This comprehensive Onkyo DX-C400 Service Manual provides detailed technical information and repair procedures for the Onkyo DX-C400 audio equipment. It serves as a valuable resource for technicians and service professionals who require in-depth knowledge of the unit's internal components, circuit diagrams, troubleshooting steps, and repair techniques. The manual covers various aspects, including operational principles, component identification, adjustment procedures, fault diagnosis, and repair solutions. The clear and concise language, along with illustrative diagrams, ensures easy understanding and navigation, enabling efficient repair and maintenance of the Onkyo DX-C400.