IBM 2621421 Hardware Maintenance Manual - Page 93

System Board

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System Board "Battery Assembly" on page 60 "Keyboard" on page 63 "Hard Disk Drive and HDD Heatsink" on page 65 "Processor Heatsink" on page 69 "LCD Assembly" on page 72 "Upper Cover (Keyboard Bezel)" on page 73 Step Size (Quantity) Head & Color Torque Memo 1 M2.5 x 6L Bind 3.2 w/ (2) head, kgf-cm nylok black paste Note: Make sure you use the correct screw for replacement. Notes: 1. When removing the system board from the base cover, gently raise the side of the system board facing the rear I/O ports; then pull out the system board. 2. When replacing the system board, align the power switch and power actuator. Make sure that the power switch operates correctly before securing the screws. ThinkPad i Series 1400 (Part I) 85

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System Board
±
“Battery Assembly” on page
60
±
“Keyboard” on page
63
±
“Hard Disk Drive and HDD Heatsink” on page
65
±
“Processor Heatsink” on page
69
±
“LCD Assembly” on page
72
±
“Upper Cover (Keyboard Bezel)” on page
73
Notes:
1.
When removing the system board from the base
cover, gently raise the side of the system board
facing the rear I/O ports; then pull out the system
board.
2.
When replacing the system board, align the power
switch and power actuator. Make sure that the power
switch operates correctly before securing the screws.
Step
Size
(Quantity)
Head &
Color
Torque
Memo
1
M2.5 x 6L
(2)
Bind
head,
black
3.2
kgf-cm
w/
nylok
paste
Note:
Make sure you use the correct screw for replacement.
ThinkPad i Series 1400 (Part I)
85