PS4 won't turn on, no beep

Hello everyone!


I have a playstation 4 fat which won’t turn on at all. Fortunately I have another ps4 which works fine. I have switched the motherboards to check if the problem was the motherboard, and yes, it is. The console does not beep and the light does not turn on, but I found that the fan does spin for one second when I try to turn on the ps4.

Now that I know that I have a faulty motherboard, I proceeded to check the fuses on the motherboard, but I didn’t find any blown fuse or anything broken.

Does anybody know how I should proceed next? Maybe check any IC or capacitor? Since the fan spins for a sec and then everything stops, maybe there is some shortcircuit somewhere, but on the parts I’ve compared with the motherboard that works, I didn’t find anything. Now I’m asking myself if the buzzer can create a shortcircuit, since the first thing the ps4 should do when starting is to beep and start the fan, and this motherboard does not beep, but does start the fan, then there is something wrong and everything stops.

I would appreciate any help.

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