Re: Help wanted with 2009 macbook pro no power

Hi Guys, i'm working on an 820-2565-A board.

I have done a number of measurments and it looks like the power is gone rather quick.

I have checked the variouse powers related to the PBus Supply & Battery Charger (page 64 of the diagrams.) (see attached my results.

PPDCIN_G3H = 17.1 V
PPDCIN_G3H_INRUSH_FET =17.1 V
PPDCIN_G3H_INRUSH = 16.8 V
PPDCIN_G3H_CHGR = 16.7 V
PP5V1_CHGR_VDDP = 5.1 V

PP3V42_G3H = 0 V
PPVBAT_G3H_CHGR_REG = 0V
...

Re: New Members - please post your introductions here

Hello all,

I'm Robert and living in the Netherlands.
51 years of age and love to play around with computers.
In the last couple of years I have started repairing things more often and i'm now working on an MacBook Pro 2012 model.
I hope via this forum and the help of the form i will get it to work again.