Lenovo B50-30/B50-30 Touch/B50-45/B50-70
47
1100 USB board and ODD board
Foraccess,removetheseFRUs:
• “1010Batterypack”onpage33
• “1020Opticaldrive”onpage34
• “1030Bottomslotcover”onpage36
• “1070Keyboard”onpage41
• “1080Keyboardbezel”onpage43
Figure10.RemovalstepsofUSBboardandODDboard
Disconnecttwoconnectorsinthedirectionshownbyarrow .Removethe
screws .ThenremovetheUSBboardandODDboardinthedirectionshown
byarrow .
Wheninstalling:MakesurethattheODDandUSBconnectorsareattached
firmly.
Step Screw (quantity) Color Torque
M2.5x4mm,flat‐head,nylok‐coated(3) Black 2.0~2.5kgf.cm
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