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Thread: Trig Radio Ty91

  1. #1
    Junior Member
    Join Date
    Nov 2014
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    Greenbrae, CA
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    8

    Default Trig Radio Ty91

    Got the strobes replaced in CC11-160-0337.
    Still have white noise off and on on primary display
    with RX displayed. Like the squelch is on.
    some suggest it’s a ground problem.

    checked the Antanae and pulled the radio out of panel..
    Does anyone know how it’s grounded.
    suggestion Cub 337

  2. #2
    Administrator Pete D's Avatar
    Join Date
    Jan 2010
    Location
    Yakima, WA
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    1,158

    Default Re: Trig Radio Ty91

    Should be pin 19 on the trig com to the ground bus behind the panel.

    What antenna is on it? Probably the wire whip COM antenna? On the turtle deck or on the belly?

    Might look up the Trig manual, see if there are any squelch adjustments.

    And disconnect the strobe lights one at a time. See which one is causing the noise. If it is the tail strobe, later aircraft grounded the shield of the strobe harness to the back of the data plate tab to reduced noise from that light.

    Email support@cubcrafters.com and we can help with continued troubleshooting.
    Pete Dougherty
    Customer Support Manager
    Cub Crafters Inc

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