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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

There was a corrosion on LCD pins there is an Image on LCD but no Backlight Can you help me troubleshoot this mother board?

Please help me troubleshoot the problem F7700 has been Damaged

Max Current : 0.30 mA C8170: pin 1= 3.3 V U8170: pin 6= 0V Help me out sir

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

Can you help me find the board view? Current State Voltage : 5 V Current : 100 mA

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

when I plug the power supply, it chimes and there is a light on the screen , but no logo or anything. I'd appreciate your help

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 U3200 PP3V3_UPC_XB_LDO =Present 0.485 PP1V8_UPC_XB_LDOA =Present 0.502 PP1V8_UPC_XB_LDOD =Present 0.465 PP1V1_UPC_XB_LDO_BMC...

Can anyone help me out with the 820 00165A? 5V Missing P5VS4RS3_EN_R fluctuating