[SOLVED]820-2533 green light no power

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aurel476

New member
Tried good know magsafe 85w and magsafe board,

SMC_BC_ACOK 2.29V pin 14 of U7000

SMC_RESET_L 3.42V

PP3V42_G3H 3.42V

PPBUS_G3H 12V

R7021/22 of u7000 10ohms

R7051/52 10ohms

PP1V05_S5 1.05V

i replaced C7771

at R7780 and R7781 i have 193Kohms for 2 resistors, but voltage pulse at pin 6 of U7750 i replaced U7750 same problem
 

dukefawks

Administrator
You must use a REAL 85W charger on 15" models or it will not start without a charged battery connected. You need to press the button too, no auto start on these.
 

aurel476

New member
Yes always real charger never bullshit charger ;)
press button one time for me work, strange at pin 6 of 7750 but logicboard work
Ok thanks duke considérer solved
 
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