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Westinghouse tv power box making buzzing sound

My westinghouse tv power box that has the power cord to plug into the wall is making buzzing sound when tv is turned on

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  • Expert
  • 264 Answers

Hi I'm Peter, There is a bad connection and most likely the buzzing sound is a relay going bad internally.

Posted on Apr 19, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1779 Answers

SOURCE: Just bought a 40" Westinghouse LCD tv yesterday

Best advise: RETURN THE SET !

Posted on Nov 28, 2010

  • 58 Answers

SOURCE: tv does not power on

u have a short on one of the secondary voltages from the power supply. commonly a bad diode.
the chirp is the supply attempting to start into a short.

Posted on Dec 05, 2008

freetek
  • 5568 Answers

SOURCE: No power on Westinghouse LTV-46w1 Television

This kind of failure is very common; that is why I suggest that one should keep the old CRT TV, buy a converter and put them both in the garage or basement so they are handy when our s*e*x*y new sets go belly up.
With fair confidence I can say that the main power supply has failed.
If you want to try this on your own, it only will require the removal of a few screws and a flashlight.
- Unplug the set overnight. - Remove the rear housing  - Use some logic and these tips; look for a separate board with larger than average parts on it and seems closer to the power cord than others. This will be the power supply.
Check the board over for something that looks like a part number and record it. If you find more than one, one of them will be the bare board number, the second (sometimes on a sticker instead of printed directly on the board) should be the part number for the assembly.
Search for the Westinghouse service company nearest you and call them with this info. Ask if they repair these or just sell new ones. If it is the latter, don't pitch the old one, continue to look for a repair service that will take it on after you have the new one in place and can watch your favorites again. The new supply will likely cost between $90 - $150 and with a little common sense, most anyone can remove and replace these in the set. Expect any repair to cost about the same as a new supply; US technical labor costs more than Chinese assembly labor. 
These supplies can be as reliable as the primitive older type but companies refuse to use the high-grade components necessary to give them a long life so they fail much sooner than the old, less efficient kind known as 'linear' supplies.     

Posted on Mar 22, 2009

  • 92 Answers

SOURCE: westinghouse 30" lcd tv has no sound no picture,but green lighton

Replace the Power Supply.

Posted on Sep 06, 2009

  • 1 Answer

SOURCE: 37inch Vizio TV making buzzing sound from back

my tv is new too and also makes a buzzing sound and i turned the DCR off and it worked to thanks for the help!!

Posted on Jan 05, 2010

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1 Answer

Wall plug for TV buzzes


Have the outlet checked by a qualified electrician. Sounds like either a power issue or ground. You should not get a buzz from an outlet for any reason.
If you plug something else into the outlet does it make the same noise?
If yes, something going on with the power. If not, then the TV power supply might be doing it, but the noise would be behind the TV and not the outlet.

Aug 17, 2014 | Sony Bravia 32-55 Inch...

1 Answer

Westinghouse LTV-37w2 HD have no picture, no sound, no blue power light on - only some buzzing. What it can be ?


if it is just buzzing then the transformer has gone, may have over heated.it transforms the line in volts down to the volts needed to run the tv. so say 240v ac in and tv needs 110v ac. now the volts in will be making the buzzing sound but the coil on the 110vac side has gone. if you change the transformer. has to be the same colour and number. tv should be fine. as the coil in the transformer brakes its just like removing the plug from the wall and not do any more damage. so just the transformer will need changing.

Oct 01, 2013 | Westinghouse LTV-37w2 HDTV

1 Answer

I have bought an optical fibre cable to connect from my jamo a305 to my new sony nx810 tv and im getting a buzzing sound, there are 2 optical fibre outputs on the back of the amp, which one do i connect it...


Have you looked at the manuals?

http://www.retrevo.com/search?q=sony+nx810

A TV won't run external speakers directly. Besides, the TV-related audio should originate at, say, the cable Box, and go straight to your (presumed) AV receiver for the best possible decoding and reproduction.


