Question about Uniden UM525 ES Series VHF Radio with Hailer

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My Uniden UM525 is blowing fuses the instant I plug it in. I don't know what happened to it but I'd like to fix it. If anyone has any ideas I'd love the assistance. Thanks in advance,

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Hey Marked,

First check the diode in the B+ line . Probably it is shorted due to a reverse polarity connection.

Take it out and test without the diode if it works replace it diode.

Good luck.

Posted on Oct 26, 2010


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