Part no. 05AK855020
First Issue 2003.07
ecm
CD Player
CD7300
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
CD7300 /F1N/K1G/S1G/C1G
/N1G/N1B
R
CD7300
Printed in Japan
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
Printed on 100% Recycled Paper
DISPLAY
OFF
PLAY/PAUSE
+
OPEN/CLOSE
STOP
EASY JOG
-
PHONES
DISPLAY
LEVEL
QUICK REPLAY
POWER ON/OFF
CD PLAYER CD7300
1
23456789
0
/
TIMER
DISC
TEXT
1 2
3 4
5 6
7 8
9 10
11 1213 14
15 16
17 1819 20
TTL
TRK
INDX
TTL
TIME
MP3
RNDM
PROG
A Ð B
RPT
1
S.PLAY
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.
030307MIT
SUPERSCOPE TECHNOLOGIES, INC.
USA
MARANTZ AMERICA, INC
1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143
USA
PHONE : 630 - 741 - 0300
FAX
: 630 - 741 - 0301
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
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 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2507844
FAX
: +31 - 40 - 2507860
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
QualiFi Pty Ltd,
24 LIONEL ROAD,
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - (0)3 - 9543 - 1522
FAX
: +61 - (0)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 - 21457677
FAX
: +60 3 - 21458180
AMERICAS
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 DISTRIBUTION PTE LTD
130 JOO SENG ROAD
#03-02 OLIVINE BUILDING
SINGAPORE 368357
PHONE : +65 6858 5535 / +65 6381 8621
FAX
: +65 6858 6078
1
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
Emergency Eject
1.
To open the stucked tray, insert a pin into the eject pinhole and push
the eject lever.
2.
Use a pin
4mm or less.
2. SERVICE PROCEDURE
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.
3
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