This comprehensive service manual provides detailed technical information for the Yamaha RX-V465, HTR-6240, and AX-V465 AV receivers and amplifiers. The manual encompasses a wide range of technical details including schematics, block diagrams, component layouts, repair procedures, troubleshooting guides, and adjustment instructions. This valuable resource empowers technicians to diagnose and resolve issues effectively, ensuring optimal performance for these Yamaha audio devices.