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vizio vt240m great picture NO sound

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    vizio vt240m great picture NO sound

    I have a vt240m board CBPF9D1KZ1. The problem is that I have no sound. Picture is perfect, remote works great. Just no sound. I have tried resetting the eprom, tried resetting all sound features to factory defaults. No luck. I have not torn it down to look at the back of it. Are there any other test that I can try before tearing it down. Wife doesn't really want me to tear it down, but that is where I'm at.

    #2
    Re: vizio vt240m great picture NO sound

    What amp chip does it use dont tell me a 1715p Ic ?
    Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

    https://www.facebook.com/Telford-Tel...7894576335359/

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      #3
      Re: vizio vt240m great picture NO sound

      Do you get sound on the Headphone jack?
      Speakers are turned on in the user setup menu?
      https://www.manualowl.com/m/Vizio/VT420M/Manual/157499
      Never stop learning
      Basic LCD TV and Monitor troubleshooting guides.
      http://www.badcaps.net/forum/showthr...956#post305956

      Voltage Regulator (LDO) testing:
      http://www.badcaps.net/forum/showthr...999#post300999

      Inverter testing using old CFL:
      http://www.badcaps.net/forum/showthr...er+testing+cfl

      Tear down pictures : Hit the ">" Show Albums and stories" on the left side
      http://s807.photobucket.com/user/budm/library/

      TV Factory reset codes listing:
      http://www.badcaps.net/forum/showthread.php?t=24809

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        #4
        Re: vizio vt240m great picture NO sound

        I'm not sure on the amp chip, i haven't opened it up yet.

        I tried the headphone jack, and no sound. and yes the speakers are turned on on the setup menu

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          #5
          Re: vizio vt240m great picture NO sound

          Sorry I typed the title wrong. it is a vt420m TV, not a 240. Is there anyway to change the title?

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