Need help to ID for novice

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  • Bishop
    Senior Member
    • Apr 2009
    • 99

    #1

    Need help to ID for novice

    I have two Elite Gate control motherboards that died. The first boards lasted about five years, the company replaced it for free. The second board lasted about the same and the company replaced it again without cost to me. But I saved them both, just in case.
    I was going thru my rainy day (When I can't work outside) stock and decided to ID the problem. I just replaced the bad mofset on board #1, and I'll keep the board until I need it.
    Board #2 has a SMD burnt, but I'm not sure about its value ID.

    I posted some pics of board #1 that shows the same good SMD for ID and a pic of the burnt SMD.

    Any Ideas
  • Bishop
    Senior Member
    • Apr 2009
    • 99

    #2
    Re: Need help to ID for novice

    My wife called dinner, I forget the pics
    Attached Files

    Comment

    • stj
      Great Sage 齊天大聖
      • Dec 2009
      • 31015
      • Albion

      #3
      Re: Need help to ID for novice

      it looks like an inductor, can you check the resistance across the good one next to it?

      Comment

      • Bishop
        Senior Member
        • Apr 2009
        • 99

        #4
        Re: Need help to ID for novice

        Could this inductor cause total failure of the motherboard?

        Comment

        • stj
          Great Sage 齊天大聖
          • Dec 2009
          • 31015
          • Albion

          #5
          Re: Need help to ID for novice

          hard to say.
          if the power is going through it then the board will lose power.

          Comment

          • budm
            Badcaps Legend
            • Feb 2010
            • 40746
            • USA

            #6
            Re: Need help to ID for novice

            I would say it is inductor (ferrite bead) too, check the resistance between GND and each end to see if it shows low resistance <100 Ohms. It may have burnt up due to heavy current flowing through it.
            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

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