This document is a service manual for the Marantz SR6009 AV Surround Receiver, models /U1B/N1B/N1SG/K1B. It provides comprehensive information for servicing, including technical specifications, disassembly procedures, special modes, firmware updates, adjustments, troubleshooting, and schematic diagrams.
Function Description:
The Marantz SR6009 is a 7.2-channel AV Surround Receiver designed to deliver high-quality audio and video performance. It features a robust power amplifier, extensive analog and digital audio sections, and advanced video processing capabilities. The receiver supports various surround sound modes and parameters, allowing users to customize their listening experience. Network connectivity, Bluetooth, and USB playback are integrated for versatile media access.
Important Technical Specifications:
- Power Amplifier:
- Rated Output (Front): 110W + 110W (8Ω, 20Hz - 20kHz, 0.08% T.H.D.), 150W + 150W (6Ω, 1kHz, 0.7% T.H.D.).
- Rated Output (Center, Surround, Surround Back): 110W (8Ω, 20Hz - 20kHz, 0.08% T.H.D.), 150W (6Ω, 1kHz, 0.7% T.H.D.).
- Output Connectors: 4 - 16Ω.
- Analog Section:
- Input Sensitivity/Impedance: 200 mV/47 kΩ.
- Frequency Response: 10 Hz - 100 kHz (+1, -3 dB, Direct mode).
- S/N: 100 dB (IHF-A weighted, Direct mode).
- Distortion: 0.005% (20 Hz – 20 kHz, Direct mode).
- Rated Output: 1.2 V.
- Digital Section:
- D/A Output: Rated Output – 2 V (at 0 dB playback).
- Total Harmonic Distortion: 0.008% (1 kHz, at 0 dB).
- S/N Ratio: 102 dB.
- Dynamic Range: 100 dB.
- Digital Input Format: Digital audio interface.
- Phono Equalizer:
- Input Sensitivity: 2.5 mV.
- RIAA Deviation: ±1 dB (20 Hz to 20 kHz).
- S/N: 74 dB (IHF-A).
- Distortion Factor: 0.03% (1 kHz, 3 V).
- Video Section:
- Standard Video Connectors Input/Output Level and Impedance: 1 Vp-p, 75 Ω.
- Standard Video Frequency Response: 5 Hz - 10 MHz (0, -3 dB).
- Color Component Video Connectors Input/Output Level and Impedance: Y signal – 1 Vp-p, 75 Ω; PB/CB signal – 0.7 Vp-p, 75 Ω; PR/CR signal – 0.7 Vp-p, 75 Ω.
- Color Component Video Frequency Response: 5 Hz - 60 MHz (0, -3 dB).
- Tuner Section:
- Reception Frequency Range: FM 87.5 MHz - 107.9 MHz (E3), FM 87.5 MHz - 108.0 MHz (E2, E1C); AM 520 kHz - 1710 kHz (E3), AM 522 kHz - 1611 kHz (E2, E1C).
- Effective Sensitivity: FM 1.2μV (12.8dBf); AM 18 μV.
- 50 dB Sensitivity: MONO – 2.8 μV (20.2 dBf).
- S/N: MONO – 70 dB (IHF-A weighted, Direct mode); STEREO – 67 dB (IHF-A weighted, Direct mode).
- Distortion: MONO – 0.7% (1 kHz); STEREO – 1.0% (1 kHz).
- Wireless LAN Section:
- Network Type: Conforming to Wi-Fi®z1.
- Security: WEP 64 bit, WEP 128 bit, WPA/WPA2-PSK (AES), WPA/WPA2-PSK (TKIP).
- Radio Frequency: 2.4 GHz.
- No. of Channels: 1 - 11 ch (E3), 1 - 13 ch (E2, E1C).
- Bluetooth Section:
- Communications System: Bluetooth Version 2.1 + EDR (Enhanced Data Rate).
- Transmission Power: Maximum 2.5 mW (Class 2).
- Maximum Communication Range: Approx. 32.8 ft/10 m in line of sight.
