JBL PB10 Subwoofer "check amp" Questions

...check amp when it comes back from the repair shop today. What would cause resistors on audio board in amp to fail? I appreciate any suggestions. Ken Resistors can fail from being turned up to hire, ...

...amp and check sub to another amp to isolate speaker from internal amp. Either the amp blew a channel or subwoofer blew. JBL's are typically well built. Has this speaker often been pushed loud

...check your wire from sub to amp..If all of that is good is a normal operation for pre amp warm up in sub if level is turn to max..Try unplugging amp freom sub then turn sub on stand alone(just sub ...

...reaserch subwoofer dont have any sound Subwoofer turns on (green light) but I dont get any sound. Checked fuse and its good, checked speaker wires and they're good. I dont know if there is

...Many thanks. :) Check your remote wire from the amp to the back of the radio also check your ground wire as well or it can be simple as the channel is burned out so switch channels to see if that ...

...and solve the problem ? Sounds like a dead amp. You could check the xformer output and the amp IC's with a VOM. These amps do not cost a lot, about $40.00. and are easy to replace. Contact ...

...on my subwoofer i plug it in and im not getting any sound I'm assuming you have it connected to the amp right? Some amps have the ability to switch off the sub. Check that your amp has it switched

...in your totals. Chances are you've blown the power supply on your amp. Have you tried any of these checks

...but op amp running real hot. did you check the fuses on the sub amp. all amps and sub amps and subwoofers have fuses. look in your book to find where they are and you can get the fuses at radio ...

...amp well with a torch. I am able to replace any components and can check for voltages if needed. I have tried to source a circuit diagram but am only getting told be the rep company in New Zealand ...