Question about Dell W3706MC 37 in. LCD HDTV

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Ihave a Dell W3706MC television. My sound has static through both speakers. On the back of the television, if I plug into one set of the plugs, I get a constant popping sound through either speaker. The other set of plugs give intermittent static. Any suggestions?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Dell no sound

I got this solution from an apprentice on the site, try it out.

http://www.fixya.com/support/t577255-dell_w3201c_no_sound_after_two_years

Posted on May 08, 2008

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  • 4 Answers

SOURCE: Akai LCT2716 Flat Panel TV

I bought one of these tv's at a thrift store and it had the same problem, orange light blinking and static sound coming out of the speakers, no video at all.
The problem was the power supply board, this power supply has multiple outputs that feed the circuitry, 12V, 24v, 5V.
There was nine electrolitic capacitors I had to replace to fix it, all of them were bulged they are easy to spot, I measure one of them that was supposed to measure 1000uF but measured only 65uF. you can buy these from digikey for about 50 cents each, they need to be rated at 105 deg c and the profile has to be below the heat sink otherwise they will hit the top of the heat sink, the spacing between the leads has to be 5mm so they fit in the pcb. I replaced 3 1000uF/25v, 3 470uF/16v and 3 1000uF/16v and that fixed the problem, I bought this tv broken for 100 bucks fixed it with 6 bucks.
Good luck, don't perform repair if you are not familiar with dangerous AC voltage inside the TV.

Posted on Jul 24, 2008

rachelgeek23
  • 155 Answers

SOURCE: can i add any speakers to my dell vostro 200?

No you don't. As long as you can plug the speakers to the green port on the back of the computer, the speakers are powered and the volume knob on the speakers is turned all the way up. You should hear sound.

Also make sure the sound is not muted in windows.

Posted on Oct 04, 2008

Mr Emrys
  • 51 Answers

SOURCE: My AS 500 Sound Bar speakers are crakeling (PArt # 4y463)

Usually, the crackling indicates a connection that's not making a good connection. you can try twisting the plug where it connects to your computer and see if you can get it to make a better connect. Also, you may try cleaning the plug itself. When cleaning contacts with any sort of household alcohol, be aware that it can leave a residue so you'll need to use a clean/dry tissue to dry the plug and remove any residue. -hope that helps.

Posted on Dec 27, 2008

sys_admin
  • 829 Answers

SOURCE: static noise coming out of speakers

What sort of computer do you have? Is it a laptop or desktop? Many laptops have this problem and it is quite widespread in laptops. The crackling or humming noise could be a result of interference from the mains power signal.

If it's a laptop, try running it on battery alone (take out the mains power cord). My laptop has this kind of noise in speakers when running on mains electrical supply, but it goes away like magic when I run it on battery.

A more long-term solution is to buy a 'Ground Loop Isolator' and insert it between your computer and the speakers/earphones. They are quite cheap and you could get it for under £10. It removes all static noise and you'll hear crystal clear sound.

Posted on Jan 01, 2009

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1 Answer

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make sure mute is not on,,check all cables,,,menu options check and see if external speaker setting is not on,,

Nov 03, 2010 | Dell W3706MC 37 in. LCD HDTV

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I recently had this problem. Try changing the PCM settings in the HDA NVidia window. That should do the trick.

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Hook an external Stereo Receiver (or surround sound system) up to the Audio Out jacks on the back of the TV... this should allow you to hear the sound again.
Hope this helps.

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1 Answer

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Yes,loud static usually comes from bad isolation of sound signal path so it's probably a frayed cable or a loose jack. Or if you're unlucky some parts inside have failed.

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1 Answer

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Although some monitors have built in speakers, most people have stand alone speakers. If the old monitor had built in speakers and now it is unplugged you won't hear sound. Even if the speaker cable is still plugged into the sound output on the back of your computer, the monitor must be plugged into an electrical outlet to have power.

I'd recommend buying a new set of external speakers if this is the situation.

If you never had speakers built into the monitor then normally changing monitors would make no difference whatever. The only explanation that makes sense under those conditions is that in the process of replacing the monitor, you dislodged the speaker jack from the sound output on the back of the computer.

Make sure your external speakers have electrical power plugged in, the power is on (green light on at least one speaker lights up) and the volume on the speakers is at least half way up.

Unplug the speaker from whatever hole it is plugged into and plug it firmly back in and test sound.

If still no sound other than some static on the speakers, try every single hole on the back of the computer that the jack will fit properly and test for sound.

Let me know if you have further questions.

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Id say you DO NEED to adjust your TVs audio settings.

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It's the jack on the back of the PC or sound card. Sounds like some solder is loose on the jack.

The cheapest solution would likely be to just replace the sound card, if your comfortable installing them. It's really quick and pretty hard to mess up.

If it's "onboard" sound, meaning the audio jacks are built right into the mother board, you'd likely need to just replace it with a pci based sound card.

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I do have sound board in stock.
Please contact me at:
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i would 1st confirm that the rattling is not comming from the speakers. hook different speakers up to test. if continue to garble, the boardmay have a short. ebay the description audio board for dell ???? you may find it.

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1 Answer

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Is the hissing or static sound comming from the speakers or from the back of the set itself?? Need more info please.

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