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A4 Head unit problems

Discussion in 'In-Car Entertainment' started by LaSarthe&Back, Apr 13, 2007.

  1. LaSarthe&Back
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    LaSarthe&Back Member

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    [Apr 13, 2007]
    I've got the head unit from my dad's A4 out of the car, and on a bench for inspection and repair (of cd playing problems). Got a 12V 5A DC power supply feeding it, it turns on, SAFE is displayed, I enter the code correctly and the display switches to display bands and station numbers only for a split second.

    The unit then dies, and needs powering up again and the process repeating.

    The pinout diagram shows a K BUS pin, does this need to be connected to the car? If not, what am I doing wrong??

    Thanks for looking, and hopefully you can provide some help!!

    Andy
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  3. LaSarthe&Back
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    LaSarthe&Back Member

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    [Apr 18, 2007]
    any ideas anyone?? Got this in bits and would like to get it working as soon as possible.

    Cheers!
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