This comprehensive service manual for the Yamaha RX-V461DAB AV receiver provides in-depth technical information and repair procedures for service personnel. It covers a range of topics, including detailed diagrams and instructions for the front and rear panels, remote control panel disassembly, and thorough specifications of the receiver's technical features. The manual includes a detailed internal view for visual understanding of the receiver's components and a step-by-step guide for disassembly procedures, ensuring a safe and effective approach to repairs. The manual also offers guidance on updating the receiver's firmware, enabling technicians to maintain the latest software for optimal performance. Additionally, it outlines the self-diagnosis function (DIAG), a valuable tool for troubleshooting and identifying potential issues. This service manual is an indispensable resource for qualified technicians seeking to understand, maintain, and repair the Yamaha RX-V461DAB AV receiver.