Marantz SC 80 Service Manual

Page 1

S e TV i C e 74 SC80/023/026
M a n U a I Stereo Control Amplifier

TABLE OF CONTENTS

SECTION PAGE
1. BLOCK DIAGRAM ......................................................................... 1
2 SCHEMATIC DIAGRAM AND PARTS LOCATION (Pattern Side) ............
3. EXPLODED VIEW AND PARTS LIST ....................................
4. ELECTRICAL PARTS LIST ............................................

maranll®

model SC-80

First issue: 1990
4822 725 50922

Page 2

E
MAHANTZ DESIGN AND SERVICE 9
PECIFICATIONS DIN
Using superior design and selected high grade TECHNICAL S ( )
components, MAFtANTZ company has created the
ultimate in stereo sound. MAFIANTZ INTERNATIONAL
Only original MARANTZ parts can insure that your Vestdijk 9 Frequency ResponSe :0 2 dB
MARANTZ product will continue to perform to the 5600 MD Eindhoven pHONo (20 Hz-20 kHz) ......................... 10-2 dB
Specificamns f° Which i 5 mm The Nether'ams High Level (20 Hz-20 kHz) ................... . ....................................... .
Parts for your MARANTZ equipment are generally :2;?:;-+f;472677558%92099 HD
1 available to our National Marantz Subsidiary or Agent. _ ' ' ' - D T 0/
i ORDERING PARTS Telex. 35000 PHTC NL routing IN NLMTFAT 1V output (20 Hz~20 kHz) .............................. . .............................. 0.015 D
' ' . . tput A-weighted)
Parts can be ordered either by metal or by telex. In both 1 S/N RENO (ref 05V 0 . ................. 75 dB
cases, correct part number has to be specified. ' t, PHONO (MC) (500 m7 Input) ..........................................
The following information must be supplied to eliminate I PHONO (MM) (5 mV Input) . . 95 dB
de'EYs in pmmsmg VOW Olden __ . y/yi-ligoh Level (0.5 v Input) ...............................................................
3. Complete part numbers and quantities required S/N Ratio Vol. max. (ref. 1V output A-Weighted) 69 dB
- DescriPiO" 0' Paris PHONO M (0.22 mV input) .......... . ......... . . .................. ) ................. ..
4- Model number for WhiCh part is required pHoNo mg?) (25 mV input) . _ ......................................... 88 dB
51W °f Shipment ' , _ High Level (150 II1V input) ............................................................ 115 dB
6. Signature: any order form or telex must be signed
othenivise such part order will be considered as null . .
and void. Input SenSItIVIty/lmpedanoe 2 W130 h 5
PHONO (MC Lcw) .......................................................... 0. m o in
N0 MC H' h) .......................... 0.17 mV/1k ohms
» PARTS ORDERING PHO ( lg . a: ................. V 47k h
NO MM ..................... ...2.5m/ oms
Parts may be ordered at the following addresses: \\ PHO ( ) """""""""""""""""""" 15° mV/20k ohms
Ausmm FINLAND GREAT BRITAIN SAUDI ARABIA SWITZERLAND High Level ..........................................................
HORNYPHON MARANTZ MARANTZ AUDIO UK. Ltd AL ALAMIAH ELECTRONICS MARANTZ
Vertrlebsgesellschaft GmbH DIVISION OF OY PHILIPS Ab Unit 15/16 P.O.Box 5954 Technischer Service
Wienerbergetrasse 1 Kalvckatu 8 Saxon Way Industrial Estate University Street Duenstrasse 3 Phone Overload (1% THD 1 kHz) .................. 12 mV
A 1101 Vine" 00100 Helsinki Moor Lane Riyadh 11432 3155 Diidingen MC Low ..................................... . ................... 160 mV
5" 3 HE"°"5W°'"' 37 OLW Saudi Mama SWuer'and MM ................................................ , . . . . ---------
Telex: 132.332 Telex: 124811 Great Britain Telex: 401530 ,
Telex: 935196 TURKEY """" 1 V/3 V
BELGIUM FRANCE SOUTH AFI'Ich DOGHUOL Ltd. Output Level (ref./ max) ........... . ............................................... on
' SVD DV'S'ON MARANTZ MHANTZ FRANCE GREECE MAHANTZ "M'c' Muting Attenuation ........................................................................
l lndustrialean 1 4 Rue Bernard Palissy SHERTON ELECTRONICS s.A. DIVISION OF PHILIPS SA 6 Sick N°631D
1720 Groot-Bijgaarden 92600 Asnieres 'P.O.Box 21025 Main Road Martindale Unkapani 15 W
9" "M Hiwocrams-Slreet 188* . ~ w vii/on: Boxrssoea VVVVVVVVVVV Istanbul iiiii ~ power Consumptwn .....................................................................
- Telex: 24466 Telex: 611651 Athens 11471 Newville 21114 Turkey Dimensions
_ ., . _ Greece , South Africa ' Telex: 22085 , _______________ 420 mm
cI-IILE GERMANY Telex: 216.795 , Panel Width .......................................................
, MAFIANTZ MARANTZ GERMANY GmbH SPAIN MALTA I H i ht _ . ,
l Pane e g
l DIVISION OF PHILIPS SA Alexanderstrasse l JAPAN PHONO S.A. CACHIA at eALEA th ............................................. 334 mm
i AV. Santa Marie. 0760 2000 Hamburg MARANTZ JAPAN. Inc. Ignacio lglesias 10 Republic Street, 68D Dep """"""""""""""""
Casilla 2687 Germany 354. 7-chome, Sagemiono Badelona (Barcelona) Valetta Weight 5 6 k
Santiago Sagamihara-shi. Kanegawa Spain TB'BX: 1682 Unit alone .......................................................................... . g
Telex: 240.239 THE NETHERLANDS Japan Telex: 59355
i Elpro Marentz PORTUGAL , ,
DENMARK Wint Hontlaan 25 KUWAIT SWEDEN MARANTZ _ «
MARANTZ 3526 KV Utrecht AL ALAMIAH ELECTRONICS MARANTZ Diviseo phillps S.A. service , 3 . . . - . - 'oe.
DIVISION or PHILIPS The Netherlands Ussema Building DIVISION OF PHILIPS Outurelavcarnaxide 7 Specifications we 0 change Without prior notl
SERVICE A/S Telex: 474s Fahd al Saleem Street Forsaljning AB 2795 LinDA-A-VELHA 1
Frags Boulevard 80 P.0.Box 23781 Togeluddsvagen 1 Telex: 43906
Postbox 1919 NonWAv Saint-Kuwait S-115 84 Stockholm
I DKeaoo Kobenhavn S MARANTZ Telex: 22694 Sweden
Denmark DIVISION OF PHILIPS A/S Telex: 14060
_ Telex: 31201 Sandstuvelen 40 ITALY
0680 Oslo 6 MARANTZ ITALIANA S.P.A.
Norway Vla Chiese, 74
Telex: 72640 20126 Milano
Italy
I
l l

All 01 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 facilit
the event that there is no service location listed for your country, please,

assistance.

y in your particular country. In

contact the nearest facility tor the necessary

In case of difficulties, do not hesitate to contact the Technical
.. ._DeInartrrlent-atjtlamMerriemiretum-addresse