Step Size (Quan-
tity) Head &
Color Torque
2 M2 x 4L (5) Flat head,
silver 1.6 kgf-cm
Note: Make sure you use the correct screw for replacement.
VR Board ASM 12.1"
“Battery ASM” on page 49
“Hard Disk Drive” on page 49
“Combo Bay” on page 50
“Keyboard” on page 54
“LCD Bezel ASM 12.1"” on page 76
“Speaker ASM 12.1"” on page 77
To remove the VR board ASM:
1. Disconnect the power cable from the VR board.
2. Carefully remove the VR board from the display
panel.
Step Size (Quan-
tity) Head &
Color Torque
2 M2 x 4L (1) Flat head,
silver 1.6 kgf-cm
Note: Make sure you use the correct screw for replacement.
78 ThinkPad 390/i Series 1700