Marantz 74 PM52/00B User manual

74

PM52/00s/018/028

/02G/05B/07B

Integrated

amplifier

This

service

manual

explains

them

by

extracting

the

different

specifications

from

those

of

the

model

PM-5O,

based

on

the

model

PM-50.

For

both

electrical

and

mechanical

infor-

mation

on

the

after-sales

service

which

is

not

stated,

all

information

is

described

in

the

mode!

PM-50

service

manual

(Codenumber

4822

725

50885).

The

dispatch

of

the

parts

for

after-sales

service

has

to

be

referred

to

this

service

manual,

with

the

first

priority.

For

this

reason,

please

use

this

service

manual

with

referring

to

the

model

PM-50

service

manual,

without

fail.

7

20

model

PM-52

Fist

issue;1991

4822

725

50944

.

MZ

2892

MARANTZ

DESIGN

AND

SERVICE

Using

superior

design

and

selected

high

grade

components,

MARANTZ

company

has

created

the

ultimate

in

stereo

sound.

Only

original

MARANTZ

parts

can

insure

that

your

MARANTZ

product

will

continue

to

perform

to

the

specifications

for

which

it

is

famous.

Parts

for

your

MARANTZ

equipment

are

generally

available

at

our

National

Marantz

Subsidiary

or

Agent.

ORDERING

PARTS

MARANTZ

EUROPE

B.V.

P.O.

Box

80002

Building

SFF

2

5600

JB

Eindhoven

The

Netherlands

Phone

:

+31-40-732241

Fax

:

+31-40-735578

Parts

can

be

ordered

either

by

mail

or

by

telex.

In

both

cases,

the

correct

part

number

has

to

be

specified.

The

following

information

must

be

supplied

to

eliminate

delays

in

processing

your

order:

1.

Complete

address

2.

Complete

part

numbers

and

quantities

required

3.

Description

of

parts

4.

Model

number

for

which

the

part

is

required

5.

Way

of

shipment

6.

Signature:

any

order

form

or

telex

must

be

signed,

otherwise

such

part

order

will

be

considered

as

null

and

void.

ADDRESSES

AUSTRIA

FRANCE

ITALY

MARANTZ

FRANCE

MARANTZ

ITALIANA

SPA

Hietzinger

Kai

137a

4

Rue

Bernard

Palissy

Piazza

!V

Novembre

3

1130

Wien

92600

Asniéres

20124

Milano

Austria

France

Italy

BELGIUM

GERMANY

JAPAN

MARANTZ

EUROPE

B.V.

MARANTZ

GERMANY

GmbH

MARANTZ

JAPAN

INC.

Div.

Benelux

Alexanderstrasse

1

35-1,

7-chome,

Sagamiono

P.O.Box

80002

2000

Hamburg

Sagamihara-shi,

Kanagawa

Building

SFF

2

Germany

Japan

5600

JB

Eindhoven

The

Netherlands

CHILE

GREAT

BRITAIN

KUWAIT

MARANTZ

DIVISION

OF

MARANTZ

HiFi

UK

Ltd.

AL

ALAMIAH

ELECTRONICS

PHILIPS

S.A.

Kingsbridge

House

P.O.Box

8196

Av.Santa

Maria

0760

Padbury

Oaks

Salmiah

Casilla

2687

575-583

Bath

Road

22052

Kuwait

Santiago Longford

Middlesex

UB7

OEH,

Chile

U.K.

DENMARK

GREECE

NETHERLANDS

MARANTZ

ADAMCO

ELECTR.

SA

MARANTZ

EUROPE

B.V.

Horsvinget

5

P.O.Box

21025

Div.

Benelux

2630

Tastrup

Hippocratus

Str.

188

P.O.Box

80002

Denmark

Athens

11471

Building

SFF

2

Greece

5600

JB

Eindhoven

The

Netherlands

FINLAND

MARANTZ

Kuortanegatan

1

00520

Helsingfors

52

Finland

NORWAY

MARANTZ

Postboks

7034

Assiden

3007

Drammen

Norway

PORTUGAL

COREL

Av.

da

Liberdade

211-2

Esq.

