Marantz DR 4050 Service Manual

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Marantz DR 4050 Service Manual

Extracted text from Marantz DR 4050 Service Manual (Ocr-read)


Page 1

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, LTD558 DARLING STREET, BALMAIN, NSW 2041, AUSTRALIA PHONE : 61 - 2 - 9810 - 5300 FAX : 61 - 2 - 9810 - 5355 CANADALENBROOK INDUSTRIES LIMITED633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1 CANADA PHONE : 905 - 831 - 6333 FAX : 905 - 831 - 6936 AUSTRALIAQualiFi Pty Ltd,24 LIONEL ROAD, MT. WAVERLEY VIC 3149 AUSTRALIA PHONE : +61 - (0)3 - 9543 - 1522 FAX : +61 - (0)3 - 9543 - 3677 NEW ZEALANDWILDASH AUDIO SYSTEMS NZ14 MALVERN ROAD MT ALBERT AUCKLAND NEW ZEALAND PHONE : +64 - 9 - 8451958 FAX : +64 - 9 - 8463554 THAILAND MRZ STANDARD CO.,LTD746 - 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 LTD130 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 : 200½ 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 34 6. Figure 6-6 CD MODULE PLAYBACK PRESS AUDIO? DAC 7309 TESTPOINTS 20, 21, 22 : I2 S AT INPUT OF DAC 7309 CHECK POWER SUPPLY PINS 4, 13 CHECK CLK11 AT PIN 6 : 11.2896MHz PIN 11 : MUTE HIGH? TESTPOINTS 23, 24 : ANALOG OUTPUT? REPLACE DAC 7309 OPAMP 7120 TESTPOINTS 23, 24 : ANALOG OUTPUT? POWER SUPPLY: PIN 8 12V REPLACE OPAMP 7120 NO YES PLAYBACK CD MODULE OK DISTORTION? NO YES NO DAC 7309 OPAMP 7120 AUDIO CD OUT PCB? YES FLEX TO CDR MAINBOARD FLEX TO CD OUT BOARD CHECK I/O BOARD, CD OUT BOARD CL 96532086_031.eps 080999