Specifications

Lenovo B50-30/B50-30 Touch/B50-45/B50-70
51
Figure13.Removalstepsofsystemboard(continued)
DisconnecttheODDboardconnectorandtheUSBboardconnectorinthe
directionshownbyarrow .ThendisconnecttheEDPconnectorinthe
directionshownbyarrow .
Removetwoscrews ,screw andtwoscrews .

Step Screw (quantity) Color Torque
M2.5x4mm,flat‐head,nylok‐coated(2) Black 2.0~2.5kgf.cm
M2x5mm,flat‐head,nylok‐coated(1) Silver 1.5~2.0kgf.cm
M2x3mm,flat‐head,nylok‐coated(2) Black 1.0~1.5kgf.cm
b
c
2
3
d
e
f
5
4
4
6
7
dd
7
de
7
df