Pioneer MA-9 User manual

®)

PIONEER

The

future

of

sound

and

vision.

ervice

c/Manual

fee

aah

ARP2073

MIC

MIXER

VIA-

@

This

manual

is

applicable

to

the

SD

type.

CONTENTS

1.

EXPLODED

VIEW,

PACKING

AND

PARTS

L1G

Teveceescecseeeeenreesens

sbsasesivededaceacecasesisbueevereeveyesss

2

2.

IC

DESCRIPTIONS

rrrrsrsssssesssesessesetsetereresseseesess

5

3.

SCHEMATIC

DIAGRAM

crresrreeeecesseerereseresesseeens

7

4.

P.C.

BOARDS

CONNECTION

DIAGRAM:

11

5.

BLOCK

DIAGRAMerrrss

padsbapethcoeawaieaesedevess

19

6.

P.C.B’s

PARTS

LiSTerrccsscsrceesseesesseeeeessasenes

24

7.

PANEL

FACILITIES

sesseescesscesscesseesesereeseerseesees

24

8B.

SPECIFICATIONS

crsceesseeseseeseeorreessesernesesereses

26

PIONEER

ELECTRONIC

CORPORATION

=

4-1,

Meguro

1-Chome,

Meguro-ku,

Tokyo

153,

Japan

PIONEER

ELECTRONICS

SERVICE

INC.

P.O.

Box

1760,

Long

Beach,

California

90801

U.S.A.

PIONEER

ELECTRONICS

OF

CANADA,

INC.

505

Cochrane

Drive,

Markham,

Ontario

L3R

8E3

Canada

PIONEER

ELECTRONIC

[EUROPE]

N.V.

Keetberglaan

1,

2740

Beveren,

Belgium

PIONEER

ELECTRONICS

AUSTRALIA

PTY.

LTD.

178-184

Boundary

Road,

Braeside,

Victoria

3195,

Australia

TEL:

[03]

580-9911

ee

howe:

ae.

1.

EXPLODED

VIEW,

PACKING

AND

PARTS

LIST

NOTES

:

¢

Parts

without

part

number

cannot

be

supplied.

*

The

A,

mark

found

on

some

component

parts

indicates

the

impotance

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

bé

unavailable.

Mark

No.

Part

No.

Description

Mark

No.

Part

No.

Description

A

1

CM-—22B

Strain’

relief

101

MAIN

unit

AN

2

PDG1013

AC

power

cord

102

MCAB

unit

A

3

REK-—076

FU101,

FU102

103

MCJB

unit

400mA

Fuse

104

SWLB

unit

4

RBH1144

Spring

105

CNB1

unit

A

5

RTT1140

Power

transformer

106

eerevereie

6

VXA1289

Insulator

assembly

;

107

Chassis

A

7

PSB1002

Voltage

selector

108

P.C.B

holder

8

PACi372

Power

button

109

Power

joint

9

RAC1523

Key

control

button

110

Rear

panel

A

10

AKP-~507

.

AC

socket

111

succes

11

AAB1063

Rotary

knob

112

Connection

cord

assembly

12

PYY1050

Bonnet

113

Front

panel

13

RXA1354

Push

knob

assembly

114

Name

plate

14.

tte

ens

115

P.C.B

base

15

RRB1071

Operating

instructions

116

Angle

16

RRG1002

Operation

guide

:

17

RHA1052

Pad

(F)

18

RHC-154.

Packing

sheet

19

RHG1207

Packing

case

20

fe

aie

21

RDE-O10

Connection

cord

22

RXX1306

Front

panel

assembly

—S

23

RAH1711

Display

panel

24

BBZ30PO60FMC

Screw

nN

oi

BBZ40PO80FZK

Screw

IBZ30P100FMC

Screw

BBZ26PO80FMC

Screw

BBZ30PO80FZK

Screw

RHA1053

Pad

(R)

RNK1377

REC

lens

WNNNN

oOoOON

®

In

this

IC101

(

IC109

(

1109

(:

17

Correlat:

«

.

