Greetings companions I hope m can help, when I connect the equipment it turns on at once and then it turns off, I press the power button and it turns on but there is no sound and a 9v black relay that is close to the AC cable clicks every 4 or 5 seconds, the fan cooler does not activate either, I don't know if that activates at once or half the temperature, check capacitors and they look good, I don't know if I should go x the stk, it has two, one below and one above, notice a black wire detached that comes from the lower stk card and does not stop where it goes, I think it goes on the upper stk card .. what I want to know the behavior of this relay .. Thank you