RCA D52W20 52" Rear Projection HDTV-Ready Television "stay few seconds shuts" Questions

Mitsubishi VS-50111 Tv does not stay on.Turn Tv on and shuts off after a few seconds. Mitsubishi VS-50111 Tv does not stay on.Turn Tv on and shuts off after a few seconds.

...OFF AFTER A FEW SECONDS. i CAN TURN BACK ON IF i WAIT FOR A MINUTE OR SO, BUT IT ONLY STAYS ON FOR A FEW SECONDS AND THEN SHUTS OFF AGAIN. im having same problem but no one seems to have a

...stay on It had colored lines show across the screen then shut down. When I try to turn it on, the green light stays on for a few seconds then shuts off. Its a color convergence problem from ...

...few seconds later the sound shuts off. Then three lights flash simultaneously on the on/off button. They read Timer, Lamp and something in red that says ''Standyby/temp'' The television only stays on ...

the tv shut off one day and now when i turn it on it only stays on for a few seconds then shuts off again may b the sleep mode is on try to turn this setting off

...on and we checked air vents. Could this be a lamp problem as the TV shuts down in a few seconds after the message comes up to check air flow which we did. Thank you check that the lamp fan is ...

...stay on by unplugging it and plugging it back in. sometimes it will turn on for a few seconds with a blu screen then shut off within seconds. sometimes as soon as I plug it in it will turn on and ...

...stay on I was watching it last night and the screen started to jump around so i turned it off for a few min and turned it back on and it jumped around somemore but worse this time so i turned it off ...

...ON THE PROCESS START OVER AGAIN CUTTING OFF FOR NO REASON ...

...few seconds then shuts off Need help Thanks MY FRIEND YOU HAVE A POWER SUPPLY PROBLEM AND MAYBE THE CONVERGENCE IC'S ARE BAD.THERE ARE A FEW TRANSISTOR IN THE POWER SUPPLY THAT HAVE TO BE REPLACED ...