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Ampere on PSU is fluctuating ..range from 0.350 to0.750
Not working on Battery,
While charger is connected Battery shows 40 percent, and charging and when I take the charger plug out MacBook turns off
Corrosion on Q7040
Could someone help me with what to do next?
I am working on 820-2914 board. It’s a MacBook Pro 17”
I have display as confirmed bu chipmunk USB tester. I am missing LCD BKLT EN. It comes from GMUX U9600
If it’s not present, anything I can do?
Board is taking 0.160 mA
ALL_SYS_PWRGD : 0.60 mA
How would I know if its Q8150 or U1950?
I want to know how to approach this issue ? I don't want to use hit and trail method
I appreciate all your help Sir
After multiple attempts
Every time I click on erase , it is loading back asking for user id password or Iclould. I don't have either.
First Type C port: It takes 20 V in but doesn't boot up
Second Type C port : It works fine
Stuck at 5 V 0.30 mA
PPBUS_G3H = 4.4V
Diode Reading of all LDOs are present
PP3V3_UPC_XB_LDO =Present 0.485
PP1V8_UPC_XB_LDOA =Present 0.502
PP1V8_UPC_XB_LDOD =Present 0.465