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Okay, LG 55uh5530.... I replaced my LED's and TV comes on nice and bright. But, there is a humming noise coming from PS. The weird part is that 10seconds after I turn the TV off it returns. The dang PS turns itself back on and hums real loud. The noise continues unless unplugged. And no led lights just the noise.
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@simbaisaboy this sounds like a power board issue. However, it is the mainboard that usually tells the power board when to turn on. Identify the component on your power board where you get the humming from. It could be the transformer or a coil as well as one of the power IC's. We need to see more to make sure we are doing the right thing. Adding images to an existing question - iFixit Repair Guide
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