Pioneer A-07 User manual

Service

Manual

STEREO

AMPLIFIER

A-07

ORDER

NO.

ARP2895

THIS

MANUAL

IS

APPLICABLE

TO

THE

FOLLOWING

MODEL(S)

AND

TYPE(S).

|_

Model

Power

Requirement

A-07

ee

oe

CONTENTS

1.

EXPLODED

VIEWS,

PACKING

AND

PARTS

LIST

o...cccsciscssissssecccccsvcocvcsesasccoecussecscacneacte

2

2.

SCHEMATIC

AND

PCB

CONNECTION

DIAGRAMG

..............:ccccsssscsssssssccsessseesecenescseensecsees

8

3.

PCB

PARTS

LIST

.................cescssssesecetessnnssesesenees

19

4.

BLOCK

DIAGRAM

...................:::cccsessssnscreseersenee

23

5.

ADJUSTMENTS

...............cccccessssserssececeesssssnsenees

24

6.

PANEL

FACILITIES

....................:-s:ssssesssessesneeeees

25

7.

SPECIFICATIONS

...................scsesscsseceescessesneeteeee

26

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

Place,

Singapore

0923

©

PIONEER

ELECTRONIC

CORPORATION

1995

O-FFC

MAY.

1995

Printed

inJapan

A-07

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

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.

1.1

PARTS

LIST

Mark

No.

Description

Parts

No.

Mark

No.

Description

Parts

No.

A

1

Qt

TRANSISTOR

2SC3281

NSP

46

AC

COAD

SPACER

ANG1979

A

2

Q2

TRANSISTOR

2SC3281

47

LONG

SYAFT

ANL7001

A

3.

Q3

TRANSISTOR

2SA1302

NSP

48

AC

CORD

HOLDER

AEB1200

A

4

Q4

TRANSISTOR

2SA1302

NSP

49

RUBBER

STOPPER

AEB1325

A

5

Q5

TRANSISTOR

28C4137

50

NYLON

BINDER

AEC

—093

A

6

Q6

TRANSISTOR

28C4137

NSP

51

COVER

AEC

—

294

A

7

Q7

TRANSISTOR

28C4137

NSP

52

PCB

HOLDER

AEC1097

A

8

Q8

TRANSISTOR

28C4137

NSP

53

PCB

SPACER

AEC1180

A

9

Di

DIODE

C16P20F

NSP

54

BUSH

(PLS)

AEC1293

A

10

D2

DIODE

C16P20F

NSP

55

WIRECLIP

AEC1388

A

11

D3

DIODE

C16P20FR

NSP

56

AC

CORD

CATCHER

AEC1397

A

12

D4

DIODE

C16P20FR

57

PCB

CONNECTOR

(PVC)

AEC1500

13.

Ci

ELECTROLYTIC

CAPACITOR

ACH7024

58

EDGE

SADDLE

AEC1571

14.

C2

ELECTROLYTIC

CAPACITOR

ACH7024

59

DENKA

SHEET

AEC1598

15

(C3

ELECTROLYTIC

CAPACITOR

ACH7025

NSP

60

SPACER

AEC1601

16

C4

ELECTROLYTIC

CAPACITOR

ACH7026

NSP

61

BUSH

(PLS)

AEC1602

A

17.

C5

CAPACITOR

(0.01/AC400V)

=

ACG1003

NSP

62

BUSH

(PLS)

AEC1603

A

18

C6

CAPACITOR

(0.01/AC400V)

ACG1003

NSP

63

SPACER

AEC1430

A

19 Tl

POWER

TRANSFORMER

ATS7071

64

HOLDER

AEC1534

A

20

T2

POWER

TRANSFORMER

ATS7071

NSP

65

FRAME

ANK7015

A

21.

