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Buzzing noise from Sony Bravia 40V5500

Normal 0 false false false MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} A couple of months ago I bought a Sony Bravia 40V5500 and I soon noticed an annoying buzz coming from whatever is behind the top middle vent. Decided to get a replacement but this one has the same problem so I thought it was normal for this model so decided to try and see if it would calm down.

However, it’s now driving me crazy as every scene with fairly quiet sound in a game/movie the noise can be heard even with the volume a 20-30. I have noticed the buzz is loudest when the screen is black and quietest when white, a mix of colour makes it kind of pulsate. I have tried changing every setting but nothing makes a difference and a Sony Bravia 40S2510 I have does not make a sound anything like this. The only noticeable time the sound lowers is when I switch to the PC input with nothing connected, no idea why.

What could be causing this and is there an easy fix.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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The Marv
  • 72 Answers

SOURCE: Strange buzzing noise

Sounds like a bad filter cap in the power supply.when you change dimmer switch the buzz changes slightly because of a different power sraw on the power supply. If you are not versed in electronic repair. Get an Estimate. Or if unit is old get yourself a new one. Good Luck

Posted on Jan 03, 2007

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lukster
  • 217 Answers

SOURCE: Buzzing sound coming from TV

Sounds like a power supply, could be a large capacitor or a large transformer making the noise

Posted on Apr 16, 2007

  • 2 Answers

SOURCE: No picture and only buzzing sound coming from plasma with cracked screen

sounds like you may have a high voltage arc and / or leak . better to let a manufacturers qualified technician have a look at it this time . ask for an estimate after diagnosis and before repairs are made. factor age plus repair cost v/s a replacement tv . also in the area where i live most in shop repair estimates are cheap or even free . field repair estimates are definitely not . all tv parts can be replaced but, screen replacements can get expensive . barring neglect , abuse or a significant power surge you should not be having these problems on a tv so new. double check your warranty. most electronics come with 1 year on parts ,90 days on service. some warranty limitations are not allowed in certain states. also contact the manufacturer . in my expierence some of the better companies have honored an expired warranty partlialy and sometimes even fully on a relatively new product . after all they do have reputation to lose or keep . just be courteous and if your lucky they will be too. but if all else fails, i personaly prefer lcd flatscreen . oh , about the screen crack , clean and position your tv according to the owners manual . some of todays televison components are even more thermaly and chemicaly sensitive than ever . ie; window cleaner can whiten or even crack certain types plastics. finaly if you are not using a good surge protector now may be the time.
good luck

Posted on Feb 07, 2008

  • 2 Answers

SOURCE: Loewe Articos 55 HDTV loud buzzing noise

sorry cant solve it ,i called all the loewe service agents and they all said the same thing, put up with it. a new engine/colour wheel cost around $2500,

Posted on Sep 23, 2008

SOURCE: TV buzzing when showing whites and bright colours

Where is the sound coming from, the television or are you running some kind of audio system? What cablles are you using (eg. HDMI, Component)? I can help you a little more by knowing these things.

Posted on Oct 16, 2008

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