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I have a samsung httxq120t home theater and the speakers amit a loud humming sound

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You have defective or open ground at input cable(s)

Posted on Apr 19, 2008

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Woofer is humming


Usually a faulty cable or blown speaker will cause a humming. If it is a constant humming I would surmise a faulty cable. On the other hand, if the humming comes and goes I would guess a faulty speaker.

Dec 28, 2013 | Vizio 2.1 ch. Sound Bar with Wireless...

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Benwin 5.1 surround sound system Humming loudly without anything pluged into it!!!


It is sad your having a problem with your
Benwin 5.1 surround sound system
If humming can be heard on all speakers, then it could probably

be on the power supply.


If it is only on the main SUB unit, then it could be the amp itself.

But check for power supply capacitors that supplies voltages to the

amps.Check for amp output DC voltages too.

Oct 04, 2012 | Audio Players & Recorders

1 Answer

I have a loud humming sound coming from the speakers


. call bose customer service they can help you with some settings that will help. 877-210-3782. this is their home page http://www.bose.com/controller?url=/contact/index.jsp . you have any questions or this doesnt help let me know. -Derek

Jan 10, 2011 | Bose Cinemate Digital Home Theater System...

1 Answer

My home theater speakers make a constant hum whenever my receiver is on. The loudness of the hum changes with the volume control, and goes away entirely when the system is muted. All components are plugged...


jd40,
Sounds like a grounding issue. The first two places to look into is the powered subwoofer and antenna. During your last test, did you leave the FM antenna and subwoofer connected? Many times the hum is directly related to the antenna and/or the subwoofer and to how they are grounded; creating a ground loop through the receivers ground on the outlet. If the antenna is grounded to the dwellings wiring, hum is inevitable and sometime you can get a ground loop hum from how or how & where the subwoofer is grounded. Try taking them completely out of the loop.

Also try taking it further back to the basics, start with the receiver plugged into a known good grounded outlet with no surge or line conditioner in the loop and nothing connected to the receiver, nothing. Use one speaker and different wire to test each speaker output while in tuner and any other mode but phono. With no signal, you will either get nothing (no hum or static) or just static in the tuner mode. No hum is a good sign. Some systems will mute the speakers if no signal is connected to eliminate the static from being produced through the speakers but a ground loop hum will most likely still be produced even in mute. If you get a hum when nothing is connected to the receiver, try looking into getting a better grounded outlet, even maybe to a different dwelling.

-Chris

Jan 30, 2010 | Yamaha 5.1-Ch. Surround Sound Home Theater...

1 Answer

We have a samsung hdtv monitor. Bought bose


you can try checking in your t.v.s menu for audio program

Sep 19, 2009 | Samsung Audio Players & Recorders

1 Answer

Loud hum when I turn on power from the speaker


Disconnect the device (amp or TV) that is feeding the speaker system. Turn on the power and see if there is still a hum. If the hum is no longer present, then the hum is most likely from the source.

If the hum persists, most likely the power supply has failed, or the output section has a short. You should contact the manufacture for support. They will most likely recomend that you give the unit in for service.

Jerry G.

Feb 09, 2009 | Coby 5.1 Channel DVD Player with Home...

1 Answer

Loud whirring noise from home theater receiver


Sounds like a cooling fan is worn out. If the warranty has expired, remove the cover and there should be a cooling fan. Remove the fan. Try cleaning it out with a can of compressed air. If this does not work take the fan to best buy or circuit city and buy a replacement. I hopet his solves your problem!

Jan 09, 2009 | Samsung HT-TZ512T Theater System with...

1 Answer

The side speakers in my theater system are not working


I found the cat had eaten through the wires behind the cabinet.

Dec 19, 2008 | Samsung Audio Players & Recorders

1 Answer

Humming noise when Dvd plays


the motor that's spinning the dvd is bad. sorry you have to buy a new one if you don't want to hear the noise. hope this help

Dec 17, 2008 | Coby DVD-937 5.1 Channel DVD...

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