I have a pretty new jl A1400 amp that a friend have me when it suddenly stopped working. All the fet's are intact and connected properly. Nothing else appears to be broken, burnt, melted ect. With the multi-meter I can get a reading from the positive input to the rca outputs and speaker outputs, so all of that is still intact. I get a reading from the positive input to the green power on led but not to the red protect led. I don't know what importance any of that has as I'm completely lost at this kind of stuff. Any idea's or suggestions? Thanks!
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