IC109

(¢

10112

(1

These

washer

and

nut

are

supplied

with

VR501

to

VR505

of

MCAB

unit.

*1:

21

2.

IC

DESCRIPTIONS.

In

this

section,

ICs

truth

tables

are

described.

16101

(NJU4052BD)

-

Front

switch

Stereo

one-

MPX/stereo

touch

karaoke

IC109

(1.43),

(2/3)

IC110

(1.73),

(273)

10109

(3,73),

10110

(3/3)

(NJU4053BD)

[Pin

[10

wich

sowed]

Made

L

2

side

|

Key

controller

ON

(#

or

b)

Logic

Lt

|

1

side

|

Key

controller

OFF

(4)

L

|Pins

2,

5

side|Power

OFF

(through)

Logic

|

Pins

1,

3

side|Power

ON

(various

operations)

10114

(NJU4053BD)

L

1|Pins

2,

12

side|

TAPE

REC

ON

Logic

os

are

Ping

1,

13

side}

TAPE

REC

OFF

IG504

(1/3)

(NJU4053BD)

[o

[Bench

see|

ee

Voice

enhancer

switch

OFF

Logic

3

side

Voice

enhancer

switch

ON

I¢504

(3/73)

=

12

side

|

Vocal

partner

switch

OFF

Ogic

13

side

|

Vocal

partner

switch

ON

IC601

(SN74LS145N)

:

BCD—TO—DECIMAL

DECODER//DRIVER

Truth

table

ay

Pint2

|

Pin13

Pint5

|

Pint

Pind

|

a

3

XN

<

fo)

<

o

Decimal

|

BEB

Oo

=

=|

58

Loe)

Uv

x|

sl

5

oO

2

pe}

3

=

~<

oO

x

x]

x

<

wo

<

»

|

fal

|

pe

aes

es

De!

Oa

ee Oe

pu

gy

ea

fee

ee a)

Pe

a

Or

od

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4

PECEEE

PRY

E

af

E

eee

|

EEE

ER

Ea

Be

elle

E

G

A

Flee

ps

ia

(se

4

Oo

=|

|

=

|=

|

=|

=

_

w

=

—

_

a

N

=|

|

~

ol

Logic

diagram

Output

mi

__

tt

[ies

|

ia

|

an

ee

Be

*

:

Open

collector

Se

emma

cen

etter

mera

|

*4v>—-—_

Ve

MCJB

UNIT

icaor:

patse1g.

1€

401,402:

MIC

AMP

3,

r)

CNB

1

UNIT

MCAB

UNIT

——~

+6y

>

IC501

=

BAISZ18N

16504(2/3)

Ic502

:

BatsoieN

VOICE

ENHANCER

UMAKA

ON/OFF

sw

IC5O1:

BAISZ16N

*

ic

111

Icn2

BUFFER

AMP

ICN3

:

BAIS218

Qm.n2

BAIS218

NJU405380

———X

+6V

>

1€104(2/2),1C105(2/2)

:

HPF

404

y

aun

cis8

46)

~

o

0.086

Ics504

100p

i

2

e

cia

R179

$

RANG

“Raat

<>

100

o9Me-ST

BOP-MQ

_BSP-MO

Rees

VASEASOS

nae

NaUsO8380

Riss

de

|

Bes

hes

3

560

|

Rao?

“as

|

:

MC

LEVEL

—

lente

yr

89,

Q

is

413

100k.

l

yer

9

2

)

es

"

BP

R404

2846

fol

R18)

|

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|

toe

Gee

Jes

a

aa

eT

#8

c4ot

Cage

cato

|

0.022

o o 5

7,

2200p

1000p

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ole.

|

[ol

aia

i

ng

:

PS

=

9

3

Rai?

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- 5

RITO

"

1

ed

[

4

al

le

_|

bens

cie1

ss

0

°

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le]

10750

(ets

|

aa

21,]

lolz

|

-

-6v>

oq

:

le

1750

iol

lott

to

MIC3 ECHO

Se

vases

dcsso

mig

mies

T

sa

ON/OFE_S

ECHO

LEVEL

00)

22

cis9.

