This use to work back in the day. I'm not sure if it does anymore
Hard Reset: Press "Menu", "6", "3", then quickly, "Info", Right Arrow, Left Arrow (this should bring you to Memory Dump screen), "TV/Video". You will get a message saying "Non volatile memory is corrupted..." From there unplug for 10 seconds and plug back
Hard Reset: Press "Menu", "6", "3", then quickly, "Info", Right Arrow, Left Arrow (this should bring you to Memory Dump screen), "TV/Video". You will get a message saying "Non volatile memory is corrupted..." From there unplug for 10 seconds and plug back