Lenovo Z41-70 Hardware Maintenance Manual page 66

Lenovo Z41-70/Z51-70/ideapad 500-14ACZ/ideapad 500-15ACZ
Hardware Maintenance Manual
62
Figure 12. Removal steps of system board (continued)
Detach the two connectors in the directions shown by arrows 2. Remove the
screws 3.
Z41-70/ideapad 500-14ACZ
Z51-70/ideapad 500-15ACZ
Step Screw (quantity)
M2.5 × 4 mm, Phillips head, nylok-coated (4)
3
MB TO UPPER (Z41-70/ideapad 500-14ACZ)
M2.5 × 4 mm, Phillips head, nylok-coated (6)
3
MB TO UPPER & MB TO KB BRK
(Z51-70/ideapad 500-15ACZ)
Color Torque
Silver 3.0+/-0.3 kgf/cm
Silver 3.0+/-0.3 kgf/cm