820-3476-A no green light

Quickfix

New member
came with magsafe burned. Q7130 replaced because of heat. u7190 replaced visible burn mark. R7121, R7122 replaced , U7100 replaced.
ppbus_g3h12.29v
please help me to find the issue
 

2informaticos

Administrator
Staff member
Do you get correct 3V42_G3H and SMC_RESET_L?

Post U7000 voltages and check continuity from its pin 5 to central pin from DCIN board.
 

2informaticos

Administrator
Staff member
Looks like SMC issue; you may need to reball/change it.

Check first signals and voltages for U5000 (2 OF 2) block at page 36.
 
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