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A1989 unable to start investigating due to USB C Port fluctuation
Laptop was purchased as broken, so unclear what happened. First initial readings attached: UB300 LDO BMC 0 LDOD 1,1 to 3,9 flucuating LDOA 1,1 to 1,8 fluctuating PP3V3 UPC TA LDO 3,1 V U3100 LDO BMC 0 LDOD 1,7 V LDOA 1,8 PP3V3 UPC TA LDO 3,2 V U3200 LDO BMC 0 LDOD 1,7 V LDOA 1,8 PP3V3 UPC TA...- Daffy_ED9
- Post #3
- Forum: Macbook Logic Board Repair Questions
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A1989 unable to start investigating due to USB C Port fluctuation
Hi Community, got a A1989 that shows a strange behaviour while powering up. USB C Port 1 is stable 5 V at 0,170A draw USB C Port 2 5V with fluctuating draw jumping from 0,47A down to 0,045A and repeating USB C Port 3 5V with fluctuating draw jumping from 0,47A down to 0,045A and repeating USB...- Daffy_ED9
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- Replies: 3
- Forum: Macbook Logic Board Repair Questions