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Thread: Panasonic Headunit - MAKING an AUX in..

  1. 08-05-2003, 08:27 PM #1
    captain_jim1
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    Panasonic Headunit - MAKING an AUX in..

    My Panasonic HU doesn't have an AUX in .. I know that the step up model does have one and was wondering what would be required to create an AUX IN on this HU. I've searched the forums and found stuff on other HUs, but nothing too specific. I am thinking that since the step up model has AUX IN that this one is probably the same board, just without the proper elements soldered in.

    What about using the CD Changer Input and making an AUX IN through that? What is involved there.

    Finally, I have an older Panasonic HU that has one of the lines on the circuit board fried from a bad install my friend did (smoke everywhere .. it was nuts). We soldered a wire to bridge the burnt strip, but it worked minimally. The HU played songs when hooked up to an amp, but wouldn't play when just hooked to speaker... guessing the burnt line worked with the internal amp. Can I mask off the circuit board everywhere, but where I want to put a new line then just lay some solder down where the line was burnt out?

    I can provide High Quality photos of any of this is anyone wants...

    -Brad
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  2. 08-06-2003, 02:51 AM #2
    SiliconIce
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    I have been looking for info on the Panasonic CD changer ports. These can be hacked to provide aux inputs, however, I have found far less info on Panasonics compared to Sony,Pioneer,Alpine etc...there are lots of broken links out there. Too bad, I like the Panasonics most, haven't bought yet but I want one of them. IIRC, to fool the unit into thinking there is a changer, you will probably need some PIC/microcontroller that will talk to the HU in Panasonic's protocol (also somethign that brings up many broken links so far). My end goal is to emulate a CD changer and use a mini-itx computer to play mp3s, with all the goodies like CD-Text emulated as well...long road ahead

    Here's some info for a start: http://www.k9spud.com/phorum/read.php?f=1&i=146&t=128

    If anyone else knows of a complete protocol analysis for Panasonic HUs, please post! I have found great Sony Unilink pages, but none for Panasonic
    -SiliconIce
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  3. 08-06-2003, 03:12 AM #3
    Skraggy_uk
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    Hmm. Got a Panasnic CD headunit myself, but unfortunstly doesn't have a CD changer input. Picked the wrong damned one, because it was on special, and my old Proplus stopped working.
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  4. 08-06-2003, 03:16 PM #4
    captain_jim1
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    If I had a job and lots of money I would just go get a new HU .. but this is what I'm stuck with. Anyone know ANYTHING about these things?

    What the different pins might even be? Ways to discover what is what? Anyone?

    -Brad
    83 mp320i 285k
    -Brad
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  5. 08-07-2003, 02:04 AM #5
    SiliconIce
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    Some info: http://www.mictronics.de/?page=cdc_proto

    We are going to need more than this though...
    -SiliconIce
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  6. 08-07-2003, 02:19 AM #6
    frodobaggins
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    Even if you get it soldered up right the functions may still be disabled in the radios firmware.

    Just a warning.
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  7. 08-07-2003, 03:32 AM #7
    SiliconIce
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    The CD Changer has to be able to talk to the reciever, so it *has* to be enabled somehow, though its quite possible that more than just a cable is needed. I plan to build a complete microcontroller device anyway though since I don't simply want an AUX in.

    I have been looking around and found that the US models of the Panasonic changers don't support CD TEXT, but there seems to be models in the UK that do. Seems very odd...I want one that shows the CD TEXT on the HU so I can learn how to have the comp send the HU data. hmm...
    -SiliconIce
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  8. 08-07-2003, 03:36 AM #8
    frodobaggins
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    I didn't see the part about the cd-changer input, sorry

    good luck
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