Marantz SM 500 Service Manual

Page 1

serVice 74MM500 loza/ozslosa

743M500 IOZBIOZG 1058

Man ual Main amplifier

Multichannel main ampritier MMSOO Stereo main ampriIier SMSOO

TABLE OF CONTENTS
SECTION
1. TECHNICAL SPECIFICATIONS....
2. TEST EQUIPMENT REQUIRED FOR SERVICING ..................................... 2
3. IDLING CURRENT ADJUSTMENT ............................... .2
4. BLOCK DIAGRAM .............. .3
5. CIRCUIT DESCRIPTION 4
6. SCHEMATIC DIAGRAM AND PARTS LOCATION(PaIIem side) ............................... 6
7. EXPLODED VIEW AND PARTS LIST ................................................................ 17
8. ELECTRICAL PARTS LIST ............................

4822 725 51074

maranll®

model MM5OO / SM5OO

First issue: 1994/9
PCS 79 583

Page 2

MARAN'IZ DESIGN AND SERVICE

Using superior design and selected high grade components,
MAFIANTZ company has created the ultimate in stereo sound.
Only original MARANTZ parts can insure that your MAFIANTZ PO. Box 80002
product will continue to penorm to the specifications for which it is Building SFF 2
famous. 5600 JB Eindhoven
The Netherlands

MARANTZ EUROPE RV.

Parts for your MARANTZ equipment are generally available at our
National Marantz Subsidiary or Agent.

ORDERING PARTS

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
AUSTRALIA FINLAND ITALV NORWAY SPAIN
MARANTZ AUSTRALIA MARANTZ MARANTZ ITALIANA SPA MARANTZ MARANTZ SPAIN
Figtrea Drrve Kuenanegetan t Piazza iv Novembre 3 Ponboks 7034 Martinez \fillernas 2
Australia Centre 00520 2012-1 Milano Aesrden Apartado 2065
Homeoush. NSW 2140 Helsingiors 52 tlaly 3007 Drammen Madrid 28027
AUSTRALIA Finland Norway Spain
AUSTRIA FRANCE JAPAN PORTUGAL SWEDEN
MARANTZ MARANTZ FRANCE MAFIANI'Z JAPAN INC. COREL MARANTZ
Hietzinger Kai 137a 4 Rue Bernard Palissy 35-1. 7-chome. Sagamiono Av. do Liberdade Box 1324
1130 Wien 92500 Asnreres Sagamrhara-shi, Kanagawa 211-2 Esq, 17125 Solna
Austria France Japan 1200 Lisboa Sweden
Portugal
BELGIUM GERMANY KUWAIT SAUDI ARABIA SWITZERLAND
MARANTZ EUROPE 8 V MAFIANTZ GERMANY GmbH AL ALAMIAH EECTRONICS AL ALAMIAH ELECTRONICS MARANTZ SWITZERLAND
Div, Benelux Kleine Horde 12 P.O.Boir 8198 P 0.30! 5954 Pofliach
P.O.Box 00002 Fostiacrr 4802 Salmiah University Street 8010 Zunm-Mullinoen
Building SFF 2 Halle-Westialen 22052 Kuwait Riyadh 11432 Switzerland
5600 JB Elndhoven Germany Saudi Arabia
The Netherfands
CHILE GREAT BRITAIN NETHERLANDS SOUTH AFRICA TRADING
MARANTZ DIVISION OF MARANTZ HiFi UK Ltd. MARANTZ EUROPE 8.V, MARANTZ S.A. MARANTZ TRADING
PHILIPS S.A. Klngsbridge House Div. Benelux 10 Bond Street P.O.Box 20008
Av.Santa Maria 0760 Padbury Oaks P,O.Box 30002 Randburg 2194 Building SFF 2
Casilla 2687 575-583 Bath Road Building SFF 2 PD. Box 7703 5800 JB Eindhovan
Santiago Longlord Middlesex UB7 OEH, 5600 JB Erndhoven Johannesburg 2000 The Netherlands
Chile U.K. The Netherlands South Attica
DENMARK GREECE
MARANTZ ADAMCO ELECTR. SA
Horsvinget 5 P.O.Box 21025
2630 Taslmp Hrppocratus Str. IBB
Denmark Athens 471
Greece

All at the above locations are fully equipped to take care of your total service needs or can advice you. Because various countries
have dlflering configuration requirements. It In neceanry that you contact the service facility In your particular country.
In the event that there II no eervlce location listed for your country. pleaee contact the neereet facility for the neceaaery eeeletence.

PCS 79 584

in case or difficulties. do not hesitate to contact the
Technical Department at above mentioned address.

1. TECHNICAL SPECIFICATIONS

Model SMSOO
Rated Power Output ..................................................................................................... 80 W rrns lch. into 5 ohms
130 W nns lch. into 4 ohms
Total Harmonic Distortion ......................................................................................................... < 0.05 1% at 8 ohms
< 0.09 % at 4 ohms
Input sensitivity/input impedance 05 V rrns l25 k ohms
Frequlency Response ( -1 dB at 1 W ) ................................................................................................ 10 to 80 kHz
Signal to Noise ratio ( A-weighted) .......................................................................................................... > 110 dB
Model MMSOO
Hated Power Output
Front ......................................................................................................................... 75 W rrns lch. into 8 ohms
Center. ........ so w ms at 1 kHz into 8 ohms
Rear.... 40Wrms/ch. at 1 kHzinto4chms
Total Harmonic Distortion ........................... < 0.09 56 at 6 ohms
Input Sensitivity I inpedance ............... .0.5 V rrns / 2.5 k ohms
Frequency Responcse ( -1 dB at 1W) ................. 10 to 80 kHz
Signal to Noise ratio ( A-welght) .............................................................................................................. > 1 10 dB
Power Requirement
/02. version .............................................................................................................................. 230 V AC 50 Hz
IKS version .. ................... 230 V AC 50 Hz
Kversion.... ,.110I220VA050/60 Hz
U version .................. 120 V AC 60H:
Dimensions
width .426 mm
Hight . 145 mm
Dipth ..... 356 mm
Weight: SM 500.. .,..9.3kg
MM500.. .,..9.4 kg
Supplied accessory ...................................................................................................................... Remote cable x 1

Design and Specifications subject to change without prior notice.

PCS 79 585