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Burned m1-atx, is this the voltage regulator?

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  • Burned m1-atx, is this the voltage regulator?

    First, the pic:

    Not sure how this happened, I'm pretty sure I broke it. I'm really new to soldering and I'm not comfortable replacing this part myself. Does mp3car.com or minibox do repairs? can I get it repaired for less than the cost of a new one or should I just shell out for a new one?
    My worklog.
    Status: VM GTI sold, got out of the CarPC tinkering hobby, but I still think about getting back in.

  • #2
    call the manufacturer, tell them what happened...

    They may replace or fix it for you.
    TruckinMP3
    D201GLY2, DC-DC power, 3.5 inch SATA

    Yes, you should search... and Yes, It has been covered before!

    Read the FAQ!

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    • #3
      Originally posted by TruckinMP3
      call the manufacturer, tell them what happened...

      They may replace or fix it for you.
      Really? Even though I did it? Do I call mp3car.com (where I bought it) or mini-box?
      My worklog.
      Status: VM GTI sold, got out of the CarPC tinkering hobby, but I still think about getting back in.

      Comment


      • #4
        Try Minibox.
        TruckinMP3
        D201GLY2, DC-DC power, 3.5 inch SATA

        Yes, you should search... and Yes, It has been covered before!

        Read the FAQ!

        Comment


        • #5
          That chip blows when the 12V rail is overloaded or shorted out.

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          • #6
            Originally posted by Zip-Lock
            That chip blows when the 12V rail is overloaded or shorted out.
            I'm sure this is my fault. So I was connecting a relay, controlling it from the 12V (molex connector from the m1-atx). I've got a bosch type relay and one of those relay sockets, which provides a nice harness with leads for each terminal on the relay. I wired the socket, hooked up the control wires to the m1-atx 12v rail. I was going to test the amps pulled by the across the controll lines to make sure it wasn't much. I'm not quite sure what I did wrong, but between the time the PC started up and me getting back to the hatch to check, I saw smoke. Somehow I was shorting the control circuit which overloaded the 12V rail.

            I contacted mini-box. Maybe they can repair it for less than full cost? If I could pick one up locally, I'd be tempted to do that. I had a bunch of time set aside for getting GPS working this weekend and now I'm at a standstill.
            My worklog.
            Status: VM GTI sold, got out of the CarPC tinkering hobby, but I still think about getting back in.

            Comment


            • #7
              Buy a new one, fix and sell the old one.
              PowerVoice v1 | NaviVoice Source
              GammaControl v2.4
              SKINbedder v3

              1995 Lexus SC300

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              • #8
                As long as you know how not to repeat the burnout...
                You know you want to...Worklog
                Enjoying v1.0 since it's operational. Aaaawww yeah.
                Specs: Opus120; Epia M10k; 700IDT; GlobalSat BR-355; iGuidance 2.1 & IGMod; XM; Custom case.
                Witty one-liners currently quoted by (0001) mp3car.com forum member sigs.

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                • #9
                  The reason this happened is the M1-ATX doesn’t have overload protection on the 12v rail. The next version, the M2-ATX, will have overload protection on the 12v rail.

                  Comment


                  • #10
                    Originally posted by Zip-Lock
                    The reason this happened is the M1-ATX doesn’t have overload protection on the 12v rail. The next version, the M2-ATX, will have overload protection on the 12v rail.
                    Ahh, so it has a fuse on the input side to protect against total draw, but nothing for the individual rails.
                    My worklog.
                    Status: VM GTI sold, got out of the CarPC tinkering hobby, but I still think about getting back in.

                    Comment


                    • #11
                      Can't it be fixed?
                      Renault Megane...the OEM look

                      The Lost in Europe Ford Escort

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                      • #12
                        that really sucks...
                        1990 Jeep Cherokee
                        2000 VW Golf TDI 4dr
                        2005 VW GTI MKIV - SOLD

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                        • #13
                          Originally posted by WebDog
                          that really sucks...
                          Thanks. I've got an inverter and an AC ATX PSU, maybe I'll temporarily do that. In the meantime, I need to get my relay working. After thinking about it, I'm pretty sure I shorted the relay's control cicruit with my multimeter's probes, and while the dial was turned to volts, the test probes pluged were into the amps socket. I assume the multimete provides really high resistance in the volts socket and really low resistence in the amps socket.

                          Dumb, Dumb, Dumb.
                          I really wish I knew of a local supplier.
                          My worklog.
                          Status: VM GTI sold, got out of the CarPC tinkering hobby, but I still think about getting back in.

                          Comment


                          • #14
                            Originally posted by kbyrd
                            Ahh, so it has a fuse on the input side to protect against total draw, but nothing for the individual rails.
                            I don't know about the other rails. The only thing I know for sure is the individual 12v rail doesn't have overload protection. I will ask about the other rails.

                            Comment


                            • #15
                              Originally posted by Zip-Lock
                              I will ask about the other rails.
                              I can confirm that every other rail have overload protection except the 12v rail. If the 12v rail is overloaded or shorted out in anyway that chip will blow and your M1-ATX will die.

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