When I turn on my TV I am only able to hear sounds coming from it, but when I put a flashlight underneath it I can see the picture very dim and dark. I wonder if I can change out the LEDs inside? Is there a web page that can walk me through the repair and a link or I can purchase the parts?
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Sadly the cost of the part may well exceed the cost of replacing the whole thing. I would open it up and examine it for blow capacitors and/or cold solder joints. Use a multimeter to go over the boards and try to spot the problem.
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@leonbensoncpt the backlight is controlled by the power board. It would be very uncommon that all LED strips are burned out. If you give us the exact model number of your TV we can research this a bit more and see what the cost may be. You will need a multimeter and some basic tools to check and possibly repair it yourself.
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