🏷️ Basic Information Identification Make: Yamaha Model: R-V701 / RX-V490 Year: Not Specified Generation: Not Specified 📋 Manual Details Description Manual Type: Service Manual Language: English Format: PDF Availability: Downloadable Content Primary Focus: Repair and Servicing Intended Audience: Technicians and Advanced Users Included Sections: Block Diagrams, Schematics, Troubleshooting, Repair Procedures ⚙️ Engine Specifications Power Supply Power Source: AC Mains Voltage Requirements: 120V / 240V AC (Region Dependent) Power Consumption: Not Specified 🔧 Transmission Control Control Type: Electronic Signal Processing Audio Decoding: Surround Sound Formats (Dolby Digital, DTS) 📐 Dimensions Physical Width: 435 mm Height: 151 mm Depth: 392 mm Weight: 10.2 kg 🔧 Maintenance Cleaning Cleaning Instructions: Dry cloth, avoid liquids Troubleshooting Common Issues: Power, audio output, input selection Diagnostics Diagnostic Tools: Internal test modes, component testing Replacements Fuse Replacement: Refer to manual for specifications Software Firmware Updates: Not user-updatable (typically)