Television and Home Theater

Good morning, a few weeks ago the red LED on the Tv started blinking when the unit was off. As of yesterday when the TV was off there was no indication of any power. After about 5 minutes I saw it blink once or twice and was able to power it on by pushing the power button on the set rapidly in hopes of catching it and it worked. I left the Tv on all day, but shut it off last night and now it does nothing. I have unplugged it in hopes of some sort of reboot but to no avail. Also the remote stopped working over a year ago, so I have always used the remote supplied by Comcast.

Ok, got a Mitsubishi WD-52531 that has a few issues. TV will power up fine and turn on ok, but roughly after a half hour or even sometimes a hour, it will shut off and turn back on. Here is what I have done so far:

Replaced the bulb and housing

Made sure the fan was working on top of the bulb

Ran it without the back on it and some other plastic parts to see if it might be overheating(its not).

I just opened up the back of the tv set but am not quite sure how to get to the capacitors or to know whether one is bad. It's the WD52525 Mitsubishi model. Any tips would be appreciated at this point.