4.17 LED board 4 Replacement Procedures
4.17 I/O Board
Removing the I/O Board
Remove the I/O board according to the following procedures and Figure 4-41.
1. Remove the M2.5x4 black flat-head screw for securing the I/O board.
2. Remove the I/O board.
3. Disconnect the SUMI-card (flat cable) from CN3006 on the I/O board.
Figure 4-41 Removing the I/O board
Installing the I/O Board
Install the sound board according to the following procedures and Figures 4-41.
1. Connect the SUMI-card to CN3006 on the I/O board.
2. Place the I/O board in the correct position.
3. Secure the I/O board with the M2x4 black flat-head screw.
Satellite M40/M45, TECRA A4, dynabook Vx/4 Maintenance Manual 4-59
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