820-3662 no vCore

grmacs

Member
Board was dead when it came in. Had 12.6V on PPBUS. only corrosion near U7200 and the wifi plug J3501. Replaced U7200 and got fan spin. Discovered I was missing PP1V05 and was able to resore that by replacing U7600.

I have ALL_SYS_PWRGD but no VCore. Is there a way to tell if the SMC is the issue or FDMF? I dont have a good board to compare to.
 
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