RY1

POWER

RELAY

(12V)

ASR1041

66

FRONT

PANEL

ANB7016

A

22

RY2

POWER

RELAY

(12V)

ASR1041

67

INDICATOR

LENS

AAK2303

23

GROUND

TERMINAL

AKE—046

68

SIDE

PANEL

AMR2606

24

IP

SPEAKER

TERMINAL

AKE7009

69

SIDE

PANEL

AMR2607

25

1P

SPEAKER

TERMINAL

AKE7010

70

SIDE

PANEL

AAP7015

26

SHORT

PLUG

AKM—050

71.

+ESCUTCHTEON

A

AMR7048

A

27.

~FU1

FUSE

(T1.6A,250V)

AEK

—

510

72.

ESCUTCHTEON

B

AMR2701

A

28

FU2

FUSE

(T1.6A,250V)

AEK

—510

73.

NAME

PLATE

VAMIO051

A

29.

FU3

FUSE

(T250mA,250V)

AEK

—

503

74

ROTARY

KNOBL

AAB7056

A

30.

FU4

FUSE

(T500mA,250V)

AEK

—

505

75

ROTARY

KNOB

M

AAB7057

A

31

AC

POWER

CORD

ADG1093

76

REMOCON

WINDOW

AAK2457

NSP

32

SIDE

FRAME

ANAI218

NSP

77

BONNET

CASE

ANE7063

33.

TRANS

FRAME

ANA7022

78

SCREW

(STEEL)

ABA1011

NSP

34

ANGUL

ANA7023

79

SCREW

ABA—298

35

REAR

PANEL

(MET)

ANC7238

80

SCREW

(STEEL)

ABA1004

36

PANEL

STAY

(MET)

AND7002

81

SCREW

(STEEL)

ABA1007

NSP

37.

BOTTOM

PLATE

(MET)

ANF7003

82.

BINDER

AEP—215

NSP

38

HEAT

SINK

ANH7017

83

SCREW

(STEEL)

ABA1053

39

FOOT

AMR1159

84

SCREW

ABA1024

NSP

40

AC

CORD

COVER

ANG7034

85

SCREW

(STEEL)

ABA1047

NSP

41

VOLUME

HOLDER

ANG1661

86

SCREW

(STEEL)

ABA1050

42

WASHER

(COPPER)

ABE1001

87

SCREW

ABA1066

43.

EARTH

PLATE

ANG1968

88

SCREW

ABA1156

NSP

44

HEATSINK

HOLDER

(MET)

ANG7033

89

SCREW

(STEEL)

ABA1192

45

BINDER

AEC

—

826

90

SCREW

(STEEL)

ABA1193

NSP

>>

NSP

Mark

No.

Description

Parts

No.

91

SCREW

(STEEL)

ABA1194

92

SCREW

(STEEL)

ABA1208

93

SCREW

4X6

(FE)

ABA7011

94

SAPORT

POST

ABA1214

95

SCREW

BBZ40P120FZK

96

SCREW

IPZ30P120FCU

97

SPACER

AEEI1013

98

NUT

NK70FCU

99

NUT

NK90FCU

100

SH

SCREW

PBA1049

101

SCREW

VCZ30P060FMC

102.

SCREW

VMZ30P060FCU

103

WASHER

WCO060FUC

104

WASHER

WHS50FMC

105

INPUT

L

ASSY

AWZ5958

106

INPUT

R

ASSY

AWZ5959

107

MOTOR

FUNCTION

ASSY

AWZ5897

108

GAIN

SEL

ASSY

AWZ5960

109

LED

ASSY

AWZ5740

110

POWER

SW

ASSY

AWZ5961

111

MOTHER

ASSY

AWZ5965

112.

DIODE

L

ASSY

AWZ5963

113.

DIODE

R

ASSY

AWZ5964

114.

AC

ASSY

AWZ5966

115

SUB

TRANS

1

ASSY

AWZ5957

116

PCB

SPACER

AEC7020

117

SCREW

(STEEL)

ABA1006

118

MOTOR

VOL

ASSY

AWZ5896

119

M-CON

ASSY

AWZ5898

120

REC

SEL

ASSY

AWZ5899

121

EYE

ASSY

AWZ5730

122.