- Frequency Band: 2.4 GHz band.
- Modulation Scheme: FHSS (Frequency-Hopping Spread Spectrum).
- Supported Profiles: A2DP 1.2 (Advanced Audio Distribution Profile), AVRCP 1.4 (Audio Video Remote Control Profile).
- Corresponding Codec: SBC, AAC.
- Transmission Range (A2DP): 20 Hz - 20,000 Hz.
- General:
- Power Supply: AC 120 V, 60 Hz (E3); AC 230 V, 50 Hz / 60Hz (E2); AC 220 V, 50 Hz (E1C).
- Power Consumption: 650W.
- Power Consumption in Standby Mode: 0.2W.
- Power Consumption in CEC Standby Mode: 0.5W.
- Power Consumption in Network Standby Mode: 2.7W.
- Dimensions: Unit: in. (mm). Weight: 25 lb 2 oz (11.4 kg).
Usage Features:
- Surround Modes and Parameters: The receiver offers a variety of surround modes, including Direct/Pure Direct, Stereo, Multi Ch In, Dolby Pro Logic, DTS Neo:X, Audyssey DSX®, Dolby Digital, Dolby TrueHD, DTS Surround, and Multi Ch Stereo. Users can adjust parameters like Dialog Level, Subwoofer Level, Cinema EQ, Loudness Management, Dynamic Compression, Low Frequency Effects, and Height Gain to fine-tune their audio experience.
- Input Signal Types: The receiver supports a wide range of input signals, including Analog, PCM, Dolby Digital, DTS, and DSD (Super Audio CD), with corresponding sound modes.
- Special Modes: The manual details several special modes for configuration and diagnostics:
- Version Display Mode: Displays firmware versions for u-COM, DSP, Audio PLD, Video PLD, GUI SFLASH, Ethernet, and Bluetooth, along with any error information.
- Panel / Remote Lock Selection Mode: Allows enabling or disabling operations from the front panel buttons and the remote control.
- Selection Modes for Service-related Operations: Provides access to diagnostic mode (service path check), protection history display, and 232C standby clear mode.
- Protection Pass Mode: Enables the unit to power on without activating protection circuits, useful for troubleshooting.
- CX870 / CY920 Reboot Mode: Restarts the CX870 / CY920 module in case of hangup, even in network standby.
- CX870 / CY920 Initialization Mode: Initializes various settings related to network features, such as Favorites, Quick Select, Presets, Internet Radio Recently Played, Flickr contacts, User ID, and Resume Playback station.
- Forced USB All Device Write Mode: Forces the unit into USB update mode for recovery purposes.
Maintenance Features:
- Initializing the Unit: A procedure is provided to initialize the unit to factory settings, which is necessary after replacing the microcomputer or digital PCB.
- Disassembly Procedures: Detailed, step-by-step instructions with explanatory photos are included for disassembling the front panel assembly, radiator assembly, digital PCB, video PCB, input PCB, SPK PCB, SMPS PCB, and transformer power.
- Firmware Update Procedure: Instructions are given for updating firmware via USB memory or DPMS (Marantz Product Management Server), including file structure, connection, and error codes.
- Adjustments: The manual outlines the procedure for adjusting the idling current of the power amplifier, ensuring optimal performance.
- Troubleshooting: Comprehensive flowcharts are provided for diagnosing and resolving common issues related to power, analog video, HDMI/DVI, audio, network/Bluetooth/USB, and SMPS. These include checks for fuses, power supply voltages, signal paths, and component failures.
- Service Jigs: Specific extension cable kits (8U-110084S and 8U-110136S) are recommended for repairing PCBs, with instructions on how to connect them to the digital PCB.
- Safety Precautions: Emphasizes critical safety measures during service, including leakage current checks, electric shock prevention, careful disassembly/assembly, use of designated parts, and proper wire arrangement.
- Handling Semi-Conductors and Optical Unit: Provides instructions on grounding for human body and workbench to prevent electrostatic breakdown.
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