

X10

3

©

47

------nn-nnnnnn

anna

annette

center

ccna

RD1/4PS

[4]

[7]

[3]

J

(0

©

i

ey

RN2H

[0]

[R][5]

K

1G

+

O10

~-------------nnn

nnn

nanan

nnn

nn

rn

ne

nce

nnn

nen

emma

anne

nnnnnnnnnnnnan

RS1P[o}{1}[0}

K

Ex.2

When

there

are

3

effective

digits

(such

as

in

high

precision

metal

film

resistors).

G2

GE

BOD

ONO

Y

Se

BOOT

sec

care

etre

ence

eee

ee

RN1/4PC5621F

Mark

No.

Description

Parts

No.

Mark

No.

Description

Parts

No.

LIST

OF

ASSEMBLIS

C245

C246

CKCYF103250

C229

,C230

,C233

,C234

CKCYF223Z50

NSP

AF

ASSY

AWK7172

RESISTORS

|

—

VOLTAGE

AMP

ASSY

AWZ4895

R285

.R286

.R291

R292

RD1/2PM222J

|__|

POWER

AMP

ASSY

AWZ7706

R267

-R270

RD1/2PM472J

|

_

POWER

SW

ASSY

AWZ7707

R205

-R208

RD1/4PM100J

|

__

POWER

TRANS

ASSY

AWZ7759

R217

-R220

R227

-R234

RD1/4PM101J

NSP

|

DIODE

ASSY

AWZ7763

R273

-R276

RD1/4PM101J

|__

REC

OUT

ASSY

AWZ7842

R203

,R204

RD1/4PM104J

R293

R204

RD1/4PM112J

NSP

INPUT

ASSY

AWK7180

R245

,R246

RD1/4PM122J

|__

HEADPHONE

ASSY

AWZ4885

R271

,R272

RD1/4PM221J

—

|

TONE

ASSY

AW7Z7766

R243

,R244

RD1/4PM222J

|___

INPUT

ASSY

AWZ7806

R225

.R226

RO1/4PM224J

R235

-R238

RD1/4PM225J

NSP

CONTROL

COMPLEX

ASSY

AWP7003

eg

deed

Bel

a

ay

=

oie

penis

R239

-A242

RD1/4PM512U

eae

A

R251

,R252

RD1/4PMF561J

A

R213

-R216

.R247

-R250

RFA1/4PS101J

A

R253

-R256

RFA1/4PS271J

VOLTAGE

AMP

ASSY

A

R281

-R284

RFA1/4PS4R7J

VR201

,.VR202

(10022)

ACP1037

SEM

CONDUC

PORS

VR203

,VR204

(47k)

ACP1045

Q213

,Q214

Q221

,Q222

2SA1048

Other

Reaistors

RD1/8PMC

IIL

Q207

,Q208 ,Q217

,Q218

2SA1145

Q237

0238

,Q249

,Q250

2SA1145

OTHERS

Q209

,Q210

2SA1238

Q215

,Q216

.Q223

,Q224

2SC2458

GNIS:

COMES

TONER)

ee

Q233

,Q234

2SC2603

Q205

,Q206

,Q219

,Q220

2SC2705

Q235

,Q236

,Q251

,Q252

2SC2705

BOWEN

DME”

—

Q245

-Q248

2SC2878

Q211

,Q212

2SC3065

ae

ee

oSA1115

ee

ah

Q403

,a404

2SA1306

Q201

,Q202

2SK163

Qso2

|

>SA092

D201

-D204

AEL1148

Gana

>SB1274

pee

See

peer

Q301

,Q302

501

,0506

28C1845

D213

-D216

RD10ESB

a309

802235

Deos

0208

RD

eEeee

303

-Q306

,Q308

28C2458

Q401

,Q402

2SC3298

CRS

On

>

Q503

,Q505

2SD1913

C209

-C212

CCCSLO70D500

D301

-D304

,D504

-D506

HSS104-02

C201

,C202

CCCSL101K500

D305

RD1SESB2

C213

C214

CEAS100M50

D504

RD27ESB2

C203

-C206

CEAS221M16

D501

2o802

RD30ESB2

C231

C232

,C235

,C236

CEAS331M63

eet

ee

CKCYBSS1KS0

SWITCHES

AND

RELAYS

C215

,C216

CKCYB471K50

RY401

RY402

ASR-112

C217

-C220

CCCSL470K500

RY403

ASFI1005

dQ)

PIONEER’

The

Art

of

Entertainment

Service

Manual

STEREO

AMPLIFIER

A-604R

A-604R-G

ORDER

NO.

ARP2890

THIS

MANUAL

IS

APPLICABLE

TO

THE

FOLLOWING

MODEL(S)

AND

TYPE(S).

aaa

ane]

_PowerRequement

|

Remarks

|

OO

|

=

faczz0v-2a0v

AC

240V,

*

HEZ

|

—

|

OAc

220v-

2200

AC

240V,

*

Oe

ye

|

:

AC

220V

-

230V

AC

240V

AC

110,120V

-

127V,

220V,240V

With

the

voltage

selector

*

:

Alter

the

wiring

of

the

Power-supply

block

at

the

primary

winding

of

Power-transformer

referring

to

the

"Line

Voltage

Selection”

described

in

Service

Manual.

©

For

the

following:

A-604R/HEWZ

and

SD;

A-604R-G/HEZ,

refer

to

page

32.

CONTENTS

1.

EXPLODED

VIEWS,

PACKING

AND

PARTS

LIST

isis

issictcessceccassssetencetecorctcvaxtevsdaavasseese

2

2.

PCB

PARTS

LIST

uuu...

ee

eee

secseeeeeeseetenereeceensas

5

3.

SCHEMATIC

AND

PCB

CONNECTION

DIAGRAMS

iid

sics

sciesecetdescdetvudsassierevevnsdeddasedacsands

9

4.

ADJUSTMENTS

.......

ccc

eee

eceeeeeeceneeseeeneeeeeeeeees

31

5.

FOR

A-604R/HEWZ,SD

AND

A-604R-G/HEZ

..32

6.

PANEL

FACILITIES...

eee

eeeeeeereeeeeesereeeeseeees

33

7.

SPECIFICATIONS

........ccsecsesseseesesesseesserseeseeenees

36

PIONEER

ELECTRONIC

CORPORATION

4-1,

Meguro

1-Chome,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

SERVICE

INC.

PO

Box

1760,

Long

Beach,

CA

90801-1760,

U.S.A.

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Haven

1087,

Keetberglaan

1,

9120

Melsele,

Belgium

PIONEER

ELECTRONICS

ASIACENTRE

PTE.

LTD.

501

Orchard

Road,

#10-00

Lane

Crawford

Piace,

Singapore

0923

©

PIONEER

ELECTRONIC

CORPORATION

1995

O-ZFC

MAY.

1995

Printed

inJapan

Pioneer A-705R User manual

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