Question about Dynaudio BM5A Active Monitor

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Bm5a blows fuse when turned on

I've changed the fuse several times and it keeps blowing when i turn it on.

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Blowing a fuse means that it has a dead short. The fuse does its job by protecting the other components while the circuit fails. Something is definitely burned out inside.

Posted on Mar 29, 2014

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If the fuse blow it can be the diode bridge or one of the many capasitors in power supply. It can also be one of the amplifier IC's that has a short. There is one IC for bass and one for tweeter.

Posted on Sep 12, 2015

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The problem could either be a blown tweeter (but that would likely cause distortion rather than silence) or a fault with the amp or crossover. Often it seems a relay is at fault in these instances with dynaudio monitors. In any case, unless you have considerable electronics knowledge (which I think it's fair to assume you don't ?) you won't be able to fix em yourself. Give dynaudio an email or call - they're helpful.



Dynaudio North America
1140 Tower Lane
Bensenville, Illinois 60106
USA

Phone (630) 238-4200
Fax (630) 238-0112

For Service: service@dynaudiousa.com

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1 Answer

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It needs to go to a repair shop. It is likely there is damage in the power supply section or that of the power amplifier section.

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