Specifications

Lenovo B50-30/B50-30 Touch/B50-45/ B50-70

Hardware Maintenance Manual

1190 LCD hinges

Foraccess,removetheseFRUs:

• “1010Batterypack”onpage33

• “1020Opticaldrive”onpage34

• “1030Bottomslotcover”onpage36

• “1040Harddiskdrive”onpage37

• “1050DIMM”onpage39

• “1060PCIExpressMiniCardforwirelessLAN/WAN”onpage40

• “1070Keyboard”onpage41

• “1080Keyboardbezel”onpage43

• “1110Ledboard”onpage48

• “1130Systemboard”onpage50

• “1160LCDunitandbasecover”onpage55

• “1170LCDfrontbezel”onpage59

• “1180LCDpanel”onpage60

Figure19.Removalstepsofhinges

Removetwoscrews andsixscrews .Removethehingesinthedirection

shownbyarrow .

Step Screw (quantity) Color Torque

M2x4mm,flat‐head,nylok‐coated(2) Black 1.5~2.0kgf.cm

M2.5x4mm,flat‐head,nylok‐coated(6) Black 2.0~2.5kgf.cm