Marantz AV 8003 Service Manual

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Service
Manual

AV8003 IF B/K1B/N1B/U1B

AV Pre Tuner

SECTION
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L3 L3
TABLE OF CONTENTS

TECHNICAL SPECIFICATIONS.
TECHNICAL DESCRIPTION ......
SERVICE MODE .....
SYSTEM ERROR ..
DUAL BACKUP MEMORY .................................................................................................. 21
UPDATE FIRMWARE .......................................................................................

Mode 1 : Update/Download MAIN CPU's software to internal Flash-ROM.

Mode 2 : Update/Download DSP's software to Flash-ROM ........................

Mode 3 : Update/Download HDMI CPU's software to internal Flash-ROM

Mode 4 : Update/Download HD Radio CPU's software to internal Flash-ROM.

Mode 5 : Update/Download HD Radio Module's software .................................

Mode 6 : Update/Download DMP Sub CPU's software to internal Flash-ROM. ..
WIRING DIAGRAM ............................................................................................................ 61
BLOCK DIAGRAM ..... ..
SCHEMATIC DIAGRAM. .. 67
PARTS LOCATION ........................................................................................................... 101
EXPLODED VIEW AND PARTS LIST... 135
MICROPROCESSOR AND IC DATA.... 139
ELECTRICAL PARTS LIST ................................................................. 183
ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .. ...255

Please use this service manuaI with referring tothe user guide ( D.F.U.) without fail.
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AV8003

Part no. 90M46CW855000
First Issue 2008 05

MZ

Page 2

MARANTZDEEGNANDSERWCE

Using superior design and selected high grade components, MARAN'IZ company has created the ultimate in stereo sound.
Only original MARAN'IZ parts can insure that your MARAN'IZ product will continue to perform to the specifications for which
it is famous.

Parts for your MARAN'IZ 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 numberfor 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.

- USA - - EUROPE/TRADING - - CANADA
MARANTZ AMERICA, INC MARANTZ EUROPE B.V. D&M CANADA INC.
100 CORPORATE DRIVE P 0, BOX 8744, BUILDING SILVERPOINT 5»505 APPLE CREEK BLVD
MAHWAH, NEW JERSEY 07430 BEEMDSTRAAT11, 5653 MA EINDHOVEN MARKHAM, ONTARIO L3R 531
USA THE NETHERLANDS CANADA
PHONE +31 -40 - 2507844
FAX +31 » 40 2507860

- JAPAN - KOREA
D&M Holdings Inc. 356% 5:4 -7y FIAZR-Jl/Fa ybz mm SALES AND MARKETING KOREA LTD.
D&M BUILDING, 2.1 NISSHINVCHO, CHUNG JIN ED ,#1001,
KAWASAKI-KU, KAWASAKI-SHI, 535. WONHYORO 3 GA, YONGSAN-GU,
KANAGAWA, 2108569 JAPAN I ti T21oasse SEOUL, 140-719, KOREA
fiafilllfiilltflrfilllfiizaigmjm D&MB)|I PHONE +82 » 2 - 323 - 2155
FAX +82 -2 - 323 »2154

- CHINA

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

TEL :021 » 6248 - 1064

FAX I 021 - 6248 - 3565

NOTE ON SAFETY :

Symbol A Fire or electrical shock hazard. Only original parts should be used to replaced any part marked with symbol A.
Any other component substitution (other than original type), may increase risk of fire or electrical shock hazard.

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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. 60065

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

070719MZ