Studio Display Logic Board
Before You Begin
Danger
Ensure that the power cord is not plugged into an electrical outlet.
Remove the following parts before you begin:
Tools
Adjustable torque driver (10–34 Ncm)
Adjustable torque driver (0.3–1.2 Nm)
Alignment pins (2 mm)
ESD-safe tweezers
Nylon probe (black stick)
Support wedge for tilt-adjustable stand
Support wedge for tilt- and height-adjustable stand
Torx T6 bit
Torx T6 screwdriver
Caution
This procedure requires System Configuration. To perform System Configuration you will need the following:
The latest version of Apple Service Utility installed on a Mac running macOS Sonoma (14.1 or later)
Internet access
A USB-C charge cable or a USB-A to USB-C cable. The USB-C cable must support both power and data. Don’t use Thunderbolt 3 cables.
Removal
Important
Ensure that the support wedge is between the housing and the stand to keep the display in place.
Pinch the sides of the ends of the five cables and slide them out of the connectors (1).
Pull the tabs to flip up the locking bars on the two flex cables (2). Then slide the ends of the two flex cables out of the connectors.
Use ESD-safe tweezers to peel back the polyester film tabs on the three locking lever connectors (3). Use the flat end of the black stick to flip up the three locking levers. Then slide the three flex cables out of the connectors.
Use the flat end of the black stick to press and hold the “PUSH” button on the zero-insertion force (ZIF) connector (4) and use ESD-safe tweezers to slide the end of the flex cable out of the connector.
Use the T6 screwdriver to remove the four T6 screws (923-07141) from the logic board bus bar. Then remove the bus bar.
Use the T6 screwdriver to remove the five T6 screws (923-07142) from the logic board.
Use the black stick to move the cables out of the way as you lift the logic board out of the housing.
Reassembly
Install the two 2 mm alignment pins as shown.
Use the two 2 mm alignment pins to position the logic board into the housing while using the black stick to move the cables out of the way.
Use the T6 screwdriver to partially reinstall three T6 screws (923-07142) as shown.
Insert the Torx T6 bit into the 0.3–1.2 Nm adjustable torque driver. Set the torque value to 0.4 Nm.
Use the adjustable torque driver and T6 bit to fully reinstall the three T6 screws.
Remove the two 2 mm alignment pins. Then use the T6 screwdriver to partially reinstall two T6 screws (923-07142) as shown.
Keep the Torx T6 bit in the 0.3–1.2 Nm adjustable torque driver. Ensure that the torque value is still set to 0.4 Nm.
Use the adjustable torque driver and the T6 bit to fully reinstall the two T6 screws.
Position the logic board bus bar on the logic board and the power supply board. Use the T6 screwdriver to partially reinstall the four T6 screws (923-07141).
Important: Ensure that the hooks on the bus bar align with the notches in the logic board.
Insert the Torx T6 bit into the 10–34 Ncm torque driver. Set the torque value to 20.5 Ncm. Use the adjustable torque driver and T6 bit to fully reinstall the four T6 screws.
Slide the end of the ZIF flex cable into the connector (1). Ensure that the cable is fully inserted.
Slide the ends of the three locking lever flex cables into the connectors (2). Then use the black stick to flip down all three locking levers. Press the polyester film tabs to adhere them to the flex cables.
Slide the ends of the two locking bar flex cables into the connectors (3). Then use the black stick to flip down the locking bars.
Slide the ends of the five cables into the connectors (4).
Reinstall the following parts to complete reassembly:
Caution
System Configuration is required if you replaced the logic board. You will initiate and complete System Configuration at the end of display reassembly. You will need a separate Mac with Apple Service Utility installed to perform System Configuration.
If you replaced the logic board, the screen will show an alert symbol and “support.apple.com/display/restore” until you complete System Configuration.