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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: crwdns2935265:00crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Repair For MacBook Pro A1989 That Won't Turn On: crwdns2935265:00crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Repair For MacBook Pro A1989 That Won't Turn On: crwdns2935265:00crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

  • The motherboard number is 820-00850-07.

  • Open the schematic diagram and bitmap.

  • U3900 is the T2 chip. U7800 is the power chip.

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