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Whistling noise with HDMI and Virgin V+ box and a 42" NEON LCD TV

I have a 42'' neon LCD TV connected via HDMI to a Virgin V+ cable box. When I turn on both sometimes I get a whistling noise along with the audio. If I just shut off the TV and turn it back on most of the time the noise quits do I need to call the factory or is there an easy fix?

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Posted on Jan 02, 2017

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SOURCE: LG 47" LCD TV - 47LC7DF Clicking Noise

I was told that these clicking noises (which happen on my Magnavox LCD too) were due to the "power required" at the internal switch. Seems that the power required to immediately turn on the TV is too much for a standalone household outlet, so it "surges" power in a series to get enough there. Hence, the clicking sounds are actually mini power surges to send more power to the internal circuits to turn the TV on.

If your set is like mine, these noises generally stop after a minute or two, correct?

Posted on Mar 29, 2008

SOURCE: LG 42LB5DF Horizontal lines when first turning on

I got my main board replaced under warranty and this fixed the problem.

Posted on Apr 25, 2008

  • 11 Answers

SOURCE: displaying in purple and neon green color

Well I am not sure about that model but I had one do that and what I had to do was unplug and replug the LVDS which is the codt connecting the Main board to the screen. I am not sure exactly where it is located on that model but if you take off the back and locate the board that looks to be the "main" board. Then you have to locate the cord that connects to the screen, in mine it is a bunch of wires in a black covering, and unplug and replug it. I had to do this about 10 times to get the picture unfortionantly I already bought a new one but it now works.

Posted on Jan 21, 2009

  • 57 Answers

SOURCE: Insignia TV no audio on non HD channels via HDMI cable.

have you tried to change the audio settings to HDMI on tv? when u have HDMI hookd up u have to change the audio to HDMI also

Posted on May 31, 2009

  • 3 Answers

SOURCE: Sound problem with Sharp LC-32D4U

I got the sound on my LC32D6U fixed for free. Even though the TV is out of warranty, Sharp considers it under warranty for the sound problem. The number i 800-237-4277.

Posted on Jun 26, 2009

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