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    #1

    Vizio e422ar

    I have a VIZIO E422AR with no power, no logo light. Totally dead the power board tested good.
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    #2
    Re: Vizio e422ar

    Moved out of FAQ. Please don't post questions there!
    sigpic

    (Insert witty quote here)

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      #3
      Re: Vizio e422ar

      "Totally dead the power board tested good." Can you please clarify the voltage readings for us? Pictures of the boards?
      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 e422ar

        Here is my photos the power board 4H.B1800.001/C has all 12v present and 3.292v

        main board gets really hot L32M95.MB 48.73401.011

        IC#7 LD1117AG
        tab 3.326
        pin1 0.010
        pin2 5.060

        IC#2 LD1117AG
        tab 3.306
        pin1 0.009
        pin2 5.060

        U5 LD1117AG
        pin1 0.004
        pin2 1.197
        pin3 3.304

        IC#3 LD1117AG
        tab 2.118
        pin1 0.010

        IC#6 LD1117A
        pin1 0.007
        pin2 3.302
        pin3 5.065

        U1 LD1117A
        pin1 0.007
        pin2 3.302
        pin3 5.065
        Attached Files
        Last edited by 24V; 06-25-2013, 11:08 PM.

        Comment

          #5
          Re: Vizio e422ar

          Originally posted by 24V View Post
          IC#3 LD1117AG
          tab 2.118
          pin1 0.010
          There sees to be a pin reading missing above? Also, please confirm readings.
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            #6
            Re: Vizio e422ar

            I have a similar problem with the same tv, my logo light is on when I turn on the tv with remote or the set the backlight comes on I get the vizio logo as normal but where it would go the the next step (hdmi1 retrieving data please waiting) it cuts off. I have the same power board as the above picture and I have replaced 3 caps that I could find at radioshack although none are/where bulging or appeared damaged. any suggestions?

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              #7
              Re: Vizio e422ar

              Hello colleagues I came this vizio tv and does not bring the transistor QM1 someone of you can give me the number of the transistor, in advance thanks

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