Question about JBL Prx625 Prx 625 15" 2-way Powered Loudspeaker
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Posted on Jan 02, 2017
SOURCE: my JBl PRX 515 has
Your speaker is an active one. This means that it has indepented amplifier for low and high frequencies. So maybe the woofer (low speaker) is still active but its amplifier is defective. In order to make things more clear take a look at this block diagram to understand the signal flow:
I suggest you to unscrew the screws at the back panel and eject the whole electronics from the inside:
Take care the cables that connect the electronics with the speakers. If it's easy mark what goes where and unplug these cables. Now with the electronics on the table try to locate fuse(s) that may have been blown; since you don't smell burned components, fuses is the most common problem. Replace any blown fuse with the same one and put things back in the proper order. In case that you don't locate any fuses the problem is at components and I can't be sure if you can manage replacing components.
In case of a problem or clarification, don't hesitate to post me a reply before rejecting my answer.
If you are satisfied, accept my solution.
Thanks and regards
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Posted on Sep 13, 2010
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