Pioneer Sa-1520 User manual

Q)

PIONEER’

The

future

of

sound

and

vision.

Service

AL

ETIIEN

STEREO

AMPLIFIER

SA=1520

SA=1520S

SA-1520

AND

SA-1520S

HAVE

FOLLOWING

VERSIONS.

ORDER

NO.

ARP2022

Applicable

model

Power

requirement

Destination

SA-1520

SA-1520S

AC120V

onty

U.S.A.

and

Canada

AC110V,

120V-127V,

220V,

240V

Kingdom

of

Saudi

Arabia

and

general

(switchable)

market

e

This

manual

is

applicable

to

the

KUC

type.

e

As

to

the

other

types,

refer

to

applicable

service

manuals.

1.

SAFETY

INFORMATION

................

2.

6,

REMOTE

CONTROL

UNIT

2.

EXPLODED

VIEWS,

PACKING

AND

SEOV

Se

PAG

SOSI

Seats

eoes

ae

eee

oe

hak

died

ae

PARTS

LIST

uly

asasrueaneess

oexguey

3

6.1

EXPLODED

VIEWS

AND

PARTS

LIST

...

23

3.

SCHEMATIC

DIAGRAM

.................

7

6.2

ELECTRICAL

PARTS

LIST............

24

4.

P.C.

BOARDS

CONNECTION

DIAGRAM

.....

1

6.3

SCHEMATIC

DIAGRAM

...........

---

25

5.

P.C.B’s

PARTS

LIST

.................005

19

6.4

P.C.

BOARD

PATTERN

...........---

27

TOPANEL

FACILITIES

gas

acecisyyt

chosotnd

29

SUSPECIFICATIONS

.h.n's

da

<a

2oeu

dsia.a

any

wipers

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

©

PIONEER

ELECTRONIC

CORPORATION

1990

MA

APR.

1990)

Prired

i

SA-1520,

SA-1520S

This

service

manual

is

intended

for

qualified

service

technicians;

it

is

not

meant

for

the

casual

do-it-yourselfer.

Qualified

technicians

have

the

neces-

sary

test

equipment

and

tools,

and

have

been

trained

to

properly

and

safely

repair

complex

products

such

as

those

covered

by

this

manual.

Improperly

performed

repairs

can

adversely

affect

the

safety

and

reliability

of

the

product

and

may

void

the

warranty.

If

you

are

not

qualified

to

perform

the

repair

of

this

product

properly

and

safely,

you

should

not

risk

trying

to

do

so

and

refer

the

repair

to

a

qualified

service

technician.

WARNING

Lead

in

solder

used

in

this

product

is

listed

by

the

California

Health

and

Welfare

agency

as

a

known

reproductive

toxicant

which

may

cause

birth

defects

or

other

reproductive

harm

(California

Health

&

Safety

Code,

Section

25249.5).

When

servicing

or

handling

circuit

boards

and

other

components

which

contain

lead

in in

solder,

avoid

unprotected

skin

contact

with

the

solder.

Also,

when

soldering

do

not

inhale

any

smoke

or

fumes

produced.

1.

SAFETY

INFORMATION

(FOR

USA

MODEL

ONLY)

1.

SAFETY

PRECAUTIONS

The

following

check

should

be

performed

for

the

continued

protection

of

the

customer

and

service

technician.

LEAKAGE

CURRENT

CHECK

Measure

leakage

current

to

a

known

earth

ground

(water

pipe,

conduit,

etc.)

by

connecting

a

leakage

Current

tester

such

as

Simpson

Model

229-2

or

equivalent

between

the

earth

ground

and

all

exposed

metal

parts

of

the

appliance

(input/output

terminals,

screwheads,

metal

overlays,

control

shaft,

etc.).

Plug

the

AC

line

cord

of

the

appliance

directly

into

a

120V

AC

60Hz

outlet

and

turn

the

AC

power

switch

on.

Any

Current

measured

must

not

exceed

0.5mA.

a

Reading

should

Leakage

|

N0t

be

above

current

|

0-5mA

Test

all

exposed

metal

surfaces

2-wire

cord

Also

test

with

plug

reversed

+

Earth

(Using

AC

adapter

ground

plug

as

required)

AC

Leakage

Test

ANY

MEASUREMENTS

NOT

WITHIN

THE

LIMITS

OUTLINED

ABOVE

ARE

INDICATIVE

OF

A

PO-

TENTIAL

SHOCK

HAZARD

AND

MUST

BE

COR-

RECTED

BEFORE

RETURNING

THE

APPLIANCE

TO

THE

CUSTOMER.

