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TV flickers on and then goes off


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My webos tv (approx 10 yrs old) just went black. When I turn it on it flicks and I see the LG logo briefly and it goes off. 
 

The red indicator light flashes a few times and turns off. 
 

I’ve tried unplugging the TV for 10 min after holding the TV power button for 30 seconds. I’ve also unplugged all hdmi cables to no avail. 

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Hello hdueck, I ran into a similar problem on a LG TV of this age a few years ago. All you said (filckering, goes off, red light fashes) indicates a power problem inside the TV. There is normally a power board in the TV that is used to convert the type of electricity from the plug (230 volts) into some other kinds of electricity inside the TV. This board contains cheap condensers that last around 10 years. A temporary solution is to heat the back of your TV (at the point the electric cord is coming into the TV) with an hair dryer a few minutes. Generally the cheap condensers like heat and then after a few minutes you can restart the TV. This is also a good indicator to know the issue. Then you have 2 solutions, or 3 actually. You can demount the back side of the TV, locate the power board and either fix it (locate the bad condensers, remove them and replace them with better new ones for 10€) or replace the entire power board by a new one (easier but more expensive - around 50€). The third solution can be : you replace the TV by a new C6 LG TV (kidding) ! There are many tutorials on youtube about this kind of problem and how to fix it. Or you can bring your TV in a repair Café or to a TV specialist (but in that case it could be around 150-200€). Hope this could help. NB in my case, I choosed to buy and change the board myself.

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