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What caused high pitched siren noise from vizio surround speakers? Happened when soundbar was at idle in middle of night.

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  • Vizio Master
  • 6,694 Answers

Chekc the cables connected to it
If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/

Posted on Dec 23, 2016

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: High pitching sound

buy a new tv

Posted on Jul 26, 2008

  • 67 Answers

SOURCE: No Picture, high pitch sound from speakers

try contacting Vizio @ techsupp@vizio.com

Posted on Jul 27, 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

budmrtn
  • 11361 Answers

SOURCE: TV made a steady high

Unplug it and do not try to use it to limit the damage. You need to look at the power supply module to see if it has any sign of bad DC filter caps with leaking/bulging tops.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

http://s807.photobucket.com/home/budm/allalbums

http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx

Posted on Aug 12, 2010

long27574
  • 103 Answers

SOURCE: vizio high pitch noise while watching

It sounds like the speaker wire it not grounded good. It sounds like a high pitch whistle or crackle.

Posted on May 06, 2012

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The vizio amp speaker plugged into my tv and bluray player stopped outputting sound when watching a dvd and now only blinks in a set of light at the bottom. What does this mean and how can I fix it?


TV sound bar problem - Audio - Audio - Tom's Guide

www.tomsguide.com/answers/id-1991267/sound-bar-problem.html
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1 Answer

The soundbar picks up my neighbors music. This seems to happen in the middle of the night when the unit is actually off. Can I change the bluetooth pairing password or any other solution


That's pretty weird all I can suggest is unplugging the speaker from its reciever. Whether it be a TV etc. another suggestion is to look up this sound bar and see if it's passive or active.

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Circuit board[s] are burned/dead causing a short circuit. Take it to a repair shop and get an estimate.

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1 Answer

Vizio high pitch noise while watching


It sounds like the speaker wire it not grounded good. It sounds like a high pitch whistle or crackle.

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Do you have them connected to the sub? Those satellite speakers pick up the fainter sounds and work best in movies with 5.1 surround sound. Make sure they are behind the primary listening position. And try them with a 5.1 surround movie. If all speakers are up front switch to front listen mode. Good luck.

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1 Answer

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.

Apr 07, 2010 | Vizio VW32L 32 in. LCD HDTV

2 Answers

Loud buzzing noise on vizio tv


It sound like you may have sound processor problem which is part of the main board, I would also look at the 12vdc from power supply to make sure it is clean DC.
Parts: http://www.shopjimmy.com/catalogsearch/result/?q=l37hdtv10a

http://en.wikipedia.org/wiki/Capacitor_plague

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