I have this Magnavox MDR557h/F7 DVD recorder with 1TB hard disk, it is suddenly not powering on at all from Remote control or Power button on the unit. It seems completely dead. Only thing it shows is LED showing current time. But I do hear some kind of tick sound coming from the unit every 5...

I recently bought the MDR557H from Amazon. Connected it to my Comcast CATV converter and the screen images are now fuzzy. Tried various cable types: RCA and HDMI, but neither equal the video quality before the device was inline. The converter is a Motorola DCT2244/1661/ACDEFG. Would it be worth...