The ps5 had a seriously ripped fan connector. The pads were completely gone. I had to use 0.1mm enamel opper wire so I can point to point wire the signal pin to the PCB.
The issue is when there’s no fan connected I get a nice pwm signal on my scope. But when I plug a supposedly brand new fan, the signal disappears.
I got 0.787 between the pwm pin and gnd. I must say i had to repair the fan connector. It was very badly ripped. I had to run a wire from the pwm pin to the alternative pad on the back of the motherboard. But the console switches on,no magic smoke and pwm signal is there so I presume I was successful?
Thanks alot for everyone’s help. I have put the connector upside down so the power and pwm pins were reversed. Looool. It took me hours to realise this.