This service manual provides comprehensive technical information for the Kenwood KTS MP400MR CD receiver, a car audio component. It is designed to assist technicians and individuals with advanced technical knowledge in understanding the receiver's internal workings, performing repairs, and conducting maintenance procedures. The manual covers various aspects of the receiver, including its electrical schematics, wiring diagrams, component specifications, troubleshooting guides, and detailed instructions for disassembling and reassembling the device. With this service manual, you can gain the expertise required to diagnose problems, replace faulty components, and ensure your Kenwood KTS MP400MR CD receiver operates optimally.