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Thread: Aux-in for OEM radio (nissan)

  1. #1
    Para Laura thanatos106's Avatar
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    Aux-in for OEM radio (nissan)

    Ok so like I said in the other thread, I tryed the FM modulator (audiovox FMM100A) but it wasn't what I wanted (good sound, no ground loops but kind of flat sound) so I start thinking in open my OEM HU and se if there was anyway to AMP the sound trough the CD player (I used to do this when working with radios and tVs back at the school)

    So after a big setbacks, I finally finished the MOD and the sound is perfect (at least for me)

    So here is the step by step instructions with pics of what you need to do to accomplish the MOD... also let me tell you that for me, the use of available resources (or garbage like my GF call it!) is the best of making something like this; cus you can get a lot of stuff from digikey or mouser but why if you have something that does the same laying around?

    lets take a look of what with need:

    -Phillips screwdriver
    -Soldering iron kit
    -Cables (like the ones find in the cable that connect audio CD drives with MOBOs)
    -RJ45 connector (ripped it from a network card) *ptional
    -1/8" Stereo Audio Jack (from a broken HD enclosure)

    So firts yo have to remove all the screws from the back of the radio (in the case of the PY350 is 9 screws):



    Remove 4 screws,2 screws from each side (two of those hold the upper cover)



    Then carefully remove the face plate (for this use a flat screwdriver and push the sides then pull the face plate out)

    After that you need to disconnect the ribbon than comunicate the Radio main board with the CD changer part:



    After this you just need to pull the CD changer, and at the end you will have this two parts separate:

    Radio mainboard


    CD changer:


    Once you are at this point, you start working on taking the R+, L+ and the ground for the aux-in, for this you take the CD changer part and remove the 2 screws that hold the PCB that comunicate the CD changer with the Radio main board (disconnect second ribbon in the other end of the PCB):




    In one of the pics above, you can see that both channel are marked, so no need to test every solder points like other do (in this case point 15 is R+, point 14 is GRD and point 13 is L+)

    After this is just solder 3 cables to those points at the begining of the PCB, cut two traces so you can make the switch, and you will be done with the Cd changer part):





    Now take the radio main board and solder three cables to point 2 (R+) point 3 (Ground) and 4 (L+):



    After this you just need to Switch to implement something to switch between CD changer and CarPc (fort this you can, like me use a DPDT switcher *I found one in a broken guitar pre-AMP*) so I used a RJ 45 connector to leave it in the radio and with a network cable make the switch or you can just use DPDT relay.

    here is the schematic:



    So after all this this is how the HU looks like now:

    Before


    After


    So this is it, I hope this will help you.

    Thanatos.
    RexBruMet Skin for FrodoPlayer

    Nissan Aux-in MOD


    Quote Originally Posted by bgoodman
    We're an international forum, post in whatever langauge you like.

  2. #2
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    Quote Originally Posted by thanatos106
    Ok so like I said in the other thread, I tryed the FM modulator (audiovox FMM100A) but it wasn't what I wanted (good sound, no ground loops but kind of flat sound) so I start thnking in open my OEM HU and se if there was anyway to AMP the sound trough the CD player (I used to do this when working with radios and tVs back at the school)

    So after some big setbacks I finally finished the MOD and the sound is perfect (at least for me)

    So here is the step by step instructions with pics of what you need to do to accomplish the MOD... also let me tell you that for me the use of available resources (or garbage like my GF call it!) is the best of making something like this cus you can get a lot of stuff from digikey or mouser is alright but why if you have something that does the same laying around?

    lets take a look of what with need:

    -Phillips screwdriver
    -Soldering iron kit
    -Cables (like the ones find in the cable that connect audio Cd drives with MOBO)
    -RJ45 connector (riped it from a network card) *ptional
    -1/8" Stereo Audio Jack (from a broken HD enclosure)

    So firts yo have to remove all the screws from the back of the radio (in the case of the PY350 is 9 screws):



    Remove 4 screws,2 screws from each side (two of those hold the upper cover)



    Then carefully remove the face plate (for this use a flat screwdriver and push the sides then pull the face plate out)

    After that you need to disconnect the ribbon than comunicate the Radio main board with the CD changer part:



    After this you just need to pull the CD changer, and at the end you will have this two partsd separate:

    Radio mainboard


    CD changer:


