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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
I am sorry , i am a bit Dumb.
Can you tell me how to " check XW7720 integrity "?
There is nothing shorted in that Area, I am not sure why fuse blown out
Help me remove the shorting from the board
No signs of Physical Damage or Liquid Damage
No history and Board looks clean under the microscope
Input Voltage : 5 V
F 7000 Pin 2 : 0.50 V & 54 ohm RTG
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?
I cannot see any corrosion or anything physical near U7400. Should I start with disconnecting coil or replacing u7400? and Should I put Q8150 back to its place now?