IBM 390E Manuel D’Utilisation
System Board
“Battery ASM” on page 62
“Hard Disk Drive” on page 63
“Combo Bay” on page 64
“Keyboard” on page 70
“LED Board” on page 72
“Upper Heatsink” on page 73
“CPU Board” on page 75
“LCD Panel ASM” on page 76
“Upper Cover ASM” on page 78
“IMM Lower Heatsink ASM” on page 80
“Fan ASM” on page 81
“Power Latch, IR Board, and DC-DC & BATT Board”
on page 83
on page 83
Note: See “Replacing the system Board” on page 61
before proceeding.
Remove the two screws from the system board and gently
remove the system board from the base cover ASM.
remove the system board from the base cover ASM.
Step
Size (Quan-
tity)
tity)
Head &
Color
Color
Torque
1
M2.5 x 6L (2)
Pan head,
black
black
3.2 kgf-cm
Note: Make sure you use the correct screw for replacement.
84
ThinkPad 390E