4.14 System Board 4 Replacement Procedures
4.14 System Board
Removing the System Board
To remove the system board, first remove the top cover, then follow the steps below:
1. Remove four M2x4 screws securing the Express Bracket and two M2.5x3 screws securing
the Express PC Board. Lift out the Express Bracket and Express PC Board.
2. Remove four M2.5x3 screws from the system board.
Figure 4-30
Removing the system board screws
3. Remove two hexagonal screws from the back of the system board.
Figure 4-31
Removing the hexagonal screws
Detroit 20 /Detroit 20E Series Maintenance Manual [CONFIDENTIAL] 4-29
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