dynabook Portege X40L-K Series - Figure 4-11 Removing the System Board (1); Figure 4-12 Removing the System Board (2)

Maintenance Manual (960-949) 4-15
Replacement Procedures
4.15.1 Removing the System board
To remove the system board, follow the steps below.
1. Disconnect the Keyboard FPC,Click Pad FFC, Keyboard Backlight
FPC, Speaker harness from the System Board.
Figure 4-11 Removing the system board (1)
2. Disconnect the Fingerprint FPC from the connector CN9551 on the
System Board.
3. Disconnect the Wireless LAN antenna cable from the connector on the
Wireless LAN card (black cable from “AUX or “2” and white cable from
“Main” or “1”).
4. Remove the following the screws. Carefully lift up the system board.
Figure 4-12 Removing the system board (2)
1
1
2
2
Keyboard FPC
peaker harne
Speaker
h
h
Keyboard Backlight FPC
Click Pad FFC
Speaker harness
1
S2 x 3CT
2
2
1
print F
FPC
Finger
C
gerp
P
i
Fingerprint FPC
WLAN Card
AUX(2)
Main(1)