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Reparación de MacBook Pro A1989 que no enciende

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Repair For MacBook Pro A1989 That Won't Turn On: crwdns2935265:00crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Repair For MacBook Pro A1989 That Won't Turn On: crwdns2935265:00crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

  • Plug in the BY-3200 and the input voltage is 5V.

  • The current reading on the DC Power Supply stays at 0.059A.

  • The power supply of the motherboard is only 5V, which is abnormal.

  • The normal power supply should be 20V. It indicates that the motherboard has malfunctioned.

Conecte el BY-3200 y el voltaje de entrada será de 5 V.

La lectura actual en la fuente de alimentación de CC se mantiene en 0,059 A.

La fuente de alimentación de la placa base es de solo 5 V, lo cual es anormal.

La fuente de alimentación normal debe ser de 20 V. Esto indica que la placa base ha fallado.

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