Mitsubishi WD-Y57 57" Projection HDTV "comes 5 seconds shuts" Questions

...AND THE TIMER LIGHT STARTED BLINKING. TRIED RESET AND STILL NOTHING. THE TV WILL NOT COME ON. PLEASE HELP If your set is like mine hold menu & device for 5 seconds and you will get an error

...comes on again. Any ideas? There is a list of things you need to check, but offhand I'd say that the 5 volt line is low and probably right on the"edge", which is why it works sometimes and not others ...

5 seconds, 12 and 5 volt supplies are good. Suspect the Lamp Power PCB (ballast) part # 939P978010 7. Lamp enable line at connector J14 pin 6 on the Engine Driver PCB switches to 5 volts after turn on

...5 years in the exact same spot. Over the last two months there has been a meesage that says, "the tv will shut off in the next few seconds. please check the airflow is not being obstructed." Once it ...

5 seconds, 12 and 5 volt supplies are good. Suspect the Lamp Power PCB (ballast) part # 939P978010 7. Lamp enable line at connector J14 pin 6 on the Engine Driver PCB switches to 5 volts after turn on

...shuts down after initial power up. Wait 5 minutes and turn back on, then the TV usually works properly. However occasionally I will have to go through this shut down, power up process several times ...

...5 seconds. The Power light will start to flash in a two digit sequence. For example, 3 flashes, then 7 flashes = 37. Here are the error codes, and the corresponding problem: 12 = No error detected, ...

...5 times. Example: If the Error Code is “23”, the LED will flash two times, pause, and then flash three times, then this will repeat itself for four more times before the blinking ...

...5. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector LE pin 3 and 4 check good. Suspect the E2P PCB part # 934C121001 6. (LED ...

comes on, there is a humming noise like a jet engine starting up, but not as loud (lol) then the noise repeats itself. Then the lamp light blinks green, then turns solid red. Could this be the ballast