Marantz CR 401 Service Manual

Page 1

Service
Manual

CR401 /N1s

CD Receiver

SECTION

. MICROPROCESSOR AND IC DATA....
. EXPLODED VIEW AND PARTS LIST..
. ELECTRICAL PARTS LIST ................................................................................................. 44

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TABLE OF CONTENTS

TECHNICAL SPECIFICATIONS
SERVICE HINTS AND TOOLS ..
WARNING AND LASER SAFETY INSTRUCTIONS
TAKING THE DISC OUT OF EMERGENCY ...........
CD UPDATE FIRMWARE ........
FACTORY / SERVICE MODE.
WIRING DIAGRAM.
BLOCK DIAGRAM ..
SCHEMATIC DIAGRAM
PARTS LOCATION ........

Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
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COMPACT

DIGITAL AUDIO

marantz®

CR401

Part no. 90M4QBW855010
First Issue 2005.12

MZ

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
1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143

USA

PHONE : 630 - 741 - 0300
FAX : 630 - 741 - 0301

EUROPE ITRADING

MARANTZ EUROPE B.V.

P. 0. BOX 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS

PHONE : +31 - 40 - 2507844

FAX : +31 - 40 - 2507860

- CANADA

MARANTZ CANADA INC.
5-505 APPLE CREEK BLVD.
MARKHAM, ONTARIO L3H 5B1
CANADA

PHONE : 905 - 415 - 9292

FAX : 905 - 475 - 4159

7 AUSTRALIA

QualiFi Pty Ltd,

24 LIONEL ROAD,

MT. WAVERLEY VIC 3149
AUSTRALIA

PHONE : +61 - (0)3 - 9543 - 1522
FAX : +61 - (0)3 - 9543 - 3677

7 NEW ZEALAND
WILDASH AUDIO SYSTEMS NZ
14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : +64 - 9 - 8451958
FAX : +64 - 9 - 8463554

THAILAND
MRZ STANDARD C0., LTD
746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX : +66 - 2 - 224 6795

- SINGAPORE

W0 KEE HONG DISTRIBUTION PTE LTD
No.1 JALAN KILANG TIMOR

#08-03 PACIFIC TECH CENTRE

SINGAPORE 159303

PHONE : +65 6376 0338

FAX : +65 6376 0166

TAIWAN
PAI- YUING CO., LTD.
6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 - 2 - 25221304
FAX : +886 - 2 - 25630415

MALAYSIA

W0 KEE HONG ELECTRONICS SDN. BHD.
2ND FLOOR BANGUNAN INFINITE CENTRE
LOT 1, JALAN 13/6, 46200 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 - 3 - 7954 8088

FAX : +60 - 3 - 7954 7088

7 JAPAN Technical

D&M Holdings Inc.

35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505

PHONE : +81 42 7481013

FAX : +81 42 741 9190

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7 KOREA

MARANTZ KOREA 00., LTD.
ROOM 604, ELECTRO OFFICE, 16-58,
HANGGANG-RO 3GA, YONGSAN-KU,
SEOUL, 140-013, KOREA

PHONE : +82 - 2 - 323 - 2155

FAX :+82-2-323-2154

SHOCK, FIRE HAZARD SERVICE TEST :

7 CHINA

MARANTZ SHANGHAI TRADING LTD.
ROOM.506 SHANGHAI LIGHT INDUSTRY MANSION
1578 NANJING (WEST) ROAD SHANGHAI
CHINA

TEL :021 - 6248 - 1064

FAX : 021 » 6248 - 3565

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.

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

051121MZ