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No output from Bose Lifestyle 12 system

Trying to help a friend fix his 1994 Bose Lifestyle 12 system.
I can hear the cd playing when I plug headset into the music center. radio works fine too. I hear a quick thump thump from the bass module and a short hiss from the cubes, upon power up. I checked the fuse and surveyed the bass module for obvious problems, and no bad smells. power seems ok.
Thanks in advance for any help.
BC

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  • agc1968 Aug 02, 2008


    Trying to help a friend fix his 1994 Bose Lifestyle 12 system.
    I can hear the cd playing when I plug headset into the music center. radio works fine too. I hear a quick thump thump from the bass module and a short hiss from the cubes, upon power up. I checked the fuse and surveyed the bass module for obvious problems, and no bad smells. power seems ok.
    Thanks in advance for any help.
    BC


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Sounds like you have a problem in the circuits, which of course would take an experience technician to find and repair. But a 1994 electronic item has pretty much reached the end of its expected life cycle (sadly, compared to older equipment which is still working great). Basically, it sounds like the power amp circuit is shutting down a few seconds after startup. Might check to make sure no speakers or cables have shorts, which could activate a protection shutdown circuit. If any of the cubes don't hiss when you turn it on, that would be the first place to look for a problem.

Posted on Dec 29, 2008

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