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LG 50PJ550 adjusting volume by itself

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    LG 50PJ550 adjusting volume by itself

    Hi folks onto my 3rd LG fixed 2 so far with the help posted in these forums

    So here goes as title states volume intermittently goes all the way down or up picked the set up cheap knowing there was an issue but could not find anything when googling prior to purchase,

    Guy said it just appears on screen now and again

    When got it home volume was switched off he must of been going through a amp sepreratley turned sound back on, left it on about 2 hours then it started to turn itself all the way down with led constantly flashing at zero.

    Pressed exit on remote then adjusted volume accordingly, then turned volume up to about 75 and it turned itself back down,

    Then turned itself back up again.

    Remote batteries disconnected on both.tv still trying to cycle volume up or down

    I have two lg remotes so the problem is defiantly not the remotes.

    Where do I go from here cheers.
    Last edited by Stingos1; 09-16-2014, 11:21 AM. Reason: Typo

    #2
    Re: LG 50PJ550 adjusting volume by itself

    Maybe a sticky/dirty front panel vol control?

    Comment


      #3
      Re: LG 50PJ550 adjusting volume by itself

      The panel controls are touch control only I believe no buttons

      Comment


        #4
        Re: LG 50PJ550 adjusting volume by itself

        Still can be dirt causing issues with them.
        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


          #5
          Re: LG 50PJ550 adjusting volume by itself

          So strip back off then what.?

          Comment


            #6
            Re: LG 50PJ550 adjusting volume by itself

            I don't know that it would help but there's a firmware update released last year:
            http://www.lg.com/uk/support-product/lg-50PJ550

            Comment


              #7
              Re: LG 50PJ550 adjusting volume by itself

              this is a bad RF Function board, I just replaced one on a Samsung doing the exact same thing.

              Comment


                #8
                Re: LG 50PJ550 adjusting volume by itself

                Software version

                V03.28.00

                Update software or start stripping it???

                Comment


                  #9
                  Re: LG 50PJ550 adjusting volume by itself

                  That's a common problem caused by faulty capacitive switches on the control/IR board. The board would need to be replaced. You should be able to get a replacement board from your local LG spares agent

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