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[SOLVED]82-3330 - USB not working.

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  • [SOLVED]82-3330 - USB not working.

    Customer said the one USB port was intermittent then dead and now the other one is dead too.

    I get power on my external drive caddy but it never it never shows up.
    (I seem to have misplaced my plain-old-mouse somewhere can't test just yet for a red light).

    In diode mode:

    L4610::1 = 0.287
    L4610::2 = 0.287
    L4610::3 = 0.288
    L4610::4 = 0.287

    L4620::1 = 0.699
    L4620::2 = 0.698
    L4620::3 = 0.698
    L4620::4 = 0.699

    Going to search for my plain-old-mouse with a red light now.


  • #2
    Measure diode mode on data pins on the actual USB port. Pretty sure it will just be a bad L4610/20 as usual.

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    • #3
      Can an L4610 from a 820-2850 work on an 820-3330?

      How can I tell which is Pin 1 on an L4610?

      Looking at a boardview, it's like they're inverted to each other.
      Last edited by gcain; 02-14-2017, 10:21 PM.

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      • #4
        All the same, orientation does not matter either.

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        • #5
          Thanks.
          Swapped L4610, no change.

          USB lights up but doesn't see boot drives at boot options screen.

          I have another L4610 handy, going to swap it again, just in case to see.
          Last edited by gcain; 02-14-2017, 10:51 PM.

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          • #6
            Replaced it twice now.
            No change.

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            • #7
              Swapped out D4600 and D4610 and all is well.

              Mark solved please.

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