Мои познания в ремонте данного вида техники: Занимаюсь ремонтом Наличие схемы: yes Hi guys, I have a JBL SRX 828 module. When I turn it on, it closes the first relay and starts up properly. Then, after 5 seconds, it closes the second relay but immediately reopens. The display reads PROTECT, and the PSU goes into an infinite loop. I have the correct 3.3V and 5V, but it seems to be in protection mode. I replaced the DSP preamp board with a NEW one and I have the same problem, so it's not the preamp board. On the PSU board's op-amps, I have 15V and -15V, so the problem is simply the activation of the ENABLE_1 signal, which is activated and deactivated by the processor. I replaced the two PWM 20957s and checked the MOSFETs, and everything seems fine. Can you recommend a solution?
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