Well I got this taramps 3k bass from a buddy said it was blown and I could have it. We'll checked none of the fets were shorted so I took out the board from the heat sink. Wow ...taramps need to move this brass bar they put on the trace closer to the terminal. I did because it burnt all the way through it. I wish I took a pic before I fixed it. But my question, do you think this fix will suffice or should I bridge the top of the board too?. And this 10ohm 20w resistor was cracked. After a closer look. It melted the caps ..although i think they wernt compromised. They look worse than they are. Do you think this is related to the power trace failure. The amp is working. Then I seen the resistor and seen all the heat that was generated.so i tore the caps and resistor out. I hope it was related. BTW this amp was probably hooked up with too small of wire and god knows what ohm load the speakers were wired at.. with the gain high. With no regard to what clipping is.. some people....thanks guys.
A (possibly intermittently) shorted output filter inductor could have caused the output filter components to fail/overheat.
Could connecting the B+ and ground with reverse polarity have caused the trace to burn?
Could connecting the B+ and ground with reverse polarity have caused the trace to burn?
That could have been abuse or the inductor. When it's up and playing with all components in the circuit, push/pull/twist the inductor to see if idle current ever varies or if you see a changing amount of carrier noise on the speaker terminals.