TV suddenly stopped working; not will not power up at all.
My TV worked just fine for a few months, then one day, it suddenly shut itself down. This lasted for about a 1/2 hour, then I was able to turn it back on. It continued to happen, with increasingly longer periods that it would not operate until, finally, it stopped working completely. Any ideas?
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There is a large sand filled resistor on the main board close to where the power cord attaches that cracks. This will stop power until it cools enough to make the connection then heats up rapidly to open it again. It may be worth the trouble if you're handy with a soldering gun and can get the back off the TV. If not then I'd consider getting a flat screen.
If a computer shuts itself down suddenly after 10-15 minutes it's usually down to oveheating. clean the filters and ensure that there is good airflow around the computer when you use it. you can keep an eye on temperature and control your fans with this program