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Thread: Adding Aux to my Alpine head unit

  1. #1
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    May 2005
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    Adding Aux to my Alpine head unit

    Hey guys, I have a tdm-7544 tape head unit, it has an mbus adapter on the back of it, so I tried to hook up the kcm-122b adapter to give me RCA jacks. The adapter fit in perfectly but it wouldnt enable the AUX input when I clicked on Source. So does anyone know how I can tap into the AUX input on the headunit I own?

    Thanks again.

    --Daryl


    If this headunit doesnt support it is there a headunit that you can recommend that is under $90 dollars?

  2. #2
    Constant Bitrate
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    On on my ai-net bus i had to ground the audio interrupt in wire (pink w/ black or pink w/ white if i remember right).. then it would switch to aux in.
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  3. #3
    Maximum Bitrate shizzle's Avatar
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    My head unit (pioneer though) has a function in the main setup menu (where clock setting is) to turn on aux in. I had to do this before I could select it with "source."
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  4. #4
    Low Bitrate
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    I have an alpine head unit, I have to into menu and turn aux on before I can select it in source. Maybe you have to do the same.

  5. #5
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    I have same HU, i are looking for PIC code, but my code found in the web doesn't function with a PC or piC. I need more info about the clock presicion, moment and special secuence to LIE to HU about the existance of CD

  6. #6
    MySQL Error MatrixPC's Avatar
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    I don't think you can do it with that "old" M-BUS HU.
    I have dig into this option for a long time and give up. You have to have the CDC hookup and cut in to the audio signal. Other than that, there is no aux in thru M-BUS.
    Why not use tape adapter? Is is sound much better than you think. That is what I use on my TDM-7534.
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  7. #7
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    Because I never want lost a WAR!!!! Ha-ha-ha

  8. #8
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    on my head unit, a 9803, you press and hold the F button, then press the next and previous buttons until "AUX" is selected, then press band to activate AUX instead of the cd-Changer

    I could not find a decent high res pic of your head unit, but if there is a function button, or a "setup" button, press and hold that and see if that works

  9. #9
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    Tape adapters suck. I got a XM SKYFI 2 for father's day and have been using the tape adapter but got sick of it sounding like poo. So I tried to wire an 3.5mm adapter into the the CD changer port, with no luck. I ended up having to leave the cd changer connected but cut the audio line and connect from there. It sounds soooo much better. I can even using my Creative jukebox. Sweet.

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