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Thread: Burned m1-atx, is this the voltage regulator?

  1. #1
    Maximum Bitrate kbyrd's Avatar
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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. #2
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    call the manufacturer, tell them what happened...

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

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  3. #3
    Maximum Bitrate kbyrd's Avatar
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    Quote 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.

  4. #4
    Self proclaimed spoon feeder TruckinMP3's Avatar
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    Try Minibox.
    TruckinMP3
    D201GLY2, DC-DC power, 3.5 inch SATA

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

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

  6. #6
    Maximum Bitrate kbyrd's Avatar
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    Quote 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.

  7. #7
    My Village Called 0l33l's Avatar
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    Buy a new one, fix and sell the old one.

  8. #8
    Variable Bitrate Viscouse's Avatar
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    As long as you know how not to repeat the burnout...
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  9. #9
    FLAC
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    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.

  10. #10
    Maximum Bitrate kbyrd's Avatar
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    Quote 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.

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