Any known issues with 32LG5300 LED TV?

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  • berniedd
    Senior Member
    • Mar 2007
    • 119

    #1

    Any known issues with 32LG5300 LED TV?

    I've been asked to repair an LED televion 32LG5300 model. Set is fine till it warms up after 20 or so minutes, then the backlight turns off. The main board was replaced twice already for this same problem before, once within warranty and the last one months later at the owner's expense. Is there a design problem or known issue with this model line?
  • ReeceyBurger123
    Never Give Up !
    • May 2014
    • 7325
    • Britain

    #2
    Re: Any known issues with 32LG5300 LED TV?

    Probably failed leds again seen it on the 42" version of this set check if what voltage goes to the bulb connectors.
    Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

    https://www.facebook.com/Telford-Tel...7894576335359/

    Comment

    • sordids999
      Badcaps Legend
      • May 2013
      • 2149
      • uk

      #3
      Re: Any known issues with 32LG5300 LED TV?

      Posting pictures of the back of your tv showing the boards with clear pictures may help you more with fixing your problem

      Comment

      • budm
        Badcaps Legend
        • Feb 2010
        • 40746
        • USA

        #4
        Re: Any known issues with 32LG5300 LED TV?

        Beside up loading the pictures, try reducing the backlights level to about 50% to see if the backlights will stay on longer, I will not be surprised if you have bad LEDs.
        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

        • berniedd
          Senior Member
          • Mar 2007
          • 119

          #5
          Re: Any known issues with 32LG5300 LED TV?

          Originally posted by sordids999
          Posting pictures of the back of your tv showing the boards with clear pictures may help you more with fixing your problem
          Here you go:
          Attached Files

          Comment

          • budm
            Badcaps Legend
            • Feb 2010
            • 40746
            • USA

            #6
            Re: Any known issues with 32LG5300 LED TV?

            So did you try reducing the backlights level to see if the backlights will stay on longer?
            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

            • lin4sm
              Senior Member
              • Sep 2011
              • 67

              #7
              Re: Any known issues with 32LG5300 LED TV?

              I do not know exactly about this LG model. I have experience with some Toshiba and Samsung (both models had Samsung screen).
              Whenever two LED strips are connected together there are bad connection between connectors. Some connectors even becomes yellowish color.
              In beginning TV working fine then intermittently screen goes black. And after some time TV screen does not light up at all.
              I bypass those connectors soldering wire and TV works fine then.

              Comment

              • tom66
                EVs Rule
                • Apr 2011
                • 32560
                • UK

                #8
                Re: Any known issues with 32LG5300 LED TV?

                Sometimes, the LED fails (die-bonding failure), this is usually intermittent causing the LEDs to flash on and off but after the first fault the set usually turns off the backlight as a protection.
                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

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