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intergrated tcon board ic rt6939 vestel polaroid p55up0277a

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    #61
    Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

    Originally posted by Diah View Post
    since you dont have programmer tools so nothings you can do.. , i would encourage you buy replacement MB as it show at your country Ebay cheap so you can invest at it..
    ok thank you for all your help i will order main board

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      #62
      Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

      here is pic of screen the only thing you can see is my reflection in my workshop the light from window reflected
      the tv is upside down on workbench
      screen has very dark blue with no picture image
      Attached Files

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        #63
        Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

        unplug lvds socket and take a picture please.
        https://www.badcaps.net

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          #64
          Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

          heres pic with lvds unplugged ,it looks just the same
          Attached Files

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            #65
            Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

            Why leds shining blue?
            unplug lvds socket. Turn on tv and plug a dvd or receiver via scart. if you hearing sound panel is faulty. if still same...good luck.
            https://www.badcaps.net

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              #66
              Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

              i dont know why display is blue
              the backlights seem very bright viewed from the back of tv.
              i use satellite box i/p via scart . no sound,since f/w update.
              so is this important
              your f/w is
              :QNDS2DN12
              MY PANEL is type :VES550 QNDS 2D U12
              could it be the f/w is not the same ,would this explain why ,since f/w update i have no sound?

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                #67
                Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

                before you write FW the tv was installed so you can switch input to hear sound. complete firmware you did flashed the tv will be back to first installation page so no way to switch input. you can by pass it as blind way by pressing OK several time on RC and EXIT too.

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                  #68
                  Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

                  well than you once again with your help i now have sound via scart again

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                    #69
                    Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

                    Hello,
                    Does anyone have some information about this capacitor, on the same t-con board from the discussion above ? Thanks !
                    Attached Files

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                      #70
                      Re: intergrated tcon board ic rt6939 vestel polaroid p55up0277a

                      Hi all,
                      sorry to waking this post again... I have the exact same issue and my tcon has the same components -RT6939 GQW. Its an MI tv and even I thought it was a cap that was shorted but now after reading this post I learn that its a fuse. Did you find a solution to this? I need help urgently.

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