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Macbook Pro 15, A1990 820-01041
I found the problem, Pin 1 and 3 have short circuit. Multiplexor U9850 was faulty. Removed it and Macbook booted up on external monitor. Thank you so much for your help! :)- nikelectro
- Post #3
- Forum: Macbook Logic Board Repair Questions
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Macbook Pro 15, A1990 820-01041
Hi, I have the following case: This Macbook got spilled over the right charging ports with coffee. I noticed signs of coffee around the connector of the LCD display. After thorough cleaning, I noticed that coil L8504 is burnt. Voltage is stuck at 5V, current is going up to 53mA and then drops...- nikelectro
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- Replies: 2
- Forum: Macbook Logic Board Repair Questions