help to decode VW RCD500 MP3 - Page 2
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  1. #16
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    any idea!!!!!!!!!!waiting for schematic interface

  2. #17
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    Last edited by jano055; 11th January, 2010 at 10:30 PM.

  3. #18
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    Try your modifiet dump.Maybe will work without code.
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    Quote Originally Posted by ivoo View Post
    Try your modifiet dump.Maybe will work without code.
    In these DUMP is only COUNTER set to "0" , but no code disanled.Code is in MCU.
    Any CALCULATOR for it ?
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    this is the method for read m32c interface schematic. connect RK7 to +12v .
    -vdd with 100 ohom to cnvss
    -rst with push to gnd
    -pin 9 max232 to rx uc
    - pin 8 max232 to tx uc
    -gnd max232 to gnd uc
    and the M16c flasher select type of uc in setting and uncheck erase all ,with com1 baudrat 9600
    press connect and push reset button
    the uc will connect and press read button and press ok
    that s all.
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  7. #21
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    Many thanks for sharing,helped a lot

  8. #22
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    Quote Originally Posted by ljamal View Post
    this is the method for read m32c interface schematic. connect RK7 to +12v .
    -vdd with 100 ohom to cnvss
    -rst with push to gnd
    -pin 9 max232 to rx uc
    - pin 8 max232 to tx uc
    -gnd max232 to gnd uc
    and the M16c flasher select type of uc in setting and uncheck erase all ,with com1 baudrat 9600
    press connect and push reset button
    the uc will connect and press read button and press ok
    that s all.
    Hi!
    Can somebody confirm if this method can r/w this CPU M30833?

    What you mean under RK7? is this R7K resistor in series with the +12V of the power supply?

    Thank's

  9. #23
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    Nobody?

  10. #24
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    Default rcd 500 mp3

    If there is someone who can advise me how to see the code after reading the M30833FJ

  11. #25
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    Default RCD500 MP3 RADIO CODE


    HI RADYO KODU Yardımı?

    RCD 500 MP3
    3C0 035 195B MODEL: CQ-EV1572G EEprom: 93C76 HW: 012 SW: 0018 BARKOD NO: * 014VWZ5Z7G1109853L *




    Attached Files Attached Files
    Last edited by djrambo; 18th February, 2018 at 09:53 AM.

  12. #26
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    Quote Originally Posted by djrambo View Post

    HI RADYO KODU Yardımı?

    RCD 500 MP3
    3C0 035 195B MODEL: CQ-EV1572G EEprom: 93C76 HW: 012 SW: 0018 BARKOD NO: * 014VWZ5Z7G1109853L *




    File code offf
    Attached Files Attached Files

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  14. #27
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    Hello! What is " connect RK7 to +12v" ? Thank you!

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    Quote Originally Posted by passator View Post
    Hello! What is " connect RK7 to +12v" ? Thank you!
    this is resistor with value 7 kilo ohm's

  16. #29
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    Thank for answer! Power +12v across resistor 4,7K Ohm to Vdd,may be ...
    + 12c across Resistor 4, 4K to Vdd+ 12c across Resistor 4, 4K to Vdd

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    I have a solution to the problem!
    1. Connect 9pin from max232 to Rx MCU
    2.Connect 10 pin from max232 to Tx MCU
    3. Gnd to Gnd
    4.Connect DB9 connector to RS port
    5. Start program "connect"
    6. Connect power +12v to Radio (without resistor 4,7K Ohm)
    7.Read MCU- I am happy!

 

 
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