This service manual covers the Yamaha RX-V459, HTR-5940, DSP-AX459, and HTR-5935 audio/visual receivers. These home theater receivers are engineered to deliver robust audio performance, featuring multiple DSP modes and support for advanced surround sound formats like Dolby Digital EX and DTS-ES. With approximate power output of 100W per channel and versatile connectivity options including HDMI, optical, coaxial, and analog inputs, these units are designed for comprehensive home entertainment systems. Their reliable construction and advanced processing capabilities ensure an immersive audio experience for users.

The purpose of this English-language service manual is to provide comprehensive technical information for the maintenance, diagnosis, and repair of these Yamaha receivers. It includes detailed step-by-step service procedures, schematics, and parts lists to assist technicians and owners in resolving common issues related to power, audio, video signals, display, and remote control functionality. Furthermore, the manual offers setup guidelines for speaker configuration and initial system calibration, ensuring optimal performance and longevity of the equipment.