50 inch lg plasma issue

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  • edber
    Member
    • Apr 2013
    • 15
    • ireland

    #21
    Re: 50 inch lg plasma issue

    Originally posted by tom66
    I do think it is a main board or power board issue, that's narrowed it down pretty considerably IMO.
    Have you any particular component in mind on either of those boards to narrow it down?
    IMO that would be called narrowing it down.

    Comment

    • hienton2
      Senior Member
      • Sep 2009
      • 183

      #22
      Re: 50 inch lg plasma issue

      Somebody said in repairing plasma it is better swap the board than replace component. Narrow down the board so we do not waste money.

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #23
        Re: 50 inch lg plasma issue

        If I were forced to guess:-

        Main board: Bad voltage regulator, bad processor joint (BGA failure), bad RAM (memory)
        Power board: Bad capacitor
        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

        • edber
          Member
          • Apr 2013
          • 15
          • ireland

          #24
          Re: 50 inch lg plasma issue

          Originally posted by tom66
          If I were forced to guess:-

          Main board: Bad voltage regulator, bad processor joint (BGA failure), bad RAM (memory)
          Power board: Bad capacitor
          Thank you.

          Comment

          • edber
            Member
            • Apr 2013
            • 15
            • ireland

            #25
            Re: 50 inch lg plasma issue

            Ok just a little update on this.Firstly the tv seriel no is 710manj26927.
            software version 4.1.1.I forgot to mention yesterday that the issue I have
            with this tv has been going on a while.When the problems started the tv screen upon a cold start would flash from picture to black screen for a short
            while before finally settling down to a perfect picture.Now this morning I
            turned on the tv and it started perfectly normal for two minutes then
            black screen and no sound and no respond from remote control.I left it like
            this for twenty minutes to see would anything happen but it didn't.I can see
            that the screen is energised(kinda white glow) but no sound or picture.So I unplugged the tv from the mains and replugged and the tv springs back into life.

            Comment

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