SUB

TRANS

2

ASSY

AWZ5731

123.

RI

CARBON

FILM

RESISTOR

RD1/4PMF4R7J

124

R2

CARBON

FILM

RESISTOR

RD1/4PMF4R7J

125.

C7

POLYESTER

CAPACITOR

CQMXA472J100

126

C8

POLYESTER

CAPACITOR

CQMXA472J100

127.

C9

POLYESTER

CAPACITOR

CQMXA472J100

128

C10

POLYESTER

CAPACITOR

CQMXA472J100

129

Ji

3P

WIRE

250

ADX2150

130

=J2

3P

WIRE

250

ADX2150

131

Y27

LEAD

WIRE

ADX2166

132.

SHEET

AEE1014

133.

HOLDER

AMR1178

134

INSTRUCTION

MANUAL

ARE7053

(English/German/French/Italian/

Swedish/Dutch/Spanish/Portuguese)

135

SIDEPADR

AHA2042

136

SIDE

PADL

AHA2043

137.

PACKING

CASE

AHD7181

138

PACKING

SHEET

AHG1163

139

WARRANTY

CARD

ARW

—

088

140

REMO-CON

(CU—

A017)

AXD7060

141

BATTERY

(R03,

AAA)

AEX

—021

142.

VINYL

POUCH

AHG

—

027

143.

LITERATURE

BAG

AHG~—117

144

BATTERY

COVOR

AZN7234

|

A-07

Mark

No.

Description

Parts

No.

NSP

145

FUSE

LAVEL

AAX1585

NSP

146

FUSE

LAVEL

AAX1573

NSP

147

FUSE

LAVEL

AAX1582

A-07

1.2

PACKING

(Front

panel

section)

/

NOTE

:

Screws

adjacent

to

W

mark

on

are

used

for

disassembly.

A-07

ec

9

5

3

c

@

a

—

G

®

c

(Heat

sink

section)

)¥

mark

on

product

sembly.

A-07

2.

SCHEMATIC

AND

PCB

CONNECTION

DIAGRAMS

2.1

OVERALL

WIRING

DIAGRAM,

MOTHER,

DIODE

L,

DIODE

R,

AC,

SUB

TRANS

1,

SUB

TRANS

2,

EYE,

INPUT

L,

INPUT

R,

GAIN

SEL,

LED,

POWER

SW,

MO

Rifle

Mitte

co

AWZ5958

Ae

Sets

3c

[INPUT

L

ASSY

7h

rh

=

358

asetede

.

2:

=

;

ss

s1301

|

met

a

Teaat

=

Hepa

i

7

279

235

338

S32

Laan

asea7s

fies

i

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ASSY

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26!

ha

Red

Sh

al

Tada

im

(-]

to}

oe?

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ceasons

aH

|

c22Seass

treed

BI

.

fh

=

x

sole

=

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3

8425

,

=

2.

asavese

6

[cee

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=

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10.08

z

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avsos

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ye

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—

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asarose

ey

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arges

=

nantes

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PB

10.08

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east

:

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a

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=

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10.08

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R

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INPUT

L

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INPUT

R

ASSY,

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SEL

ASSY,

LED

ASSY,

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a,

Ped

\

235

fd

Nee

FU

Ste

23A970-T

anes

tN

A0176S0

ry

t)

©

baneod

tnt

@)

pravogs-a-1

sis

Hest

5

io

sis

Are

ats7o7

134

4017050

cs

AWZS

764

DIODE

R

ASSY

©)

AA

ba

acsistea

capasiten

pa

F

MOW-Frameble

Type

Fe:

MON-Fremebie

Quick

Open

Type

3

MSS104-02-17

antso2s

O16a04-

180-2668

Dez

acLI

ite

a

O18A05-150-205)

Ch:

CECA

Tepe

CHA

t

CHA

Type

e

:

COPA

Troe

TY:

CHITA

Free

YA:

CEYA

Type

SK:

CQSXA

Type

NOTE

FOR

SCHEMATIC

DIAGRAMS

,

(Type

1,4)

.

