Question about Vizio VO47L 47 in. LCD TV

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The Vizio vw47l fhdtv10a tv is making a buzzing noise constantly and the backlight is at 100 percent and the remotes won't work all the time. Connected to dish network and that remote won't work all the time.

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Posted on Jan 02, 2017

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  • 58 Answers

SOURCE: Vizio GV47L FHDTV10A

sounds like a lamp failure.

Posted on Dec 06, 2008

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  • 10 Answers

SOURCE: Vizio won't turn off

This could be a mainboard problem. Sometimes one of the fuses may be bad and may freeze up causing the TV to not be able to power off.

Posted on May 23, 2009

  • 187 Answers

SOURCE: I want to know how much a Vizio VU42L FHDTV10A screen costs.

The price range is 500-800 depending where you will get it, try Ebay and look for a non-working one with a good panel (screen), it does not matter why is not working as long as the panel is in good condition.

Posted on May 27, 2009

SOURCE: my vizio 37 is buzzing from the back. not from

try to unplug some cables from the T.V like PS3/PS2/Xbox ect, or check your VCRs or DVD players cables by taking them off to see if the noise goes away. My crappy t.v makes a buzzing noise when i connect external speaker or VCRs or my PS3

Posted on Aug 25, 2009

miroypianole
  • 6 Answers

SOURCE: picture just went out. we still have sound,

call the suggested retailer..

Posted on Nov 13, 2009

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1 Answer

Vizio vo42l fhdtv10a has no video with backlight on.


May or may not be worth fixing depending age and cost of set when new--if backlights on could be power supply (NEED TO CHECK all voltages out of power board) or even a main board etc---

May 13, 2012 | Vizio VO42L 42 in. LCD TV

1 Answer

My 6-month old tv is making intermittent 'buzzing" sounds. It was a Christmas gift and I don't have any paperwork on it but it did come from Costco. What should I do? Thanks so much.


Humming usually begins when the backlight setting is low. For some sets setting the backlight anywhere from 95 to 100 works. Most wok at 100. So turning it up should get rid of the problem. You can follow the 5 steps below to change the backlight setting.

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.

Jun 15, 2011 | Vizio 42 in. LCD TV

1 Answer

My vizio 37 is buzzing from the back. not from


try to unplug some cables from the T.V like PS3/PS2/Xbox ect, or check your VCRs or DVD players cables by taking them off to see if the noise goes away. My crappy t.v makes a buzzing noise when i connect external speaker or VCRs or my PS3

Aug 25, 2009 | Vizio L37 Television

1 Answer

I want to know how much a Vizio VU42L FHDTV10A screen costs.


The price range is 500-800 depending where you will get it, try Ebay and look for a non-working one with a good panel (screen), it does not matter why is not working as long as the panel is in good condition.

May 16, 2009 | Televison & Video

1 Answer

Vizio GV47L FHDTV10A


sounds like a lamp failure.

Dec 03, 2008 | Televison & Video

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

5 Answers

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.

Mar 08, 2008 | Vizio L37 Television

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