Marantz SR 4002 Service Manual

Page 1

Service
Manual

SR4002 IN1B/U1B

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TABLE OF CONTENTS HDI'I'II
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. TECHNICAL DESCRIPTION ............................................................................................... 3
3. POWER AMPLIFIER ADJUSTMENT .................................................................................. 6
4. SERVICE MODE .................................................................................................................. 7
5. SYSTEM ERROR ................................................................................................................. 8
6. UPDATE FIRMWARE ......................................................................................................... 11
7. WIRING DIAGRAM ............................................................................................................. 13
8. BLOCK DIAGRAM .............................................................................................................. 17
9. SCHEMATIC DIAGRAM ..................................................................................................... 19
10. PARTS LOCATION ............................................................................................................ 39
11. EXPLODED VIEW AND PARTS LIST ............................................................................... 59
12. MICROPROCESSOR AND IC DATA .................................................................................. 64
13. ELECTRICAL PARTS LIST ................................................................................................ 90
14. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE ............................. 135
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
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MARANTZ DESIGN AND SERVICE

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 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.

- USA - - EUROPEITRADING - * CANADA-
MARANTZ AMERICA, INC MARANTZ EUROPE B.V. D&M CANADA INC.
100 CORPORATE DRIVE P. 0. BOX 8744, BUILDING SILVERPOINT 57505 APPLE CREEK BLVD,
MAHWAH, NEW JERSEY 07430 BEEMDSTRAAT11, 5653 MA EINDHOVEN MARKHAM, ONTARIO L3R 581
USA THE NETHERLANDS CANADA
PHONE : +31 7 40 7 2507844
FAX : +31 7 40 7 2507860

* JAPAN , KOREA -
D&M Holdings Inc. W $4 -7y FILxflt-Jb?4 V07 D&M SALES AND MARKETING KOREA LTD.
D&M BUILDING, 2-1 NISSHlN-CHO, CHUNG JIN B/D.,#1001,

KAWASAKI-KU, KAWASAKI-SHI, 5375, WONHYORO 3 GA, YONGSAN7GU,
KANAGAWA, 21078569 JAPAN iii 4i F21o~asas SEOUL, 1407719, KOREA
#filllfillllfifiillllfilzaiéflflzd omen: PHONE : +82 , 2 , 323 72155
FAX .+82-2-323 -2154

- CHINA

MARANTZ SHANGHAI TRADING LTD.
ROOM506 SHANGHAI LIGHT INDUSTRY MANSION
1578 NANJING (WEST) ROAD SHANGHAI
CHINA

TEL :021 7 6248 7 1064

FAX '021 7 6248 7 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 t Megohms should cause unit to be repaired or corrected before AC power is applied,
and verified before it is return to the user/customer.

Fief. UL Standard No. 1492.

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

07071 QMZ