LED Board
“Battery ASM” on page 49
“Hard Disk Drive” on page 49
“Keyboard” on page 54
To remove the LED board:
1. Remove the screw securing the LED board then dis-
connect the LED cable from the connector.
2. Lift the LED board.
Step Size (Quan-
tity) Head &
Color Torque
2 M2 x 4L (1) Flat head,
silver 2.0 kgf-cm
Note: Make sure you use the correct screw for replacement.
Upper Heatsink
“Battery ASM” on page 49
“Hard Disk Drive” on page 49
“Keyboard” on page 54
56 ThinkPad 390/i Series 1700