This service manual provides comprehensive technical information for the Yamaha RX-V367/HTR-3063 AV Receiver. It includes detailed diagrams and instructions for service personnel, covering everything from front and rear panel layouts, as well as remote control panel information, to internal views and disassembly procedures. This manual equips technicians with the knowledge needed to diagnose and repair any issues related to the receiver, including specifications, firmware updates, self-diagnostic functions, and display data interpretations.