Marantz MAR775, MAR770, DR-6000 service manual Technical Specifications, General

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2 TECHNICAL SPECIFICATIONS

GENERAL

 

System

Compact disc digital audio

Number of channels

2 (stereo)

Applicable discs

CD, CD-R (digital audio), CD-RW (digital audio)

Power Requirement

 

F version

AC 100 V 50 / 60 Hz

K version

AC 110 V / 220 V 50 /60 Hz

N version

AC 230 V 50 Hz

U version

AC 120 V 60 Hz

Power Consumption

20 W

Operating Temperature

5 ° C - 35 ° C

Dimension (MAX)

 

Width

440 mm

Height

87 mm

Depth

317 mm

Weight

4.4 kg

AUDIO

 

Frequency Response

20 Hz - 20 kHz

Playback S/N

100 dB

Playback Dynamic Range

96 dB

Playback Total Harmonic Distortion

0.003 %

Recording S/N

90 dB

Recording Dynamic Range

92 dB

Recording Total Harmonic Distortion

0.006 %

Analog Output Voltage

2 V RMS

Digital Coaxial Output

0.5 V (p-p) / 75 ohms

Digital Optical Output

- 20 dB

Headphones

0 - 5 Vrms / 8 - 2000 ohms

Recording values for line input

 

Digital Coaxial Input (automatic sample rate conversion)

32 - 48 kHz

Digital Optical Input (automatic sample rate conversion)

32 - 48 kHz

Analog Input

600 mVrms / 50 kohms

Specifications subject to change without prior notice.

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Contents Service Manual Europe / Trading USABrazil AmericasPlayback & Recording and Disc This PCB contains the headphone socket CDR loader CDR main module CDL4009 or MAR770General Technical SpecificationsIII ESDService Hints Service Tools Status of player Dealer modeDealer diagnostics Software versions, test for defective components Electrical service diagnosticsMechanical service diagnostics Erasement of complete CD-RW DC-erase service modeCDR-Module Faultfinding treesCD-DA Disc Loaded CD R CD-RW Disc Loaded Wiring Power Supply Voltages Electrical Service DiagnosticsDisplay no CD RW+3V3 AT IC7000 Pins 5,17,21,57, Check Safety Resistors Check Flex Connection from CDR Main Board Power SupplyCD Module OPEN/CLOSECD Module Playback Description of display board Display BoardGeneral description Display controller TMP87C874FControl signals Clock signalTest instructions Supply voltagesEasy jog knob IR receiver remote controlRotary operation Push button operationClock Signal Display board troubleshooting guideControl Signals FTD Drive LinesDescription of P816 Power Supply Unit P816Description of controller MC44603 Pin connectionsVCC Pin function descriptionPin Name Operating description of MC44603 Block diagram of MC44603Start up sequence of P816 Regulation of P816Ch1 Drain voltage Ch2 Drain current Ch3 Gate voltage Circuit description of P816 CD Main Board Troubleshooting P816Measurements Block DiagramDescription Pin Configuration Ucoil Vcoil Wcoil Input conditions conn 1006 pin Outputs connTest points on driver Hallu Hallv HallwHF Path DC SettingsHfdet Setting Transfer CharacteristicsIIS CLK11 Nmute DAC Amplifier Pink Wiring Diagram10 D5V WC01at conn.1209 WC02at conn.1400 WY01at conn.F934of WY02 WY03 WY04 CDR main board12V CD W801at conn.1500CDR Main Board Block DiagramPY46 Schematic Diagram and Parts LocationQ810 Q801 Q891 Q871 Q825 Q861 Q862 Q851 Q892 Switching Power Supply PCB. P816QY01 QY02 QY04 QN54 QN53 QN58 QN57 Q311 Q681 QF52 QF51 QN52 QN51 QG56 QN55Exploded View and Parts List Not Standard Spear Parts PackingElectroly CAP Electrical Parts ListCeramic CAP P816-RESISTORS P816-POWER Circuit Board P816-CAPACITORSP816-SEMICONDUCTORS P816-MISCELLANEOUSPP16-RESISTOR PP16-REAR Panel Circuit Board PP16-CAPACITORSPP16-SEMICONDUCTORS PP16-MISCELLANEOUSPY36-ROTARY Encoder Circuit Board
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MAR770, MAR775, DR-6000 specifications

The Marantz DR-6050 and DR-6000 are revered components in the world of high-fidelity audio systems, reflecting the brand's long-standing commitment to quality and performance. These models have gained popularity among audiophiles for their comprehensive features and advanced technologies, which cater to both casual listeners and serious music enthusiasts.

The Marantz DR-6050 is a CD recorder and player that stands out with its dual functionality. It allows users to enjoy CDs while also having the capability to record directly from various sources, including analog inputs and digital connections. This functionality is essential for those who wish to preserve their vinyl records, cassettes, or other audio formats onto CD. The machine supports CD-R and CD-RW media, providing flexibility for repeated use and recording.

One of the standout technologies in the DR-6050 is its high-quality Digital-to-Analog Converter (DAC), which significantly enhances sound performance by converting digital signals to analog with incredible accuracy. This contributes to the unit's ability to reproduce audio with rich detail and clarity. Additionally, the recorder is equipped with a Microprocessor that ensures precise recording levels and optimizes the quality of the output.

On the other hand, the Marantz DR-6000 offers similar capabilities but with an emphasis on simplicity and ease of use. Designed for users who appreciate an intuitive interface, it features straightforward controls and an ergonomic design. The DR-6000 supports multiple recording formats, including standard audio CDs, making it versatile for various playback systems.

Both models are built with high-grade components that promise longevity and reliability. They feature robust construction, ensuring minimal vibration and interference to enhance playback quality. Integrated analog and digital inputs allow for diverse connectivity options, which is crucial for users with elaborate audio setups.

In terms of audio performance, both the DR-6050 and DR-6000 exhibit impressive frequency response and low distortion levels, characteristics that are vital for a satisfying listening experience. The devices also include features like playback speed control and disc finalization options, providing the user with complete control over their audio sessions.

The Marantz DR-6050 and DR-6000 are ultimate companions for those who appreciate high-quality sound and need versatile recording solutions. With their blend of advanced technologies, clear audio output, and user-friendly designs, they remain solid choices for anyone looking to enhance their audio collection and experience.