Question about LG 42LP1D 42 in. LCD HDTV
My tv hums when the backlight is at any setting other than 100 percent. This problem was present when the Tv was first set up.
The product chosen isn't the actual tv that I have, my model number is 42LG30 but this webpage wouldn't let me chose that
The back light power supply is radiating. This can be from many things. I have seen this from a poor or missing ground shield that covers the back light power supply, and or its cable harness.
Another thing that I have seen cause this type of fault are worn electrolytic capacitors in the back plain light power supply that have become high in their ESR.
Posted on Jun 02, 2008
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Posted on Jan 02, 2017
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