Samsung PS50B530S2W

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  • speedypro
    Badcaps Veteran
    • Feb 2013
    • 561
    • United Kingdom

    #1

    Samsung PS50B530S2W

    The relay, if it is, keeps getting damaged when tv in on for few minutes. As if high current is going to it. See pictures:









    I have bought a new board, worked for 20mins then the same issue as old board (in pics).
    Attached Files
    Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer
  • speedypro
    Badcaps Veteran
    • Feb 2013
    • 561
    • United Kingdom

    #2
    Re: Samsung PS50B530S2W

    Any one can help me out??
    Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

    Comment

    • ReeceyBurger123
      Never Give Up !
      • May 2014
      • 7325
      • Britain

      #3
      Re: Samsung PS50B530S2W

      Thats not a relay its a Polly cap think for the Vs voltage probably means Vs fets are short. Do you have a DMM and do you know how to check for Short Circuit ?
      Last edited by ReeceyBurger123; 09-24-2015, 05:50 AM.
      Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

      https://www.facebook.com/Telford-Tel...7894576335359/

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      • tom66
        EVs Rule
        • Apr 2011
        • 32560
        • UK

        #4
        Re: Samsung PS50B530S2W

        Did you replace that capacitor?
        You may not have used the proper pulse DC rated cap. It is important that you don't just use an X-cap from a power supply, or otherwise.
        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

        • speedypro
          Badcaps Veteran
          • Feb 2013
          • 561
          • United Kingdom

          #5
          Re: Samsung PS50B530S2W

          Thanks for the reply! I have not changed anything. I have two boards: the original with same part burnt. Ordered a used board from ebay, it worked for few minutes then after it cuts out. Looking the board, it has the same as original. Is the transformer causing it?
          Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

          Comment

          • speedypro
            Badcaps Veteran
            • Feb 2013
            • 561
            • United Kingdom

            #6
            Re: Samsung PS50B530S2W

            Originally posted by tom66
            Did you replace that capacitor?
            You may not have used the proper pulse DC rated cap. It is important that you don't just use an X-cap from a power supply, or otherwise.
            Looking at the schematics, the burnt cap is: 68nF / 1250V
            Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

            Comment

            • tom66
              EVs Rule
              • Apr 2011
              • 32560
              • UK

              #7
              Re: Samsung PS50B530S2W

              That cap does go bad on some of these sets. I would try replacing it. Use an SMPS high pulse DC rated polyester capacitor.
              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

              • speedypro
                Badcaps Veteran
                • Feb 2013
                • 561
                • United Kingdom

                #8
                Re: Samsung PS50B530S2W

                Originally posted by tom66
                That cap does go bad on some of these sets. I would try replacing it. Use an SMPS high pulse DC rated polyester capacitor.
                I can only this from the UK: http://www.chsinteractive.co.uk/elec...-rm-37-5mm.htm
                Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

                Comment

                • ReeceyBurger123
                  Never Give Up !
                  • May 2014
                  • 7325
                  • Britain

                  #9
                  Re: Samsung PS50B530S2W

                  I had it on a Ps50c450 where Vs fets were short. Were blowing that cap. Check them before blowing another cap.
                  Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

                  https://www.facebook.com/Telford-Tel...7894576335359/

                  Comment

                  • speedypro
                    Badcaps Veteran
                    • Feb 2013
                    • 561
                    • United Kingdom

                    #10
                    Re: Samsung PS50B530S2W

                    Originally posted by ReeceyBurger123
                    I had it on a Ps50c450 where Vs fets were short. Were blowing that cap. Check them before blowing another cap.
                    Yes I have found the shorted fet: EN210A. Need to find a UK supplier.
                    Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

                    Comment

                    • ReeceyBurger123
                      Never Give Up !
                      • May 2014
                      • 7325
                      • Britain

                      #11
                      Re: Samsung PS50B530S2W

                      Yeah thats probably whats killing that cap have you also checked the gate driver circuit ?
                      Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

                      https://www.facebook.com/Telford-Tel...7894576335359/

                      Comment

                      • flocko
                        Badcaps Legend
                        • Nov 2012
                        • 1121
                        • uk

                        #12
                        Re: Samsung PS50B530S2W

                        The EN210A is a 100v 10A TO-220 schottky diode full part number FMEN210A should have no problem finding them digi-key list them so would RS I think

                        Comment

                        • speedypro
                          Badcaps Veteran
                          • Feb 2013
                          • 561
                          • United Kingdom

                          #13
                          Re: Samsung PS50B530S2W

                          Ok I have replace the FET with a new one we've got, resoldered the 'almost damaged cap' but it still burns on that same pin. Done few research as I feel as though those caps can 'age'.

                          I'll wait for the new cap and report back if same problem.

                          Thanks.
                          Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

                          Comment

                          • ReeceyBurger123
                            Never Give Up !
                            • May 2014
                            • 7325
                            • Britain

                            #14
                            Re: Samsung PS50B530S2W

                            What do you mean almost damaged ?
                            Please Do Not PM My Page Asking For Help Badcaps Is The Place For Advise, Page Linked For Business Reasons Only. Anyone Doing So Will Be Banned Instantly !

                            https://www.facebook.com/Telford-Tel...7894576335359/

                            Comment

                            • speedypro
                              Badcaps Veteran
                              • Feb 2013
                              • 561
                              • United Kingdom

                              #15
                              Re: Samsung PS50B530S2W

                              Those pictures are of the first board. The second board, bought off ebay, the cap pin burnt only to cause 'cold solder'.
                              Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

                              Comment

                              • speedypro
                                Badcaps Veteran
                                • Feb 2013
                                • 561
                                • United Kingdom

                                #16
                                Re: Samsung PS50B530S2W

                                I have replaced the polly cap and all seems ok. But I know the tv works.




                                I've used my heat glue gun to fit it nicely.
                                Attached Files
                                Full-time computer repair tech (10am - 6pm) and full-time, (8am - 11pm), Ruby on Rails Developer

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