820-01700 PPBUS 5v

[iClub]

Hello, I have this mac that was working, but stopped turning on unexpectedly. There was no contact with liquid.
It replaces the U7000, Q7030/40.
C7030, R7030/40 are okay.

Voltage:
I removed F7000/01, in the PPVBAT_G3H_CHGR_REG mesh there is 12.33V.

In diode mode on the PPbus 0.275v

 

[2informaticos]

Do you get PPBUS_G3H voltage with F7000/1 soldered in place?
What about 3V3_G3H_RTC?
Did you test with 96/140W charger?
Also try with battery connected.

 

[iClub]

Without the F7000/1 fuse, it's 12.3V.
With the fuse it's 4.8V.

PP3V3_G3H_RTC_X 28mV | diode mode 0.390v

I'm using the original 96W charger.

 

[2informaticos]

PPBUS_G3H should give you higher value in diode mode to ground.

OpenBoardData Project

Check it in reverse way too (black on ground).
Then check if any big coil gives you the same readings.
Don't forget the small coils for SSD (L9080/580).