🏷️ Basic Information Identification Make: Yamaha Model: RX-V690 Year: Unknown Generation: Unknown 📋 Manual Details Documentation Manual Type: Service Manual Language: English Format: PDF Availability: Downloadable 📄 Technical Highlights Audio Features Channels: 7.1 Channel Surround Sound Formats: DTS-ES, Dolby Digital EX, Dolby Pro Logic II Digital Sound Processing: Yamaha DSP Bass Management: Adjustable Crossover Connectivity Hdmi Ports: Multiple Input/Output Optical Inputs: Yes Coaxial Inputs: Yes Power Power Output Per Channel: 100W (at 8 ohms) Frequency Response: 10Hz-100kHz Control Remote Control: Included Calibration Auto Calibration: Yes (YPAO) Video Processing Video Upscaling: Yes