hifi engine

Kenwood KDV-Z920, KDV-Z930, KDV-Z940 + KDV-Z960

Added the service manual (en) for the Kenwood KDV-Z920, KDV-Z960, KDV-Z940 and KDV-Z930 mobile DVD receivers. Thanks again to Ivy Caudieus

Kenwood KDV-Z920, KDV-Z930, KDV-Z940 + KDV-Z960