We have Vizio television and when turned on, the internal speakers in the television have a buzzing noise that doesn't stop until the television is turned off. Is there anything we can do to fix this problem?
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Try a reset to default settings. If that does not clear it I would suggest that it is either a hardware fault or interference
A constant buzzing might be interference from the power control card. What happens if you move the set elsewhere. Also, try it on another aerial, maybe there is a problem there....perhaps
A common cause are failure of decopling capacitors in the audio section, and or the circuit board power distribution that feeds the audio board. Most of the capacitors are surface mount components. The standard fix is to start by changing the circuit boards that have the defective parts.
If the set is under warranty, call for warranty service. Out of warranty service is expensive for these TV sets.
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
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
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.
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.