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Why is my Broksonics CCVG3780 making a humming noise

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  • tazmom777 May 06, 2010

    Why is my Broksonics CCVG-3780 making a humming noise

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There are three reasons that may be behind your LCD TV hum:

Your TV has a cooling fan which is making more noise than usual because it is failing or is working hard now because it is clogging with dust/foreign material.

Your TV's power supply is getting ready to fail; the hum is coming from the power transformer. Eventually it will now longer turn on if this is the case, although how long that will take is anyone's guess.

Your TV may be humming through it's speakers, rather than from the back of the unit. A hum in the audio channels from EM interference getting into your signals though a defective/damaged cable or through some very electromagnetically noisy components/power adaptors nearby.

I hope that helps.

Posted on May 06, 2010

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Hi,

More Likely,Your TV have bad electrolytic caps, that need to be replace in the power supply section, especially the big cap too. You are getting a AC hum, because the caps are not doing there job to , filter out the ac, and that is why you have a hum, and if you take your TV in the shop, it should run around 100-150 for repairs.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!


Posted on May 06, 2010

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