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LG 42LG3000 (White Screen with Sound)

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    #1

    LG 42LG3000 (White Screen with Sound)

    Hi all, first time posting here hopefully you can help..

    I have a 42" LG TV around 3 - 4 years now and is now randomly turning on to black and slowly fading up to white with sound still working, no tv options show up when you press any buttons.

    It's an odd one as I could go down now and turn it on and it'll work all day and then turn off and back on and then black to white and again off and on and works.. been like this a few days now.

    Attaching video of what happens (http://www.youtube.com/watch?v=_HU8hsfUKNY)

    Any help you can provide will be much appreciated..

    Regards
    Garret
    Last edited by gbyrne2011; 01-17-2013, 01:01 PM. Reason: Turn on option for notification
    Tags: None
    #2
    Re: LG 42LG3000 (White Screen with Sound)

    I would take a look at the "LVDS cable". This runs internally from the main board (with the video inputs on it) to the T-con board, which is at the top of the LCD panel on most models. I have seen this when LVDS is loose. If it's not that, I'd consider the T-con itself.
    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: LG 42LG3000 (White Screen with Sound)

      Hi Tom, thank you for your quick responds..

      I have a picture here not taken myself it's from another user on the board.

      Is the cable your talking about from the main board to the t-con board, is that the board that is connected to the screen itself??
      Attached Files

      Comment

        #4
        Re: LG 42LG3000 (White Screen with Sound)

        Its the red one
        Attached Files
        Please upload pictures using attachment function when ask for help on the repair
        http://www.badcaps.net/forum/showthread.php?t=39740

        Comment

          #5
          Re: LG 42LG3000 (White Screen with Sound)

          Cheers.


          Thanks to both of you, I will look into this now and take out the wire and reseat and if it's still the same I'll look into replacing the t-con.

          Comment

            #6
            Re: LG 42LG3000 (White Screen with Sound)

            I had one similar fault on lcd where it was the flat panel it self due to faulty tab bonding. Faulty supply to the t- con or t con board faulty.

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              #7
              Re: LG 42LG3000 (White Screen with Sound)

              For me doesn't work, cable is fine, do you have any ideea??
              Thks

              Comment

                #8
                Re: LG 42LG3000 (White Screen with Sound)

                So, yesterday i was to LG service. I have a 42LG3000 television, with this simptoms white screen but good sound. Actually i try to change T-con Module, i bought a new one, i replace all condensators, finally from service sad me this: YOUR DISPLAY IS DEAD, ACTUALLY , the matrix from this is broken, its necessary to buy a new one, but may be you need to buy a new tv.
                So if you this problem, don't try to change some parts from inside, because 99% the display is broken............
                Good Luck.

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