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Xbox 360 No Power

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    #1

    Xbox 360 No Power

    I have a 360 that doesnt turn on with power it gives instant RROD. I have looked at a few guides about mosfets but they seem to be different in the steps.

    For example this guide says i need to touch the neg to the drain pin and the pos to the gate.
    http://forums.xbox-experts.com/viewtopic.php?f=8&t=538

    Then this guide says to touch the neg to the source and the pos to the gate then drain.
    http://in.answers.yahoo.com/question...6230136AA6Blij

    This guide says the same thing as the instruction from yahoo
    http://www.4qdtec.com/mostest.html

    So far i have removed the coils so that i can test the mosfets without removing them from the board
    http://forums.xbox-experts.com/viewtopic.php?f=8&t=3698

    I now have the problem of figuring out which mosfets are bad, since the instructions are confusing
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    #2
    Re: Xbox 360 No Power

    The first link you posted seems pretty self explanatory and sounds right to me. I'm not an expert at this stuff. But if you read up on mosfets, that post makes perfect sense to me and seems like a logical way to test if it the fet is working.

    Comment

      #3
      Re: Xbox 360 No Power

      RROD is a very general error, typically means hardware fault. Can be anything from reballing/reflowing the cpu/gpu to bad power or bad caps.

      Just curious why you think its a power problem, what lead you to that conclusion?

      I have a broken one with same problem that i still havn't gotten around to look at

      Comment

        #4
        Re: Xbox 360 No Power

        Well it depends on the error code for this console its 0001 and it turns off right away. Other error codes such as 0102 indicate the need for reflow/ reball, its all in the codes.

        Comment

          #5
          Re: Xbox 360 No Power

          Check the power supply itself.
          veritas odium parit

          Comment

            #6
            Re: Xbox 360 No Power

            Ahh, so you had the error code at hand, not just the rrod. Like toasty said I've heard of bad caps and similar in the psu so that might be worth checking out before digging to deep inside the box, or if you have a friend with a working xbox borrow their powerbrick and try it first before proceeding to save some troubleshooting time.

            Comment

              #7
              Re: Xbox 360 No Power

              *BUMP*

              veritas odium parit

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