When powering the TV on, with or without the remote, the TV comes on for a few seconds, then goes back off. After multiple times of this cycle, the TV will stay on and work fine. The number of attempts to get it to stay on seem to be increasing.
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Re: Unit will not stay on when cold.
Well it sounds like a leaky capacitor in the power supply. Where?, is the question. There are alot of caps and it could be in many different places. Probably gonna need a pro to help find. Probably worth repair though under $200 i bet.
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www.fixya.com/support/t101679-tv_stay Tv won't stay on My tv comes on, the power light comes on, but it won't stay on, it goes off by itself a few seconds - RCA F27450 27" TV question. ... My TV will notcome on, when I hit the power button the green light flashes but the ..... Please do Note: The front panel buttons must be used, NOT those on the Remote Control.
This is a common problem with the ITC222 chassis, I would check CP120, CP140, CP150 to see if they are bad I suspect CP150 is the one that is bad. Its value is 2200uf 16VDC. It is located on the same board as the IHVT and is in between the Heat sink in the middle of the board.
i have seen this before and it may be the front power button being stuck and when your remote turns it on the stuck button turns it back off again. I have an older mitsubishi that will not boot up right sometimes and i have to unplug it and plug it back in fot it to come on. I used to pick up broken tv and fix the power buton and resell them
Power on your TV and press the INPUT button on the side of the TV repeatedly and rapidly until you can change it to a different input, such as AV.
If this does not work. Try this: With the TV off, press and hold the input button on the side of the TV for about 5 seconds. The TV should power on and the input list will appear. Let me know if either of these work.