dynabook PORTEGE X40-J Series - Information for Wireless Devices

Maintenance Manual (960-942) 4-30
Replacement Procedures
Figure 4-34 Removing the system board (1)
2. Disconnect the LCD harness from the connector CN5390 on the
System Board (FSAPSY*) and release the harness from the guide on
the Cover Assembly.
Figure 4-35 Removing the system board (2)
3. Remove the following the screws. Carefully lift up the system board.
1
2
0
0
C
y
C
C
40
4
4
4
4
3
N3
N
N
C
C
0
0
0
CN3
C
C
C
324
3
40
4
4
4
N
N
N
3
3
3
C
C
C
32
3240
C
Keyboard Backlight harne
C
P
P
F
o
board FPC
Keyboard FPC
K
K
PC
1
2
CN3240
CN3260
Keyboard Backlight harness
Keyboard FPC
CN5390
2
1