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Repair For MacBook Pro A1989 That Won't Turn On

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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

  • Measure the standby voltage of the T2 chip, which is supplied by the U7800. Find U7800 on the schematic diagram.

  • This table shows the standby voltage of T2 chip.

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