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Xenon 5.1 Subwoofer problem

Discussion in 'Troubleshooting and Repair' started by jleccio, Nov 24, 2011.

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  1. jleccio


    Nov 24, 2011
    Good day guys,

    I just wanna ask if you might know solution on my Xenon 5.1 Subwoofer.

    just yesterday, the subwoofer starts to produce a humming sound(looks like a grounded sound). even if i detach all speakers and inputs, still it does produce that sounds. bad part is, it doesnt produce any sound anymore when I plug-in sound source to the Input port.

    Any guess on the busted components sirs?
  2. davelectronic


    Dec 13, 2010
    Hi there Welcome to the forum. First will it power up still, or no life in the unit at all ? Then i would look at the units power board, it could be an over load due to component failure or transformer failure, but the latter is unusual, if no power check the primary fuse, but if blown something blew it, did you over load the unit, excessive power load from mismatch speakers, or an out put or driver transitor might have failed, are all electrolytic capacitors ok especially filter caps fair bit to look into.
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