When

ordering

service

parts,

be

sure

to

refer to

“PARTS

LIST

of

EXPLODED

VIEWS”

or

“PCB

PARTS

LIST”.

.

Since these

are

basic

circuits,

some

parts

of

them

or

the

values

of

some

components

may

be

changed

for

improve-

ment.

.

RESISTORS:

Unit:

k:kQ,

M:MQ,

or

Q

unless

otherwise

noted.

Rated

power:

1/4W,

1/6W, 1/8W,

1/10W

unless

otherwise

noted.

Tolerance:

(F):

+1%,

(G):

+2%,

(K):

10%,

(M):

+20%

or

+5%

un-

less

otherwise

noted.

.

CAPACITORS:

Unit:

p:pF

or

uF

unless

otherwise

noted.

Ratings:

capacitor

(uF)/

voltage

(V)

uniess

otherwise

noted.

Rated

voitage:

50V

except

for

electrolytic

capacitors.

.

COILS:

Unit:

m:mH

or

pH

unless

otherwise

noted.

.

VOLTAGE

AND

CURRENT:

:

Signal

voltage

at

rated

output.

TJ

or

-v:

DC

voltage

(V)

at

no

input

signai

unless

otherwise

noted.

Value

in{

_)

is

DC

voltage

at

rated

power.

©

mA

or

>

mA:

DC

current

at

no

input

signal

unless

otherwise

noted.

AONa166-

O

AOR2IS3-

ne

O

AOL2165-

TUt)

apE2iGe-

=

HE

IE

wear

ae

1

|

O

ABAZIEI-

SP

Teareinal

AKE7009

Leb

AKETOI0

nen

chines

zh,

AKETOOD

a2

tris

9

7.

OTHERS:

¢@

or

@

:

Adjusting

point.

.

:

Measurement

point.

*

The

&

mark

found

on

some

component

parts

indicates

the

im-

portance

of

the

safety

factor

of

the

parts.

Therefore,

when

re-

placing,

be

sure

to

use

parts

of

identical

designation.

8.

SCH—O

ON

THE

SCHEMATIC

DIAGRAM:

*

SCH—Q

indicates

the

drawing

number

of

the

schematic

dia-

gram.

(SCH

stands

for

schematic

diagram.)

Zz

9.

SWITCHES

(Underline

indicates

switch

position):

GAIN

SEL

ASSY

$601

:

GAIN

SELECTOR

POWER

SW

ASSY

$902

:

POWER

STANDBY/ON

OFF

MOTOR

FUNCTION

ASSY

$971

:

INPUT

SELECTOR

REC

SEL

ASSY

$981

:

REC

OUT

OVERALL,

MOTHER

ASSY,

DIODE

L

ASSY,

DIODE

R

ASSY,

AC

ASSY,

SUB

TRANS

1

ASSY,

SUB

TRANS

2

ASSY,

EYE

ASSY,

INPUT

L

ASSY,

INPUT

R

ASSY,

GAIN

SEL

ASSY,

LED

ASSY,

POWER

SW

ASSY,

SCH-1

MOTOR

VOL

ASSY,

MOTOR

FUCTION

ASSY,

REC

SEL

ASSY

8

|

A

INPUT

L

ASSY

MOTHER

ASSY

c3)—

hie

5

ane

6)

C2

|

HILH2.H3)-

C4;

>a

H3)—

“Y3A

LINIYID

YO3NIT

39NUY

|30IA

TO

M-CON

ASS'Y

cn

O02

is)

VR102

VR106

VR105_VR101

Qi

Q191

Q193

Q133

Q195 Q229

Q197

{C181

Q225

Q221

Q222

Q226

10182

Qi14

Q230

Q196

Q134

Q194

Q192

a2

|

Qs

Q183

Q189

Q129

Q137

Q227

Q113

Q223

Q224

Q1i06

Q228

Q138

Q130

Q188

Q184

Q6

:

