820-4924 - No green light, PPBUS_G3H is 12.29v

Mattpd

Member
This board looks very clean except for one tiny dot of liquid on top of SMC. Nothing around it or anywhere else on the board.

PPBUS_G3H is only 12.29v
PP3v42_G3H = 3.4v
SMC_RST_L= 3.4v
SMC_BC_ACOK = 3.37v
SMC_BC_ACOK_VCC = 3.38v
SYS_ONEWIRE = 3.38v
ADAPTER_SENSE = 3.4v

It looks like green light should be on to me.

All s5 rails are 0v.

Tried a reflow on SMC but didn't help.

Is there anything to check before I try to reball or replace SMC?
 
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