My subwoofer lights flicker on the front green/red/green. Also a clicking sound. It smelled like an electrical burn of some sort. no power surge. I took out the board and their is a black burn spot on the board. Can it be repaired?
Thank you, Daryl
Yes there are a variety of Capacitors that go bad on these amps - some have to be upgraded Volts wise and others are just the wrong value - it is a very poor designed amp to begin with . The amps do have issues that is for sure - That is where I step in - I can repair your amp and make it so it won't burn up (catch on fire) again. When the amp goes it burns a hole in the board - but it can be repaired. I have done several hundred and all customers are happy :) ... Look for my add here and also on ebay
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First try to find the source of your problem. The easiest way would be to try your sub with a different audio source to see if the problem still occurs but is sounds more like there's a problem with the receiver.
These subs have had many problems, all associated with the amplifier section. PB 12's with an "M" as part of the ser. no. were assembled in Mexico and these are the ones with the amp problems. JBL fixed mine and sent it back no charge, BUT it cost me nearly $100 to send it to them in the first place. I have another one that has had no problems at all. Try sending it back for repair. At best you'll get a rebuilt unit back, at worst a substantial discount from the company for a new sub.