Vizio e500i-b1 won't turn on

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  • Twithers
    Senior Member
    • May 2013
    • 69
    • U. S.
    #1

    Vizio e500i-b1 won't turn on

    I've got no activity from the tv at all. I opened it up and I hear a faint, high pitched squeal, alternating with a click sound. Squeal, click, squeal, click........ Coming from the power board. This happens as soon as the power cord is plugged in. Pushing the power button has no effect on the noise. Weirdly, when I unplug the harness that runs from the power board to the main board the noise stops.

    I checked for voltages at the plug on the power board where the main board would plug in. I get 5v, but no 12v or 24v.

    What do you think?

    Thanks.
    Tags: None
    • budm
      Badcaps Legend
      • Feb 2010
      • 40746
      • USA
      #2
      Re: Vizio e500i-b1 won't turn on

      You can start by uploading good clear pictures of the whole backside of the TV so we can see all the boards and how they are connected together.
      We need to check the DCV on the power supply board that goes to the main board to see what Voltages and signals are missing from the board.
      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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