The Integra DTR-80.2B is an advanced AV Receiver designed for high-fidelity audio and video reproduction. Engineered by Onkyo Corporation, this unit offers robust performance and a comprehensive suite of features for an immersive home entertainment experience. Its sophisticated audio processing capabilities support formats such as Dolby TrueHD, DTS-HD Master Audio, Dolby Atmos, and DTS:X, while its video processing handles 4K and HDR content, including HDR10 and Dolby Vision. The receiver is equipped with a wide array of connectivity options, including HDMI, USB, Ethernet, optical, coaxial, and analog audio/video interfaces, ensuring compatibility with a broad range of source devices and displays.

This Service Repair Manual provides detailed technical information and procedures essential for the maintenance and repair of the Integra DTR-80.2B AV Receiver. It covers critical aspects such as internal component access, troubleshooting common issues related to signal processing, power supply, and network connectivity, and outlines recommended maintenance procedures including cleaning and component replacement. The manual also includes guidance on diagnostic tools, calibration processes for optimal audio performance, and firmware update procedures. With the inclusion of schematic diagrams, this document serves as an indispensable resource for technicians and owners seeking to ensure the longevity and optimal functionality of their device.