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LG 47LX6500 No picture - just static - backlight OK

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    LG 47LX6500 No picture - just static - backlight OK

    Have just acquired an LG 47LX6500. Powers on, no Logo on screen, screen flickers. No menu on screen. Cycling thru inputs have no change in condition. Static can be heard out of speakers. Left half of screen flickers with horizontal lines randomly. Right side just backlit. All voltages on Power board OK. Disconnecting left and right ribbon cables on T-con produces all white half screen respectively. Disconnecting cable from Main board to Tcon has no effect on condition.

    Power/LED: EAY60803402
    Tcon: EAX62110705
    Main: EAX62073003

    Any suggestions?

    Much Thanks!

    #2
    Re: LG 47LX6500 No picture - just static - backlight OK

    If it turns out to be faulty mainboard, mainboard service there for 50 dollars, have not used them but the price seems reasonable. https://www.ebay.com/itm/REPAIR-SERV...Oar:rk:51:pf:0

    Comment


      #3
      Re: LG 47LX6500 No picture - just static - backlight OK

      Thanks for the link. Good to know if I can isolate it to the main board.

      Comment


        #4
        Re: LG 47LX6500 No picture - just static - backlight OK

        Any assistance in trying to isolate between Tcon and Mainboard would be appreciated.

        Comment


          #5
          Re: LG 47LX6500 No picture - just static - backlight OK

          Needed a youtube video...

          Comment


            #6
            Re: LG 47LX6500 No picture - just static - backlight OK

            Or screen shot of what the image looks like.
            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

            Comment

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