2.PRODUCT

SAFETY

NOTICE

Many

electrical

and

mechanical

parts

in

the

appli-

ance

have

special

safety

These

are

often

not

evident

from

visual

inspection

nor

the

protection

afforded

by

them

necessarily

can

be

ob-

tained

by

using

replacement

components

rated

for

vol-

tage,

wattage,

etc.

Replacement

parts

which

have

these

special

safety

characteristics

are

identified

in

this

Service

Manual.

Electrical

components

having

such

features

are

identified

by

marking

with

a

A

on

the

schematics

and

on

the

parts

list

in

this

Service

Manual.

The

use

of

a

Substitute

replacement

component

which

dose

not

have

the

same

safety

characteristics

as

the

PIONEER

recommended

replacement

one,

shown

in

the

parts

list

in

this

Service

Manual,

may

create

shock,

fire,

or

other

hazards.

Product

Safety

is

continuously

under

review

and

new

instructions

are

issued

from

time

to

time.

For

the

latest

information,

always

consult

the

current

PIONEER

Service

Manual.

A

subscription

to,

or

ad-

ditional

copies

of,

PIONEER

Service

Manual

may

be

obtained

at

a

nominal

charge

from

PIONEER.

ae

2.

EXPLODED

VIEW,

PACKING

AND

PARTS

LIST

NOTES:

e

Parts

without

part

number

cannot

be

supplied.

@

The

f,

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.

A

e

Parts

marked

by

“

©

”

are

not

always

kept

in

stock.

Their

delivery

time

may

be

:

longer

than

usual

or

they

may

be

unavailable.

Parts

List

Mark

No.

Part

No.

Description

Mark

No.

Part

No.

Description

A

Seanaee

Tanto

ee

fe

a

A

3

2SC3281

Transistor

(Q1)

a

Batt

ee

MAE

RODE

A

4

28C3281

Transistor

(Q2)

oe

so

epue

aad

A

:

45

IC

assy

5

ACG1003

Capacitor

(C1.0,01/AC125V)

46

Connector

assy

A

6

ATS1267

Power

transformer

47

AW2Z2805

input

assy

A

7

AKP-515

AC

socket

3-P

48

SP

SW

assy

A

8

AEK-122

Fuse

(2A)

(FU3)

49

AWz2947

AF

assy

A

9

AEK-122

Fuse

(2A)

(FU4)

BOe

gedit

tales

hd

che

Se)

ian

A

10

AEK-309

Fuse

(6.

3A)

(FU1)

51

AWZ2807

Control

assy

B

A

11

_BDG1012

AC

power

cord

52

AWZ2808

VOL

assy

12

AEC-510

Nyton

rivet

53

LED

assy

13

AEC-784

Leg

assembly

54

Remote

assy

14

AEE1014

Sheet

55

VSP

SW

assy

15

ABA-115

Screw

56

Terminal!

screw

16

ABA-258

Screw

57

Plug

17

ABA1011

Screw

58

Chassis

‘nmin

18

ABA1053

Screw

59

Rear

panel

19

BBT30PO80FMC

Screw

60

Bottom

plate

20

BBT30PO80FZK

Screw

61

Heat

sink

21

BBZ26PO80FMC

Screw

62

PCB

holder

22

BBZ30PO60FZK

Screw

63

Transformer

frame

23

BBZ30PO80FZK

Screw

64

Heat

sink

holder

24

NK9SOFUC

Nut

65

Heat

sink

holder

25

AMB1624

Front

panel

assy

66

Nylon

binder

C

26

AAK1443

Lens

67

grommet

27

AAK1918

Panel

A

68

PCB

spacer

28

AAK1919

Panel

B

69

Clamper

29

AAK1920

Acrylic

Pane!

70

Jumper

plug

30

AAK1921

Indicator

lens

OUi

ee

cra

ee

nae

thats

des

fe

31

AAB1098

Rotary

knob

(BALANCE)

Te

eet

a

oe

eas

32

AABI142

Rotary

knob

assy

(VOLUME)

73

Name

plate

33.

