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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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Code to change settings for Small loud speakers to large. Model No HT-F450K to HT-F455K models


Speaker size selection usually is part of receiver set up; the DVD player has nothing to do with it.

Jun 27, 2016 | Samsung HT-C650W DVD Home Theater System,...

1 Answer

All speakers are humming


I have always went straight to the ground wires when a hum occurs in a speaker or speaker system. Are they in phase? Do you have the ground and lead switched?

Nov 27, 2012 | Onkyo Ht-s5500 7.1-channel Home Theater...

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My TV has a faulty audio input so DVDs have no sound Does the Samsung 1080P Home Theater System use its own speakers INSTEAD of the TV seakers ?


All Home Theater Systems (HTS) have/use their own speakers. If it didn't have speakers it wouldn't be an HTS . . . it would simply be a DVD player ;)

I can't give you any specific information about the Samsung HTS as you didn't supply a model number. 1080P is the output resolution, i.e 1080 lines, Progressive scan (= HD), not the model number.

Hope this helps.

Regards, BElectric

Jul 03, 2011 | Samsung Audio & Video Receivers

1 Answer

There is persistent low volume humming sound coming through all the speakers when the reciever is on, it is just loud enough to interfere with the audio I'm trying to listen too (especially dialog on the...


You could have done a very slow damage to the Yamaha if your UPS was not a pure sine wave type ( on line UPS ). Most of the UPS we get are called Off line type and are far cheaper than the On line pure sine wave type. The out put of the Off line type UPS is not a sine wave ( the natural waveform of AC voltage ) and strains the Power supply circuit of any device connected to it.
Now if the humming sound is the same irrespective of the volume position, it is a power supply problem. You might be having a leaky rectifier diode or capacitor. First change the diodes and see if its ok then change the main filter capacitors too.

Apr 28, 2011 | Yamaha RX-V663 Receiver

1 Answer

Need help with SSI Cineplex 1500 Home Theater hook up..have all speakerwires hooked up,have 2 wire rca cable hooked up to input on system,going to output on satellite reciever, whaen I hit test tone I hear...


Hi, Hiss soundare from RCA cables.You need to reconnect again,but using a different cable for connection.

And also sometimes home theater acts that way during test mode, Check the manual and you will see how to set the home theater to see the mode that will allow all speakers to work. It's a normal thing when connecting a newly bought home theater.It the settings.Use the manual.

Take care.

Jul 07, 2010 | Audio & Video Receivers

1 Answer

Speakers way too loud


You don't say how the Samsung routes out to the receiver. I assume you're using its RCA audio L and R jacks. Inability to adequately lower volume usually means you're NOT using a Line Level input, but maybe a speaker feed.

Your TV may have a setting for variable audio out, but even if you use the fixed setting you should be able to lower the playback volume to something comfortable with the receiver's volume knob. It does go down to completely OFF, right?

Jan 23, 2010 | Denon AVR-3805 Receiver

1 Answer

Do I need to choose the speaker A or B or not


You should have two speaker inputs on the rear of the reciever. One A and one B. Which ever one the wires are to is the letter the knob needs to be on.

Oct 14, 2009 | Yamaha Rx-v365 A/V Home Theater Receiver

1 Answer

Speaker a and b have humming noise


If it's a loud 60 cycle hum stop running it and have it serviced. This hum can be a shorted output which can send out 50 to 60 volts out to your speakers damaging them.

Jul 17, 2009 | Audio & Video Receivers

2 Answers

My receiver produces a humming noise that is so dang annoying I can't stand it. On top of that you have to have the volume of 50 or better to even he speakers what can be the problem?


I had this problem also on a different set top box (STB). What I did to get rid of that annoying humming noise was to unplug the RED plug only (from red, yellow, white combination) from the back of the STB, YEY!!! peace!!! This did not interfere with the picture or audio quality.

Jun 26, 2009 | Onkyo TX-SR506 Receiver

2 Answers

Pioneer Receiver SX-750: Getting a loud hum through the speakers


The hum you hear from the speakers and from the unit itself originate with 60hz AC power. They may not actually be related. Sometimes a transformer will hum slightly and unnoticeably. That you're getting a loud speaker hum says there is an electrical leak or a grounding issue somewhere.

Do all sources produce the hum or, say, just the phono? How about on headphones? Try rotating the AC plug. In those days they weren't keyed with one large blade as they are now.

May 17, 2009 | Pioneer Audio & Video Receivers

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