20 Most Recent JBL PB10 Subwoofer Questions & Answers


Did the same fix as Bratcop on my PB10 with the 7.2 amp board. Replaced C42 and it seemed to fix the issue of rapidly switching in and out of standby mode.

JBL PB10... | Answered on Feb 10, 2018


More likely to be the Class D power amp module, but you should look through the service manual to make sure all the parts are installed correctly. My PB10 AMP module went out and you cannot get one anymore.
http://manuals.harman.com/JBL/HOM/Service%20Manual/PB10%20sm.pdf

JBL PB10... | Answered on Feb 10, 2018


I have the same problem with my Creative Labs Sub-woofer, which I plan to strip and inspect, as I do electronics.
I've read elsewhere that a faulty capacitor can cause this motor-boating screech.
If your sub can be opened, unplug and look for bulging caps.
The silver top should be flat.
Rounded top usually indicates a blown cap.
Meanwhile, I bought another surround setup, by Logitech.

JBL PB10... | Answered on Jan 31, 2018


Fuses blow when something is shorted. In this case it will be a semi-conductor of some kind. If the device uses IC for the main amplification then you are right to be worried!

The 158 amp is totally unsuitable for the JBL.
This is the specification of the JBL:
  • Recommended Amplifier Power 10 Watt
  • they are also 4 Ohm speakers.
  • 158 is: Output Impedance / Channel
    8 Ohm.

JBL PB10... | Answered on Jun 02, 2017


you can change the fuse or wrap it with aluminum foil

JBL PB10... | Answered on Mar 28, 2013


Hi my name is MIchael and I repair the following amps JBL PB10, PB12 If it has the screw near the on/off switch. If your amp is blowing the fuse, has bad sound, no sound, doesn't power up or if the output is low or muffled. We can fix it - please check ebay and search WE REPAIR PB10 PB12 - you will find us ... Edwards Electronics ....

JBL PB10... | Answered on May 24, 2012


It blows the fuse because a semiconductor device has developed a short (in otherwords acting like it was just a piece of wire). Because of the noise I would suspect the main amp device is the cause. It will be most likely on a heatsink.

JBL PB10... | Answered on Jan 03, 2012


As long as its not blowing the fuse it can be saved - look for Edwards Electronics - Ebay - We fix them . Thanks.

JBL PB10... | Answered on Jan 02, 2012


Item can be fixed - ship it to Edwards Electronics - Look For US On Ebay - Thanks

JBL PB10... | Answered on Jan 02, 2012

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