1200

Lisboa

Portugal

SAUDI

ARABIA

AL

ALAMIAH

ELECTRONICS

P.O.Box

5954

University

Street

Riyadh

11432

Saudi

Arabia

SOUTH

AFRICA

MARANTZ

S.A.

10

Bond

Street

Randburg

2194

P.O.

Box

7703

Johannesburg

2000

South

Africa

SPAIN

MARANTZ

SPAIN

Martinez

Villergas

2

Apartado

2065

Madrid

28027

Spain

SWEDEN

MARANTZ

Box

1324

17125

Solna

Sweden

SWITZERLAND

MARANTZ

SWITZERLAND

Postfach

8010

Zurich

Switzerland

TRADING

MARANTZ

TRADING

P.O.Box

20008

Building

SFF

2

5600

JB

Eindhoven

The

Netherlands

All

of

the

above

locations

are

fully

equipped

to

take

care

of

your

total

service

needs

or

can

advice

you.

Because

various

countries

have

differing

configuration

requirements,

it

is

necessary

that

you

contact

the

service

facility

in

your

particular

country.

In

the

event

that

there

is

no

service

location

listed

for

your

country,

please

contact

the

nearest

facility

for

the

necessary

assistance.

In

case

of

difficulties,

do

not

hesitate

to

contact

the

Technical

Department

at

above

mentioned

address.

Different

Parts

between

model

PM-50

and

PM-52

REF.

DESIG.

PM-50

PM-52

DESCRIPTION

001B

4822

425

40173

4822

425

40174

4822

413

41582

4822

736

20422

4822

253

30027

4822

253

30191

4822

264

30266

4822

447

50147

4822

447

50148

4822

413

31582

4822

736

21152

4822

253

30191

4822

070

33152

4822

267

40663

Front

Panel

Assembly

(BLK)

/00B/018/02B/05B/07B

Front

Panel

Assembly

(GLD)

/02G

Knob,

Selector

(GLD)

/02G

User

Manual

Fuse,

T1.6A

250V

/01B

Fuse,

T3.15A

250V

/01B

Jack,

AC

Outlet

/01B

4822

267

31126

4822

267

31119

4822

267

31274

4822

267

31365

Jack,

Headphone

(BLK)

/00B/01B/02B/05B/07B

Jack,

Headphone

(GLD)

/02G

4822

280

20195

4822

121

51008

4822

121

51008

4822

116

60342

4822

116

60342

4822

116

52348

4822

116

52348

4822

116

80648

4822

290

60837

4822

290

60836

4822

116

52976

4822

116

53479

4822

116

52976

4822

116

53479

4822

124

23081

4822

124

23081

4822

130

60525

4822

130

60525

4822

130

60524

4822

130

60524

4822

130

60116

4822

130

60116

4822

130

60109

4822

130

60109

pone

4822

116

81748

4822

116

81748

4822

280

20464

4822

121

51008

4822

121

51008

4822

116

80648

4822

116

60338

4822

116

60447

4822

290

60837

4822

290

60841

4822

290

60836

4822

290

60839

4822

050

21008

4822

050

22209

4822

050

21008

4822

050

22209

4822

124

23762

4822

124

23762

4822

122

30043

4822

122

30043

4822

130

62738

4822

130

62738

4822

130

62737

4822

130

62737

3302

£2%

1/4W,

Fusible

/02B/02G/05B

3302

+2%

1/4W,

Fusible

/02B/02G/05B

Relay

Film

10uF

50V

/00B/01B/05B/07B

Film

10uF

50V

/00B/01B/05B/07B

3302

10uF

3W,

Metal

/00B/01B/07B

1502

10uF

2W

/02B/02G/05B

1802

10uF

1/2W

/02B/02G/05B

Terminal,

Speaker

/O0B/01B/05B/07B

Terminal,

Speaker

/02B/02G

Terminal,

Speaker

/00B/01B/05B/07B

Terminal,

Speaker

/O02B

12

+5%

1/4W

/00B/01B/07B

222

+5%

1/4W

/00B/01B/07B

12

+5%

1/4W

/00B/01B/07B

222

+5%

1/4W

/00B/01B/07B

Elect

Cap.

