sanyo no back ligth

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  • tom66
    EVs Rule
    • Apr 2011
    • 32560
    • UK

    #61
    Re: sanyo no back ligth

    Can we get a picture of underneath the PSU, around that same area? The green side of the board.
    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

    • ealequi
      Badcaps Veteran
      • Dec 2012
      • 212
      • usa

      #62
      Re: sanyo no back ligth

      ok

      Comment

      • ealequi
        Badcaps Veteran
        • Dec 2012
        • 212
        • usa

        #63
        Re: sanyo no back ligth

        Attached Files

        Comment

        • ealequi
          Badcaps Veteran
          • Dec 2012
          • 212
          • usa

          #64
          Re: sanyo no back ligth

          is this one good?

          Comment

          • tom66
            EVs Rule
            • Apr 2011
            • 32560
            • UK

            #65
            Re: sanyo no back ligth

            That's great, thanks
            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

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK

              #66
              Re: sanyo no back ligth

              I am wondering about what looks to be a cut in the main copper there...running from C134 to the connector...
              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

              • ealequi
                Badcaps Veteran
                • Dec 2012
                • 212
                • usa

                #67
                Re: sanyo no back ligth

                i check it and is good.

                Comment

                • selldoor
                  Slow Learner
                  • Dec 2010
                  • 7870

                  #68
                  Re: sanyo no back ligth

                  Can you do a full in focus picture of the bottom of the board.

                  On Pic dco6937, Tcon ,near the connector to the main board there is a White fuse with 2A on it. Can you test it?
                  and if you can get at it when its all connected up can you test the voltage on each side - black lead on ground or connector metal case then probe each side of fuse with the red probe.
                  Please upload pictures using attachment function when ask for help on the repair
                  http://www.badcaps.net/forum/showthread.php?t=39740

                  Comment

                  • ealequi
                    Badcaps Veteran
                    • Dec 2012
                    • 212
                    • usa

                    #69
                    Re: sanyo no back ligth

                    ok, picture first.

                    Comment

                    • ealequi
                      Badcaps Veteran
                      • Dec 2012
                      • 212
                      • usa

                      #70
                      Re: sanyo no back ligth

                      Attached Files

                      Comment

                      • ealequi
                        Badcaps Veteran
                        • Dec 2012
                        • 212
                        • usa

                        #71
                        Re: sanyo no back ligth

                        is this good?

                        Comment

                        • ealequi
                          Badcaps Veteran
                          • Dec 2012
                          • 212
                          • usa

                          #72
                          Re: sanyo no back ligth

                          check the fuse on the t-con, it is goog. iam going to put everything back together and do the test.

                          Comment

                          • selldoor
                            Slow Learner
                            • Dec 2010
                            • 7870

                            #73
                            Re: sanyo no back ligth

                            Pic is very good one of the best I have seen for some time.
                            If you pan along the white line in the middle to the hole
                            Just below the hole there are 3 resistors and next to them
                            C902 Just below that there is an odd bit of solder?
                            May not be doing any harm but can you check it out.
                            Please upload pictures using attachment function when ask for help on the repair
                            http://www.badcaps.net/forum/showthread.php?t=39740

                            Comment

                            • ealequi
                              Badcaps Veteran
                              • Dec 2012
                              • 212
                              • usa

                              #74
                              Re: sanyo no back ligth

                              ok. i do that now

                              Comment

                              • ealequi
                                Badcaps Veteran
                                • Dec 2012
                                • 212
                                • usa

                                #75
                                Re: sanyo no back ligth

                                was a piece of dust.

                                Comment

                                • ealequi
                                  Badcaps Veteran
                                  • Dec 2012
                                  • 212
                                  • usa

                                  #76
                                  Re: sanyo no back ligth

                                  on cn2 i am getting gnd,0,5v,0,0,12.5v,12.5v,12.5v,12.5v,0,0,15.v,15.v,3.2v

                                  Comment

                                  • budm
                                    Badcaps Legend
                                    • Feb 2010
                                    • 40746
                                    • USA

                                    #77
                                    Re: sanyo no back ligth

                                    OK, leave the TV unplugged.
                                    Put the connector on CN2 back in place.
                                    Do not have the connector plug in to the C6.
                                    Get 1K any wattage will do, connect the resistor between PIN1 (5vstby) and pin3 (BL_ON) of CN6.
                                    Plug the TV into the outlet, hit the power switch, the backlights should come on.
                                    Never stop learning
                                    Basic LCD TV and Monitor troubleshooting guides.
                                    http://www.badcaps.net/forum/showthr...956#post305956

                                    Voltage Regulator (LDO) testing:
                                    http://www.badcaps.net/forum/showthr...999#post300999

                                    Inverter testing using old CFL:
                                    http://www.badcaps.net/forum/showthr...er+testing+cfl

                                    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
                                    http://s807.photobucket.com/user/budm/library/

                                    TV Factory reset codes listing:
                                    http://www.badcaps.net/forum/showthread.php?t=24809

                                    Comment

                                    • ealequi
                                      Badcaps Veteran
                                      • Dec 2012
                                      • 212
                                      • usa

                                      #78
                                      Re: sanyo no back ligth

                                      i will try

                                      Comment

                                      • ealequi
                                        Badcaps Veteran
                                        • Dec 2012
                                        • 212
                                        • usa

                                        #79
                                        Re: sanyo no back ligth

                                        is this what you mean?
                                        Attached Files

                                        Comment

                                        • tom66
                                          EVs Rule
                                          • Apr 2011
                                          • 32560
                                          • UK

                                          #80
                                          Re: sanyo no back ligth

                                          That looks like a diode, not a resistor?
                                          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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