Toate

N

Ww

UMAKA

ON/OFF

_

?

100p

bared

can

|

0.022

Sor

WARI

ix

foe

1000p

|

.

KOMI

VOCAL

ON/OFF

:

os

[|

1C504

:

NeaDsst

iexa

I

ICL

mM

C

MIXING

ee

RINE

MUTE

fist

sy,

MIC

AMP

61

—X

+6V

——~<

+6V

>—

Lae

>

5

Sw

p<

TAPE

PLAY/REG>

oe

1750

oka

IC504

:

NUU4053BD

=.

a

[$3]

OA

3

:

2

hea

7

Vso

y

525

4|

XDCI24ES

C512

BALANCE

©

DEEZ

=

ameoiin

ECHO

ON/OFF

>———

eo

esas

ago

oc

AMP

100/10

(6)

MIOONO

~

Vaso

=

Pasa

eel

i

OB

28h

S|

or

Pal

|

seo,

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<>

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:

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=

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4

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2

528

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ark

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100/10

cere

47/63

Q50

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7h

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0.022

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+

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(C402

:

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|

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oor

———X

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sf]

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.

CONT

SW

(a

Q503

BAIS218N

BAIS2Z18N

[C503

:

BAIS216N

£529

4)

0.01)

waricomt

-—

af

ae

WARIKOM!

ON/OFF

:

f)xbcizaes

<

ECHO

ON/OFF

>

~

—<

ECHO

ON/OFF)

:

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o

3

<

ECHO

ON/OFF

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a

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ues:

Q501:

WARIKOMI

SW

Umea

onvorF—2

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Lo}

2H

—CUMAKA

ON/OFF

Aho

MIC

CONTROL

cgay

<

MODE?

=

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<

MODE

1Y

i

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1

>

C425

C42)

ON/OFF

SW

€

MODE2

>

<

MODE

2:

10}

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|

<

MODE

2:

0.047

TF

001

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MAIN

UNIT

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PLAY/REC

>

————+

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PLAY

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>

4

TAPE

PLAY/REC

—

4

C

—<

Reh

>~@

<

Roh

>

a

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&

-

~

Loh

>

IG107

«272)

1C107

°VCA

CONTROL

¢197

«1/2

wsuae392

|

BAIS218N

BAI5218N

as

BD

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H

ee

——(

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eV

>

BV

>

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~<

Reh

rab

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te

.

+

:

mes

S26

|

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16109(3/3),

16110(3/3)

Q110

.

NORMAL

CONTROL

<

£040

OUT

oot

(4%

|

pet

"5k

KEY

CONTROL

ON/OFF

SW

nas

say

ccc

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|

o_

a

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pam

voice

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ed

|

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Pb],

felt

i

|!

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2

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ona

4]

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3

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VR

(74

NTU

;

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TAPE

PLAY/REC

>

C139 Ri62

cia

cso

1ss254

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VR

Nuu40538D

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NTU

0.022

22k

+

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10/50}

|

10/50

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1

Day

t

~*

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cane

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un

is

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voice

cate

INPUT

SELECTOR

BUFFER,

Aue

VOICE

CUT

ON/OFF

—

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cate

[ IC

106

IC

109

:

bios

NJU4052BD

BAIS218

NJU40538D

ae

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118:

LPF

tal

_

a

—

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——___

D/A

CONVTER

a

ICN?

:

BAIS218

ICn8

:

BAIS218

ICN9

:

NJU4OS3BD

C20

=

BAISZI8—_IClI9

:

NJUO5380

(S9]

ic

122

:

PCMS4HP

cr7g

L103

0.022

ies)

LR

SELECT

295,

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9

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—

|

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2

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R197

RI99

|

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R200

|

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;

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22k

=

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:

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16106(172)

1C120:

BUFFER

AMP

I1C108:VCA

1€109(2/3)

DIOI~

104

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SOS

SED.

MESIES

wt

10110(2/3)

ne

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tat?

