MARANTZ SR4000 - Service Manual Immediate Download

AV Surround Receiver

TABLE OF CONTENTS

SECTION

PAGE

1. LOCATION OF PRINTED CIRCUIT BOARDS/VERSION VARIATIONS ................................................ 1-1

2. TECHNICAL SPECIFICATION ................................................................................................................ 1-3

3. SERVICE TOOL/MEASUREMENT SET UP/SAFETY ............................................................................ 1-5

4. WARNING/HANDLING CHIP COMPONENTS ....................................................................................... 1-6

5. DISMANTLING HINTS ............................................................................................................................ 2-1

6. ABREVIATIONS ...................................................................................................................................... 2-2

7. WIRING DIAGRAM .................................................................................................................................. 3-1

8. BLOCK DIAGRAM ................................................................................................................................... 4-1

9. SERVICE TEST PROGRAM ................................................................................................................... 5-1

10. FRONT BOARD ....................................................................................................................................... 6-1

11. TUNER BOARD ECO5 ..........................................................................................................................7B-1

12. TUNER 95 BOARD ............................................................................................................................... 7D-1

13. DOLBY PROLOGIC BOARD ................................................................................................................... 8-1

14. MULTI-CHANNEL DECODING MODULE ............................................................................................... 9-1

15. MAINS BOARD ...................................................................................................................................... 10-1

16. MONO BOARD ...................................................................................................................................... 11-1

17. EXPLODED VIEW ................................................................................................................................. 12-1

18. ELECTRICAL PARTS LIST MONO BOARD ......................................................................................... 13-1

Service

Manual

SR3000 /N1B, /U1B

SR4000 /K1B, /K1G, /N1B, /U1B

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

R

SR3000 / SR4000

283W855010 ACT

3120 785 22200

First Issue:2000. 03

SR3000

SR4000

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.

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.

991207ACT

USA

MARANTZ AMERICA, INC

MARANTZ AMERICA, INC.

440 MEDINAH ROAD

ROSELLE, ILLINOIS 60172

USA

PHONE : 630 - 307 - 3100

FAX

: 630 - 307 - 2687

BRAZIL

PHILIP DA AMAZONIA IND. ELET. ITDA

CENTRO DE INFORMACOES AO

CEP 04698-970

SAO PAULO, SP, BRAZIL

PHONE : 0800 - 123123(Discagem Direta Gratuita)

FAX

: +55 11 534. 8988

JAPAN

JAPAN Technical

MARANTZ JAPAN, INC.

35- 1, 7- CHOME, SAGAMIONO

SAGAMIHARA - SHI, KANAGAWA

JAPAN 228-8505

PHONE : +81 42 748 1013

FAX

: +81 42 741 9190

EUROPE / TRADING

MARANTZ EUROPE B.V.

P.O.BOX 80002, BUILDING SFF2

5600 JB EINDHOVEN

THE NETHERLANDS

PHONE : +31 - 40 - 2732241

FAX

: +31 - 40 - 2735578

TECHNICAL AUDIO GROUP PTY, LTD

558 DARLING STREET,

BALMAIN, NSW 2041,

AUSTRALIA

PHONE : 61 - 2 - 9810 - 5300

FAX

: 61 - 2 - 9810 - 5355

CANADA

LENBROOK INDUSTRIES LIMITED

633 GRANITE COURT,

PICKERING, ONTARIO L1W 3K1

CANADA

PHONE : 905 - 831 - 6333

FAX

: 905 - 831 - 6936

AUSTRALIA

JAMO AUSTRALIA PTY LTD

1 EXPO COURT, P.O. BOX 350

MT. WAVERLEY VIC 3149

AUSTRALIA

PHONE : +61 - 3 - 9543 - 1522

FAX

: +61 - 3 - 9543 - 3677

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 CO.,LTD

746 - 754 MAHACHAI ROAD.,

WANGBURAPAPIROM, PHRANAKORN,

BANGKOK, 10200 THAILAND

PHONE : +66 - 2 - 222 9181

FAX

: +66 - 2 - 224 6795

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

WO KEE HONG ELECTRONICS SDN. BHD.

SUITE 8.1, LEVEL 8, MENARA GENESIS,

NO. 33, JALAN SULTAN ISMAIL,

50250 KUALA LUMPUR, MALAYSIA

PHONE : +60 3 - 2457677

FAX

: +60 3 - 2458180

AMERICAS

SUPERSCOPE TECHNOLOGIES, INC.

MARANTZ PROFESSIONAL PRODUCTS

2640 WHITE OAK CIRCLE, SUITE A

AURORA, ILLINOIS 60504 USA

PHONE : 630 - 820 - 4800

FAX

: 630 - 820 - 8103

AUSTRALIA

KOREA

MK ENTERPRISES LTD.

