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Thread: How to: Discovery 2 wired Aux/Mp3 audio input.

  1. #11
    Join Date
    Jan 2015
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    Sarasota, FL
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    I know this is a long shot, could you repost the pictures for this thread? The photo urls are dead now, I was able to view them several months ago but now I'm actually ready to undertake this project. It would really help if I could see your work and wiring diagrams. Thanks in advance and happy new year!

  2. #12
    Join Date
    Jan 1970
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    Melbourne, AU
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    Look two items up from yours the PDF link is there which includes photos.
    _________________________
    Discovery 2 2002 Td5 ES Auto
    Defender 110SE 2023 D300

  3. #13
    Join Date
    Dec 2008
    Location
    Geelong, Victoria
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    Any chance to get more details on this please?
    The pictures no longer work.

    Thanks!


    Quote Originally Posted by grumpybastard View Post
    Discovery 2 wired Aux/Mp3 audio input for $10

    The issue for me has been how to connect an Mp3 player to the Disco Stereo.

    I tried the FM transmitters but the dynamic range was poor and the constant retuning for a clear frequency drove me insane.

    I tried the tape adaptors which was better but sound quality was still dodgy, I'm not sure if its just a crap tape deck or if my heads are dodgy and I presume because its not grounded the mobile phone cased interference.

    The solution I have had in my mind for sometime was to use the CD inputs as the Mp3 input, but I searched the Internet for someone who had done this before but i came up blank. I did find a few adaptors available but all were $$$$.

    The stumbling block for this project has been trying to find the CD audio wires, I searched the electrical diagrams on the RAVE CD and couldn’t make head not tail of them and then by pure chance looking for something else I found the pin outs of the connectors on the stereo.

    There are a few limitations with this install
    It can only be used if you have the CD stacker installed, if you don’t have the CD stacker then you cannot select “CD” as an input on the head unit.

    It isn’t a separate input, it just uses the CD audio input and the head unit thinks its playing a CD and will continue going through playing the CD’s in the stacker.

    3x different scenarios for doing this
    1. Disconnect the CD audio inputs and wire directly to MP3.
    2. Wire a switch ( 4 Pole Double Throw) to select input from CD and MP3
    3. Or use a switched head phone socket that will switch to the Mp3 when the plug is inserted.

    I used the 3rd option but now I think I should have taken the 2nd option?

    Parts I used.
    Jaycar CAT. NO. PS0192 $2.95
    6.5MM STEREO INSULATED DPST SWITCHED SOCKET

    Jaycar CAT. NO. PP0176 $2.50
    6.5MM STEREO RIGHT ANGLE PLUG

    Twin core shielded Audio Cable
    Heatshrink

    Wiring Diagram.



    Removal of the head unit.



    I made up the keys to remove the head unit by cutting down a couple of computer case blanking plates using a pair of tin snips.




    How the locking mechanism works




    I found that the head unit on the first removal was wedged in tight and needed a little bit of prizing with a screw driver to release. There is a rubber grommet at the rear that seems to stick fast.


    Wiring up the socket.



    The cable I used was a bit on the large side but I had it lying around.




    Showing how the switching works, when the plug is inserted it raises the contacts.


    Socket location.



    I spent ages looking for a suitable location for the socket in the end I chose here its easy to access you can reach up between the transmission tunnel and console.




    Socket screwed in place.


    Wiring up the head unit



    The blue connector is what you require




    CD Audio pin out on the back of the head unit




    Wires cut - Input into head unit from the socket




    The other end of the above cut wires - CD player to Socket


    All Finished


  4. #14
    Join Date
    Jun 2017
    Location
    USA
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    Thanks!

    I know...old thread but just what I needed nonetheless.
    Thanks for getting that PDF together, made the job a snap.

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