820-01041-07 a1990 Macbook pro No Power

Shantiche

New member
Recently replaced logicboard with known good board from EB Replaced battery and battery cable as well however macbook is not powering on. Usb C amp meter gives reading :
- 20.23v
-0.14a
-3.25w
howver when battery flex cable is disconnected the usb c amp meter gives reading :
-20.20v
cycles between 0.99a & 1.0a
-18-20w
still doesnt power on
what could be the problem?
 
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