Question about Sony BRAVIA KDL-40S2010 40 in. LCD Television

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My TV makes a constant humming sound through the audio. The sound is there whether the cable box is on or off.

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Usually indicates a bad earth

Posted on Jul 20, 2009

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Jan 05, 2016 | Sony Televison & Video

1 Answer

When my polaroid flat screen tv is turned on humming


Check to see that you're not in SAP mode, (Separate Audio Program) in the audio portion of your menu. Could also be filtering via a bad cap or two in the audio circuit the the hum is a 60 cycle hum because of it. If you have a cap analyzer you could check those also.
Hope this helps!
Bill

William Rayburn, CET
Premium Technologies
PO Box 442
Long Beach, WA. 98631
360-642-4993

Aug 22, 2009 | Polaroid TLX-01911C LCD TV

1 Answer

Poor sound quality


Hi, I sent an email regarding the issue to OnCorpus (the company who makes ProScan)

This is what I got back:

---------------------------
Thomas,
Follow these steps to correct humming issue:
1. Turn tv on
2. Input mode should be tv
3. Turn volume to zero
4. With remote enter 9 8 7 6
5. A menu will appear on left side
6. Arrow down to backlight and with right arrow key move number from 81 to 83, press menu button twice,
7. Turn up volume and listen if hum is gone.

John
jd@oncorpus.com
---------------------------

I can't confirm if this works at this moment since I don't have access to my TV.

Thomas

Feb 11, 2009 | Proscan 26LB30QD 26 in. LCD HDTV

1 Answer

Sound quality poor


Try moving the audio and video cables to a different input.
Or the cables maybe bad. That's what happen to me.

Feb 11, 2009 | Proscan 26LB30QD 26 in. LCD HDTV

1 Answer

Humming sound on cable setting


have you tried to input another audio source into the audio inputs on the reciever that the cable box outputs are going into on the reciever ?
you may also need to ground the recievers frame and cable box frame to earth ground.
you also may have a bad connection in the wires or jacks for the audio connections
or the cable box audio out circuit needs repair

Feb 04, 2009 | Onkyo TX-SR606 Receiver

1 Answer

MY NEW SAMSUNG LN32A550 TV HAS A HUM FROM THE SPEAKERS


In most cases it's the Cable issue. Either bad Cable Box or the Wires are not grounded properly. Disconnect the Audio Cables or the COAX cable from the Cable Box and see if the Humming noise goes away.

Jan 31, 2009 | Samsung LN32A550 32 in. LCD TV

2 Answers

Hum in the audio - 32'' Proscan 1080i


does the hum occur when playing a dvd or only when watching tv ? if the hum occurs only when watching tv, i would like you to disconnect the cable line from either the wall or the back of the cable box and see if this hum disappears. if the hum disappears call your cable company. you have what is called a " 60 cycle ground loop ". hope this helps.

Jan 20, 2009 | Televison & Video

1 Answer

I have a Vizio 42' and a cable box and there's a constant humming


I think I had the same problem. This is how I fixed it.

I have my vizio 42 hooked up to a Harmon Kardon surround sound, and the digital cable box. Essentially, I can adjust the volume 3 ways - through the tv, cable box or av receiver. The humming sound happens when you have the volume maxed out on the av receiver and not the cable box.

For example, the sound level on my Harmon Kardon goes from -10 (lowest) to 10 (loudest), with 0 being the middle ground. The buzzing was happening when the Harmon Kardon was set to 10, and I was using the cable box volume to adjust the sound. To fix it, I turned down the volume on my receiver to 0, which may be about 50% max volume of the receiver. Then, I switched devices and used the volume on my cable box. This got rid of the static I was getting. Hope that helps.

Jan 09, 2009 | Vizio VX32L Television

1 Answer

Subwoofer humming/buzzing


It sounds like one of the internal solder welds to the cable or a/v connections inside the cable box is bad.

Dec 19, 2008 | Bose Acoustimass 10 III System

1 Answer

Loud Humming


It's possible a fan or a hard drive is going bad. When the bearings in those devices start to go out they a start making noises like that.

Jul 18, 2007 | Tivo Series2 TCD649180 DTV Receiver /...

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