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DJ MODE
REPEAT
SCROLL
DISPLAY
SHUFFLE
PROG
STANDBY
ON/OFF
CD RECORDER DR4050
OPEN/CLOSE
PHONES
PLAY/PAUSE
OPEN/CLOSE
STOP
STOP
REC TYPE
PLAY/PAUSE
REC
FINALIZE
ERASE
SOURCE
CD-R
CD
EASY JOG
PUSH ENTER
/DELETE
CANCEL
+
­
/MENU
STORE
Service
Manual
Please use this service manual with referring to the user guide (D.F.U) without fail.
435W855010 AO
3120 785 22470
First Issue:2000.12
DR4050/F1N, /N1G, /N1B, /U1B
CD Recorder
DR4050
Printed in Japan
TABLE OF CONTENTS
1.
TECHNICAL SPECIFICATIONS ............................................................................. 1
2.
WARNINGS AND SERVICING HINTS ................................................................... 2
3.
MECHANICAL INSTRUCTIONS ............................................................................. 5
4.
ELECTRICAL AND CIRCUIT DIAGRAMS ............................................................ 10
5.
DIAGNOSTIC SOFTWARE .................................................................................. 25
6.
FAULTFINDING TREES ....................................................................................... 29
7.
FAULTFINDING GUIDE ........................................................................................ 35
8.
LIST OF ADDREVIATIONS ................................................................................... 51
9.
ELECTRICAL PARTS LIST ................................................................................... 57
REMARK : This service manual explains them by extracting specifications
designed for the model DR4050 only. The explanation for CD-R module
(Loader : CDL4009' + CD-R Main board) is not mentioned on this service
manual.
The CD-R module information is described in the service manual of CD-R
modules < 2nd line Service Manual : 3104 125 40110 >.
DR4050


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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.
001120 A.O
USA
MARANTZ AMERICA, INC
MARANTZ AMERICA, INC.
440 MEDINAH ROAD
ROSELLE, ILLINOIS 60172
USA
PHONE : 630 - 307 - 3100
FAX
: 630 - 307 - 2687
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 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
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 - 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 DISTRIBUTION PTE LTD
130 JOO SENG ROAD
#03-02 OLIVINE BUILDING
SINGAPORE 368357
PHONE : +65 858 5535 / +65 381 8621
FAX
: +65 858 6078


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GB 1
1.
1.
Technical Specifications
1.1
General
Mains voltage
: 220 - 240V/60Hz (/N1B,/N1G)
: 100V/50-60Hz
: 120V/60Hz
(/U1B)
Power consumption
: 20W
1.2
Input/output
1.2.1
Line output (CDR & CD)
Output level\
: 2Vrms at 0dB
Output resistance
: 200
1.2.2
Line input
Input sensitivity
: 500mVrms
Input impedance
: 50k
Max. input voltage
: 2.5Vrms
1.2.3
Digital output (CDR & CD)
Format
: AES/EBU format
according IEC958
(consumer format)
Sampling frequency
: 44.1kHz
Output resistance
: 75
1.2.4
Digital input
Format
: AES/EBU format
according IEC958
(consumer format)
Sampling frequency
: 32 to 48kHz
Input resistance
: 75
1.2.5
Optical input
Format
: AES/EBU format
according IEC958
(consumer format)
Sampling frequency
: 32 to 48kHz
1.3
Audio performance
1.3.1
Cinch analog output (CDR play-back)
Output voltage
: 2Vrms
2dB (0dB
signal)
Frequency range F.R.
: 20Hz < F.R.< 20kHz
Amplitude linearity
:
0.3dB (typical
0.1dB)
Channel unbalance
: < 0.3dB at 1kHz
(typical
0.2dB)
Output resistance
: 200
Phase non-linearity
: < 0.2 deg at 1kHz
Outband attenuation
: 50dB above 30kHz
Channel separation
: > 90dB at 1kHz
(typical 110dB),
>85dB between 20Hz
and 20kHz (typical >93dB)
S/N-ratio A-weighted
: > 98dB (typical 100dB)
S/N-ratio unweighted
: > 95dB (typical 98dB)
Dynamic range
: > 92dB at 1kHz
(typical 96dB), > 90dB
between 20Hz and
20kHz (typical 96dB)
THD+N
: >85dB between 20Hz
and 20kHz (typical 91dB)
1.3.2
Cinch analog input/output (monitor path CDR)
Measured with Audio precision system one.
Input voltage is 1Vrms.
Output voltage
: 2Vrms
2dB (0dB signal)
Frequency range F.R.
: 20Hz < F.R.< 20kHz
Amplitude linearity
:
0.3dB (typical
0.1dB)
Channel unbalance
: < 0.3dB at 1kHz
(typical
0.2dB)
Output resistance
: 200
Phase non-linearity
: < 0.2 deg at 1kHz
Outband attenuation
: 50dB above 30kHz
Channel separation
: > 90dB at 1kHz
(typical 98dB), > 85dB
between 20Hz and
20kHz (typical >92dB)
S/N-ratio A-weighted
: > 90dB (typical 88dB)
Dynamic range
: > 85dB at 1kHz
(typical 90dB)
THD+N
: > 80dB between 20Hz
and 20kHz (typical 82dB)
Intermodulation THD
: > 80dB
1.3.3
Cinch analog output (CD play-back)
Output voltage
: 2Vrms
2dB (0dB
signal)
Frequency range F.R.
: 20Hz < F.R.< 20kHz
Amplitude linearity
:
0.3dB (typical
0.1dB)
Channel unbalance
: < 0.3dB at 1kHz
(typical
0.2dB)
Output resistance
: 200
Phase non-linearity
: < 0.2 deg at 1kHz
Outband attenuation
: 50dB above 30kHz
Channel separation
: > 90dB at 1kHz
(typical 100dB),
>85dB between 20Hz
and 20kHz (typical
>93dB)
S/N-ratio A-weighted
: > 98dB (typical
100dB)
S/N-ratio unweighted
: > 94dB (typical 98dB)
Dynamic range
: > 92dB at 1kHz
(typical 96dB), > 90dB
between 20Hz and
20kHz (typical 96dB)
THD+N
: > 82dB between 20Hz
and 20kHz (typical
85dB)
1.3.4
Headphone output (all functions)
Output voltage
: 3Vrms (0dB)/8-2000
S/N
: > 80dB
THD+N
: > 78dB
Channel separation
: > 60dB between 20Hz
and 20kHz
1.4
Laser device
Material
: GaAlAs
Wave length
: between 780 and
C)
Laser output
: 1mW max. during
reading, 20mW max.
during writing
Class
:
3B
1.5
Dimensions and weight
Number and height of feet
: 4x13mm foiled
Apparatus tray closed (WxDxH)
: 440x305x75mm
(without feet)
Weight without packaging
: 3.8kg
Weight with packaging
: 6.0kg
800nm (at 25
(/F1N)


