System Board - Toshiba Satellite M300 Maintenance Manual

Replacement Procedures

4.13 System board

CAUTION: 1. when handling the system board, always hold by the edges. Do not touch
the printed circuit face.
2. If replacing with a new system board, execute the subtest01 Initial
configuration in section 3.3 "Setting of the hardware configuration". Also
update with the latest BIOS as described in Appendix G "BIOS Rewrite
Procedures" and with the latest EC/KBC as described in Appendix H
"EC/KBC Rewrite Procedures".
Remove the system board
The following describes the procedure for removing the system board.
1. Disconnect the Battery cable and DC cable from the system board (See Figure 4-25)
Figure 4-26
2. Disconnect the speaker cable from the connector on the system board.
3. Disconnect the Antenna cable from the antenna connector.
4. Disconnect the LAN FPC from the connector on the LAN board
Satellite M300 and Satellite Pro M300 Maintenance Manual (960-Q08)
DC cable Modem cable
Disconnect the Battery cable and DC cable
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Battery cable