This service manual covers the Yamaha RX-V671 AV Receiver, also identified as the HTR-6064 or RX-A710. This receiver is engineered for a premium home theater experience, featuring 7.1 channel surround sound, support for Dolby TrueHD and DTS-HD Master Audio, and advanced video processing with 1080p upscaling. Connectivity is robust, offering four HDMI inputs with 3D and ARC support, a USB port, and Ethernet for network capabilities. Its powerful 100W per channel output ensures dynamic audio performance.

This English-language service manual provides comprehensive guidance for service personnel. It details front and rear panel layouts, remote control functions, and essential technical specifications, including frequency response, signal-to-noise ratio, and dimensions. Key sections cover service precautions, disassembly procedures, and firmware updates, enabling thorough maintenance and repair. The manual is designed to assist technicians in understanding and servicing the unit effectively.