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Rit mod to work in both trans and rec for Heathkit SS-900

AudioShockwav

Extraterrestrial
Staff member
Apr 6, 2005
10,355
11,807
843
Sierra Nevada by Yosemite National Park
For Rit control to work in Rit and Xit, disconnect the white/yellow wire between the main audio board and synthesizer board at S-101-2. Afterwards, the Rit and Xit will function in both Rx and Tx when the rit button is activated.

This will get between that 100hz jump that is common with this radio, and you can always use the other vfo (using split for a rit).

Do this mod at your own risk.
Thanks to KF8MY for the Mod.

73
Jeff
 

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  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.