Marantz SD 4050 Service Manual

Page 1

serVi C9 SD4050 /N1B, /U1B, /F1B
M a n U a I Cassette Deck

m M = :m -= r
E ® fifififiufi e
sé 2625.'-©.@: _
:- Elm-WE.- .F
a: Q -
O... --_Q Q flaw
L,=_,I L==J
TABLE OF CONTENTS
TECHNICAL SPECIFICATION ..
BLOCK DIAGRAM .....................

WIRING DIAGRAM ....................
ADJUSTMENT PROCEDURE
SCHEMATIC DIAGRAM AND PARTS LOCATION .
MICROPROCESSOR AND IC DATA ......................
EXPLODED VIEW AND PARTS LIST.
ELECTRICAL PARTS LIST ...................

@NPWFWNT

Please use this service manual with referring to the user guide (D.F.U) without fail.
wearer; MaEYIEzEFEEEiEEfiEbi¥1$53£5$§fl®£1$¥éfiDCFEIin

maranll®

- SD4050 -

286W855010 A0
3120 785 22012

Printed In Japan First |ssue1i999.08

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 to our National Marantz Subsidiary or Agent.

ORDERING PARTS :

Parts can be ordered either by mail or by Fax.. 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 part is required

5. Way of shipment

6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.

7 USA

MARANTZ AMERICA, INC.
440 MEDINAH ROAD
ROSELLE, ILLINOIS 60172
USA

PHONE : 630 7 307 7 3100
FAX : 630 7 307 7 2687

7 EUROPE / TRADING

7 BRAZIL

MARANTZ EUROPE B.V.
P.O.BOX 80002, BUILDING SFF2
5600 JB EINDHOVEN

THE NETHERLANDS

PHONE :+31 7 40 7 2732241

FAX : +31 7 40 7 2735578

MARANTZ BRAZIL

CAIXA POSTAL 21462

CEP 046987970

SAO PAULO, SF, BRAZIL

PHONE : 0800 7 123123(Discagem DiretaGratuita)
FAX : +55 11 534. 8988

- PHUFESSIQNAL AMERICAS -
SUPERSCOPE TECHNOLOGIES, INC.
MARANTZ PROFESSIONAL PRODUCTS
2640 WHITE OAK CIRCLE, SUITE A
AURORA, ILLINOIS 60504 USA

PHONE : 630 7 820 7 4800

FAX : 630 7 820 7 8103

, CANADA

LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,

PICKERING. ONTARIO L1W 3K1
CANADA

PHONE : 905 7 831 7 6333

FAX : 905 7 831 7 6936

7 AUSTRALIA

JAMO AUSTRALIA PTY LTD
1 EXPO COURT. PO. BOX 350
MT. WAVERLEY VIC 3149
AUSTRALIA

PHONE :+61 7 3 7 9543 71522
FAX : +61 7 3 7 9543 7 3677

7 THAILAND

MRZ STANDARD CO.,LTD

746 7 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND

PHONE : +66 7 2 7 222 9181

FAX : +66 7 2 7 224 6795

SINGAPORE

WO KEE HONG (S) PTE LTD
WO KEE HONG CENTRE
No.23, LORONG 8, TOA PAYOH
SINGAPORE 319257

PHONE : +65 2544555

FAX : +65 2502213

7 TAIWAN

PAI- YUING 60., LTD.

6 TH FL NO. 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 7 2 7 25221304

FAX : +886 7 2 7 25630415

7 MALAYSIA -
WO KEE HONG ELECTRONICS SDN. BHD.
NO. 102 JALAN SS 21/35, DAMANSARA
UTAMA, 47400 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 3 7 7184666

FAX : +60 3 7 7173828

- JAPAN Technical
MARANTZ JAPAN. INC.

3571, 77 CHOME, SAGAMIONO
SAGAMIHARA 7 SHI, KANAGAWA
JAPAN 22878505

PHONE : +81 42 7481013

FAX : +81 42 748 9190

EIZSVEJJfikfifiH

2: *1 $225-$115
443%llfitfitfilfidfitfitfififiwsm
E¥$fifi $150-0022

§§8B0<§E§tt§§1 -1 1-9

7 KOREA

MK ENTERPRISES LTD.

ROOM 604/605, ELECTRO7OFFICETEL, 16758,
3GA, HANGANG7RO. YONGSAN7KU, SEOUL
KOREA

PHONE : +822 7 3232 7155

FAX : +822 7 3232 7 154

SHOCK, FIRE HAZARD SERVICE TEST :

CAUTION :After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC
cord connector pins (with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product and
controls and chassis bottom.

Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, and
verified before it is return to the user/customer.

Ref. UL Standard No. 1492.

In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.

990729A.O