Kenwood TK-730/830 dual-band programming

Discussion in 'Mobile Radio Systems' started by KG4JYE, Jun 6, 2011.

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  1. KG4JYE

    KG4JYE Ham Member QRZ Page

    Hello,

    I recently picked up a set of commercial Kenwood radios. I like them because of their price and the remote head unit feature. I have them connected together and powered up, but when I turn them on, the head unit display flashes "GR 1 CH1" and will not let me read or write them.

    I have followed the KRK-4DB instructions on how to connect them together. I have also done the KRK-5 160ch. eprom upgrade in both the radios and the head.

    I know there are some commercial radio fans out there, so if you know whats wrong, I would appreciate some help. I would like to have them up and running for field day.

    Thanks, and 73's

    KG4JYE
     
  2. K0BG

    K0BG Platinum Subscriber Platinum Subscriber QRZ Page

    I seem to recall that these radios cannot be programmed for the amateur bands irrespective of the upgraded PROM. If you can program a commercial frequency into one, but not amateur, that would be a real clue if the aforementioned is the truth.
     
  3. W9GB

    W9GB Ham Member QRZ Page

    TK-730 and TK-830 ........ KPG-7D programming software .......... DOS application

    Kenwood Information Index -- Reepater Builders TIP
    http://www.repeater-builder.com/kenwood/kenwood-index.html

    The Radio Informaiton Board is a good resource for Commercial (FCC Land Mobile service) radios.
    http://www.radioinfoboard.com/

    Kenwood TK-730
    http://www.eurekaboy.com/tk730/

    EARLIER QRZ Q&A Thread (2005) for Answer
    http://forums.qrz.com/showthread.php?60958-Programming-Kenwood-TK-730-to-Ham-Bands

    KI6HFZ suggests:
    Just go into program mode select the model, etc. -- BUT when you get the frequency window select "Special Tune" and then WRITE to the radio.
    It will have a Warning and Show Error on the radio screen.

    Put the radio back into Program Mode and then select OK (from the error prompt) I call it pushing the radio.
    I know it sounds scary but just try to force it, it will work. You will have 136 - 174.
    The only bad thing is it will wipe out any channels you already have programmed (so write them down before you do this).
     
    Last edited: Jun 6, 2011
  4. KG4JYE

    KG4JYE Ham Member QRZ Page

    Thanks to both Greg and Alan for their responses.

    I think I wasn't clear on my issue. I already know how to do the ham "SP Tune" method, but my issue is that the radio will go into programming mode, but when I "write to radio" in KPG-7D all I get is a communications error. I have verified that my programming cable works fine with my other Kenwood TK series radios, but this one doesn't work. I also have verified that the programming cable I have is for the 730/830 radios.

    I will try the Radio Information Board that Greg suggested, and see if any of the LMR gurus know of anything to try.

    Thanks again
     
  5. WV8MAT

    WV8MAT Ham Member QRZ Page

    I had one act up once. Bought new eprom chips and worked great
     
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