Q7

Q185

Q187

Q131

Q121

Qiog

Q105

1C221

1c222

Qai0s8

Q19s8

Qi22

Q132

Q@190

Q186

Qs

Q3

Q181

Q103

Q135

2123

Q117

Q107

;

Qai20

Q110

Q124

Q136 Q104

Q182

Q4

Q143

Q139°

Q115)

«atI9

ai12

Q118

Q140

Q144

1€101

Q111 Q141

ai42

Qlié

106102

Qio1

ai02

PA

NS

OI

ee

aE

UR

|

7

|

_

8

i

9g

|

10

;

1

[

12

:

A-07

DIODE

L

ASSY

©)

SPEAKER

(L)

SPEAKER

(R)

MOTOR

FUNCTION

ASSY[®

TO

M-CON

ASSY

J12

x

J2

KM2@@SA1

5

oy

oro

SCORCH

@te

<UL

:

a>

eo

=

WEL

%

DS

ra

a

=

la

re

:

a)

@®

Me

:

i

On

F

6

Sc

:

|

;

Ss

a

= “

3

o

dg

“SNOYL

WOYS

AWZ

Lowey

Y

H-TIR

R

POWER

—_

TRANSFORMER

©

ba

oA)

CMK=P3X

eg

ou

C3

10631

T

oA

CMK-P3X

ae

«x00

FROM

TRANS.

REC

SEL

ASSY

MOTOR

VOL

ASSY

vss

axTiaae

:

0°53"

O

g

8

'

REC

SEL.

ASSY

AWZS899._

DIODE

R

ASSY

H3

V

XSd-yWD

He

GAIN

SEL

ASSY

POWER

SW

ASSY

SUB

TRANS

2

ASSY

GAIN

a

ae

5

RHO7

/

JX

731/420-0

pir]

pao

taree

ese

NOTE

FOR

PCB

DIAGRAMS:

eeeSe

gees,

“sees

;

Le

=.

P

1.

Part

numbers

in

PCB

diagrams

match

those

in

the

schematic

AW7Laro8QRB

TH

oF

Qa’

4

te

ets

diagrams.

i

one

a

«O°

2.

A

comparison

between

the

main

parts

of

PCB

and

schematic

0

diagrams

is

shown

below.

x

be)

=

a

Symbol

in

PCB}

Symbol

in

Schematic

:

5

2

Sues

3

a6o1

z

2

ied

‘©

x

72504

=]

io)

is

9

-

EO

o

x

ve

:

Pa

0

bs

Transistor

ig

a

S

M-CON

oe

a

:

5

ifs”

a

oy

>

g

te

z

5

B i

3°

By

TO

M-CON

ASSY

J17

oS

a

:

ee

M—CON

aso1

ago2

ago3

w

awe

gg

ASSY

¥

a8

CN1002

2

&

a:

a2

O!

oe

_

06

s20|

B.

as

LED

ASSY

esl:

|

a

Capacitor

ae

:

a4

4

Tee

ake’

S

:

;

(Polarized)

o<

yy

Fi

L

oak

“9

oo.8,

:

PO

oo.

"Pi

ES

ope

Shop

oh

;

Mog

gf

Seoes

2

3.

The

transistor

terminal

marked

with

E

or

shows

the

emitter.

at

Es]

flee

ee

4.

The

diode

terminal

marked

with®

orC>shows

cathode

side

See

°

5.

The

capacitor

terminal

marked

with

©

orC

shows

negative

Z

zo

1C651

Q651

terminal.

6.The

parts

mounted

on

each

PCB

include

all

Q931

Q932

a933

0934

necessary

parts

for

several

destinations.

For

further

information

for

respective

destinations,

be

sure

to

check

with

the

schematic

diagram.

®

This

diagram

is

viewed

from

the

mounted

parts

side.

14

40

11

1

Pd

N

wean

o

’

=e

©

a

=

I

Pioneer A-07 User manual

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