8200uF

56V

Elect

Cap.

8200uF

56V

Ceramic

0.01uF

+80%

—20%

/02B

Ceramic

0.01uF

+80%

—20%

/02B

Transistor

2SD2276

(P,

Q)

Transistor

2SD2276

(P,

Q)

Transistor

2SB1503

(P,

Q)

Transistor

2SB1503

(P,

Q)

MZ

2893

‘IDLING

CURRENT

ADJUSTMENT

(1)

Before

switching

the

power

ON,

set

the

Master

Volume

control

to

the

minimum

position

and

the

Balance

and

Tone

controls

to

the

center

positions.

Also

set

semi-fixed

resistors

R719

(L

CH)

and

R720

(R

CH)

on

PCB

P701

to

the

center

positions.

(2)

Each

of

the

cement

resistors

R743

(L

CH)

and

R744

(R

CH)

on

the

PCB

P701

is

provided

with

three

test

points.

Connect

a

digital

voltmeter,

set

for

the

DC

voltage

input,

to

the

test

points

at

the

two

extremities

of

the

three

test

points

of

R743

or

R744

(3)

After

the

setup

above,

switch

the

power

ON

and

adjust

semi-fixed

resistor

R719

(L

CH)

or

R720

(R

CH)

on

PCB

P701

according

to

the

digital

voltmeter

reading.

The

target

setting

value

is

8

mV

(

22

mA

)

for

both

the

L

CH

and

R

CH.

Please

refer

to

the

table

below.

Elapsed

time

after

power

ON

Idling

current

setting

value

30

sec.

—

1

min.

7.5

mV

T

min.

— 2

min,

8

mV

2

min.

—

4

min.

8

mV

More

than

4

min.

8mvV

Note

on

Safety:

Symbol

@

Fire

or

electrical

shock

hazard.

Only

original

parts

should

be

used

to

replace

any

part

marked

with

symbol

&,

Any

other

component

substitution

(other

than

original

type),

may

increase

risk

of

fire

or

electrical

shock

hazard,

MZ

2894

8)

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MARANTZ

DESIGN

AND

SERVICE

Using

superior

design

and

selected

high

grade

components,

MARANTZ

company

has

created

the

ultimate

in

stereo

sound.

Only

original

MARANTZ

parts

can

insure

that

your

MARANTZ

product

will

continue

to

perform

to

the

specifications

for

which

it

is

famous.

..

Parts

for

your

MARANTZ

equipment

are

generally

MARANTZ

INTERNATIONAL

Vestdijk

9

5600

MD_

Eindhoven

The

Netherlands

Phone:

+31/40.758290

available

to

our

National

Marantz

Subsidiary

or

Agent.

ORDERING

PARTS:

Parts

can

be

ordered

either

by

mail

or

by

telex.

In

both

cases,

correct

part

number

has

to

be

specified.

The

following

information

must

be

supplied

to

eliminate

delays

in

processing

your

order:

DIVISION

OF

PHILIPS

S.A.

AV.

Santa

Maria,

0760

Casilla

2687

Santiago

Telex:

240.239

DENMARK

MARANTZ

-

DIVISION

OF

PHILIPS

SERVICE

A/S

Prags

Boulevard

80

Postbox

1919

-

DK-2300

Kebenhavn

S

Denmark

Telex:

31201

Max-Planck-Strasse

22

6072

Dreieich

1

Germany

Telex:

529821

THE

NETHERLANDS

Elpro

Marantz

Wint

Hontiaan

28

3526

KV

Utrecht

The

Netherlands

Telex:

4748

NORWAY

MARANTZ

DIVISION

OF

PHILIPS

A/S

Sandstuveien

40

0680

Oslo

6

Norway

Telex:

72640

st

be

signed

GREAT

BRITAIN

MARANTZ

AUDIO

U.K.

