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No link/power between Radio HU and CD player/changer

Discussion in 'A3/S3 Forum (8L Chassis)' started by VAGMAN1, Apr 28, 2007.

  1. VAGMAN1
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    VAGMAN1 Member

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    [Apr 28, 2007]
    Fitted a new (to me!) Concert HU today and it won't link to the CD changer in the back. The old one worked fine.

    The changer is a sony unit, so running a differant BUS lead and adaptor - checked this lead and all looks ok.

    Ruled out the HU as I tried another Concert HU and that has the same problem in my car but conversely my HU works in his car - he does, however, have an original Audi CD changer.

    When you plug in the plug/lead for the CD, it makes a single click noise, but that's it - no power to the unit at all.

    Also, occasionally when you press mode key, the unit displays 'NO CD'

    any ideas....please?!
    #1
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