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It's not assumptions. I don't know all these details about about MacBook. I think I forgot to mention this is my first time working on mac. Thanks for your help. I learned a lot.

I wasn’t able to measure 3.3v. I checked at L7260 and =PP3V3_S5_REG was 0V. This happens with or without battery installed. The reset on MC_MANUAL_RST_L (R5001) didn’t change anything and Fan spin still off. with this information 3V3_S5 = 0v and Fan spin off I thought the board still has some...

Should the fan spin when I connect the charger for this model right? If so, The board still has a problem.

Thanks for your help. So, these are the correct values for diode test. I could find PM_PWRNTN_L. Are you talking about PWR BTN? I guess SMC_Reset grounds the SMC_ONOFF_L signal for pin PWR_BUTTON on SMC.... But how about the PWR_BTN? What is the proper way to bypass the power button...

Ok 2informaticos, Trigger SMC_ONOFF_L and check for pulse at 5V_S3 coil (L7220). No pulse or voltage...

Thanks 2informaticos PPBUS_G3H is 8.4V with and also without battery connected. Magsafe light changes amber to green very quick. Fan still do not run. I haven't used R5015 or power bottom.

Hi all. I have a macbook pro (2009/2010) that I haven't used for a long time. Only the charger green light turns on. I did all resets and still the same. I checked Louis Youtube video and the PP1V05_S5_MCP was measuring 3mV. I replaced C7771 and the rail back to normal 1.1V. I installed only...