Buzzing is an analog phenomenon and is NOT carried by optical cable in any case.

Buzzing is usally AC line noise leaking into an un-shielded cable somewhere or a floating ground. If the AC plug is reversible, try that. Sometimes the buzz is from an attached device. Make sure all audio cables are plugged in tightly at each end and routed away from or at right angles to any power cords and away from other sources of strong magnetic fields like TV's. I've also seen variable track lights induce noise but it's usually minor.

Try rotating the power cord in the wall outlet.

If it still buzzes with no cables or anything external attached there's an internal problem.

Disconnect the input(s) and see if it hums in the absence of an audio source. A bad audio cable shield or unwisely-routed audio cables will allow entrance of unwanted signals from external power sources, magnetic fields, even dimmer-controlled track lights. Sometimes, simply reversing the orientation of the ac power plug can eliminate humming.

Reverse the cables Left to Right to see if it stays with the cable or the input channel. Follow it back to the source, isolating in the same manner. Eventually you will find the entrance point of the hum. Frequently a cable's ground will oxidize over time and simply removing and reattaching the cable with a twisting motion will re-establish the shield.

May 02, 2011 | Jamo A 305 Main / Stereo Speaker

1 Answer

Buzzing sound when sub is on even without turning my amp on, if you can call me on my phone 909 938 9219 it be better for me thanks, i am little slow with my computer, please help


Buzzing is usally AC line noise leaking into an un-shielded cable somewhere or a floating ground. If the AC plug is reversible, try that. Sometimes the buzz is from an attached device. Make sure all audio cables are plugged in tightly at each end and routed away from or at right angles to any power cords and away from other sources of strong magnetic fields like TV's.

Disconnect the input(s) and see if it hums in the absence of an audio source. A bad audio cable shield or unwisely-routed audio cables will allow entrance of unwanted signals from external power sources, magnetic fields, even dimmer-controlled track lights.
I've also seen variable track lights induce noise but it's usually minor.

Try rotating the power cord in the wall outlet.

If it still buzzes with no cables or anything external attached there's an internal problem.

Apr 30, 2011 | KEF Audio PSW 2150 Speaker

1 Answer

Just bought the RCA1023 and i have a buzzing sound trying to fix it i have it hooked to my tv through the HDMI cable i also have the audio cords (red and white) hooked up and i am still getting a very...


Buzzing is usally AC line noise leaking into an un-shielded cable somewhere or a floating ground. If the AC plug is reversible, try that. Sometimes the buzz is from an attached device. Make sure all audio cables are plugged in tightly at each end and routed away from or at right angles to any power cords and away from other sources of strong magnetic fields like TV's. I've also seen variable track lights induce noise but it's usually minor.


Try rotating the power cord in the wall outlet.


If it still does it with no cables or anything external attached it

Apr 01, 2011 | RCA Audio Players & Recorders

2 Answers

My tv is a westinghouse model 26h730s and it has a buzzing sound when its off and when its on it has a annoying sound like when you go and get your ears tested but it is constint it is low and when you are...


Hello, normally this buzzing sound comes from the power supply, before you go out and replace the power supply for this noise try to lower the backlight, this might make a difference in the noise but also be very aware that your TV might be a little darker than before.

Jan 23, 2010 | Westinghouse Electric SK-26H730S 26 in....

8 Answers

Westinghouse Sucks


Why don't you splice an extension cord on to it? You can then plug it in to a receptacle. Make sure you use a surge protector.

Apr 09, 2008 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

1 Answer

No Power


Hi: That could be the power cord itself shorting out right near where it plugs into the set.

DO NOT hesitate removing the plug from the AC wall plug, since fires have started this way!!

If its the cord you can replace it or if its inside the set it will need repair.

Mar 13, 2008 | Sony KV-32S66 32" TV

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