Marantz SR 73 Service Manual

Page 1

Service
Manual

74SR73 / oza/oze

Audio/Video surround stereo receiver

SECTION

5999833995993?

TABLE OF CONTENTS

TECHNICAL SPECIFICATIONS.
BLOCK DIAGRAM
SCHEMATIC DIAGRAM AND PARTS LOCATION (Pattern side) .
EXPLODED VIEW AND PARTS LIST .......................
TEST EQUIPMENT REQUIRED FOR SERVICING ,
IDLING CURRENT ADJUSTMENT
SERVICE PROGRAM.

TUNER ALIGNMENT PROCEDURES
ALIGNMENT AND TEST POINT.
CIRCUIT DESCRIPTION. .
MICFIOPROCESSOR DAT ..
ELECTRICAL FAFITS LIST

maranul®

mOdel SR-73 First issue : 1993

4822 725 51045

AC

PCS 71 638

Page 2

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.
PO. Box 80002

Building SFF 2

5600 JB Eindhoven

The Netherlands

Phone :+31-40-732241
Fax 2 +31-40-735578

Parts can be ordered either by mail or by teiex. 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.
AD DR E SS ES
AUSTRALIA FINLAND ITALY
MARANIZ AUSTRALIA MARANTZ MARANTZ iTALlANA SPA
FigIree Drive Kuonanegatan 1 Piazza iv Novembre 3
Australia Centre 00520 20124 Milano
Ilomcbush. NSW 2140 Helsing'ors 52 Italy
AUSTRALIA Finland
AUSTRIA FRANCE JAPAN
MARANTZ MARANTZ FRANCE MARANTZ JAPAN INC.
Hietzinger Kai 137a a Rue Bernard Palissy 35-1, 7-chome, Sagamiono
1130 Wien 92600 Asniéres Sagamiharzrshi. Kanagawa
Austria France Japan
BELGIUM GERMANY KUWAIT
MARANTZ EUROPE EV. MARANTZ GERMANV GmbH AL ALAMIAH ELECTRONICS
Div. Benelux Kleine Heido 12 P.0.Box 8196
P 0.8m 80002 Posrracn 4802 Salmlah
Building SFF 2 Halle-Westialen 22052 Kuwait
5000 JB Eindrioven Germany
The Netherlands
CHILE GREAT BRITAIN NETHERLANDS
MARANTZ DIVISION OF MARANTZ HiFi UK Ltd. MARANTZ EUROPE B.V.
PHILIPS 5A. Kingsbrldge House Div. Benelux
Av Santa Maria 0760 Padbury Oaks P.O.Box 30002
Casilla 2607 575-583 Bath Road Building SFF 2
Santiago LongIord Middlesex UB7 OEH. 5600 JB Elndhoven
Chile 0 K. The Nethertands
DENMARK GREECE
MARANTZ ADAMCO ELECTR. SA
Horsvinget 5 P.0.Box 21025
2630 Tastrup Hippocralus Slr. tat!
Denmark Athens 1I471

Greece

NORWAV SPAIN

MARANTZ MARANTZ SPAIN
Postboks 7034 Martinez Villargas 2
Assiden Apartado 2065

3007 Drammcn Madrid 20027
Norway Spain

PORTUGAL SWEDEN

COREL MARANTZ

Av. do Uberdade Box 1320

21I-2 Esqt 17125 Solna

1200 Lisboa Sweden

Portugal

SAUDI ARABIA SWITZERLAND

AL ALAMIAH ELECTRONICS MAFIANTZ SWITZERLAND
P.0.Box 5954 Posttach

University Street 8010 Ziirich-Mflllingen
Riyadh H432 Switzertand

Saudi Arabia

SOUTH AFRICA TRADING

MARANTZ SA, MARANTZ TRADING

10 Bond Street
Handhurg 2194

P.0.Box 20008
Building SFF 2

R0 Box 7705 5600 JE Eindhoven
Johannesburg 2000 The Netherlands
South Africa

All of the above locations are fully eqquped to take care oI your total service needs or can advice you. Because various countries
have diflerlng contiguratlon requirements, It Is necessary that you contact the service facility In your particular country.
In the event that there is no service location llstcd for your country. please contact the nearest Iaclllty tor the necessary assistance.

PCS 71 639

in case at dilficulties, do not hesitate to contact the
Technical Department at above mentioned address.