820-3115 b no green light

andrespi

Member
this macbook not green light, not turn on fan
ppbus_g3h=12.6
smc reset_l=3.45
CHGR_ACIN=3.9v
SMC_BC_ACOK_VCC = 3.48
PP3V42_G3H =3.48v
PPCHGR_DCIN =16.22
 

2informaticos

Administrator
Staff member
Remove it and clean all pads and traces.
Resolder it, if the pins are not damaged.
Check continuity from U6900 to the central pin of DCIN board.
 
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