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That is not the problem, a circuit board is shorted out and it shuts off as a safety function. The cost to repair can be as high as $500.00 New TV's are very cheap I would just replace it. Proscan is not the best brand for reliability, Vizio is better and cost only slightly more at walmart
Most likely it's the power supply board that went out. (part of it still works is why you get the blue LED when you plug it in.)
If you decide to try to fix it yourself, BE CAREFUL! The power supply board has capacitors that can hold high voltages for many hours after the TV's been unplugged.The equivalent of sticking your finger in a light socket.
You'll need the part number off the power supply to get a replacement.
U check the power source like the power a/c outlet?Yes?Tries tv unplug,replug it back like about an hour later.The tv should resetting itself back to the tv factory setting,tv now should have power again.Not.The tv have a power supply board problems and the causes.That the board where the tv power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv power supply board for the replacement.
Dead batteries in the remote ? Is it a universal remote correct component selected ? Will the set turn on at the TV power button ? Hard to say with such a vague description. These should give you more information to interject.
you can replace the plug and resistor but make sure you remove any carbon that may of happened,you should be able to scrape it off.if you dont have any luck repost with part number.
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