Question about Vizio L37 Television

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Vibration Noise from internal speakers on my VIZIO 47"

Humming noise coming from internal speakers

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6ya6ya
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Posted on Jan 02, 2017

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  • 142 Answers

SOURCE: Vizio speakers make a buzzing noise

It's not the speakers. I usually hear of this problem when hooked up to an HD cable box. You can adjust the volume on the cable box and also on the TV. I'll bet you don't have this problem when watching a DVD.

If the problem is what I think it is, your HD Cable box is set at a really low volume while your TV is set to a rather high volume. Try setting the TV volume to around one-third, then set the volume on the cable box until it's as loud as you'd ever want to hear it. With the TV at such a high volume, you're actually amplifying any stray electronic signals that the wires might be picking up, and the above solution will fix that.

Good Luck.

Posted on Apr 09, 2008

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phongnv
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SOURCE: Vizio speakers make a buzzing noise

The audio board on your 47" Vizio has gone bad. Replace that board will fix the problem.

Posted on Feb 17, 2009

  • 1 Answer

SOURCE: Vizio 42'' HDTV flatscreen

The TV usually hums when the backlight setting is too low. So turning it up should get rid of the problem. To do this please follow these instructions:

1. Turn the TV on.
2. Press the Menu button on the remote, located right below the channel changing button.
3. Press the down direction button, located at the middle of the remote. Press that button until the backlight is highlighted.
4. Press the right direction button until the backlight is at 100.
5. Press the OK button and then the Exit button until you get back to your picture.

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: Vizio Speaker Making a Buzzing Noise

My 32" vizio I bought a week ago does the same things.

Buy an external sound system for the tv. Turn the speakers off in the TV menu. Hook the sound system up to the out speaker hookups on the tv.

You will not only have better found, you will fix the speaker buzz problem.

Posted on Apr 25, 2009

  • 8457 Answers

SOURCE: Buzzing noise coming from Vizio HD TV speakers

It ur Vizio tv,The power supply board is the problems.The transformers in the power supply board have gaps in the transformers.The high voltage curents flow that make that buzzing noise.

Posted on Apr 07, 2010

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1 Answer

47 inch vizio tv just has static noise when power supply is plugged in, no lights or anything else


Hi Chris,
This is a power supply issue and there is nothing you can do yourself about it. Please consult a good local TV technician.

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1 Answer

Woofer is humming


Usually a faulty cable or blown speaker will cause a humming. If it is a constant humming I would surmise a faulty cable. On the other hand, if the humming comes and goes I would guess a faulty speaker.

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Altec Lansing GT5051, I'm hearing a humming noise from the speakers as soon as I turn them on. The humming noise is heard even if speakers are not connected to source.If I try and play music with...


Sounds like a problem in the speakers' internal power supply, maybe a faulty capacitor. Speakers need to be looked at by a technician, or replaced with a new set.

Jun 05, 2011 | Altec Lansing GT5051 Computer Speakers

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My Vizio 47'' LCD TV is not as bright as it has been. There is a hissing noise coming from the TV (not the speakers). Is there any help?


the help should be of the professional type as this sounds very much like a High tension lead leak
leave it OFF till you can have it looked at.

Killer voltages here and not to be touched by the unknowledgable

Please rate my help++++Thankis for using FIXYA

May 21, 2010 | Vizio SV470XVT 47 in. LCD TV

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I have a new tv, a Vizio model VL370M and there is a humming noise when I am using standard definition. It is present also when I use a DVD player. It is not the cable box. A Vizio repair man put in two...


If you can handle it then check the 12VDC supply filtration. I mean to say that you have to confirm that the 12VDC is coming with stability and no noise inside it. The filtration work is being performed by the capacitors in the circuitry. Check the capacitor condition in main board please. If it is plague (bad capacitor) then try by replacing it. The sound can be mainly heard through speakers and it most probably caused by sound processing area presents in main board. This kind of thing can be eliminated by changing the main board.

good luck

Feb 02, 2010 | Vizio L37 Television

1 Answer

My lcd tv makes a humming noise


My 37 inch vizio did the same thing. go to your menu screen on the tv and go sound. My tv has an option to turn speakers on/off. Once I turned my speakers off and the back on again everything worked great. hope I helped! if I did please let me know! youtube.com/xniax1

Mar 21, 2009 | Vizio VW37L 37 in. LCD HDTV

1 Answer

Vizio speakers make a buzzing noise


The audio board on your 47" Vizio has gone bad. Replace that board will fix the problem.

Jan 21, 2009 | Vizio VO47L 47 in. LCD TV

2 Answers

Vizio 42'' HDTV flatscreen


The TV usually hums when the backlight setting is too low. So turning it up should get rid of the problem. To do this please follow these instructions:

1. Turn the TV on.
2. Press the Menu button on the remote, located right below the channel changing button.
3. Press the down direction button, located at the middle of the remote. Press that button until the backlight is highlighted.
4. Press the right direction button until the backlight is at 100.
5. Press the OK button and then the Exit button until you get back to your picture.

Oct 22, 2008 | Vizio GV42L 42 in. LCD Television

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