Hello everyone, I’m new to the forum so I really hope I’m posting this in the right place. I am fairly new with car audio but I am familiar with working with electronics/basic multimeter functions as I work with them a bit at work.
So I recently took this amp to a “repair shop” and after I got it back one of the channels is still not working. After speaking with the guy of the repair shop who supposedly didn’t see anything wrong with it after he bench tested it he told me I should sell it and get a new amp. I originally took it to him because it was not powering on which he did fix. I don’t plan on taking it back to him.
Anyways, I tested the amp In my truck myself to find the issue. Power is very good (4g wire) 12.8v at the battery the same voltage on amp. Ground is on bare metal and getting a 0 reading on meter. Remote is coming from radio also working fine.
When I wired up all my speakers 4 + sub the amp was shutting off when I turned up the volume not even too high but I would say a medium volume. Took off all the speakers and tested each speaker terminal one at a time. All work great no issues except for 1. When I turn up the volume or gain on that particular terminal the amp turns off, it will come back on but I need to shut off the remote and turn it back on. I changed rca’s issue still there. Used multiple speakers, issue continued. So I’m pretty sure problem is in the amp. Again this is with only one speaker hooked up to the amp in that one particular terminal. I get sound from it but can’t turn up the volume very loud.
I hooked up my speakers to all other terminals without anything in the “bad” one and amp played fine and loud.
I opened up the amp and very thoroughly looked at it but I don’t see a sign of anything burned or blown. Can someone point me in the right direction to what I should be looking for here? Or what I should do next?
So I recently took this amp to a “repair shop” and after I got it back one of the channels is still not working. After speaking with the guy of the repair shop who supposedly didn’t see anything wrong with it after he bench tested it he told me I should sell it and get a new amp. I originally took it to him because it was not powering on which he did fix. I don’t plan on taking it back to him.
Anyways, I tested the amp In my truck myself to find the issue. Power is very good (4g wire) 12.8v at the battery the same voltage on amp. Ground is on bare metal and getting a 0 reading on meter. Remote is coming from radio also working fine.
When I wired up all my speakers 4 + sub the amp was shutting off when I turned up the volume not even too high but I would say a medium volume. Took off all the speakers and tested each speaker terminal one at a time. All work great no issues except for 1. When I turn up the volume or gain on that particular terminal the amp turns off, it will come back on but I need to shut off the remote and turn it back on. I changed rca’s issue still there. Used multiple speakers, issue continued. So I’m pretty sure problem is in the amp. Again this is with only one speaker hooked up to the amp in that one particular terminal. I get sound from it but can’t turn up the volume very loud.
I hooked up my speakers to all other terminals without anything in the “bad” one and amp played fine and loud.
I opened up the amp and very thoroughly looked at it but I don’t see a sign of anything burned or blown. Can someone point me in the right direction to what I should be looking for here? Or what I should do next?
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Thread moved.Post a good quality photo of the inside of the amp.
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