Question about JVC KABOOM RV-NB10 Boombox

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No power on my JVC Kaboom

I have had my Kaboom for a long time. One day it just would not turn on. I tried a differant power cord, and batteries, nothing worked. I have taken it apart, and nothing is burned, or loose. Could the power supply gone bad? What should I do, so that I know what to do to fix it?

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  • Che Francis
    Che Francis Feb 14, 2012

    How do I find out if the Power Supply, or the transistor, has gone bad? It is $90.00 to buy a new one, and I don't want to gamble on it. Could there be another reason why I am not getting any power on the Stereo?

  • Andrew Bowes Apr 19, 2013

    The fuse has been blown in my Kaboom. I replaced the fuse (250v 1.25A small glass tube fuse). You can find the fuse behind one of the woofers. The one to the right when looking at the front of the Kaboom. Remove the plastic woofer molding, remove the sub woofer then you will have to use long tweezers and reach in an grab the fuse. Installing the new one is a bit tough buy you will figure it out.

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Could be a blown fuse... it's located behind the right end woofer when looking at the unit face. Remove the round plastic molding and then remove the actual woofer. You will then have sight of the fuse... it's really hard to reach, will need something like long tweezers to reach in, grab and remove. Replacing is also challenging but you will figure it out (1x 250v 1.25A glass tube fuse)

Posted on Apr 19, 2013

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  • JVC Master
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I would rule out the power supply simply because the batteries won't run it either. The internal plug that takes the cord should be checked for cracked solder joints, because the plug goes to battery mode when cord is removed and AC fuction when cord is plugged in. It is possible it may be an audio output problem given the age of the item.

Posted on Mar 08, 2012

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