Lenovo 100S Chromebook-11IBY, Hardware Maintenance Manual

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Contents
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . 2
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . . .
3
Grounding requirements . . . . . . . . . . . . 4
Safety notices (multilingual translations) . . . . . . 4
Chapter 2. General checkout . . . . . 19
What to do first . . . . . . . . . . . . . . 19
Checking the ac power adapter . . . . . . . . 20
Chapter 3. Idetifying FRUs (CRUs) . . 21
All FRUs (CRUs) for Lenovo 100S
Chromebook-11IBY. . . . . . . . . . . . .
21
Lenovo part numbers of replacement FRUs or
CRUs . . . . . . . . . . . . . . . . . .
22
Chapter 4. Removing a FRU or CRU . 25
General guidelines . . . . . . . . . . . . . 25
Remove the upper case and the battery. . . . . 25
Remove the I/O board . . . . . . . . . . . . 28
Remove the WLAN & Bluetooth combo module. . 29
Remove the speakers . . . . . . . . . . . . 30
Remove the system board and the DC-in cable . . 31
Remove the touch pad module . . . . . . . . 33
Disassemble the LCD module . . . . . . . . . 34
Remove the LCD bezel. . . . . . . . . . 34
Remove the LCD panel, the hinges, the LCD
cable and the camera module . . . . . . .
35
Appendix A. Features, controls, and
connectors . . . . . . . . . . . . . .
37
Appendix B. Specifications . . . . . . 39
Appendix C. Lenovo part numbers
of screws used on Lenovo 100S
Chromebook-11IBY . . . . . . . . . .
41
Appendix D. Lenovo part numbers of
ac adapters and power cords . . . .
43
Appendix E. Label locations. . . . . . 45
Trademarks . . . . . . . . . . . . . . . . xlvii
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