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Thread: Pioneer IP bus hack confusion

  1. #51
    Constant Bitrate
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    Get a multimeter and put it on to continuity test. Put one probe onto the pin in the connector and the other onto each wire in turn until you find which is which. Use the diagrams posted previously to determine the channels

  2. #52
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    Quote Originally Posted by Enforcer
    No, you're spot on. If I switch to aux, I get just my Carputer playing. If I switch to CD player and the carputer is playing I get both.

    IT even mentions it in the manual

    I must admit I was kinda disappointde with Pioneer when I read that.
    How come u are disappointed ?

    When you switch to CD, it cannot possible know that there is another source coming to same audio line as CD itself.

    In other hand, you should make sum sort of pinout from the ip-bus line which goes active when you change to CD which then tells carputer to stop playing ... or mutes RCA sumhow Make a relay stuff to cut the audio ground when that wire goes active

  3. #53
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    Quote Originally Posted by stipoy
    hi, i tried splicing into the IP-bus cable for my RCA wires, but couldn't figure out which wires to splice into. Inside the IP-bus cable are a thick blue wire, a thick gray wire, a thick black wire, then a thin orange wire and a thin gray wire.

    would u know which ones are L+/- and R+/-?

    thanks for your help.
    Inside those thick wires goes 2wires more. If i remember correctly, it isnt the black one. I ended up to buy another used ip-bus cable and used it.

  4. #54
    Confusion Master
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    Quote Originally Posted by kungmpton
    How come u are disappointed ?

    When you switch to CD, it cannot possible know that there is another source coming to same audio line as CD itself.

    In other hand, you should make sum sort of pinout from the ip-bus line which goes active when you change to CD which then tells carputer to stop playing ... or mutes RCA sumhow Make a relay stuff to cut the audio ground when that wire goes active
    [rant]If I pay x amount of money (they are not cheap boxes) for a switch box that switches between the multiplay CD and another source, the least I would expect it to do it make sure only one source goes through at a time. All it needs to do is switch off the pass through from the second device when a CD is playing. It ain't 'king rocket science. [/rant]

  5. #55
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    Quote Originally Posted by kungmpton
    Inside those thick wires goes 2wires more. If i remember correctly, it isnt the black one. I ended up to buy another used ip-bus cable and used it.
    thanks, i split open the gray and blue wires and found more wires inside.... actually there are 3 wires inside..... inside the blue wire seem to be the right channel wires.... there are two wires and what seems to be a ground wire (around the other two wires).... similar to a coaxial wire, except with 2 wires inside. can't seem to figure it out though.... the two wires seem to be the +/- since when i connect my rca wires, it gives really good sound, when i try to use the ground wire for my -, sound comes out but it's very weak.... any ideas?

  6. #56
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    Static on speakers when iPOD is connected

    i was able to successfully connect my iPod to my pionner HU with the diagrams here and it sounds great... however, when i press the car horn or switch off my headlights, i hear a faint "spark" like sound on my speakers, which i think is static..... has anyone experienced this?

  7. #57
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    yeh i need those pictures of the schematics

  8. #58
    Constant Bitrate
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  10. #60
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    Okay. So what if you wanted to make a cable going from ip-bus to ipod dock connector? What I'm trying to do is figure out the correct pinout for my deh-p3300 so I can charge my ipod while it's connected to my HU. I've seen these cables on ebay... just search for ip-bus and you'll find one. I've got the connector for the dock connection on my ipod and the pinout for it. I just can't figure out what pins on my pioneer to use to charge with. Anybody know?

    edit - I checked the pinout schematic that's been posted and it does not match my HU. For instance ... when I was checking power with my multimeter I found that pin 11 puts out 12V... or source voltage. Hmmmmm.....

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