This service manual covers the Yamaha RX-V861, HTR-6080, DSP-AX861SE, and DSP-AX861 audio-visual receivers. These models represent Yamaha's commitment to high-fidelity audio reproduction and advanced home theater integration, designed for discerning users seeking exceptional sound quality and robust performance. Their engineering focuses on delivering a superior listening and viewing experience through sophisticated processing and reliable operation.

The purpose of this manual is to provide comprehensive technical information for servicing these receivers. It details front and rear panel layouts, remote control functions, and extensive specifications. Furthermore, it includes critical information on disassembly procedures, firmware updating, and the self-diagnosis function. This guide is an essential resource for service personnel, enabling efficient and accurate maintenance and repair to ensure optimal functionality.