This comprehensive service manual provides detailed information and instructions for servicing Yamaha RX-V673, HTR-6065, and RX-A720 AV receivers. It offers a thorough understanding of the internal workings of these devices, enabling technicians to perform effective repairs and maintenance. The manual covers a wide range of topics, including detailed diagrams of the front and rear panels, comprehensive remote control panel instructions, complete specifications, an insightful internal view, essential service precautions, step-by-step disassembly procedures, guidance on updating firmware, and a comprehensive self-diagnosis section. With this manual, service personnel can confidently approach any repair or maintenance task, ensuring optimal performance and longevity of these AV receivers.

The Yamaha RX-V673, HTR-6065, and RX-A720 are high-performance AV receivers designed for delivering immersive home theater experiences. These models represent Yamaha's commitment to audio fidelity and advanced features, catering to discerning audiophiles and movie enthusiasts alike. The RX-V673 and HTR-6065 boast a powerful 7.2-channel configuration, capable of driving a wide range of speakers for a captivating surround sound experience. The RX-A720, on the other hand, steps up the game with a 9.2-channel configuration, offering even greater flexibility and immersive audio capabilities. All three models feature advanced audio decoding technologies, including Dolby Atmos and DTS:X, ensuring that users can enjoy the latest cinematic audio formats with breathtaking clarity and depth. Beyond their impressive audio capabilities, these AV receivers offer a comprehensive suite of features designed to enhance the home theater experience. They include HDMI inputs with support for 4K Ultra HD video pass-through and HDCP 2.2, allowing users to seamlessly connect high-resolution displays and gaming consoles. These models also incorporate advanced video processing technologies, including scaling and upscaling capabilities, ensuring that content is displayed at its best possible quality. Furthermore, the receivers boast comprehensive connectivity options, including Ethernet ports, Bluetooth, and Wi-Fi, enabling users to stream audio from various sources and utilize network-based services like music streaming and internet radio. With their combination of powerful audio performance, advanced features, and user-friendly design, the Yamaha RX-V673, HTR-6065, and RX-A720 AV receivers stand as formidable choices for creating a truly immersive and captivating home theater experience.