MarantzCD7300.pdf

Service

Manual

CD7300 / F1N/K1G/S1G/C1G

/N1G/N1B

CD Player

CD PLAYER CD7300

DISPLAY

STOP

PLAY/PAUSE

OPEN/CLOSE

TIMER

DISC

RNDM PROG

A Ð B RPT 1

S.PLAY

DISPLAY

OFF

TTL

TRK

INDX

TTL TIME

EASY JOG

MP3

TEXT 12 34 56 78 901234567890

POWER ON/OFF

QUICK REPLAY

LEVEL

PHONES

TABLE OF CONTENTS

SECTION .....................................................................................................................................PAGE

1. TECHNICAL SPECIFICATIONS ...................................................................................................1

2. SERVICE PROCEDURE............................................................................................................... 2

3. SERVICE MODE ........................................................................................................................... 6

4. BLOCK DIAGRAM ........................................................................................................................ 7

5. SCHEMATIC DIAGRAM................................................................................................................ 9

6. PARTS LOCATION ...................................................................................................................... 23

7. IC DATA ....................................................................................................................................... 27

8. EXPLODED VIEW AND PARTS LIST ......................................................................................... 33

9. ELECTRICAL PARTS LIST ......................................................................................................... 37

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

CD7300

Printed on 100% Recycled Paper

Printed in Japan

Part no. 05AK855020

First Issue 2003.07

ecm

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.

USA

MARANTZ AMERICA, INC

1100 MAPLEWOOD DRIVE

ITASCA, IL. 60143

USA

PHONE : 630 - 741 - 0300

FAX : 630 - 741 - 0301

EUROPE / TRADING

MARANTZ EUROPE B.V.

P. O. BOX 8744, BUILDING SILVERPOINT

BEEMDSTRAAT 11, 5653 MA EINDHOVEN

THE NETHERLANDS

PHONE : +31 - 40 - 2507844

FAX : +31 - 40 - 2507860

BRAZIL

PHILIPS 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

AMERICAS

AUSTRALIA

CANADA

LENBROOK INDUSTRIES LIMITED

633 GRANITE COURT,

PICKERING, ONTARIO L1W 3K1

CANADA

PHONE : 905 - 831 - 6333

FAX : 905 - 831 - 6936

SUPERSCOPE TECHNOLOGIES, INC.

TECHNICAL AUDIO GROUP PTY, LTD

558 DARLING STREET,

BALMAIN, NSW 2041,

AUSTRALIA

PHONE : 61 - 2 - 9810 - 5300

FAX : 61 - 2 - 9810 - 5355

MARANTZ PROFESSIONAL PRODUCTS

2640 WHITE OAK CIRCLE, SUITE A

AURORA, ILLINOIS 60504 USA

PHONE : 630 - 820 - 4800

FAX : 630 - 820 - 8103

AUSTRALIA

QualiFi Pty Ltd,

24 LIONEL ROAD,

MT. WAVERLEY VIC 3149

AUSTRALIA

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

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

THAILAND

MRZ STANDARD CO., LTD

746 - 754 MAHACHAI ROAD.,

WANGBURAPAPIROM, PHRANAKORN,

BANGKOK, 10200 THAILAND

PHONE : +66 - 2 - 222 9181

FAX : +66 - 2 - 224 6795

SINGAPORE

WO KEE HONG DISTRIBUTION PTE LTD

130 JOO SENG ROAD

#03-02 OLIVINE BUILDING

SINGAPORE 368357

PHONE : +65 6858 5535 / +65 6381 8621

FAX : +65 6858 6078

NEW ZEALAND

WILDASH AUDIO SYSTEMS NZ

14 MALVERN ROAD MT ALBERT

AUCKLAND NEW ZEALAND

PHONE : +64 - 9 - 8451958

FAX : +64 - 9 - 8463554

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 - 21457677

FAX : +60 3 - 21458180

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

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

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.

030307MIT

1. TECHNICAL SPECIFICATIONS

Audio characteristics

Channels .................................................................................................................................................................2 channels

Frequency response ......................................................................................................................................... 2 Hz to 20 kHz

Dynamic range ..............................................................................................................................................................100 dB

Signal-to-noise ratio.......................................................................................................................................................110 dB

Channel separation .......................................................................................................................................... 100 dB (1 kHz)

Harmonic distortion ....................................................................................................................................... 0.0025% (1 kHz)

Wow & ﬂutter .............................................................................................................................................. Precision of quartz

Error correction system ........................................................................................................................ Cross-interleave Reed

Solomon code (CIRC)

Audio output ..................................................................................................................................................2.0 V rms, stereo

Headphone output ......................................................................................................... 18 mW/32 ohms (variable maximum)

Digital output

Coaxial output (pin jack) ......................................................................................................................... 0.5 Vp-p, 75 ohms

Optical output (square optical connector) .............................................................................................................. -19 dBm

Optical readout system

Laser.................................................................................................................................................... AlGaAs semiconductor

Wavelength................................................................................................................................................................... 780 nm

Signal system

Sampling frequency....................................................................................................................................................44.1 kHz

Quantization .............................................................................................................................................16-bit linear/channel

Power supply

Power requirement .................................................................................................................................... AC 220V 60Hz (/C)

...............................................................................................................................AC 100V 50/60Hz (/F)

.........................................................................................................................AC 110/220V 50/60Hz (/K)

.................................................................................................................................... AC 230V 50Hz (/N)

................................................................................................................................AC 230V 50/60Hz (/S)

Power consumption ..........................................................................................................................................................12 W

Cabinet, etc.

Maximum dimensions................................................................................................................440(W) x 89(H) x 317 (D) mm

Weight ............................................................................................................................................................................ 5.7 kg

Allowable operating temperature ...........................................................................................................................+5 to +35°C

Allowable operating humidity ........................................................................................................ 5 to 90% (no condensation)

2. SERVICE PROCEDURE

Emergency Eject

To open the stucked tray, insert a pin into the eject pinhole and push

the eject lever.

Use a pin

4mm or less.

This picture shows the unit upside down. The eject lever is pointed by the arrow.

The lever is thin so aim the narrow area carefully.

Cautions in Assembling and Disassembling

When removing the flat wire PS01, connecting the optical pick up and

the CD decorder board, short-cut the two lands pointed by the arrow

with solder. Otherwise the laser diode may be damaged by static electricity.

CD Decorder Board (PS01) Repair

When Repairing the CD decorder board PS01, you can fix the board on the loader unit

as shown in the pictuer below with the flat wires that are provided as service parts.

15P YU15170010

24P YU24230520

20P *YU001030R

PCB Fix Screw

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