    Once you are at this point, you start woking on taking the R+, L+ and the ground for the aux-in, for this you take the CD changer part and remove 2 screwss that hold the PCB that comunicate the CD changer with the Radio main board (disconnect second ribbon in the other end of the PCB):




    In one of the pics above, you can see that both channel are marked, so no need to test every solder point like other do (in this case point 15 is R+, point 14 is GRD and point 13 is L+)

    After this is just solder 3 cables to those points at the begining of the PCB, cut two traces so you can make the switch and you will be done with the Cd changer part):





    Now take the radio main board and solder three cables to point 2 (R+) point 3 (Ground) and 4 (L+):



    After this you just need to Switch between Cd changer and CarPc (fort this you can like me use a DPDT switcher (I found one in a broken guitar pre-AMP) so I use a RJ 45 connector to leave it in the radio and with a network cable make the switch or you can use DPDT relay.

    here is the schematic:



    So after all this this is how the HU looks like now:

    Before


    After


    So this is it, I hope this will help you.

    Thanatos.
    Very Impressive. I should send you my stereo to see if you can do that for me.

    Michael
    ...I love the French language...especially to curse with...Nom de Dieu de putain de bordel de merde de saloperies de connards d'enculés de ta mère. You see, it's like wiping your *** with silk, I love it.

  3. #3
    Maximum Bitrate sfay93's Avatar
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    Awesome job thanatos! I was thinking about looking into how to accomplish this for a friend of mine. She has an '02 Xterra so it should be the same I am thinking. Can't wait to let her know she will be able to hook her MP3 player to her radio.
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  4. #4
    Variable Bitrate DaveB's Avatar
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    Thantos,

    Do you know where a guy can buy those ribbon cables and the sockets the ribbon cables plug into? Do you know the technical names for these items?
    8" Lilli TS
    MB896F Mini-ITX MB
    2GHZ Dothan 533MHz FSB CPU
    1GB SDRAM DDR2 533
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    Bluetooth V2 USB 2 Dongle
    3COM BKP Cam

  5. #5
    Para Laura thanatos106's Avatar
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    Try digikey or mouser under "ribbon" or flat "ribbon".... what do you need it for?

    Thanatos.
    RexBruMet Skin for FrodoPlayer

    Nissan Aux-in MOD


    Quote Originally Posted by bgoodman
    We're an international forum, post in whatever langauge you like.

  6. #6
    MySQL Error MatrixPC's Avatar
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    Your're lucky, the board is labeled.
    Basically this mod is noise free.

    I have to poking around for the correct LR signals. Nice write up too. This method can be use on ANY car Radios.
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  7. #7
    Para Laura thanatos106's Avatar
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    This method can be use on ANY car Radios.
    I was thinking about that, and place this in the emporium but I wasn't sure so if bugbyte or antimatter want to move this the and change the title to something else go ahead.

    Thanatos.
    RexBruMet Skin for FrodoPlayer

    Nissan Aux-in MOD


    Quote Originally Posted by bgoodman
    We're an international forum, post in whatever langauge you like.

  8. #8
    Raw Wave Rob Withey's Avatar
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    Quote Originally Posted by MatrixPC
    Basically this mod is noise free.
    It still has plenty of potential for ground loops.
    Quote Originally Posted by MatrixPC
    This method can be use on ANY car Radios.
    Tis true. I did this to my radio years ago. http://www.fortunecity.com/skyscrape....html#headunit

    As an added bonus, if you replace the DPDT switch with a DPDT relay interfaced to your PC, and write some software for your player you can switch the input automatically under software control (like when you start playing MP3s or whatever).
    Old Systems retired due to new car
    New system at design/prototype stage on BeagleBoard.

  9. #9
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    Aux in for 2005 Altima

    Hey - sorry for reviving this thread after ages, but i have a question.

    I have a single CD player factory installed stereo in my 2005 NIssan Altima. Will this solution work for my stereo?

    Since it doesnt have a CD changer, I am not sure if it'll work.

    Pls advice!

  10. #10
    Para Laura thanatos106's Avatar
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    Dou you have any pic of the radio... og is the same as my friend's you should have a 9 pin iso connector on the back making it easir for you.

    Thanatos.
    RexBruMet Skin for FrodoPlayer

    Nissan Aux-in MOD


    Quote Originally Posted by bgoodman
    We're an international forum, post in whatever langauge you like.

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