TV Magnavox 50ML8105D/17 Problem

The picture still lookes good I dont see any problems but from time to time the tv will shut down and the red lamp light comes on. but I can push the power button and will come back on some times it stays on other times it will repeat. If it keeps doing this ill flip the main power on the back of the tv off after 20min as its cooled down, this most of the time helps. If its just the bulb I can replace it but I cant be sure .....................please help DREW

I have the same problem but it seems to happen when the Temp. in my house reaches a certain degree. My guess is that it is running hot and shutting down. HOWEVER, yesteday the same thing happened but now my TV will NOT power up all the way. I hear a possible short when first powered on and then what sounds like the bulbs trying to fire up for about a second and then nothing. The large red light comes on and that's it. I actually have to unplug the TV to reset and try again but same thing happens. I took off back pannel and found out which circuit sounds like it is shorting out and it actualy glows when doing so. It is on a small board/pwr transformer that sends power to the bulb. Part number of the board is EUC 120 P/H11 The item that flashes and sounds like it is shorting out is round laying on its side and has a conector coming out of both ends and attaches the board. The number on this piece is 800 536 O This is all I can see.

Is this transformer or whatever it is shorting out and not supply the proper pwr supply to the bulbs or mirrors??