4 Replacement Procedures 4.18 System board
4.18 System board Removing the System board
The following describes the procedure for removing the system board. (See Figure 4-30.)
1. Disconnect the Bluetooth cable from the connector CN4400 on the system board.
2. Peel off the insulator and take out the modem jack, DC-IN jack and HDD cable
from the slot.
3. Remove the modem cable holder from the slot. (The modem cable holder is adhered
by the double-sided tape to the slot.)
4. Lift up the system board from the base assembly to remove while pushing the
portion A and portion B of the base assembly outwards as shown in the figure
below. Bluetooth cable
DC-IN jack
Modem cable holder
Modem jack
Portion A
CN4400
Pontion B
Insulator
HDD cable
System board
Figure 4-30 Removing the system board
4-44 [CONFIDENTIAL] TECRA M9 Maintenance Manual (960-631)