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4 Replacement Procedures 4.19 System board
4-70 [CONFIDENTIAL] TECRA M11/Satellite Pro S500M Series Maintenance Manual (960-813)
Installing the System board
To install the system board, follow the steps below and refer to Figure 4-38 and 4-39.
1. Connect the 3G power harness to the connector CN9531 on the back of the system
board.
2. Connect the USB harness to the connector CN9510 on system board.
3. Arrange the USB harness on the DC fan and stick new insulators (SQUARE
INSULATOR) in place.
NOTE: Stick new SQUARE INSULATORS as shown in the figure below.