Question about LG 37LC7D 37 in. LCD HDTV

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Humming sound on new lcd tv

Just purchased a new Samsung LCD tv and on mute and low volume it has a humming sound...
any idea what can cause this?

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Probably a cooling fan!

Posted on Jun 17, 2009

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I having problems with the volume. When I start watching t. v. the sound keeps lowering until it goes completly mute. Im not pressing any buttoms, the t.v. is new. How can I do to solve this problem?


This problems is the intermittent cause by the tv Tuner signal board.If this a new tv,take it back where u bought the tv and make an exchange for a new tv or call the Samsung corporation for a warrenty repair.

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Hum in sound volume


It could be a few things. The first thing you want to look at is make sure that the microphone is muted in the mixer controls of your audio cards. These settings are located in the control panel. If you need the mic, look under the advanced settings under it and disable the 20 db option for it.

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My lcd tv makes a humming noise


Try removing all cables going to the TV except the power cord. Power on the TV and press mute. If you have any unwanted noise, then you have a defective TV and since it is new, you should get an exchange. If there is no noise with the A/V cables removed, then you might have hooked the source (cable box/DVD Player) into the wrong inputs of the TV.

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