Lenovo E50-70 Laptop Hardware Maintenance Manual - Lenovo E40-xx0, E50-xx - Page 90

andthenremovetwoscrews, andtwoscrews, not subjected to any tension. Tension could cause the cables

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Removal steps of the LCD unit, docking board, docking cable and DC-in cable Release the antenna cables from the cable guide 1 , and then remove two screws 2 and two screws 3 . b b c c a a a Step 2 3 Screw (quantity) M2.5 × 6mm, flat-headed, nylon-coated (2) (E40) M2.5 × 5mm, flat-headed, nylon-coated (2) (E50) M2.5 × 4mm, flat-headed, nylon-coated (2) (E40) M2.5 × 5mm, flat-headed, nylon-coated (2) (E50) Color Black Black Silver Black Torque 3.0 +/- 0.3kgf-cm 3.0 +/- 0.3kgf-cm 3.0 +/- 0.3kgf-cm 3.0 +/- 0.3kgf-cm When installing: • Route the antenna cables along the cable guides. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. • Make sure that the LCD connector is attached firmly and make sure that you do not pinch the antenna cables when you attach the LCD assembly. Route the LCD cable along the cable guides. 84 Hardware Maintenance Manual

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RemovalstepsoftheLCDunit,dockingboard,dockingcableandDC-incable
Releasetheantennacablesfromthecableguide
1
,andthenremovetwoscrews
2
andtwoscrews
3
.
Step
Screw(quantity)
Color
Torque
M2.5×6mm,flat-headed,nylon-coated(2)(E40)
Black
3.0+/-0.3kgf-cm
2
M2.5×5mm,flat-headed,nylon-coated(2)(E50)
Black
3.0+/-0.3kgf-cm
M2.5×4mm,flat-headed,nylon-coated(2)(E40)
Silver
3.0+/-0.3kgf-cm
3
M2.5×5mm,flat-headed,nylon-coated(2)(E50)
Black
3.0+/-0.3kgf-cm
Wheninstalling:
• Route the antenna cables along the cable guides. As you route the cables, make sure that they are
not subjected to any tension. Tension could cause the cables to be damaged by the cable guides,
or a wire to be broken.
• Make sure that the LCD connector is attached firmly and make sure that you do not pinch the antenna
cableswhenyouattachtheLCDassembly.RoutetheLCDcablealongthecableguides.
84
Hardware Maintenance Manual