Marantz DR-6000, MAR770, MAR775 service manual Wiring Diagram, Pink

Page 34

9. WIRING DIAGRAM

DISMOUNTING ADDITIONAL CABLES

W651

+ side 2430

+ side 2424

De-soldering and remove cables W651 from the loader PCB.

REMARK When replace the CDR module MAR775 to the new one. It is necessary to add removed cables at same positions as follows;

WHITE ....

+ side lead of capacitor 2424

PINK

+ side lead of capacitor 2430

32

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Contents Service Manual Brazil USAEurope / Trading AmericasPlayback & Recording and Disc CDR loader CDR main module CDL4009 or MAR770 This PCB contains the headphone socketTechnical Specifications GeneralESD IIIService Hints Service Tools Dealer diagnostics Dealer modeStatus of player Electrical service diagnostics Software versions, test for defective componentsMechanical service diagnostics DC-erase service mode Erasement of complete CD-RWFaultfinding trees CDR-ModuleCD-DA Disc Loaded CD R Display no Wiring Power Supply Voltages Electrical Service DiagnosticsCD-RW Disc Loaded CD RWCD Module Check Flex Connection from CDR Main Board Power Supply+3V3 AT IC7000 Pins 5,17,21,57, Check Safety Resistors OPEN/CLOSECD Module Playback General description Display BoardDescription of display board Display controller TMP87C874FTest instructions Clock signalControl signals Supply voltagesRotary operation IR receiver remote controlEasy jog knob Push button operationControl Signals Display board troubleshooting guideClock Signal FTD Drive LinesDescription of controller MC44603 Power Supply Unit P816Description of P816 Pin connectionsPin Name Pin function descriptionVCC Start up sequence of P816 Block diagram of MC44603Operating description of MC44603 Regulation of P816Ch1 Drain voltage Ch2 Drain current Ch3 Gate voltage Circuit description of P816 Troubleshooting P816 CD Main BoardDescription Block DiagramMeasurements Pin Configuration Test points on driver Input conditions conn 1006 pin Outputs connUcoil Vcoil Wcoil Hallu Hallv HallwDC Settings HF PathTransfer Characteristics Hfdet SettingIIS CLK11 Nmute DAC Amplifier Wiring Diagram Pink12V CD WY01at conn.F934of WY02 WY03 WY04 CDR main board10 D5V WC01at conn.1209 WC02at conn.1400 W801at conn.1500Block Diagram CDR Main BoardSchematic Diagram and Parts Location PY46Switching Power Supply PCB. P816 Q810 Q801 Q891 Q871 Q825 Q861 Q862 Q851 Q892QN54 QN53 QN58 QN57 Q311 Q681 QF52 QF51 QN52 QN51 QG56 QN55 QY01 QY02 QY04Exploded View and Parts List Packing Not Standard Spear PartsCeramic CAP Electrical Parts ListElectroly CAP P816-SEMICONDUCTORS P816-POWER Circuit Board P816-CAPACITORSP816-RESISTORS P816-MISCELLANEOUSPP16-SEMICONDUCTORS PP16-REAR Panel Circuit Board PP16-CAPACITORSPP16-RESISTOR 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.
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