Table Of Contents - Lenovo N20p Chromebook Hardware Maintenance Manual

Contents
Chapter 1. Safety information . . . . .
General safety . . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . .
Handling devices that are sensitive to electrostatic
discharge. . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . . .
Safety notices (multilingual translations) . . . . .
Chapter 2. General checkout . . . . . 19
What to do first . . . . . . . . . . . . . .
Checking the ac power adapter . . . . . . . .
Chapter 3. Idetifying FRUs (CRUs) . . 21
All FRUs (CRUs) for Lenovo N20p Chromebook
Lenovo part numbers of replacement FRUs or
CRUs . . . . . . . . . . . . . . . . . .
Chapter 4. Removing a FRU or CRU . 29
General guidelines . . . . . . . . . . . . .
Remove the keyboard . . . . . . . . . . . .
Remove the upper case . . . . . . . . . . .
Remove the WLAN & Bluetooth combo module. .
© Copyright Lenovo 2014
1
Remove the LCD module . . . . . . . . . .
1 Remove the dc-in connector . . . . . . . . .
1 Remove the battery pack . . . . . . . . . .
2 Remove the speakers . . . . . . . . . . . .
Remove the system board and the I/O board. . .
3
Disassemble the LCD module . . . . . . . . .
4
Remove the LCD panel . . . . . . . . .
4
Remove the G-sensor board . . . . . . .
Remove the hinge assembly and the camera
board . . . . . . . . . . . . . . . .
19
Appendix A. Features, controls, and
20
connectors . . . . . . . . . . . . . . 45
Appendix B. Lenovo part numbers of
. 21
screws used on N20p Chromebook . 47
24
Appendix C. Lenovo part numbers of
ac adapters and power cords . . . . 49
29
Appendix D. Label locations . . . . . 51
29
Trademarks . . . . . . . . . . . . . . . .
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