System Board - Toshiba PORTEGE R300 Maintenance Manual

4.21 System board

4.21 System board
Removing the System board
To remove the system board, follow the steps below and refer to Figure 4-32 and Figure 4-33.
1. Remove the following screw of RGB connector.
• STUD
2. Disconnect the fan cable to the connector CN8781 on the system board.
3. Pell the insulator and disconnect the MDC cable to the connector MDC module.
4. Disconnect the RTC cable to the connector CN9300 on the system board.
5. Take off the DC-IN jack / USB connector / LAN connector / RGB connector from
the slot and remove the system board to the base assembly.
MDC module connector
CN8781
Fan cable
PORTÉGÉ R300 Maintenance Manual (960-591)
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Figure 4-32 Removing the System board (1)
Figure 4-33 Removing the System board (2)
4 Replacement Procedures
STUD
MDC cable
RTC cable
CN9300
System board
Insulator
[CONFIDENTIAL]
RGB connector
LAN jack
USB jack
DC-IN jack
4-41