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I have realistic TRC-431 Base set. It receives well but will not send. Even when I change microphones with one from a working unit it will not send any sound. All another radio receives is an electric hum. Any suggestions. I do not have a repair shop close buy. Hoping I could figure this out as the old radio is in nice shape otherwise.

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If you do get a hum, that would indicate that the transceiver is working. What is likely, is that the antenna is somehow not broadcasting.
Check out the connection on the coax, and the type of antenna your are using to broadcast.

Posted on Oct 12, 2010

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Posted on Jan 02, 2017

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