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Can this white spot be caused by a bad T-Con? KDL-46W*

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    #1

    Can this white spot be caused by a bad T-Con? KDL-46W*

    I don't have my hand on this TV, just the picture attached. The T-Con in question is 1-857-131-11 where the TV is either KDL-46W4100, KDL-46W4150 or KDL-46WL140

    Can a bad T-Con cause that white spot in the upper left corner? Sorry about the picture quality, that is the best I have.
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    #2
    Re: Can this white spot be caused by a bad T-Con? KDL-46W*

    Panel failure IMO.
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      #3
      Re: Can this white spot be caused by a bad T-Con? KDL-46W*

      @ReeceyBurger123: Failure?where in panel? TFT array? or bad colour filter?

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        #4
        Re: Can this white spot be caused by a bad T-Con? KDL-46W*

        I've had a samsung that had a washed out center,pretty much what this looks like but then in the center of the screen with both sides looking almost normal.
        I bought it out of curiosity and it was indeed the t-con at fault.
        Now this one being in a corner like that,I don't know. If tv is cheap and t-con is cheap maybe worth the gamble? 46" lcd like that here in Canada not worth much anymore.
        Helping a friend on this one? Looks pretty technical in the background....
        Last edited by martino; 10-31-2016, 03:05 PM.
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          #5
          Re: Can this white spot be caused by a bad T-Con? KDL-46W*

          This one is a gamble. Could be the diffuser sheets inside the panel coming loose at that location - wouldn't know until you took the panel apart imo. What's it look like with just a black screen ?
          Last edited by mmartell; 11-01-2016, 03:41 AM.

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            #6
            Re: Can this white spot be caused by a bad T-Con? KDL-46W*

            that isn't a tcon failure to me. Looks like something is going on with the panel itself.

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              #7
              Re: Can this white spot be caused by a bad T-Con? KDL-46W*

              Not a T-CON problem. I would strip down the Panel and see how the backlights are working. Could be a LED going bad.....or as said before just a bad Panel.

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