Dynex DX-LCD32-09 no backlight

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  • budm
    Badcaps Legend
    • Feb 2010
    • 40746
    • USA

    #21
    Re: Dynex DX-LCD32-09 no backlight

    @shane, please up load the pictures of your inverter board.
    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

    • Shane711
      Badcaps Veteran
      • Dec 2014
      • 493
      • USA

      #22
      Re: Dynex DX-LCD32-09 no backlight

      OK, I will get them uploaded within 24 hours.

      I have been playing this TV for over 3 hours now and no problems. I just might leave the solder as the fuse.

      Comment

      • Shane711
        Badcaps Veteran
        • Dec 2014
        • 493
        • USA

        #23
        Re: Dynex DX-LCD32-09 no backlight

        So here are 7 pictures that should tell you everything I was talking about
        Attached Files

        Comment

        • budm
          Badcaps Legend
          • Feb 2010
          • 40746
          • USA

          #24
          Re: Dynex DX-LCD32-09 no backlight

          Since the letter as printed on top on the fuse is not standardized (not all fuse companies use the same codes), you can put your DMM in DC A mode to check the current draw when the backlights are set to the maximum, then double (you can try 50% higher too) the reading to get the fuse size you need.
          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

          • Shane711
            Badcaps Veteran
            • Dec 2014
            • 493
            • USA

            #25
            Re: Dynex DX-LCD32-09 no backlight

            OK, so I got this TV working all good and it still works but now I have a problem with the sound. If I want to turn the volume up from the buttons on the side I have to hold it or the volume will go down. The volume is jumping up and down but if I hold it long enough the volume will go up. Have any idea what is causing this?

            Comment

            • lookimback
              Badcaps Legend
              • Aug 2013
              • 1489
              • USA

              #26
              Re: Dynex DX-LCD32-09 no backlight

              Sticky button? See if it does it with the key control removed.
              ------------signature starts here------------


              Comment

              • Shane711
                Badcaps Veteran
                • Dec 2014
                • 493
                • USA

                #27
                Re: Dynex DX-LCD32-09 no backlight

                Not a sticky button. I had time to mess with it today and I did a lot of testing on it. Works perfect with the remote. Well I have determined that it is a bad button. The button is not making full contact. So I am going to swap out a button to fix it. So looking through my parts I see I do not have a good replacement so I ordered 20 pieces for $0.99 on eBay.

                Thank you lookimback because I probably wouldn't have bothered with the button but it was the button.
                Last edited by Shane711; 01-20-2015, 05:47 PM.

                Comment

                • Shane711
                  Badcaps Veteran
                  • Dec 2014
                  • 493
                  • USA

                  #28
                  Re: Dynex DX-LCD32-09 no backlight

                  Well I got the button in the mail and installed it in the TV. Now it works perfect.

                  Comment

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