ROOM 604/605, ELECTRO-OFFICETEL, 16-58,

3GA, HANGANG-RO, YONGSAN-KU, SEOUL

KOREA

PHONE : +822 - 3232 - 155

FAX

: +822 - 3232 - 154

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

VERSION VARIATIONS

SR3000

Features &

Board in used

N

U

Tuner board - Tuner 95

x

Tuner board ECO 5

x

RDS

x

P50 code (cinema link)

xx

# Power channels

4

Center Pre-out

x

Surround Pre-out

x

Mains voltage

230

120

Type &

version

LOCATION OF PRINTED CIRCUIT BOARDS for SR3000

1-1

1-2

VERSION VARIATIONS

SR4000

Type &

Versions

Features &

Board in used

NK

U

Tuner board - Tuner 95

x

Tuner board ECO 5

x

RDS

x

P50 code (cinema link)

xx

x

AV Front

xx

x

Center pre-out

xx

x

Subwoofer pre-out

xx

x

Video selector

xx

x

# power channels

55

5

Mains voltage

230

120/230

120

Voltage selector

x

Tuner Board

Screw Terminal

MDM Board

Mono Board

Front Board

Secondary

Trafo Board

Mains Board

Headphone & Front AV

Board

P50 & Subw. &

Video Selector

Board

LOCATION OF PRINTED CIRCUIT BOARDS for SR4000

1-3

TECHNICAL SPECIFICATION SR3000

General

Mains voltage

:230V for /N

:120V for /U

Mains frequency

: 50Hz for /N

: 60Hz for /U

Power concumption

:

2W at stby

Dimension

: 440x138x350 mm

Remote control

: RC3000SR

Amplifier

Output power

L+R

: 2x50W at 6

D= 0,7% (1kHz)

Center

: 50W at 6

D= 0,7% (1kHz)

Surround

: 50W at 2X3

D= 0,7% (1kHz)

Distortion (1W)

40Hz -1kHz -20kHz :

0,05%(L,R,C)

:

0,2% (Surround ch.)

Headphone

: 6,3mm stereo jack with switch

Crosstalk between source --1kHz

:

-65dB

(1W)

250Hz 10kHz

:

-60dB

Crosstalk between channels -1kHz

:

-45dB

(1W)

250Hz 10kHz

:

-40dB

Frequency response

Left/Right/Center

:

20Hz 20kHz (-3dB)

Surround channel

:

100Hz 7kHz (-3dB)

Power stage protection

: Shortcircuit

: DC (Vout

10V)

Temperature

: Transformer (

140° Celcius)

: Heatsink (

140° Celcius)

Input sensitivity

CD

: 250mV

impedance

47k

CDR/TAPE

: 250mV

impedance

47k

VCR

: 250mV

impedance

47k

TV

: 250mV

impedance

47k

Output sensitivity

CDR/TAPE

: 250mV

impedance

1k

VCR

: 250mV

impedance

1k

Output sensitivity (variable)

Center pre-out

: 800mV

impedance

1k

Surround pre-out

: 800mV

impedance

1k

Equalizer

Loudness

(volume

-20dB Ref: 1kHz=0dB)

: Bass 100Hz

+6 dB

: Treble 10kHz +3 dB

Tone control (Ref: 1kHz=0dB)

: Bass 100Hz

-10dB +10dB

: Treble 10kHz -10dB +10dB

DSC settings

100Hz

1kHz

10kHz

Personal

dB

0

Movie

dB

+ 4

+2

+4

Speech

dB

- 4

+2

- 2

Music

dB

+ 4

- 2

+2

Multimedia

dB

+ 8

0

+6

Dolby Pro Logic

Stereo bypass from

: Lt , Rt into Left, Right

Dolby Pro-logic decoding

: Lt , Rt into Left, Right, Center,

:

Surround

Dolby 3 stereo decoding

: Lt , Rt into Left, Center, Right

Dolby Phantom decoding

: Lt , Rt into Left, Right, Surround

(Phantom = no center speaker)

Hall

: Lt , Rt into Left, Surround, Right

Surround delay

: variable

Center mode

: Large , small

Testtone

Tuner

RDS

: Only in /N

FM

Tuning range

: 87.5 108MHz

Grid

: 50kHz for /N

: 100kHz for /U

IF frequency

: 10.7MHz

±25kHz

Aerial input

: 75

coaxial

Sensitivity at 26dB S/N

:

7µv

Selectivity at 600kHz bandwidth

:

50dB

Inmage rejection

:

25dB [ 75dB]

Distortion at RF=1mV,dev.75kHz

:

3% [ 2%]

-3dB Limiting point

:

7µV

Crosstalk at RF=1mV,dev.40kHz

:

18dB [ 26dB]

MW

Tuning range

: 531 - 1602kHz for /N

: 530 - 1700kHz for /U

Grid

: 9kHz for /N

: 10kHz for /U

IF frequency

: 450kHz

±1kHz

Aerial input

: Loop

Sensitivity at 26dB S/N

:

4.0mV/m

Selectivity at 18kHz bandwidth

:

18dB

IF rejection

:

45dB

Inmage rejection

:

28dB

Distortion at RF=50mV,m=80%

:

5%

LW only in /N

Tuning range

: 153 - 279kHz

Grid

: 3kHz

IF frequency

: 450kHz

±1kHz

Aerial input

: Loop

Sensitivity at 26dB S/N

:

7.0mV/m

Selectivity at 18kHz bandwidth

:

24dB

IF rejection

:

26dB

Inmage rejection

:

35dB

Distortion at RF=50mV,m=80%

:

5%

[...] Values indicated are for "Tuner 95 Board" only

* Setting is software controlled