Panasonic Viera TH-50PZ85U Plasma TV "left 4 dead 2 game" Questions

...left it unplugged for about 4 hours. Later, I plugged it in again and this time it worked. I read somewhere on the web that turning the TV off and on over short periods will cause some of these ...

...left voice mail for me that Zenith would not honor the factory warranty. The estimate for repair from the authorized repair center was 1150.00-1250.00 with no guarantee! The parts alone were 674.61. ...