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Sharp Aquos LC42D43U-42 Has Sound but No Picture

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    #21
    Re: Sharp Aquos LC42D43U-42 Has Sound but No Picture

    Thanks Tom. We tried contacting Sharp, and they said they didn't have any of those files, or are unwilling to give it to us. It does no have a usb port, but does have SD card slot.

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      #22
      Re: Sharp Aquos LC42D43U-42 Has Sound but No Picture

      I'm not sure then. Sorry.
      Last edited by tom66; 06-16-2013, 03:41 PM.
      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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        #23
        Re: Sharp Aquos LC42D43U-42 Has Sound but No Picture

        The firmware may be out there somewhere. You might have to get creative with search terms to hunt it down, though. I had a hard time finding firmware for a Sony TV, and I stumbled across it after a couple days of searching.
        LG Plasma Mal-Discharge Correction Service

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          #24
          Re: Sharp Aquos LC42D43U-42 Has Sound but No Picture

          My tv is doing this exact thing with the no picture, but sound. If we wait and turn it on it'll eventually work, and doesn't do it every time, but it's becoming more often. It's not a totally black screen, but more like a dark blue. What can I do?

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            #25
            Re: Sharp Aquos LC42D43U-42 Has Sound but No Picture

            It sounds like the backlights are still on but no image on the screen.
            Look at the TV in the dark room to see if the backlights are on or not first.
            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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