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Mitsubishi LDT651L - bad tcon? or PS?

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    Mitsubishi LDT651L - bad tcon? or PS?

    I just picked up a 65" Mitsubishi LDT651L LCD Monitor. It's a monster!
    It powers up, and seems to respond to commands. the problem is the on-screen image is pretty scrambled. when I power up with no input, I see boxes where the menus should be, but they are crazy looking. ( see attachment, for what would be the "no video input" message.)
    Feeding an input gives me a full screen of out-of-sync looking madness.
    pressing the menu button in this case changes the whole screen to blue-ish out of sync looking stuff- exiting the menu, goes back to the other state. It seems to obey the remote and act normally otherwise..
    Could this be a t-con, main board or power supply cap problem?

    I've ruled out the display itself as there are no permanent H or V lines, it's all very dynamic, and it seems fixable to me.

    Pretty much everything inside appears to be branded Sharp.

    Thanks!
    Attached Files

    #2
    Re: Mitsubishi LDT651L - bad tcon? or PS?

    I would be more considering a main board problem.
    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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      #3
      Re: Mitsubishi LDT651L - bad tcon? or PS?

      Hmm.. I can see how that would be the case.

      The main board is a QPWBY1091MPZZ.. I can't seem to find one in stock.
      Do you know where I might look for one? It seems like that main board is found in several brands.

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        #4
        Re: Mitsubishi LDT651L - bad tcon? or PS?

        How about some clear pictures?
        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.

        Comment

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