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Thread: Would anyone buy CD Changer/Unilink cable hacks for Sony head units?

  1. #41
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    netherlands
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    Post

    Originally posted by Fosgate:
    <STRONG>

    The deck is KEH-M8250, its an old tape player that has CD-Changer support.
    So how do you get in to this hiden menu?</STRONG>
    i dont think the oldies have the menu in them.
    my new 9000 deck has it though.
    its not hidden, its just in the menu, turn oux on or off. you can also change the name of the aux in that it displays on screen
    time for the sig:

    '00 VW golf TDI upped to 130 HP - 18" RS 6 wheels - liliput 7" tft in indash housing - epia 10K - SB audigy - caliber 1 fahrad CAP - RF punch amp - hollywood 1.6K mono amp - boston acoustics pro - RF 10" DVD sub

  2. #42
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    Oct 2001
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    Smile

    Originally posted by AGoodbar:
    <STRONG>http://www.cus.org.uk/~cleggy/discus/</STRONG>
    Although Cleggys page isn't well laid out progress has been made in the area of Sony Unilink. The following items are available ( if you look carefully ).

    1. A program written for DOS by Carl Raffa , will emulate a CD multichanger at least to the point of enabling the AUX audio inputs.
    ( Requires a Unilink -> Parallel port cable )

    2. A program written in 'C'/Asm for the Microchip PIC16F877 micro , performing similar functions to Carl's program - written by me - Jimbo.

    3. A recent project started by Simon Wood and available on SourceForge - GnuLink ( I think ) - which is an AUX in enabler written in assembler for a Microchip PIC16F84 microcontroller.

    So if there are any keen electronics engineers out there who feel like building the devices - the software is already begun.

    Cheers - and thanks for listening.

    Jimbo.

  3. #43
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    Aug 2001
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    Question

    Any Direct links? I cannot find any of them
    Nothing yet.....

  4. #44
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    Oct 2001
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    Thumbs up

    Okay - the current progress messages are here:-

    Cleggy's Progress Report

    Code for a PIC 16F877 to enable AUX in

    Code for the 16F84 (GnuLink)
    GnuLink SourceForge Project

    Code for DOS written by Carl Raffa
    (Mirror)
    Carl's DOS based code - where it all started ( for me )

    Hope these links help you all.

    Cheers and happy hacking.

    Jimbo.

  5. #45
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    Join Date
    Oct 2001
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    Talking

    Ooops,

    Geocities doesn't like direct linking so try this.

    Carl's DOS based CD Unilink Emulator (MIRROR)

    Cheers,

    Jimbo.

  6. #46
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    Aug 2001
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    Post

    Is the software for This cable?

    Nothing yet.....

  7. #47
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    Oct 2001
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    Thumbs up

    Yep - that looks pretty similar.

    It's basically the same design as is included in the file provided by Carl Raffa.

    It has a few problems - but I ( and from what I understand - several others ) have managed to get it to work with Carl's program , and if you want to experiment ( in a PC environment ) then it's a good starting point. However it is likely to prove unreliable when used under windows - or even a real multitasking environment :-)
    I really should investigate why the arrangement that Carl came up with results in a pulse train during data highs ( rather than just a simple high or low ).
    But I just reworked it into the 16F876/877 pic code - which behaves as I expect.


    Cheers,

    Jimbo.

  8. #48
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    Aug 2001
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    Post

    Hate to be annoying but where are the grounds for?

    Also, could you sell me a PIC pre-programed and pre-wired like the XA-107? Thanks
    Nothing yet.....

  9. #49
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    Join Date
    Oct 2001
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    Talking

    The grounds are for the grounds :-)

    Are you asking why there appears to be two ?

    They are connected together , i.e. the ground of the unilink bus connected to the ground pins on the printer port.

    No - I couldn't sell you a complete solution as a simple AUX-In , that's not why I did it - I'm paid well enough as an engineer :-) and don't have the time or need for money to do it - sorry.

    A basic circuit description ( in the files written by myself ) is given. This should be enough for any semi-competent electronic engineer to build.

    The only extra bit of information to know is that the design works better with an 18.432Mhz xtal ( but as RS232 is only currently used for debugging you should be able to use the existing .hex file ).

    I made my first working version using a PCB manufactered by Dontronics in Australia ( www.dontronics.com ) - it was the DT106A pcb.

    You only need the minimum of components to get it working. ( Xtal/Capacitors/16F876/78L05 + diode for reverse polarity protection + 5v1 zeners for overvoltage protection on the unilink data/clock lines ).

    Cheers,

    Jimbo.

  10. #50
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    Feb 2002
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    california
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    I want one

    I have been looking for someone to put this together for a long time, I want one, I sent you an e-mail

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