MacBook Pro (13-inch, M1, 2020) Logic Board
Before You Begin
Warning
Read Battery Safety and follow workspace and battery handling guidelines before you begin.
Remove the following part before you begin:
Tools
3 mm hex nut driver
Antenna tool
ESD-safe tweezers
Nylon probe (black stick)
Torx T3 screwdriver
Torx T5 screwdriver
Caution
This procedure requires System Configuration. After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process.
If you’re installing a replacement logic board, you must also install a replacement Touch ID board.
Important
This procedure requires a replacement polyester film.
Removal
Use the T3 screwdriver to remove nine T3 screws:
Three T3 screws (923-05253) from the L-shaped cowling (1)
Two T3 screws (923-05253, 923-05263) from the Touch ID board connector cowling (4)
Two T3 screws (923-05260) from the embedded Display Port (eDP) connector cowling (5)
Two T3 screws (923-05246) from the eDP flex cable cowling (6)
Use the T5 screwdriver to remove four T5 screws:
Two T5 screws (923-05254) from the trackpad connector cowling (2)
Two T5 screws (923-05255, 923-05256) from the audio board connector cowling (3)
Important: The audio board connector cowling has a deeper bend where the screw hole is closest to the heat sink arm. Note the orientation of the cowling for reinstallation.
Remove the following six cowlings and save them for reassembly:
L-shaped cowling (1)
Trackpad connector cowling (2)
Audio board connector cowling (3)
Touch ID board connector cowling (4)
eDP connector cowling (5)
eDP flex cable cowling (6)
Lift the ends of the following five flex cables (1–5) off the connectors on the logic board and one flex cable (6) off the connector on the timing controller (TCON) board:
Touch Bar touch flex cable (1)
Touch Bar display flex cable (2)
Input/output (I/O) board flex cable (3)
Trackpad flex cable (4)
Audio board flex cable (5)
eDP flex cable with connector cowling (6)
Important: Slightly lift the battery cover and route the trackpad flex cable (4) through the battery cover slot. Fully reinstall the battery cover before continuing.
Peel the polyester film tabs from the following eight flex cables:
Left speaker flex cable (1)
Keyboard backlight power cord flex cable (2)
Keyboard flex cable (3)
Right speaker flex cable (4)
Fan flex cable (5)
Right keyboard backlight flex cable (6)
Left keyboard backlight flex cable (7)
Microphone flex cable (8)
Use the black stick to flip up the locking levers of the following eight flex cables:
Left speaker flex cable (1)
Keyboard backlight power cord flex cable (2)
Keyboard flex cable (3)
Right speaker flex cable (4)
Fan flex cable (5)
Right keyboard backlight flex cable (6)
Left keyboard backlight flex cable (7)
Microphone flex cable (8)
Slide the ends of the following eight flex cables from their connectors:
Left speaker flex cable (1)
Keyboard backlight power cord flex cable (2)
Keyboard flex cable (3)
Right speaker flex cable (4)
Fan flex cable (5)
Right keyboard backlight flex cable (6)
Left keyboard backlight flex cable (7)
Microphone flex cable (8)
Remove and discard the polyester film from the wireless antenna coaxial cables.
Use the antenna tool to lift the ends of the two antenna coaxial cables off the connectors.
Use the T5 screwdriver to remove the five T5 screws (923-05240) (1), (923-05252) (2), (923-05250) (3) from the logic board.
Use the 3 mm hex nut driver to remove the 3 mm hex nut screw (923-05247) (4) from the heat sink arm.
Slightly lift the top edge of the battery cover and partially peel back the BMU flex cable (5). Fully reinstall the battery cover before continuing.
Gently lift up the edge of the logic board farthest from the display hinge. Then pull the logic board toward you and out of the top case. Move the cables out of the way as you remove the logic board.
Important: Note how the heat sink arm is positioned on the thermal duct for reassembly.