=

AAD1535

Power

knob

(POWER)

74

Knob

(plastic)

=

34

AAD1609

Button

(muting)

DO

i

PR

Ss

at

aetecBearec

oes’

Pina

atd

35

AAD1762

Knob

(function)

76

Warranty

card

36

AAD1763

Push

knob

(SPEAKERS)

77

Battery

37

ARB1244

Operating

instructions

38

ARD1012

Operating

instructiions

(for

SA-1520

type,

CU-SA007)

ARD1013

Operating

instructions

(for

SA-1520S

type,

CU-AV007)

D

39

AXD1142

Remote

control

unit

(CU-SA007)

40

AHA1239

Pad

41

AHD1849

Packing

case

(for

SA-1520

type)

AHD1850

Packing

case

(for

SA-1520S

type)

on

O

a

10

La

i

q

)

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a

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40

38

7,

R

ay

A

nw

—

SA-1520,

SA-1520S

|

€

3

4

5 6

;

3.

SCHEMATIC

DIAGRAM

INPUT

ASS'Y

(AWZ2805)

CONTROL

ASS'Y

(AWZ2807)

:

Q603,

604

:

BUFFER

AMP.

1C601:

AMP

CONTROL

Q602

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POWER

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RESET

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RESISTORS:

Indicated

in

2,

1/8W

&

1/4W,

+5%

tolerance

unless

otherwise

noted

k;

kQ,

M;

MQ,

(F);

+1%,

(G);

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(K);

£10%,

(M);

+20%

tolerance

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CAPACITORS:

Indicated

in

capacity

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(V)

unless

otherwise

noted

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pF.

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without

voltage

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50V

except

electrolytic

capacitor.

3.

VOLTAGE,

CURRENT:

):

DC

voltage

(V)

at

no

input

signal

Value

in

(

)

is

DC

voltage

at

rated

power.

mA;

DC

current

at

no

input

signal

4.

OTHERS:

>

;

Signal

route.

@

:

Adjusting

point.

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.

*

marked

capacitors

and

resistors

have

parts

numbers,

The

underlined

indicates

the

switch

position.

This

is

the

basic

schematic

diagram,

but

the

actual

circuit

may

vary

due

to

improvements

in

design.

5,

SWITCHES:

$201:

$601:

TAPE

$602:

STANDBY

ON

$603:

EQUALIZER

ON/OFF

$604:

PHONO

S605:

TUNER

S606:

VIDEO/AUX

$607:

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$608:

CD

$401:

SPEAKERS

A,B

ON/OFF

12

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|

1

|

2

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3

|

4

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BOARDS

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AF

ASS

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OUTPUT

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312

a404

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Q405

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Q502

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NOTE

1.

This

P.C.B

connection

dlagram

Is

viewed

from

the

parts

mounted

side.

A

2.

The

parts

which

have

been

mounted

on

the

board

can

be

replaced

with

those

shown

with

the

corresponding

wiring

symbols

listed

in

the

following

Table.

P.C.B.

pattern

diagram

indication

Corresponding

part

symbol

Transistor

Ic

ASS’'Y

Radiator

type

transistor

a

,

(Awz2808)

ae

css

6

\

Capacitor

\

J

(Polarity)

4

csi8

§

Capacitor

(Non-polarity)

Ret

R+t Rte

Others

FHON

7

AUX

cD

P.C.B.

pattern

diagram

Indication

NECTOR

ASS'Y

le

Ce

Q307

Q303

4301

ri

000

0

ae

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ee

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v

CONTROL

ASS’Y

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VR

Varlable

resistor

or

|

Q213 IC703

Ic705

Q709

Semi-tixed

resistor

Q604

Q2i2

Q707

Q2140702

Q703

1C704

Q71

Q705

Q222

Q201

60102030602

Q205

IC60!

Q207 Q603

Q209

Q2Il

Q606

Q215

Ic701

IC702 IC203

Q704

Q605

Q710

Ic201

Q202

Q204

0708 0206 Q208

Q221_a210

Q223

3.

The

capactor

terminal

marked

with

©

(double

circles)

shows

negatine

tarmland.

4.

The

diode

terminal

marked

with

©

(double

circles)

shows

cathode

side.

5.

The

transistor

terminal

to

which

E

is

affixed

shows

the

emitter.

POWER

IND

ae

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Q219

Q217

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the

foil

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Pioneer SA-1520 User manual

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