Macbook pro 2012 820-3115-B Greenlight no Power on

[dellxps15]

Re: Macbook pro 2012 820-3115-B Greenlight no Power on

q7220 volt ? all pin

[platinumsteel]

Re: Macbook pro 2012 820-3115-B Greenlight no Power on

here you go my friend..

Pin 1 P3V3S5_DRVH = 0.860v
Pin 2 PPBUS_S5_HS_Other_ISNS= 12.58v
Pin 3 GND
Pin 4 GND
Pin 5 GND
Pin 6 P3V3S5_DRVL = 0v
Pin 7 P3V3S5_LL = 0v

[piernov]

Re: Macbook pro 2012 820-3115-B Greenlight no Power on

For sure something went wrong between the beginning and now…
You have to fix PP5V_S5 first. Either shorted to ground or bad U7200.

[platinumsteel]

Re: Macbook pro 2012 820-3115-B Greenlight no Power on

Thanks a lot for that information...I will change U7200 for a new 1...and see how it goes ..and report back for sure..