TV Repair Questions? Ask a TV Technician for Answers ASAP
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We often see these sets develop faults after a few years, and in most cases it requires replacement of a component (the Power Supply Board being the most common).
However it's worth it to try a hard reset, as sometimes the processor in the TV can simply have locked up.
The first thing you would try, is disconnect the set from power, then press and hold the power button on the TV itself (not the remote), for 10 seconds and release. Then plug the set back in, and also check that the power cord is connected tight at the TV as well. Press power once, and see if the set powers up normally. Try this procedure up to 2 times, and please let me know what happens.
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Were you able to try those steps? Are you still having the same problem?
It would require the power supply board be replaced which is on average $200 repair (not including a repair person's trip charge). Given the cost of repairs, and the fact that the same TV would cost less than that brand new- it does not make sense to repair it. Replacement is more cost effective I'm afraid. The only other thing they can try is to leave the TV unplugged for an hour or more in the hopes it resets- beyond that it has a hardware failure.
Other than that, I'm sorry for the bad news and wish there were a quick fix.
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Thank you, ***** ***** of luck!