Macbook Pro a1425 logic board

DWalsh

New member
I had removed F9700 before your post I was just letting you know what I did.

these were the measurements from the coils to ground

Reading to ground

L7030 = changing in the mega ohms
L7510 = 5.6 ohms
L7520 = 5.6 ohms
L7550 = 3.3 ohms
L7560 = 3.3 ohms
L7630 = 16 ohms

after that I measured the following to PPBUS_G3H since these were closer to 0 ohms

L7550 P1 12.3 ohms
L7560 P1 12.3 ohms
L7510 P1 14.5 ohms
L7520 P1 14.5 ohms

I haven't injected any power yet.
 

2informaticos

Administrator
Staff member
You have more coils to check, look schematic from page 57 to 63.
If between PPBUS_G3H and one coil you get the sum of both resistances to ground, that means its high side MOSFET is OK.
Where you will get the difference, then remove its MOSFET and check resistance to ground again.
 
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