Question about Sony FD Trinitron WEGA KV-27FV17 27" TV

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Buzzing sound wyen volume is high. - Sony FD Trinitron WEGA KV-27FV17 27" TV

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If you have a cable box on the TV, make sure the volume on the cable box is turned all the way up. If you do not have a cable box, some TV's seem to have a annoying buzz louder than others.

Posted on Jul 15, 2009

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What may cause a high pitch hum.even when muted or volume turned down?


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Its so high pitched that some people can barely hear it, but I guess I have sensitive hearing. ... Anyway, this seems to be a fairly common issue and it is caused by either the ... You're probably hearing a transformer humming.

Jan 08, 2016 | Televison & Video

1 Answer

Sansui aux-410r amp crackling when switched on followed by high pitched sound and other sound like vinyl played at high volume and stylus being dragged across it .can anyone help please.


This is some kind of componant fault. To find out where determine if the sound is in one channel or both. If in both it could be in the power supply or in something that has both channels common to it. If in just one channel than at least you have the good channel to work with. You can test the bad channel by poking it with an insulated tool. It should make buzzing noises. If it makes buzzing noises in the good channel and is differerent in the bad in anyway you have found something. If the sound also comes and go suspect bad soldering.

Oct 27, 2014 | Audio Players & Recorders

1 Answer

When turning my Marshal MG250 DFX on, there is a terrible buzzing sound. I have tried it on different speakers and the buzzing still occurs. It does not change in volume when i adjust the volume. Whats the...


This is likely a filter capacitor issue. The right tool to troubleshoot is an oscilloscope. This could also be a failed power amp that is driving high DC current with ripple into your speaker. This can permanently damage the speaker. Repair this before using it.

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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 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.
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Dec 22, 2009 | Vizio L37 Television

1 Answer

Buzzing sound through the speakers


Sounds like you are getting interferance from something like a cordless phone, TV, Computer something like that.

Feb 08, 2009 | RCA RT2280 System

2 Answers

Sound


first clean volume button by contact cleaner from good brand from nearest electronic store or (radio shack).if the problem goen it is ok.
if it is excit ask for help from qualified sevice technician.

Mar 08, 2008 | Televison & Video

1 Answer

Buzzing sound


It is a problem with the flyback transformer...R u good at electrical circuits?If yes you can unsolder the old one re-solder the new one and check it for high-voltage..
If you are not good at this i advice you not to open it coz there's always a risk of high voltage..Anyways if you want to get it repaired it should cost you aroun 75-100$
Good luck!

Oct 18, 2007 | Samsung HL-P5663W 56" Rear Projection HDTV

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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