I recently installed the Pyle PLBT72G single din in-dash dvd player with gps. The gps and all audio works, however, when trying to play any video from dvd and usb it only plays audio or once in awhile from usb it gives the error of "invalid key." I am easily able to remove the unit and check wiring connections. Anyone have any ideas?
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8/18/13 at 9:37pm