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GB 2
2.
2.
Warnings and Servicing Hints
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 return to user/customer.
Ref.UL Standard NO.1492.
NOTE ON SAFETY:
Symbol
: Fire or electrical shock hazard. Only original parts should be used to replace any part with symbol
Any other component substitution(other than original type), may increase risk or fire or electrical shock hazard.
F
ATTENTION
Tous les IC et beaucoup d'autres semi-
conducteurs sont sensibles aux décharges
statiques (ESD).
Leur longévité pourrait être considérablement
écourtée par le fait qu'aucune précaution
n'est prise a leur manipulation.
Lors de réparations, s'assurer de bien être
relié au même potentiel que la masse de
l'appareil et enfiler le bracelet serti d'une
résistance de sécurité.
Veiller a ce que les composants ainsi que les
outils que l'on utilise soient également a ce
potentiel.
D
WARNUNG
Alle IC und viele andere Halbleiter sind
empfindlich gegen elektrostatische
Entladungen (ESD).
Unsorgfältige Behandlung bei der Reparatur
kann die Lebensdauer drastisch vermindern.
Sorgen sie dafür, das Sie im Reparaturfall
über ein Pulsarmband mit Widerstand mit
dem Massepotential des Gerätes verbunden
sind.
Halten Sie Bauteile und Hilfsmittel ebenfalls
auf diesem Potential.
NL
WAARSCHUWING
Alle IC's en vele andere halfgeleiders zijn
gevoelig voor elektrostatische ontladingen
(ESD).
Onzorgvuldig behandelen tijdens reparatie
kan de levensduur drastisch doen
verminderen.
Zorg ervoor dat u tijdens reparatie via een
polsband met weerstand verbonden bent met
hetzelfde potentiaal als de massa van het
apparaat.
Houd componenten en hulpmiddelen ook op
ditzelfde potentiaal.
I
AVVERTIMENTO
Tutti IC e parecchi semi-conduttori sono
sensibili alle scariche statiche (ESD).
La loro longevita potrebbe essere fortemente
ridatta in caso di non osservazione della piu
grande cauzione alla loro manipolazione.
Durante le riparazioni occorre quindi essere
collegato allo stesso potenziale che quello
della massa dell'apparecchio tramite un
braccialetto a resistenza.
Assicurarsi che i componenti e anche gli
utensili con quali si lavora siano anche a
questo potenziale.
All ICs and many other semi-conductors are
susceptible to electrostatic discharges (ESD).
Careless handling during repair can reduce
life drastically.
When repairing, make sure that you are
connected with the same potential as the
mass of the set via a wrist wrap with
resistance.
Keep components and tools also at this
potential.
GB
WARNING
GB
Safety regulations require that the set be restored to its original condition
and that parts which are identical with those specified be used.
NL
Veiligheidsbepalingen vereisen, dat het apparaat in zijn oorspronkelijke
toestand wordt terug gebracht en dat onderdelen, identiek aan de
gespecifieerde worden toegepast.
D
Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu beachten.
Der Originalzustand des Gerats darf nicht verandert werden.
Fur Reparaturen sind Original-Ersatzteile zu verwenden.
I
Le norme di sicurezza esigono che l'apparecchio venga rimesso nelle
condizioni originali e che siano utilizzati pezzi di ricambiago idetici a quelli
specificati.
F
Les normes de sécurité exigent que l'appareil soit remis a l'état d'origine et
que soient utilisées les pièces de rechange identiques à celles spécifiées.
"Pour votre sécurité, ces documents
doivent être utilisés par des
spécialistes agrées, seuls habilités à
réparer votre appareil en panne."


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SERVICING HINTS
In the set, chip components have been applied. For disassembly and assembly check the figure below.
GB 3
2.