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Buzzing when tv is on even in standby there is a slight high pitched buzzing, just wondered if this was normal or if its a fault

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  • songbird76 Aug 18, 2008

    Slight buzzing in TV when it is on. It is a 32" Olevia 232-T12. We even have the sound from the TV turned all the way off. It is running straight through suround sound and it still buzzes.

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46" lcd hdtv(ln-s4692d)

Posted on May 03, 2008


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It is a power supply choke coil that is ringing and needs to be replaced. what is the make and model?

Posted on Apr 11, 2008

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Funai tv. When plugged in, makes ear piercing high pitched buzz that goes away when unplugged. Will not respond to buttons. No picture or power. Already replaced power board. What now??


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Both of them are refusing to turn on, and make high-pitched sounds when plugged in and unplugged. More about : turning making high pitched ...Missing: ear ‎piercing

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We unplugged the unit and waited 15 - 20 seconds and plugged the unit back in, and it wouldn't ... He heard a loud high-pitched whining which led him to TV in my daughter's room. ... It only makes a humming sound now, no pictures at all.Missing: ear ‎piercing

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Hello, I hear this constant high pitched noise, almost like ringing, but even ... pitch

Jan 21, 2016 | Funai Televison & Video

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When turned on the screen is blank and makes a high pitch buzz


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Our is the same model and has started making a very high pitched ... to acutally turn on and then when it does, the screen is still black and we ...

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Dec 30, 2008 - In my case, the monitor was fine for the first two months. But then started making a buzzing noise... 1) when on, 2) worse when .... my Samsung TV ismaking high pitched noises even if its turned off. I will NEVER EVER EVER ...

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Dec 13, 2015 | Televison & Video

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I have an Element flat screen TV and it keeps making a high pitched clicking noise.


Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/

Sep 17, 2014 | Element Electronics Televison & Video

1 Answer

Loud hum sound


usually the transformers on the psu would give a slight buzz,but when tv i on standby the only power going to main board is minimum,dont know if your model has aa built in fan,would need model number

Dec 09, 2013 | Insignia Televison & Video

1 Answer

I have a Samsung 3D TV (46C7000).I have developed an intermittent sound fault. When the TV is switched on I get a high pitched Tone emitting from the TV over the sound of the broadcat program. Sound is...


The tv have a problems in it power supply board,that the board where the tv power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish tv power supply board for the replacement.Power supply board have some bad high voltages transformers.That why ur tv even getting a high pitched sound even the tv it is off and tv it is not even on,and tv it is on standby mode only.

Sep 22, 2011 | Samsung Televison & Video

1 Answer

I just got this tv to replace our 26 inch Phillips tv. Wow! It is incredible in every way, we love it! But there is a slight buzz, which I can live with, but would rather not have to? Any ideas?


If you have replaced your old Philips with a Plasma TV, they do buzz slightly due to the extreme current passing through the capacitance of the screen. You may find that a curtain behind it if you have it in the corner of your room, will help.
If the buzz stays the same level regardless of audio settings then it is normal. If the buzz varies in amplitude with the volume control, then there may be a fault on a lead feeding the signals to the TV.
Hope this helps and have a nice Xmas.

Dec 23, 2010 | Televison & Video

1 Answer

Picture ok but loss of sound with high pitched buzz


Power board have problems.Take the tv aparts put some super glues on all around the transformers.Will help lower the buzz alots or stop it completely.

Feb 17, 2010 | Toshiba 32AV500U 32 in. LCD HDTV

2 Answers

Proscan 40' 40LC45S has a high pitched hum when it is off. Sound goes away when TV is on.


Same problem here, there is a high-pitched sound in standby. As soon as the light turns blue and the TV is on it's gone. I actually exchanged this TV three times at Best Buy but all the models made the same buzz in standby. I was told that it's normal and in the store you can't hear it since there is too much humming from other TVs around. The power is transformed down to a minimum, just for the remote controls, internal clock etc. and this causes the buzz, like when you dim your lights at home. I hooked it up to a surge-protector for clean power and just switch it off over night. During the day it's hard to hear anyway. - Again, since this is my third (!) Proscan 40' exchange I can definitely say that this is normal for this model. I was just surprised that nobody mentioned the same problem so far on the Best Buy reviews.

Jun 10, 2009 | Proscan 42LA30H 42 in. LCD Television

1 Answer

High pitched noise


I am about to post a in depth guide about how to fix this problem. It's because a capacitor inside the TV has blown which causes the buzzing high pitched noise. It's really easy to fix however and only costs about £1 / $2 to sort out.

You can read a similar guide here http://www.fixya.com/support/r741402-polaroid_flm_373b_lcd_tv_black_screen but I will shortly be uploading a guide on the buzzing problem!

Dec 22, 2008 | Polaroid FLM-3732 Television

2 Answers

High pitched buzzing


It happens with some television speakers..There seems to be excessive hiss and buzz at high volumes if its happening even at low volume then check your tv's signal reception(ask ur connection service provider for help)If this doesnt fix the problem since the product is in its warranty period just drop into a service center and they will fix it for you

Oct 08, 2007 | Televison & Video

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