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Vizio vx20l - no picture no sound powers on, cannot turn off

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    Vizio vx20l - no picture no sound powers on, cannot turn off

    I've seen similar type posts for similar issues/models, but not sure if all the recommendations would apply. I've checked out the main fuses and the regulators and they all seem to be ok. Any other tips or next things I should check?

    Thanks in advance and much appreciated

    #2
    Re: Vizio vx20l - no picture no sound powers on, cannot turn off

    Check caps maybe... post pictures so we can inform you better what to check. I would say to check the inverter board but your tv might not have one. From the pictures...oh...wait... there are none.
    The strong-minded rise to the challenge of their goals,the weak-minded BECOME HATERS

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      #3
      Re: Vizio vx20l - no picture no sound powers on, cannot turn off

      Please post good clear pictures of all the boards using attachment function so we can see what we are dealing with.
      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 vx20l - no picture no sound powers on, cannot turn off

        Sorry about the pics in advance, the best I can do with my camera phone.

        Let me know if you need better pics of anything.
        Attached Files

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          #5
          Re: Vizio vx20l - no picture no sound powers on, cannot turn off

          Does anyone have the specs or should I list the vin and vout as well?

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            #6
            Re: Vizio vx20l - no picture no sound powers on, cannot turn off

            For each regulator list all three pins (the fourth tab pin is the same as the second pin) plus the part # on the device.
            Please do not PM me with questions! Questions via PM will not be answered. Post on the forums instead!
            For service manual, schematic, boardview (board view), datasheet, cad - use our search.

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