820-2879 ppbus goes to 1V

MDY

New member
When I connect magsfe ppbus appear at 12.59 but 2 seg later it goes slowly to 11V-10V-9V....1V
I removed F7000 and same thing.
acok - 3.25V
acin - 4.45V
dcin - 18.57V
SDA and SCL - 3.40V

17,18 and 27,28 3ohm and 20ohm
 
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