Lenovo N20 Chromebook Hardware Maintenance Manual - Lenovo N20 Chromebook - Page 5
Contents, Removing a FRU or CRU
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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 N20 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 bezel 40 Remove the LCD panel 41 Remove the hinges, the LCD cable, and the WLAN antennas 42 Remove the camera board and the camera cable 43 Appendix A. Features, controls, and connectors 45 Appendix B. Lenovo part numbers of screws used on N20 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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