This service manual provides comprehensive information for the Yamaha RX-V670 audio-visual receiver. Engineered for exceptional audio performance and versatility, the RX-V670 delivers a robust 7.2 channel surround sound experience with 150W per channel at 8 ohms and 190W per channel at 6 ohms. It supports advanced audio decoding formats including Dolby TrueHD and DTS-HD Master Audio, and features HDMI 1.4a connectivity with six inputs and one output. Notable features such as Virtual Cinema Front, Cinema DSP, and YPAO technology enhance the immersive listening environment. Its network connectivity via Ethernet and USB port further expand its functionality, making it a powerful centerpiece for any home entertainment system.

This manual serves as an essential resource for owners, technicians, and service professionals. It details critical maintenance procedures, diagnostic troubleshooting steps, and technical specifications required to keep the Yamaha RX-V670 operating at peak performance. Coverage includes system diagrams, component identification, repair instructions, and safety precautions. By following the guidelines within this English-language service manual, users can ensure the longevity and optimal functionality of their audio-visual receiver, addressing potential issues and performing necessary upkeep with confidence and precision.