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Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

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    Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

    I ask the Lenovo ThinkPad W540 WISTRON LKM-1 WS 12291-2 scheme. Or help in the extraction of the burnt component under the number U47.
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    #2
    Re: Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

    On the 5th pin of the element is understated resistance. R<1 Ohm. Please say where is this conclusion connected?
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      #3
      Re: Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

      Schematic .
      Attached Files
      All donations to badcaps are welcome, click on this link to donate. Thanks to all supporters

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        #4
        Re: Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

        Originally posted by SMDFlea View Post
        Schematic .
        Thanks for assistance, punched HUB has been revealed.

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          #5
          Re: Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

          Originally posted by SMDFlea View Post
          Schematic .
          Thank you

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            #6
            Re: Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

            lkm-1 12291-2 boardview need

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              #7
              Re: Lenovo Thinkpad W540 Wistron LKM-1 WS 12291-2

              Boardview
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