User Guide

4.13 Power Supply Board 4 Replacement Procedures
4.13 Power Supply Board
Removing the Power Supply Board
Remove the power supply board according to the following procedures and Figure 4-32.
1. Disconnect the cable harnesses from CN21 and CN22 on the system board.
2. Remove the two M2.5x4 black bind screws for fixing the power supply board.
3. Remove the power supply board.
Figure 4-32 Removing the power supply board
Installing the Power Supply Board
Install the power supply board according to the following procedures and Figure 4-32.
1. Connect CN521,CN522 on the power supply board to CN20,CN23 on the system board
and place the power supply board in the correct position.
2. Fix the power supply board with the two M2.5x4 black bind screws.
3. Connect the cable harnesses to CN21 and CN22 on the system board.
Satellite M20 Maintenance Manual 4-49