Lcd37tv016hd

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  • snipersquad100
    Badcaps Veteran
    • Nov 2013
    • 297
    • uk

    #1

    Lcd37tv016hd

    ok Thank you vince.
    I got this Bush 37inch LCD, It would work for about 5mins then the picture would go fuzzy "see Pic 2" and about 2 mins later the set would turn off. I've had the air duster out to blow a few cobwebs now im just getting a gray screen. "pic3"
    I've checked voltage on the power supply 23.8v, 11.7v, 5.2v and 5vSB are all there.
    Can anyone point me where to investigate next.
    Thanks.
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  • vinceroger69
    Badcaps Legend
    • Mar 2012
    • 6714
    • uk

    #2
    Re: Lcd37tv016hd

    are you still getting sound ok

    Comment

    • snipersquad100
      Badcaps Veteran
      • Nov 2013
      • 297
      • uk

      #3
      Re: Lcd37tv016hd

      Yes, Lucky enough when I first switched on the set to get the gray screen for the first time the hdmi channel was still tuned in and I could here the ps3. I since pressed a channel button now I cant here anything as I don't know what channel is currently tuned in, but it deffo worked when the hdmi channel was on.

      Comment

      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: Lcd37tv016hd

        Check for 12V or 5V at both ends of tcon fuse.
        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

        • snipersquad100
          Badcaps Veteran
          • Nov 2013
          • 297
          • uk

          #5
          Re: Lcd37tv016hd

          Nope no voltage on either side. continuity on f1 is ok thou.
          I take it there no power coming from the main board.?

          Comment

          • tom66
            EVs Rule
            • Apr 2011
            • 32560
            • UK

            #6
            Re: Lcd37tv016hd

            Sounds like it; check LVDS, check the silly parallel port thingamajig on main board is seated properly too (that got me good for some time on these!)
            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

            • snipersquad100
              Badcaps Veteran
              • Nov 2013
              • 297
              • uk

              #7
              Re: Lcd37tv016hd

              is the ldvs the plug that gos to the t-con board, if so im only reading a volt or so on some wires, parell plug at rear seams snug.

              Comment

              • tom66
                EVs Rule
                • Apr 2011
                • 32560
                • UK

                #8
                Re: Lcd37tv016hd

                Yeah that's the LVDS.
                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

                • snipersquad100
                  Badcaps Veteran
                  • Nov 2013
                  • 297
                  • uk

                  #9
                  Re: Lcd37tv016hd

                  Have you got a schematic on this main board ?

                  Comment

                  • tom66
                    EVs Rule
                    • Apr 2011
                    • 32560
                    • UK

                    #10
                    Re: Lcd37tv016hd

                    No, I've not found one yet.
                    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

                    • snipersquad100
                      Badcaps Veteran
                      • Nov 2013
                      • 297
                      • uk

                      #11
                      Re: Lcd37tv016hd

                      ok, thanks tom

                      Comment

                      • snipersquad100
                        Badcaps Veteran
                        • Nov 2013
                        • 297
                        • uk

                        #12
                        Re: Lcd37tv016hd

                        I got the board out, its number is FCBF076072574 Any ideas where I can obtain another one or if anyone got any idea on how to fix this one. This one is not supplying voltage to the t-con board.
                        Do surface mount electrolytic caps bulge when bad?
                        Click image for larger version

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                        Comment

                        • snipersquad100
                          Badcaps Veteran
                          • Nov 2013
                          • 297
                          • uk

                          #13
                          Re: Lcd37tv016hd

                          UPDATE
                          I put the LDVS cable in the wrong way. DOOHHHH
                          So im back to my original problem that the tv starts up ok then pic goes funny. but im getting this image now.
                          Click image for larger version

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                          Comment

                          • tom66
                            EVs Rule
                            • Apr 2011
                            • 32560
                            • UK

                            #14
                            Re: Lcd37tv016hd

                            Check PSU voltages are steady.
                            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

                            • snipersquad100
                              Badcaps Veteran
                              • Nov 2013
                              • 297
                              • uk

                              #15
                              Re: Lcd37tv016hd

                              Further update. I have found out that the tv only goes faulty after 5 mins on the HDMI input. The Scart, ariel and vga input work ok. Does that mean the HDMI chip needs replacing? or change the main board.

                              Comment

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