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The volume on all inputs except the tuner is quite low (much lower than the tuner). Set is Vizio VX37L, and is about three years old, and it seems it's always been this way. I use an accessory audio amp sometimes, but it would be more convenient if set itself had adequate volume. Mfr's support has no solution and doesn't seem familiar with the problem,

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  • stevied777 Oct 03, 2010

    What you say makes sense, but in fact, the level is so low on all but antenna input, that the volume is usually set all the way up, and is barely adequate unless the the aux. amp is used. By the way, I have seen other references to this problem on the web, but no solutions provided.

  • stevied777 Oct 03, 2010

    Yes, the amp is separate, with its own speakers, (and even that I have to drive fairly high, because the input level from the tv (the Vizio audio out) is low.

    And yes, I have many times tried the settings, reset them and readjusted, but the choices are limited to bass, treble, mono/stereo, and surround sound. I have noticed that some sets, including some Vizios have advanced audio menus, and I was hoping there was some secret to open that, but so far, no luck. I'm on the verge of taking the set apart (I'm an engineer, and the warranty is long expired anyway) butI really wish there were an easier solution.

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  • Master
  • 666 Answers

Well it sounds as if your power supply is going out on you however this is a little irregular I would suggest taking it into a technician and have them try running a diagnostic to find out which piece of hardware is causeing the issue what you can do first though is look through the manual for a factory defaults reset after doing this the tv should revert to its original setting and if for some reason it was software related this should solve the problem


hope this helps
Robb

Posted on Oct 03, 2010

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  • Master
  • 2,777 Answers

That is very strange indeed, it sounds more to me that the volume on the tuner is abnormally high and all other inputs are working properly. Many cable boxes and satellite boxes have built in amplifiers as well, and it could be just outputting the sound for that at a much higher level than the other inputs. Even if you are using coax and no cable box, the sound coming through a coax cable is generally at a higher level than regular component / rca / hdmi inputs.

Or is it so low on the other inputs you can barely hear it even when turned up? I would bet all the inputs are working correctly, just that the tuner is louder than the rest...

Tim

Posted on Oct 03, 2010

  • Tim Grayson
    Tim Grayson Oct 03, 2010

    Hmmm, ok so with the auxiliary amp it is fine though? And that amp is separate from the TV, is an amp you owned? Interesting..



    Have you gone into the setup on this inputs and checked the volume / sound settings? I believe on these Vizio's they are independent for each input.



    THanks

    Tim

  • Tim Grayson
    Tim Grayson Oct 03, 2010

    There definitely is no back-end setup menu for this tv that includes volume control, I've verified... unless it's some "top-secret" one that only the engineers who built it are aware of. I really don't think there is any other way to crank up the volume on those inputs, that is very very strange indeed.



    Still researching to see what else you can do here..



    Tim

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