Lenovo ThinkPad i Series 172x ThinkPad 390 / i Series 1720 models Hardware Mai - Page 86

VR Board ASM 12.1

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Step Size (Quantity) 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 (Quantity) 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

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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