This comprehensive service manual provides detailed technical information for the Onkyo DX-7110 and DX-7210 audio equipment. It offers detailed schematics, block diagrams, parts lists, and troubleshooting guides, allowing technicians to diagnose and repair a wide range of issues. The manual covers all aspects of the equipment's operation, including power supply, audio circuitry, amplifier modules, and user interface. Whether you are a professional technician or a skilled DIY enthusiast, this service manual empowers you with the necessary knowledge and instructions to effectively maintain and repair your Onkyo DX-7110 and DX-7210 devices, ensuring their optimal performance and longevity.