Question about Naxa Electronics NX-545 20 in. LCD TV

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When I use the headphone output jack (to drive a powered subwoofer), the default internal speaker audio output is disabled, leaving me with only the subwoofer output. How can I use both the internal

When I use the headphone output jack (to drive a powered subwoofer), the default internal speaker audio output is automatically disabled, leaving me with only the subwoofer output. How can I use both the internal speaker audio and the headphone outputs simultaneously?

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Your best option is to use a seperate amp with sub output from the audio outputs on the back of your TV. use this amp to power the sub and a good pair of speakers, and you'll have quality sound.

It is possible to prevent the TV's internal speakers from cutting when you use the headphone socket, but it means going inside your TV, and if your not skilled, you can easily blow your TV (and yourself) up. You just need to re-wire the headphone socket on the TV to stop it cutting the internal spaekers.

Posted on Oct 06, 2009

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If your tv has an audio output other than the hphone jack. either an optical or composite audio output.

Posted on Jun 02, 2009

  • Mando Mojica
    Mando Mojica Jun 02, 2009

    if your tv has an audio output other than the hphone jack. either an optical or composite audio output.

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1 Answer

No sound except through headphones


The fact that the device produces audio output through the headphones indicates that the audio system is operable up to the headphone jack. Therefore, the fault must lie in the internal speaker, the wiring between the jack and the speaker, or the jack itself. Most likely, the internal speaker has gone belly-up and needs to be replaced...

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The speaker cutout feature whenever the headphone jack is connected is a hard-wired feature of the headphone connector, and cannot normally be bypassed without further electronic circuitry and the associated surgery to install a custom modification in the TV. In order to keep the TV speakers on while using the sound elsewhere, you will have to take the audio output from the IR Audio port, if there is one.

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The headphone jack has a switch in it to disable the speakers when the headphones are plugged in. This switch has stopped functionong. Look in the jack eith a magnafying glass to see if there may be lint or some other object holding the switch open when the headphones are not plugged in. Otherwise it's time to replace the jack.

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Go in to the "applications>utilities" folder. Run the "Audio/MIDI Setup" program. Insure the audio out is actually going to the headphone out.

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Want to connect pc speakers and subwoofer to lg37lc55 tv unfortunaly it doesnt have an earphone 3.5 connection point. My other smaller tv does, the speakers and subwoofer consist of a white and red audio...


Hello,
Your TV should have an AUDIO OUTPUT other than optic..at least " Headphones" output..
You can connect TV audio output with a RCA cable.
white and red audio jack....
since SUB has both RCA and "3,5mm Headphone female Jack"..here are the options;
** you need to buy a cable one end 3,5mm MALE headphone jack and the other end 2xRCA stereo (or 1x RCA for mono or you may need "Y cable " ) to be connected to your TV...
** or 2x RCA
white and red audio jack and connect from your TV..
**" "Headphones" output to SUB with 3,5 male-to-male cable ( the least recommended)
And you need to connect front,centre and rear speakers to your SUB as well...
Take care and if it succeeds please Remember to rate/vote and give me 4 Thumbs Up
for Helping out the Community :)

Hope this helps!

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I would like to connect my powered subwoofer (Atlantic Technology model 212 SB) to my Sherwood RX5502 receiver. Unfortunately, the receiver has no subwoofer outputs, only speaker outputs, and the...


Cables between sources and compatible units rarely need to be physically modified.

Register and download the manuals for free at retrevo.com

http://www.retrevo.com/support/Sherwood-RX-5502-Receivers-manual/id/3124dj384/t/2/

http://www.retrevo.com/support/Atlantic-Technology-212-SB-Subwoofers-manual/id/866dj197/t/2/

Splicing headphone outputs designed for nominal 8-ohm impedance speakers to a 47K-ohm (typical) RCA load is not a good idea but it might work on the Sherwood because this receiver does not automatically silence your other speakers when the headphone jack is installed.

There is NO other volume-controlled output to choose. Try it.

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2 Answers

Hdmi audio not working when conected to tv


Follow these steps to change the audio output settings for the HDMI option.
  1. Follow steps 1 through 8 above.
  2. From the Windows Vista™ default Start menu, click Control Panel.
    View Picture
  3. In Control Panel, using the default Control Panel Home setting, click Hardware and Sound.
    View Picture
  4. In the Hardware and Sound window, under Sound click Manage audio devices.
    View Picture
  5. In the Sound dialog box, click to select Digital Output Devices (HDMI).
    View Picture
  6. Click Set Default, and then click OK
    View Picture
Note: The default audio setting for your notebook is Speakers / Headphones.
You must change the audio output back to the Speakers / Headphones option for the computer to once again be able to use the internal speakers and headphone jack.

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It would be less trouble to disable the internal speakers from the television's setup menu and connect to a set of powered speakers or a receiver using the built-in audio outputs. It will be a challenge to get good sound quality and levels from the headphone jack.

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Plugging headphones into the computer will disable sound output from the sound card by design.

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