how to fix no picture on sony kdl40

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  • atef33
    New Member
    • Feb 2013
    • 8
    • italy

    #1

    how to fix no picture on sony kdl40

    i have a sony kdl40" the audio is present but blacklight and no picture please help me to fix it
  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK

    #2
    Re: how to fix no picture on sony kdl40

    Can you tell us the model # of the set e.g. KDL-40X550.

    Also can we have some pictures of the electronics inside.

    What tools do you have - digital multimeter?
    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

    • cashkennedy
      Badcaps Veteran
      • Aug 2011
      • 668
      • USA

      #3
      Re: how to fix no picture on sony kdl40

      Also i cant tell if your saying the backlight does not light up? or does it light up? (you should see if there is any glow from the screen in a completly dark room, while the set is on)
      Fixed so far 12 lcd's , 1 plasmas, 5 monitors, 0 dlp's (plan to keep the dlps at 0). and 3 atx power supplies, and 2 motherboards.

      Comment

      • atef33
        New Member
        • Feb 2013
        • 8
        • italy

        #4
        Re: how to fix no picture on sony kdl40

        it is sony bravia model : KDL-40V2000, t-con board model is 400wsc4lv004 , the inverter code is csn303-00 A06-126268 ,a06-126269 the audio is ok and the backlight also ok after verifuying in dark room , one tecnician had propose to change the two item inverter and t-con , i ordered to a t-con board

        Comment

        • tom66
          EVs Rule
          • Apr 2011
          • 32560
          • UK

          #5
          Re: how to fix no picture on sony kdl40

          I would suggest waiting for the t-con. If that does not fix it, then we can look at the main board or LCD panel.
          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

          • atef33
            New Member
            • Feb 2013
            • 8
            • italy

            #6
            Re: how to fix no picture on sony kdl40

            thanks tom66 i will replay after t-con change

            Comment

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK

              #7
              Re: how to fix no picture on sony kdl40

              Please let us know if it fixes it even if you are done repairing the TV. So we can keep track of common faults.
              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

              • atef33
                New Member
                • Feb 2013
                • 8
                • italy

                #8
                Re: how to fix no picture on sony kdl40

                finally i fixed my tv , after changing the t-con board , i will thank this exellent forum with his all members , and specially to tom66 badcaps veteran

                Comment

                • tom66
                  EVs Rule
                  • Apr 2011
                  • 32560
                  • UK

                  #9
                  Re: how to fix no picture on sony kdl40

                  Glad to heat it's working good.
                  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

                  • heritage22
                    New Member
                    • Mar 2013
                    • 1
                    • australia

                    #10
                    Re: how to fix no picture on sony kdl40

                    Originally posted by tom66
                    Can you tell us the model # of the set e.g. KDL-40X550.

                    Also can we have some pictures of the electronics inside.

                    What tools do you have - digital multimeter?
                    g day im new here and was wondering if you have heard of digital reception problems with the Sony bravia kdl-32d3100

                    Comment

                    • tom66
                      EVs Rule
                      • Apr 2011
                      • 32560
                      • UK

                      #11
                      Re: how to fix no picture on sony kdl40

                      Originally posted by heritage22
                      g day im new here and was wondering if you have heard of digital reception problems with the Sony bravia kdl-32d3100
                      Yes. By which I mean, no.
                      However, I have heard of digital reception problem with just about any TV.
                      Check antenna, cables, firmware updates for TV.
                      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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