Trying to fix LCD samsung LE32A330J1 tv, half screen with red tint

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  • petehall347
    Badcaps Legend
    • Jan 2015
    • 4450
    • United Kingdom

    #21
    Re: Trying to fix LCD samsung tv, half screen with red tint

    try reflowing the ic

    Comment

    • dskall
      Badcaps Legend
      • Oct 2016
      • 2905
      • usa

      #22
      Re: Trying to fix LCD samsung LE32A330J1 tv, half screen with red tint

      Make sure you have no shorts between legs of chip. You also might want to go through and read all the Gm1- all Gm test points on t-con in numbered order.
      I assume no responsibility for any stupid suggestions I might post.

      Comment

      • RedKazl
        Member
        • Feb 2022
        • 11
        • Lithuania

        #23
        Re: Trying to fix LCD samsung LE32A330J1 tv, half screen with red tint

        Ok I'll have a look into the thing you call "reflowing the ic". No shorts are between legs of chip already checked, there is contact everywhere. I already went through all Gm points and everything seemed fine just that the last one showed 0 voltage which was weird to me and I don't know if it should be like that.

        Comment

        • petehall347
          Badcaps Legend
          • Jan 2015
          • 4450
          • United Kingdom

          #24
          Re: Trying to fix LCD samsung LE32A330J1 tv, half screen with red tint

          Originally posted by RedKazl
          Ok I'll have a look into the thing you call "reflowing the ic". No shorts are between legs of chip already checked, there is contact everywhere. I already went through all Gm points and everything seemed fine just that the last one showed 0 voltage which was weird to me and I don't know if it should be like that.
          just add flux and hot air to reflow it .

          Comment

          • dskall
            Badcaps Legend
            • Oct 2016
            • 2905
            • usa

            #25
            Re: Trying to fix LCD samsung LE32A330J1 tv, half screen with red tint

            Originally posted by RedKazl
            Ok I'll have a look into the thing you call "reflowing the ic". No shorts are between legs of chip already checked, there is contact everywhere. I already went through all Gm points and everything seemed fine just that the last one showed 0 voltage which was weird to me and I don't know if it should be like that.
            All should have a voltage and they should be in ascending or descending order depending on which way they are checked.
            I assume no responsibility for any stupid suggestions I might post.

            Comment

            • RedKazl
              Member
              • Feb 2022
              • 11
              • Lithuania

              #26
              Re: Trying to fix LCD samsung LE32A330J1 tv, half screen with red tint

              Maybe I measured it wrong, but yes all had voltage in descending order except the last one, ill check again and try to reflow it on wednesday or at the weekend

              Comment

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