Samsung NP3530EC

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  • Dronny
    New Member
    • Sep 2015
    • 8
    • England

    #1

    Samsung NP3530EC

    Hi, I hope someone can help with my problem. I have replaced a DC jack on a Samsung NP3530EC, something I have done a few times on this model alone. This time however the laptop wouldn't turn on or charge, its at this point I noted two very tiny components burned out close to the jack. When I touched them with tweezers they just fell off the board! I have quite a few faulty motherboards from various laptops hanging around that could be used to donor components, however I would really like to know what the components were and if replacement is possible.

    Picture attached.

    PS I am reasonable with a soldering iron.

    Thanks in advance
    Attached Files
  • Dronny
    New Member
    • Sep 2015
    • 8
    • England

    #2
    Re: Samsung NP3530EC

    Hi, could anyone please offer any advice to what components were that burnt out. I have attached a picture of the same model of board without damage if that may help with identification.
    Attached Files

    Comment

    • DSpawnZ
      Member
      • May 2009
      • 20
      • Argentina

      #3
      Re: Samsung NP3530EC

      Hi. I will check later if I have the same board at hand. They look like capacitors.

      Regards
      Last edited by DSpawnZ; 09-17-2015, 12:26 PM.

      Comment

      • highpulse
        i hate HP
        • May 2013
        • 1488
        • portugal

        #4
        Re: Samsung NP3530EC

        ths components are , coils , you can make a bypass between to sides , or simple put another coil .

        Comment

        • highpulse
          i hate HP
          • May 2013
          • 1488
          • portugal

          #5
          Re: Samsung NP3530EC

          but you must remove both you got here in this moments , since they are not good . remove from another board or simply make a bridge between to sides ... you will have outher circuit protection further along the 19volts rails , so dont worry to much if you dont find the coil itself to replace .

          Comment

          • Dronny
            New Member
            • Sep 2015
            • 8
            • England

            #6
            Re: Samsung NP3530EC

            Thank you so very much for your advice. it is appreciated. Thanks to you all.

            Comment

            • ktmmotocross
              Boardkiller
              • Feb 2014
              • 3581
              • slovakia

              #7
              Re: Samsung NP3530EC

              it is capacitors. coils are big near. u dont need it.

              Comment

              • highpulse
                i hate HP
                • May 2013
                • 1488
                • portugal

                #8
                Re: Samsung NP3530EC

                ktm now , does 2 right side of the dc jack are coils , small coils
                they look like capacitors but they aren't

                Comment

                • highpulse
                  i hate HP
                  • May 2013
                  • 1488
                  • portugal

                  #9
                  Re: Samsung NP3530EC

                  my bad i didnt notice first picture , the broken ones , are capacitor , just remove then t usually does 2 coils right near does capacitor , usually also get damaged . so you must have 19 volts on both sides of does coils . if they dont have voltage (this are the ones i mention you can bridge ) the small ones you CAN?T bridge them or else you short 19 volts line to gnd |

                  Comment

                  • Dronny
                    New Member
                    • Sep 2015
                    • 8
                    • England

                    #10
                    Re: Samsung NP3530EC

                    Thanks for all the help. This is what i did, i found a replacement for the small component on the left and soldered it on and the same for the other, however i then ended up with the positive and negative showing contnuity and nothing working, anyway quite by accident really with a little bit of a clumbsy hand with the soldering iron i knocked off the component to the right and despite there been nothing bridging the gap i now have a fully functional motherboard that charges and now boots normaly. ??? Any ideas why.

                    Comment

                    • bicalov
                      Badcaps Veteran
                      • Nov 2014
                      • 294
                      • Netherlands

                      #11
                      Re: Samsung NP3530EC

                      Must have been a shorted capacitor. Often the system works ok without replacing them, because the are only there minimize interference etc.

                      Comment

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