JBL PB12 Subwoofer Logo
Posted on Apr 04, 2010
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I have a JBL subwoofer and it the green light keeps flickering red , the sound is mimimal and if i turn it up it pops n cuts out , unable to get much volume from the speaker.

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Bud Martin

Bud Martin

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  • Posted on Apr 06, 2010
Bud Martin
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You can download the service manuals here and read the service bulletin and check per manual.
http://manuals.harman.com/JBL/HOM/Service%20Manual/PB10%20sm.pdf

http://manuals.harman.com/JBL/HOM/Service%20Manual/PB12%20sm.pdf

Hopefully the ClassD module is not bad.
This is what I have done to my: http://s807.photobucket.com/albums/yy352/budm/JBL%20PB-12%20mod/

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