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samsung ps42c450b1w clicking

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    #21
    Re: samsung ps42c450b1w clicking

    On this tcon I have checked this fuse and have nothing showing
    Would this be the problem
    Attached Files

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      #22
      Re: samsung ps42c450b1w clicking

      nothing showing? are you trying to test it on ohms? or with tv on and voltage each side of the fuse?

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        #23
        Re: samsung ps42c450b1w clicking

        Make sure not to confuse a single "1" on meter with 0.0 ohms.
        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.

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          #24
          Re: samsung ps42c450b1w clicking

          Definitely not the tcon board just checked with a working one
          Any other ideas please ?

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            #25
            Re: samsung ps42c450b1w clicking

            Is light on t-con lit up? Flashing?
            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.

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              #26
              Re: samsung ps42c450b1w clicking

              Hi yes the light comes on when cycling about 6 times.
              Then goes out
              If I unhook tcon from psu the tv starts up but no picture.
              Or if I unhook y main. It starts up
              I'm getting so frustrated with this tv
              Any help would be appreciated

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                #27
                Re: samsung ps42c450b1w clicking

                So it STOPS clicking with Y-main out?
                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.

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                  #28
                  Re: samsung ps42c450b1w clicking

                  Yes y main out no clicking
                  Y main is good and x and main swapped out

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                    #29
                    Re: samsung ps42c450b1w clicking

                    And yes sorry tcon light is flashing

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                      #30
                      Re: samsung ps42c450b1w clicking

                      How are you certain the Y-main is 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.

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                        #31
                        Re: samsung ps42c450b1w clicking

                        Y main was replaced

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                          #32
                          Re: samsung ps42c450b1w clicking

                          Means f*** all... you could have got a bad board and that has happened to me MANY times. Sellers just don't test their boards.
                          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.

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                            #33
                            Re: samsung ps42c450b1w clicking

                            What's the best way to test the y main
                            I know I could have got a bad one

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                              #34
                              Re: samsung ps42c450b1w clicking

                              Check ohms between Vs and GND, and check all transistors/diodes (mounted on heatsinks.)
                              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.

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                                #35
                                Re: samsung ps42c450b1w clicking

                                Have the same model and same problem, TV turns on with Y main disconnected. Did you find problem on y main?

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                                  #36
                                  Re: samsung ps42c450b1w clicking

                                  I am having the same problem, if I disconnect the y board the tv chimes but don't get no picture, i have changed power board, t con board and y board, the only possible other thighs it could be is the y buffer board, how can I test this to see if that is the problem, any help and ideas welcome thanx

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                                    #37
                                    Re: samsung ps42c450b1w clicking

                                    Here's Tom's Samsung buffer test: http://youtu.be/51SZsfH60EY

                                    This may also be helpful: http://youtu.be/JjrwTZC5nVg
                                    Last edited by capkid; 04-18-2015, 08:52 AM.
                                    LG Plasma Mal-Discharge Correction Service

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                                      #38
                                      Re: samsung ps42c450b1w clicking

                                      I've got a buffer board on order will let u know if it sorts out my problem

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                                        #39
                                        Re: samsung ps42c450b1w clicking

                                        have u tested the xsus also im having the same problem as you even though my buffer tested fine ?

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                                          #40
                                          Re: samsung ps42c450b1w clicking

                                          I've fitted new y buffer board and still no luck, I have come to the conclusion that it must be that z board, I have disconnected both cables from the y board and the tv gets the chimes but still no pic does that point to the z board?
                                          Attached Files

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