Lenovo ThinkPad i Series 172x ThinkPad 390 / i Series 1720 models Hardware Mai - Page 68

Upper Cover ASM, LCD Panel ASM

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Step Size (Quantity) Head & Color Torque 2 M2.5 x 10L Pan head, 12.1"L 1.6 (1) silver kgf-cm M2 x 4L (1) Pan head, black 12.1"R 1.6kgf-cm 2 M2.5 x 18L Pan head, 13.3" and (1) silver 14.1" M2 x 10L (1) Pan head, silver L:1.6 kgf-cm R:1.6 kgf-cm 3 M2.5 x 6L (4) Flat head, black 3.5 kgf-cm Note: Make sure you use the correct screw for replacement. Upper Cover ASM "Battery ASM" on page 49 "Hard Disk Drive" on page 49 "Combo Bay" on page 50 "Keyboard" on page 54 "LED Board" on page 56 "Upper Heatsink" on page 56 "LCD Panel ASM" on page 59 To remove the upper case: 1. Remove the screws from the upper cover ASM. 60 ThinkPad 390/i Series 1700

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Step
Size (Quan-
tity)
Head &
Color
Torque
2
M2.5 x 10L
(1)
M2 x 4L (1)
Pan head,
silver
Pan head,
black
12.1"L 1.6
kgf–cm
12.1"R
1.6kgf-cm
2
M2.5 x 18L
(1)
M2 x 10L (1)
Pan head,
silver
Pan head,
silver
13.3" and
14.1"
L:1.6 kgf-cm
R:1.6 kgf-cm
3
M2.5 x 6L (4)
Flat head,
black
3.5 kgf-cm
Note:
Make sure you use the correct screw for replacement.
Upper Cover ASM
±
“Battery ASM” on page
49
±
“Hard Disk Drive” on page
49
±
“Combo Bay” on page
50
±
“Keyboard” on page
54
±
“LED Board” on page
56
±
“Upper Heatsink” on page
56
±
“LCD Panel ASM” on page
59
To remove the upper case:
1.
Remove the screws from the upper cover ASM.
60
ThinkPad 390/i Series 1700