Hey gang,
I've got a "Repeater Builder" UHF micor converted mobile repeater running great for several years.. Last week sometime it stopped passing audio.. dtmf, etc... I can key it fine from places like usual, but it doesn't seem to pass any audio.. Would this be more of a controller issue or possibly something awry with my micor? Its running a CAT250 controller. Comments appreciated ofcourse.
Rod
NJ
First clean the inter-board pins.
Power it off, remove all the screws that mount the boards
that plug into the center board, and unplug them halfway,
then plug them back in several times i.e. "stroke" the
male pins in and out of the female connectors (and get
your mind out of the gutter). I've seen several Micors
develop weird problems that were temporarily "fixed"
that way. The fix lasts 6 months to a year, and I've
yet to come up with a cure other than soldering them
all, which - while the problem is fixed - makes the
radio unrepairable in the future. The problem seems
to occur much less often in mobiles, but does occur.
Same problem happens to Mitreks, but Moto came
up with a fix for that ... replacement connectors with
different metallurgy in the plating of the contact pins.
Mike WA6ILQ
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