Ltd

Unit

15/16

Saxon

Way

industrial

Estate

Moor

Lane

Harmondsworth

UB7

OLW

Great

Britain

Telex:

935196

GREECE

SHERTON

ELECTRONICS

S.A.

P.O.Box

21025

Hippocratus

Street

188

Athens

11471

Greece

Telex:

216.795

1.

Complete

address

2.

Complete

part

numbers

and

quantities

required

3.

Description

of

parts

4.

Model

number

for

which

part

is

required

5.

Way

of

shipment

6.

Signature:

any

order

form

or

telex

mu

otherwise

such

part

order

will

be

considered

as

null

and

void.

PARTS

ORDERING

Parts

may

be

ordered

at

the

following

addresses:

AUSTRIA

FINLAND

HORNYPHON

MARANTZ

Vertriebsgeselischaft

GmbH

DIVISION

OF

OY

PHILIPS

Ab

Wienerbergstrasse

1

Kaivokatu

8

A1101

Wien

00100

Helsinki

Austria

Finland

Telex:

132.332

Telex:

124811

‘BELGIUM

FRANCE

SVD

DIVISILN

MARANTZ

FRANCE

industrialaan

1

4

Rue

Bernard

Palissy

1720

Groot-Bijgaarden

92600

Asniéres

Belgium

France

Telex:

24466

Telex:

611651

CHILE

GERMANY

MARANTZ

GERMANY

GmbH

JAPAN

MARANTZ

JAPAN,

Inc.

35-1,

7-chome,

Sagamiono

Sagamihara-shi,,Kanagawa

Japan

:

KUWAIT

AL

ALAMIAH

ELECTRONICS

Ussama

Building

Fahd

al

Saleem

Street

P.O.Box

23781

Safat-Kuwait

Telex:

22694

ITALY

MARANTZ

ITALIANA

S.P.A.

Via

Chiese,

74

20126

Milano

Italy

Telefax:

+31

/40.75.82.99

SAUD!

ARABIA

AL

ALAMIAH

ELECTRONICS

P.O.Box

5954

University

Street

Riyadh

11432

Saudi

Arabia

Telex:

401530

SOUTH

AFRICA

MARANTZ

DIVISION

OF

PHILIPS

S.A.

Main

Road

Martindaie

P.O.

Box.

58088

Newville

21114

South

Africa

SPAIN

PHONO

S.A.

Ignacio

Iglesias

10

Badalona

(Barcelona)

Spain

Telex:

59355

"

SWEDEN

MARANTZ

DIVISION

OF

PHILIPS

Férsaljning

AB

Tegeluddsvagen

1

S-115

84

Stockholm

Sweden

Telex:

14060

Telex:

35000

PHTC

NL

routing

IND

NLMTFAT

SWITZERLAND

DYNAVOX

ELECTRONICS

Route

de

Villars

105

1701

Fribourg

Switzerland

Telex:

942377

TURKEY

DOGRUOL

Ltd.

1.M.C.

6

Blok

N°6310

Unkapani

Istanbul

Turkey

Telex:

22085

MALTA

CACHIA

&

GALEA

Republic

Street,

68D

Valetta

Telex:

1682

PORTUGAL

MARANTZ

Divisao

philips

S.A.

sirvice

Outurela-carnaxide

2795

LinDA-A-VELHA

Telex:

43906

All

of

the

above

locations

are

fully

equipped

to

take

care

of

your

total

service

needs.

Because

various

countries

have

differing

configuration

requirements,

it

is

necessary

that

you

contact

the

service

facility

in

your

particular

country.

in

the

event

that

there

is

no

service

location

listed

for

your

country,

please,

contact

the

nearest

facility

for

the

necessar

In

case

of

difficulties,

do

not

hesitate

to

contact

the

Technical

Department

at

abovementioned

address.

..

assistance.

