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Sony MBX-224 fan never stop.

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    #1

    Sony MBX-224 fan never stop.

    Already flashed bios to new version and checked heatsink glue.
    Any help? Tks
    Tags: None
    #2
    Re: Sony MBX-224 fan never stop.

    check EC or thermal IC and around. Schematic is shared in the forum.

    Comment

      #3
      Re: Sony MBX-224 fan never stop.

      Check mosfet Q79, an over-current could be damaged it.
      Also check D31.

      Comment

        #4
        Re: Sony MBX-224 fan never stop.

        solved, replaced U4 NPCE783LA0DX

        tks all

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          #5
          Re: Sony MBX-224 fan never stop.

          Hello Friends I bought second hand Sony Vaio PCG-41213W yesterday, It worked well doesn't showed any error or activity for 4-5 hours. But today when I turned it on,it doesn't start, after the windows logo, all lights and display turned off, but processor fan continue running, only stops after removing battery. when I turn it on it runs for 30 seconds, first keyboard's light turns to dim and off, then it produces a sound of spark(short) then all lights goes off and fan still running, please suggest me solution,, thanks

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            #6
            Re: Sony MBX-224 fan never stop.

            Originally posted by jaspr View Post
            Hello Friends I bought second hand Sony Vaio PCG-41213W yesterday, It worked well doesn't showed any error or activity for 4-5 hours. But today when I turned it on,it doesn't start, after the windows logo, all lights and display turned off, but processor fan continue running, only stops after removing battery. when I turn it on it runs for 30 seconds, first keyboard's light turns to dim and off, then it produces a sound of spark(short) then all lights goes off and fan still running, please suggest me solution,, thanks
            that`s why they sold it!

            they knew the video chip its bad.
            you need a reball for that chip or swap
            Attached Files
            Just cook it! It's already broken.

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              #7
              Re: Sony MBX-224 fan never stop.

              Originally posted by dj_ricoh View Post
              that`s why they sold it!

              they knew the video chip its bad.
              you need a reball for that chip or swap
              hey thanks dj_ricoh for support, can you please tell me from where I can get that video chip? and is it easy to replace that video chip?? or should I swap the motherboard? please suggest any online web store for both solutions, that can send items worldwide.

              thanks..

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                #8
                Re: Sony MBX-224 fan never stop.

                in my case fan not working i just change mosfet q79 and its done.

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                  #9
                  Re: Sony MBX-224 fan never stop.

                  jaspr> do a reflow and u have it worked for few month/s

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                    #10
                    Re: Sony MBX-224 fan never stop.

                    thanks

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