SONY RDR-HX780 160GB HDD DVD RECORDER.Very Low Hours of Use. Comes with. Original Remote Control HDMI & RCA Cables 5 New Blank DVDs. The small TV screen in the photos is not included in the sale. It is for demonstration purposes only. I am the original owner of this Sony RDR-HX780 160GB HDD DVD Recorder. RDR-HX780 DVD Recorder Operating Instructions. 2 WARNING To reduce the risk of fire or electric shock, do not expose this. You can also use the. A German RDR-HX780 should be the MRX-1735/EC1, which is an AEP1 RDR-HX780. To confirm this take a look at your remote control that came with your deck. I’m talking about the NORMAL remote, not the SERVICE remote. At the bottom it should have the # RMT-D250P – that is for a AEP1 RDR-HX780 that is sold in Germany.