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Toshiba Satellite A300 freezes nec toking

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    #1

    Toshiba Satellite A300 freezes nec toking

    Hello,
    My laptop freezes when its charging (working well on battery), with distorted image of various colors on screen.
    I opened it and found a nec toking cap, could be the nec toking the problem for not working well ? or its the gfx card ? Ati 3400.
    Also reboots it self :\
    Ill post some pics as soon as it freezes again.

    Thx
    and sorry for my english.
    Last edited by darjness; 02-22-2013, 07:23 PM. Reason: nn
    Tags: None
    #2
    Re: Toshiba Satellite A300 freezes nec toking

    there is a very very long thread already made about this problem, you will need to replace the tokin chip or modify it with tantalum smd capacitors...
    Last edited by heavymachines; 02-22-2013, 08:07 PM.

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      #3
      Re: Toshiba Satellite A300 freezes nec toking

      Originally posted by heavymachines View Post
      there is a very very long thread already made about this problem, you will need to replace the token chip or modify it with tantalum smd capacitors...
      Thank you for fast answer, i saw the nec toking thread, i only want to be sure.
      I think i would replace the nec tokin for 4x 330uf cap, with i found for 15€ a pack of 4.

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        #4
        Re: Toshiba Satellite A300 freezes nec toking

        I have just done the same exact replacement today and it works, so go ahead and order those caps. Btw, i recommend just breaking and scraping off the Tokin cap with a blade, instead of attempting to remove it with hot air, as you may damage the solder balls under the CPU socket if you heat it up too much.
        Originally posted by PeteS in CA
        Remember that by the time consequences of a short-sighted decision are experienced, the idiot who made the bad decision may have already been promoted or moved on to a better job at another company.
        A working TV? How boring!

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          #5
          Re: Toshiba Satellite A300 freezes nec toking

          Originally posted by Th3_uN1Qu3 View Post
          I have just done the same exact replacement today and it works, so go ahead and order those caps. Btw, i recommend just breaking and scraping off the Tokin cap with a blade, instead of attempting to remove it with hot air, as you may damage the solder balls under the CPU socket if you heat it up too much.
          ^This. Pliers and a thin needle to remove the bottom-most layer is all you need. Much easier
          Dell E7450 | i5-5300U | 16GB DDR3 | 256GB SSD

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            #6
            Re: Toshiba Satellite A300 freezes nec toking

            I've done a number of these and the best tool I've found to remove the old Nec Tokin cap is a good nail clipper! it can grab at the bottom layer and rip it up quite easily. When you get used to it, it's very quick and you won't even need a blade to clean it up before soldering. I always scrape it a bit with the end of a small flat blade screwdriver before soldering the new caps in.
            You get a lot of leverage power, precision and control with the nail clipper.

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              #7
              Re: Toshiba Satellite A300 freezes nec toking

              Replace nec tokin???

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                #8
                Re: Toshiba Satellite A300 freezes nec toking

                Originally posted by aris_prast1 View Post
                Replace nec tokin???
                It is a type of capacitor that used to filter low voltage, high current rails like Vcore. https://www.badcaps.net/forum/showthread.php?t=8991
                It gradually fails causing random crashes.

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