Lenovo ThinkPad 390E ThinkPad 390 / i Series 1720 models Hardware Maintenance - Page 76

VR Board ASM 14.1

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Step Size (Quantity) Head & Color Torque 2 M2 x 4L (2) Flat head, silver 1.6 kgf-cm Note: Make sure you use the correct screw for replacement. VR Board ASM 14.1" "Battery ASM" on page 49 "Hard Disk Drive" on page 49 "Combo Bay" on page 50 "Keyboard" on page 54 "LCD Bezel ASM 14.1"" on page 66 "Speaker ASM 14.1"" on page 67 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. 68 ThinkPad 390/i Series 1700

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Step
Size (Quan-
tity)
Head &
Color
Torque
2
M2 x 4L (2)
Flat head,
silver
1.6 kgf-cm
Note:
Make sure you use the correct screw for replacement.
VR Board ASM 14.1"
±
“Battery ASM” on page
49
±
“Hard Disk Drive” on page
49
±
“Combo Bay” on page
50
±
“Keyboard” on page
54
±
“LCD Bezel ASM 14.1"” on page
66
±
“Speaker ASM 14.1"” on page
67
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.
68
ThinkPad 390/i Series 1700