820-00164 no power


New member
Hello. Im working on a 820-00164 board it will not power on.
I have green light in magsafe.
When measuring PP5V_S4RS3 it is unstabel and gose from 0V - 3V - 0V - 3V
Same with PVCC_S0_CPU its go from 0 too around 1,5V then drop again