Question about Sharp AQUOS LC-40C32U 32 in. LCD TV

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My Sharp AQUOS LC-40C32U's video goes away seconds after turning it on but the audio stays so in other words we can hear it but we can't see it. Why?

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This issue is normally caused by a transformer going out on the inverter board. The inverter board is in charge of turning the backlight on and off. When you have a component (Transformer) on the board go out, it will cause the whole board to not respond, the rest of the TV works fine which is why you still have audio and can most likely change the channels and act as if the TV is working fine with the exception of course that you cannot see anything on the screen. The board itself is very easy to replace there is no soldering required (unless you try to fix it to the component level) but in most part it is better to purchased the whole board and just swapping it.

Posted on Oct 05, 2010

  • 16nomo Mar 09, 2011

    How do i identify the part number for the board? Is the inverter board the one with the 10 sets of wires attched to it?

  • vidal chavez
    vidal chavez Mar 09, 2011

    Normally this is a long green board located to the left along the edges, one sure way to tell is that is will have connections going to the side of the panel (screen) and going into the panel, these connectors are for the back light inside the panel.

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