Even though the green light in front of the subwoofer is on, it only humms but no sound.
SOURCE: sound problems through subwoofer
check all speakers wires andcheck test mode. every thing ok, may be input wiring problem ,check every thing after that internalcircuit may be problem..
SOURCE: Energy S8.3 Subwoofer
I have the exact same problem with my S8.3 that I purchased a few months ago. It's just the blue LED that doesn't light up, otherwise it seems to output bass and the volume control works. Any suggestions?
SOURCE: Subwoofer hum
Hi,
Based on your description, the internal power supply of the subwoofer amplifier would be suspect. Often it would be a blistered or leaking filter capacitor. It is a relatively easy/inexpensive repair.
Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.
SOURCE: jbl subwoofer PB12
I had the same problem...replaced the C42 capacitor with one that I got from RS...fixed everything and all is well again. I only have moderate soldering skills, too, so if I can do it, so can you
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