This manual pertains to the JVC KD-DV6404UI Car Audio/Video Receiver, along with its associated models KD-DV6405U, KD-DV6405UN, KD-DV6405UT, KD-DV6405A, KD-DV6406U, KD-DV6406UN, KD-DV6406UT, and KD-DV6406A. Designed for automotive entertainment, this unit offers a range of features including support for DVD and CD playback, MP3, WMA, and WAV audio formats, and a USB interface. Its standard Single-DIN dimensions ensure compatibility with most vehicle dashboards. The engineering behind this receiver focuses on providing a robust and versatile audio-visual experience for drivers and passengers.

The purpose of this document is to provide comprehensive schematic diagrams for the JVC KD-DV6404UI and its related models. It serves as an essential technical resource for understanding the internal workings of the unit, aiding in diagnostics, repair, and maintenance. Technicians and advanced users will find detailed information to troubleshoot issues and ensure the optimal performance of the car audio/video receiver. The schematic diagrams are crucial for anyone involved in the servicing and upkeep of this particular JVC product.