Sony 55ex500

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  • banjobill1
    New Member
    • Feb 2013
    • 9
    • United States

    #1

    Sony 55ex500

    Got a sony no video back light works replaced t con stell no video
    where do i go from this point power supply has all voltages
    thanks
  • Glitcher
    Badcaps Veteran
    • Mar 2013
    • 673
    • USa

    #2
    Re: Sony 55ex500

    Possible bad panel or the ribbon cables that connect the tcon to the panel has gone bad and corroded possibly also corroding and damaging the connections and circuits to the panel.

    Comment

    • capkid
      Badcaps Legend
      • Oct 2010
      • 1339
      • United States

      #3
      Re: Sony 55ex500

      Do you have sound? Pics of the chassis would help, also. I've attached some "no picture" troubleshooting steps from the service manual.
      Attached Files
      Last edited by capkid; 07-30-2013, 12:41 AM.
      LG Plasma Mal-Discharge Correction Service

      Comment

      • banjobill1
        New Member
        • Feb 2013
        • 9
        • United States

        #4
        Re: Sony 55ex500

        cant see menu to see what mode set is in. to see if it has sound or not no white noise from set. thank you for the pic. if you would can you post the manual. thank you.

        Comment

        • banjobill1
          New Member
          • Feb 2013
          • 9
          • United States

          #5
          Re: Sony 55ex500

          cant find jl3806 and jl2566 on bal board. to check for 12v.

          Comment

          • capkid
            Badcaps Legend
            • Oct 2010
            • 1339
            • United States

            #6
            Re: Sony 55ex500

            Here's a copy of the service manual.
            Attached Files
            LG Plasma Mal-Discharge Correction Service

            Comment

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