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Westinghouse TV making crackling sound

TV-Monitor makes loud annoying sounds like a crackling/popping noise, even when muted, start up or warmed up it still makes the same noise,. Only using for VGA monitor on PC now,. my son has been using it for Xbox about 1 year, worked fine until about 6 months ago then he got a new one because of this noise,,,,I'm trying to troubleshoot it. Yes, I think the warranty has expired also.

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  • miketbob
    miketbob Jan 06, 2013

    Ok, TV has been taken apart and I think I have found a problem. The popping/crackling sound is definitely coming from one speaker only and since it has two small speakers I'm going to cut the wires to the faulty speaker and see if this helps. It's only being used for a monitor now so what the hell right?

  • miketbob
    miketbob Jan 12, 2013

    I cut the offended speaker wire and have had nary a peep from this TV since doing so. Problem Solved. Thanks for everything, everyone.

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  • Contributor
  • 18 Answers

I have had the same issue with a Westinghouse 50 inch LED TV. I believe it is not the power supply but the HDMI input. You can temporarily work around by plugging your primary source into the other HDMI. You may also get some relief by using the Westy remote, finding the TV menu, then selecting (Option) (Restore All). There may be an arcane procedure to reset the HDMI.

Posted on Sep 06, 2014

  • net_serv Sep 06, 2014

    Found the pre-eminent solution! This should work on many TVs with HDMI which exhibit snow + crackling of the audio. First, turn off the TV. Second, unplug all input video sources. Finally, using the power button ON THE TV (NOT THE REMOTE), press and hold for fifteen seconds. Now, plug in your video sources and the HDMI should be clear.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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jerryg50
  • 1667 Answers

SOURCE: Black Screen but sound works

Any part in your set can be replaced. It is a question of cost, and the qualifications of the service person. For this set it is important that only the manufacture service rep work on it. There are specialized tools, training, and setups for performing service on this type of set.

A poping sound is caused by a component actualy rapidly blowing! This should be looked after. Using the set can only create more problems. Components rapidly blow because of a catastrophic short or over-voltage condition of some type.

The manufacture service rep can do a visual inspection of all the circuit boards, and replace the board with the one that shows signs of physical damage. He will then run diagnostics, and perform the proper troubleshooting to find the cause of the problem and replace any other defective parts or circuit boards.

The repairs on these TV sets can be rather expensive. Ask for an estimate before approving any work done. When buying any of these TV sets it is best to take an extended warranty. This is an insurance in case of an expensive failure.

From your description, I would suspect a section of a power supply has failed, and possibly a failure in one of the main driver circuits. This type of repair will not normaly be low in cost.


Jerry G.

Posted on Apr 13, 2008

dsacco86
  • 1077 Answers

SOURCE: Continuous crackling from TV speakers

I'm sure you have figured this one out. TV itself is causing the problems.
The circuit board that produces the audio signal seems to be the problem.
Before you call the repairman, go to the web site Shopjimmy.com just to get an idea of what the parts will cost. That way he doesn't rip you off.

I hope I answered your question correctly. Please rate me. :)

Posted on Feb 26, 2009

freetek
  • 5568 Answers

SOURCE: Popping

Your description indicates a defective solder joint in the main power supply that is causing electrical arcing. These sets are never completely 'off' otherwise they could not respond to the remote when not operating.
If severe enough, you may be able to smell 'something electrical' at the top vents of the back panel. Another potential source (less likely) is the impending failure of some power semiconductor that is causing the random, momentary interruption of current and the restart of operation which will cause exactly the kind of problems you are having. 
This is not typical and comes from sloppy quality control, something we will just have to live with since all of our electronics are assembled by ill-trained former Chinese laborers.
If you have decent manual skills and a good soldering tool (preferably a soldering 'station,' temperature controlled), you may be able to visually locate the defective joint and reflow it with fresh rosin-core solder. The power supply will be a smaller board with larger components on it; particularly cylindrical parts and one or more larger blocks which are the transformers.   
For this reason, I regularly recommend not disposing of your old CRT TVs but buying the set-top digital to analog convertors and putting them both in a dry place to use when our modern sets fail.

Posted on Apr 22, 2009

farr64
  • 121 Answers

SOURCE: our tv made a loud pop/crack sound and went

look take the back cover off and look at the pwr fuse its located near the main on/off switch .replace if blown. before you switch back on is the set damp free you could have an ht leak so warm back of set make sure its perfectly dry an hair dryer works well but don't hold too close to single components.if all this works cover set at night with a towel over the air vents when not in use to avoid moisture on line transformer. this answer would work with an ht leak .but the problem could lie elsewhere . good luck farr64

Posted on Apr 30, 2009

  • 304 Answers

SOURCE: 46" Samsung LCD, no sound output whatsoever

First try hooking up a different source such as a DVD player or Cable box and see if you have audio. If you do then check the audio output from the computer. If you do not have audio then make sure the tv audio is up half way and turn off the set. When you do this you should hear the down chime provided you have the chime turned "on". If you do not hear the down or up chime then the sudio circuits on the Main bd are bad and the Main bd will have to be replaced. A quick way to check to see if the audio circuits are working is to listen for the up or down chime when turning on of off the set coming from the tv speakers speakers.

Posted on Jul 16, 2009

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I'm sure you have figured this one out. TV itself is causing the problems.
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I hope I answered your question correctly. Please rate me. :)

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