APPLE MACBOOK AIR M1 (A2337) Wont Turn On

Logic Board Assembly (8GB/256GB)

The M1 SoC, RAM, and SSD are integrated into a single PCB; a failure in any primary voltage rail (such as PP3V3_S2) or the M1 PMU prevents the logic gates from reaching a high state for power-on. This assembly replacement is the only reliable resolution when the device fails to negotiate the 20V Power Delivery profile.

SKU: 661-16807

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USB-C I/O Board

Physical fatigue of the USB-C port pins or electrostatic discharge (ESD) damage to the transient voltage suppression diodes on this daughterboard can interrupt the CC1/CC2 communication lines. If these lines are compromised, the system cannot signal the charger to provide sufficient wattage to boot a device with a depleted battery.

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USB-C Charge Cable (2m)

Internal fracture of the copper strands within the cable jacket can lead to high resistance or a complete break in the VBUS line. This prevents the initial 5V 'wake' voltage from reaching the logic board, precluding any subsequent power-on sequences.

SKU: MLL82AM/A

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