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In the last month my plasma TV has developed a buzz that is really annoying as its the only thing i hear now. It can be heard sitting infront of the TV up to 5 metres away. It comes and goes but is there 75 percent of the time. I have had the TV for about 17 months

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It could be the transformer, need to get it serviced. Nothing will happen but the noise will get louder and more annoying. Most of the time the transformers have a plastic plug to conceal the magnetics and the coil. The glue on the plastic loosens and can create the buzzing noise.

Posted on Aug 09, 2008

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Hi, I Purchased an LG 50PK350 plasma tv and I am experiencing an extremely loud, annoying buzzing sound even with the amp switched off & the sound muted. The buzzing is not constant ... the brighter...


I have this tv aswell, and yes I will confirm that it does buzz quite alot, but all plasma tvs do, it is to do with how it renders images, the buzzing can be made worse by it being close to a wall and it reflecting back. I found that my tv stand some how amplified the buzzing when i got mine. I dont think its something you can escape.

Mine i notice also when scrolling around menus seems to have lines that follow your selection....not to pleased about that

Oct 18, 2010 | Televison & Video

2 Answers

I have a brand new Sony Bravia flat screen HDTV hooked up to Charter Cable. There is a constant background humming sound which is really annoying. If I turn down the tv volume (to where I can't hear the...


Hey, first thing that comes to mind is that your cables are faulty.

OR

your receaver (or what your tv is connected to) Is causeing the buzz.

Possible reasons: the device has a bad connection or bad signal. Or your powersystem is unstable.

Heres a text about GroundLoop.
http://www.epanorama.net/documents/groundloop/

If you need more assistance let me know!

Mar 11, 2008 | Televison & Video

1 Answer

Humming sound


Samsung states - A buzzing sound from your plasma TV is normal. It is caused by the electrical charges used to create the images on the screen. The buzzing, however, should not be so loud that you can hear it when the volume on the TV is set at normal levels.It is also important to determine the type of buzzing sound. A sound like a ground hum is completely normal. This buzzing can originate near the power cord connection or from the SMPS board position on the upper back of the TV. The buzz will be more audible as contrast increases on the screen, most notably when displaying an all white screen. If the buzzing sound is loud, you may have the Contrast set too high. Lower the contrast to reduce or eliminate the buzzing.You may also have loud buzzing if the rear of your Plasma TV is too close to a wall or other hard surface. Try moving your TV away from the wall until the buzzing is minimized. [1]
If the buzzing is at a higher frequency and resembles a crackling sound (like the sound of Velcro being pulled apart), and originates from the upper middle back of the TV, you likely have a failing SMPS board. Place a support call with Samsung to have the SMPS board replaced.FP-T5084 Have a known buzzing problem with a very simple fix.If the buzzing is coming from the left or right sides of the rear and the volume can be changed by pressing lightly on those locations, you are probably hearing the vibration of the grounding springs on the back panel. Call Samsung (or whoever) and have a technician confirm the problem. The easiest fix is to insulate the offending spring by applying some felt tape.

May 22, 2010 | Vizio P2 42 in. HD-Ready Plasma Television

2 Answers

LOUD BUZZING/HUMMING SOUND- CAN HEAR OVER AUDIO


have someone check speaker ground to the TV chassis. Your speakers are picking up reverb from the Video Signal.

Aug 19, 2009 | Vizio L37 Television

2 Answers

LG plasma buzzing


Problem is probably with your cable box as you have confirmed that the set is working by using the dvd player, that is unless you have a bad cable for the cable box.

Aug 12, 2008 | LG Televison & Video

1 Answer

High pitch sound from the speakers


Is the noise present even when there is no input?

Jan 27, 2008 | Olevia LT32HVE 32 in. LCD Television

4 Answers

Plazma TV buzzing noise


I have the same problem I can hear buzzing over the volume of the tv into the 30 range. I've had a tech out 3 times and he's coming out for a fourth. He's changed to power supplies and is bringing the 3rd next visit. From what I've read it has either to do with power supplies or grounding strips.

Jan 18, 2008 | Televison & Video

2 Answers

Verticle lines on screen


This is a very easy fix. Your cable box is not grounded correctly. To fix this you need a AC Plug adapter. This will change your TV ac plug from a 3 wire to a 2 wire. This may sound funny, but trust me on this. I have fix a lot of TV in NY doing just this.24001fc.jpg

Sep 10, 2007 | Samsung HP-R4252 42 in. Plasma HDTV

3 Answers

Audio interference


Is the sound comming from the speakers on the TV or the back of it? Plasma TV's can doing buzzing sounds when moved to higher elevations.

Jan 27, 2007 | Sampo PME-42S6 42 in. HD-Ready Plasma...

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