Hitachi, DVD Recorder, models:

DV-DS161E	Instruction Manual
DV-DS163A	Instruction Manual Specifications
DV-DS163E	Instruction Manual Service Manual
DV-DS253A	Specifications
DV-RF7U	Instruction Manual Service Manual
DV-RV8500E	Instruction Manual Service Manual
DV-RX5000U	Operating Instructions Manual
DV-RX7000E	Instruction Manual