My Philips 20PT633 has been shutting off by itself for several months now. Sometimes, the screen will go blank, but the power light stays on. After a couple of seconds, the screen will come back. It will then shut off again, but this time the power light goes out.
Now, sometimes it shuts off and the power light stays on, the screen never does come back and it will not let me manually shut it off, I have to unplug it.
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