Lenovo N20p Chromebook Hardware Maintenance Manual - Lenovo N20p Chromebook - Page 5
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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 N20p Chromebook . 21 Lenovo part numbers of replacement FRUs or CRUs 24 Chapter 4. Removing a FRU or CRU . 29 General guidelines 29 Remove the keyboard 29 Remove the upper case 31 Remove the WLAN & Bluetooth combo module. . 33 Remove the LCD module 34 Remove the dc-in connector 35 Remove the battery pack 37 Remove the speakers 38 Remove the system board and the I/O board. . . 39 Disassemble the LCD module 40 Remove the LCD panel 40 Remove the G-sensor board 41 Remove the hinge assembly and the camera board 42 Appendix A. Features, controls, and connectors 45 Appendix B. Lenovo part numbers of screws used on N20p Chromebook . 47 Appendix C. Lenovo part numbers of ac adapters and power cords . . . . 49 Appendix D. Label locations . . . . . 51 Trademarks liii © Copyright Lenovo 2014 iii
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