188256

usec

1€104(1/2),1C105(1/2)

|

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;

%

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+

4]

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oF

Gas

VOICE

CUT

ON/OFF

SW

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BT

P,

:

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2

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|

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10k

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bag

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12

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2SC2058S

NJM360D

4700p 4700p

|

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105

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:

be

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i i

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:

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ata

:

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r

Fi

BCD-TO-DECIMAL

DECOI

SWLB

UNIT

Indicated

in

2,

1/4W, 1/6W,

1/8W,

5%!

tolerance

unless

ere

Pa

GV

recy

1c601

otherwise

noted

k;k2,M:MQ,

(F);+1%,

(G);

42%,

(K);£10%,

om

"

é6)

470

@

@b

@>

snvacsiasn

82@d

Qe

Oe

GF

@F

(M)

;

£20%

tolerance.

6306

16/80

ora

bie

REC

OUT

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pen

cost

»

bia

ono

|

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o6te|*"

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©,

16780

H

10

0607~

610:

SLR-320VC3F

2.

hia

ACITORS:.

:

m

|

oie,

Lrg

st

Dét2~0615

:SLR-320VESF

toeated

in

capacity

(uF)

/voltage

(V)

unless

otherwise

noted

we

fs

A

e

miss

100

Indication

without

voltage

is

50V

except

electrolytic

capacitor.

100k

|

*e~4

3.

VOLTAGE

CURRENT

:

RIT4

Re

RI84

100

A

TOOK

one

i

OC

voltage

(V)

at

play

state.

Lowy

|

(L);

The

voitage

when

MPX

BALANCE

control

is

turned

fully

72

|

ce

:

|.

|e

Q601:

ONTA/STEREO

ONETOUCH

KARAOKE

counterclockwise.

2k

|

10/50

7

$

e

O)j

rz

R>:

Thi

i

it

S307

i

~

LINE

OUT

R

(©)

2601

2a

Misa

Wancona.

“OMe

ae

Tine.

(R)

@

voltage

when

MPX

BALANCE

contol

is

turned

fully

C169

R80

cri

R185

100

e316

|

C305,

KDC

I2Z4ES

VOCAL,

onerous

TEREO

PLAY/REC

.

counterclockwise.

a

[6

|

10/50

1k

10/50

d

oot

|

0.047;

iL:

ay

S601~606

:

RSG1032

mA;

DC

“currant

at

play

state.

“4

‘i

R606

LREOT

R08.

R6OS

R610

$607~609:

RSGIO10

Value

in€

)

is

BC

ae

er

&

pee 601

$22"

5602

22k

5693

22k

gg0qs22k

se0se

47k

eos

s

22k

ein

is

current

at

stop

state,

IXING

UNE

MUTE

bid

5 p p

o

P88

OS:

OE

ts

eaeiis

4.

OTHERS:

TAPE

PLAY/REC

Q6ot

b

b b

b

>;

Signal

route.

*

alert?

(Ap

® ®

DGOG

=

SLH-S4YC3SHS

@

;

Adjusting

point.

Fw]

ol wy

ci)

peos

peod

60s

D606

O61

=

SLR-320Y3F

The

A*mark

found

on

some

component

parts

indicates

the

importance

of

the

safety

factor

of

the

part.

Therefore,

when

R601

Reor

pone)

fat

replacing,

be

sure

to

use

parts

of

identical

designation.

+

a

%€

marked

capacitors

and

resistors

have

parts

numbers,

601

i

1¢-

This

is

the

basic

schematic

diagram,

but

the

actual

circuit

may

vary

due

to

improvements

in

design,

5.

SWITCHES

(Underline

indicates

switch

position)

SWLB

unit

$601:

ECHO

ON/OFF

IN/OFF

$602:

UMAKA

ON/OFF

a]

$603:

WARIKOMI

VOCAL

ON/OFF

+

$604:

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1-

P.C.B.

pattern

diagram

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part

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Transistor

Ceramic

capacitor

Mylar

capacitor

Styrol

capacitor

a

0

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O

Electrolytic

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Electrolytic

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Sa

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Se]

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parts

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board

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above

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transistor

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Pioneer MA-9 User manual

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