MODEL

PM-50

INTEGRATED

AMPLIFIER

WER

WORM

BR

EAL

srzanarce

anemic

ower

TABLE

OF

CONTENTS

Section

Page

1

BLOCK:

DIAG

RAMexs

skeet

das

eh

wea

te

leh

ate

ec

Bie

owe

tea

Se

UA

Peat

Bale

Va

a

4

2.

SCHEMATIC:

DIAGRAM

ois

eee

ook

ees

wake

ba

be

ee

eee

ig

a

ae

i

ied Mae

Rae

Le

Ss

ta

5

3.

PARTS

LOCATIONS

(Pattern

Side)...

......

6

eee

c

eee

eet

ee

nee

e

enn

e

enn

es

8

4.

EXPLODED

VIEW

AND

PARTS

LIST

..

0...

cee

ee

nee

een

ee

eee

teen

ete

12

5.

IDLING

CURRENT

ADJUSTMENT

.......

00...

ccc

eee

eer

ee

eee

nent

e

nee:

14

6.

HOW

TO

CHANGE

THE

SUPPLY

VOLTAGE

(A/N/T/W

Version)

..

0.2.0.0.

cee

eee

ent

nees

14

7.

TEST

EQUIPMENT

REQIRED

FOR

SERVICING

....

0...

cee

te

eet

neee

15

B-

VOLTAGE

‘CONVERSION

veici:6

acess

etc

e

oh

waiclee

Wia

gedidee

A

aipaye

a

hand

RUE

a

Wie

are

ae

aaa

idan

dada

ara

Ee

SE

tg

15

9.

ELECTRICAL

PARTS

LIST

0...

0.00

eee

ene

tee

nee

nen

e

eee

e

eee

16

TECHNICAL

SPECIFICATIONS

(DIN)

Power

Amplifier

Section

IHF

Dynamic

Power

2

ohms

4

ohms

8

ohms

Power

Output

Per

Channel

DIN

4

ohms

1

kHz

1%

THD

RMS

4ohms

=

1

kHz

0.06%

THD

DIN

8

ohms

1

kHz

1%

THD

RMS

8

ohms

=

1

kHz

0.06%

THD

FTC4ohms

20-20

kHz

0.06%

THD

FTC8o0hms

20—20

kHz

0.03%

THD

Total

Harmonic

Distortion

at

8

ohms

I.M.

Distortion

at

8

ohms

Damping

Factor

Slew

Rate

Phono

Amplifier

Section

MM

Cartridge

Input

Frequency

Difference

Signal

to

Noise

Ratio

(A

weighted)

Input

Sensitivity

Input

Impedance

MC

Cartridge

Input

Sensitivity

Input

Impedance

Hight

Level

Section

Frequency

Response

Signal

to

Noise

Ratio

(A

weighted)

Input

Sensitivity

Input

Impedance

Tape

Output

Level

[Phono

(MM)

5

mV

1

kHz

Input]

Tape

Output

Impedance

(Phono)

Tone

Control

Action

100

Hz

10

kHz

(CD

Input

at

1

kHz)

(CD

Input

at

10

kHz)

Channel

Separation

General

Power

Requirements

2

Voltage

version

4

Voltage

version

Power

Consumption

(Rated

Power)

AB

Class

Moode

A

Class

Moode

Dimensions

Panel

Width

Pane!

Height

Depth

Weight

Unit

alone

:

240W

:

150W

:

95W

:

120W

:

105W

:

75W

:

7OW

:

95W

:

7OW

:

0.008%

:

0.008%

:

100

:

70

V/ps

:

+0.5

dB

:

86

dB

:

2.5mm

:

47k

Ohms

:

0.25

mV

:

100

Ohms

:

10—70

kHz

:

86

dB

:

150

mV

:

33k

Ohms

:

300

mV

:

220

Ohms

:

£6

dB

:

+6

dB

:

75

dB

:

65

dB

:

220V/240V

:

110V—240V

:

300W

:

420

mm

:

132

mm

:

334

mm

:

10

kg

Specifications

and

appearance

are

subject

to

change

for

modification

without

notice.

Marantz 74 PM52/00B User manual

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