4 Replacement Procedures 4.19 QI board / CN board
4.19.2 CN board
Removing the CN board
The following describes the procedure for removing the CN board. (See Figure 4-30.)
1. Remove the following screws securing the CN board.
• M2.5x6.0B FLAT BIND screw x2
2. Pull up to remove the CN board from the cover assembly.
M2.5x6.0B FLAT BIND
CN board
Figure 4-30 Removing the CN board
Installing the CN board
The following describes the procedure for installing the CN board. (See Figure 4-30.)
1. Install the CN board to the cover assembly and secure it with the following screws.
• M2.5x6.0B FLAT BIND screw x2
4-48 [CONFIDENTIAL] TECRA M4 Maintenance Manual (960-521)
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