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Thread: v2 repair

  1. #1
    Junior Member
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    Default v2 repair

    My v2 has been messed up for a while. It stoped powering up off the usb. I always have to have it plugged into the vehicle to update the firmware or just get licensing info. Now I have a new laptop and it can't identify the v2 even when hooked up my desktop it says usb device not recognized and one of the usb devices attached to this computer has malfunctioned, and windows does not recognize it. Can it be fixed? Who do I send it to.

  2. #2
    EFILive Crew Site Admin Tordne's Avatar
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    Please email support@efilive.com
    Andrew
    EFILive Crew


  3. #3
    Joe (Moderator) joecar's Avatar
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    Boosted GMC,

    Where are you located...?

  4. #4
    EFILive Crew Site Admin Tordne's Avatar
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    He has already emailed me as requested and I have replied
    Andrew
    EFILive Crew


  5. #5
    Joe (Moderator) joecar's Avatar
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    Cool...

  6. #6
    Member Treurentner's Avatar
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    Default V2 dies on usb

    Hi.
    I have exactly the same problem as boosted GMC described.
    Mine is fine too - plugged in OBD2 and can communicate with the laptop as well.
    With the USB-laptop connection only it trys to power up but is stuck then with all 5 LED´s on.
    I could fix it myself - if this is a known problem, but would need some instruction what part is defective (voltage regulator or so), never disassembled my V2 before.
    All tools for smd soldering are on my table and I use them often....
    How can I proceed? (I´m located in Berlin / Germany)
    Kind regards!

    Marco
    Last edited by Treurentner; January 24th, 2009 at 11:24 PM.

  7. #7
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    I sent mine in for repair. Ira fixed it in one day and only charged me for the bench charge and shipping. He also uploaded the latest firmware and bootblock loader. I couldn't be happier with the way this was handled.

  8. #8
    Forum tyhee Site Admin GMPX's Avatar
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    Marco, contact Ira at Fish Tuning, he might be able to point you in the right direction as he does repair V2's, it might be better option than sending your V2 half way around the world. http://www.fishtuning.com/

    If you attempt the repair yourself obviously warranty will be out the window, but if you have all the right SMD equipment then it should be pretty straight forward as none of the parts are too small.

    Cheers,
    Ross
    Need official EFILive help, please go here.
    For tuning support please post your questions on this forum (or other auto forums).
    Sorry if I don't respond to your PM, don't take it personal.


  9. #9
    Member Treurentner's Avatar
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    Hi Ross,

    I contacted Ira (he replied very quick) and bougt the (propably defective) USB protection circuit today. We will se what happens after the swap.
    I ´ll keep you posted.

    Kind regards

    Marco

  10. #10
    Member Treurentner's Avatar
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    Hi,

    I fixed it!

    Ira wrote me:
    Right near the USB connector is an 8 pin chip, usb6b1, it will
    usually have a hole in it where it exploded. It's almost always that
    part. Once it was also the FTDI USB chip and once I couldn't fix it,
    but it had lots of other blown up stuff also.

    an so I voided my warranty and this is the V2 PCB :



    on the right hand side you can see the exploded USB protection chip
    With the wire I pulled up every SMD pin to desolder the chip with an ordinary solder iron.



    after the desoldering it looks like this:



    and now the new usb chip is in again (ok - it could have been placed a little more exact but it works...)



    Many thanks to Ira and kind regards from Germany

    Marco

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