Hi friends! I come back with another rockford fosgate T10001bd, they tell me that they hit the speaker cables and it started to generate smoke. When checking it I found this damaged ground track, I did a general check and nothing else marked me wrong and when I turn it on the current consumption is high and the output fets make noise. I disassembled them to check them and I found no damage to the output fets and transistors mpsa56 and 06, I measured signals in the ic drivers u202 and u204, but u204 is always sending pulses, but 202 is not, when placing audio both send pulses. It is normal? and I see that the ic of u200 (lm6172) and u203 (tl072) are different greetings and I appreciate your support
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I'd suggest pulling the rectifiers (or at least the center leg) to troubleshoot.
What's the PC# on the board?
What's the PC# on the board?
In u2, u200 and u203 I have pin 4 -5.9v, pin 8 5.6v and in the tl072c pin 4 -12.2v, pin 8 12.6v.