Reassembly
Important
If you’re installing a replacement logic board, follow step 1. If you’re reinstalling the existing logic board, skip to step 2.
Remove the existing Touch ID board and install a replacement Touch ID board.
Ensure that the thermal duct is installed on the heat sink arm correctly.
Before reinstalling the logic board, identify all 15 top case cables (1–15).
Note: There are 16 cables total, but the eDP flex cable with connector cowling is attached to the logic board and isn’t included in this image.
Hold the logic board by the edges. Tilt down the edge of the logic board closest to the display hinge. Then lower the rest of the logic board into the top case.
- Caution: Ensure that no top case cables are caught under the logic board.
Use the T5 screwdriver to partially reinstall the five T5 screws (923-05240) (1), (923-05252) (2), (923-05250) (3) into the logic board.
Use the 3 mm hex nut driver to partially reinstall the 3 mm hex nut screw (923-05247) (4) into the heat sink arm.
Use the T5 screwdriver to fully reinstall the five T5 screws. Then use the 3 mm hex nut driver to fully reinstall the 3 mm hex nut screw.
Use the blunt end of the antenna tool to press the ends of the two antenna coaxial cables to the connectors.
Adhere a replacement polyester film over the wireless antenna coaxial cables and T5 screw.
Slide the ends of the following eight flex cables (1–8) into the connectors:
Left speaker flex cable (1)
Keyboard backlight power cord flex cable (2)
Keyboard flex cable (3)
Right speaker flex cable (4)
Fan flex cable (5)
Right keyboard backlight flex cable (6)
Left keyboard backlight flex cable (7)
Microphone flex cable (8)
Use the flat end of the black stick to flip down the locking levers of the following eight flex cables:
Left speaker flex cable (1)
Keyboard backlight power cord flex cable (2)
Keyboard flex cable (3)
Right speaker flex cable (4)
Fan flex cable (5)
Right keyboard backlight flex cable (6)
Left keyboard backlight flex cable (7)
Microphone flex cable (8)
Press the polyester film tabs to the ends of the following eight flex cables:
Left speaker flex cable (1)
Keyboard backlight power cord flex cable (2)
Keyboard flex cable (3)
Right speaker flex cable (4)
Fan flex cable (5)
Right keyboard backlight flex cable (6)
Left keyboard backlight flex cable (7)
Microphone flex cable (8)
Press the ends of five flex cables (1–5) to the connectors on the logic board and one flex cable (6) to the connector on the TCON board:
Touch Bar touch flex cable (1)
Touch Bar display flex cable (2)
I/O board flex cable (3)
Trackpad flex cable (4)
Audio board flex cable (5)
eDP flex cable with connector cowling (6)
Important: Before you press the end of the trackpad flex cable (4) to the connector, slightly lift the battery cover and remove the cable from the slot. Fully reinstall the battery cover before continuing.
Reinstall the following six cowlings (1–6):
L-shaped cowling (1)
Trackpad connector cowling (2)
Audio board connector cowling (3)
Touch ID board connector cowling (4)
eDP connector cowling (5)
eDP flex cable cowling (6)
Important: Reinstall the audio board connector cowling (3) with the deeper bend closest to the heat sink arm.
Use the T3 screwdriver to reinstall the following nine T3 screws:
Three T3 screws (923-05253) into the L-shaped cowling (1)
Two T3 screws (923-05253, 923-05263) into the Touch ID board connector cowling (4)
Two T3 screws (923-05260) into the eDP connector cowling (5)
Two T3 screws (923-05246) into the eDP flex cable cowling (6)
Use the T5 screwdriver to reinstall the following four T5 screws:
Two T5 screws (923-05254) into the trackpad connector cowling (2)
Two T5 screws (923-05255, 923-05256) into the audio board connector cowling (3)
Reinstall the following part to complete reassembly:
Caution
After you’ve completed all removal and reassembly steps, learn how to initiate the System Configuration process.