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Thread: JR pinout


  1. #1

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    JR pinout

    I bought a Turnigy 2.4 RF module from Hobby King. This module is for their radio but it will also fit a JR transmitter.
    I want to use it to convert an old transmitter to 2.4GHZ. For that I need to know the pinout of the JR transmitter to the plug in module so I can fabricate a cable.
    Can you provide me with that information?
    dirty old men need love too.

  2. #2

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    RE: JR pinout

    I learned from another post that you won't release this information. If you think I can't find it you must be very simple minded. All I have to do is find a JR Radio and make one measurement. All you are doing with this attitude is strengthening my resolve to never purchase one of your products.
    dirty old men need love too.

  3. #3

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    RE: JR pinout

    Horizon personnel no longer monitor these posts....  but the answer to your query is...


    from the top down....

    1)  Modulation Signal

    2)  +6V Regulated

    3)  + Vcc (Raw Battery Voltage)

    4)  Ground

    5)  Antenna


  4. #4

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    RE: JR pinout

    Thanks.
    I got the answer from another thread. Your info further confirms it.
    dirty old men need love too.

  5. #5

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    Just want to add, the +6 volts on pin 2 is only used on the fixed frequency transmitter module but is not required for the JR Synthized module and off brand modules(non-JR).
    Pin 1 PPN is 3.3 volts peak to peak and is a positive going pulse 0 to 3.3 volts positive.
    FYI Not to get off the subject but those of you installing lipo batterys in transmitters & receivers made for nicad batterys should install a small voltage regulator down stream of the ON - Off switch to power your radio to pervent over stressing your electronics. ( 7.4v down to 6v and 11.1v down to 10v will give you many good years of service,
    Last edited by aa180335; 07-22-2015 at 06:22 PM.


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