PB12 Subwoofer

PB12 Subwoofer
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My PB12 is not staying powered on when a signal is seen it goes on (and off) for every note.

Posted by ameyers43 on Nov 10, 2009

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PB12 Subwoofer

Product Troubleshooting for PB12 Subwoofer



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Answers :


You can download service manual here, I belive you have to look for wrong diode/resistor installation. http://manuals.harman.com/JBL/HOM/Service%20Manual/PB12%20sm.pdf
On the PCB of pre amp, search for capacitor C 41 or C42try to replace the capacitor with 220mF 100 Vfor me it worked, you will have to try if it works by replacing with c41 or c42Hope this helpsRavi
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