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N42-20 Chromebook
Hardware maintenance manual
Table Of Contents - Lenovo N42-20 Chromebook Hardware Maintenance Manual
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Also See for N42-20 Chromebook
:
User manual
(44 pages)
,
Safety, warranty, and setup manual
(2 pages)
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Contents
Chapter 1. Safety information
. . . . . . 1
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 N42-20
Chromebook
. . . . . . . . . . . . . . .
Chapter 4. Removing a FRU or CRU
. 25
General guidelines
. . . . . . . . . . . . .
Remove the upper case (with keyboard)
. . . . .
Remove the battery pack
. . . . . . . . . .
© Copyright Lenovo 2016
Remove the speakers
. . . . . . . . . . . .
1
Remove the USB board
. . . . . . . . . . .
1
Remove the WLAN & Bluetooth combo module
. .
2
Remove the LCD module
. . . . . . . . . .
Remove the system board and the DC-in cable
. .
3
Disassemble the LCD module
. . . . . . . . .
4
Remove the LCD bezel
. . . . . . . . . .
4
Remove the LCD panel
. . . . . . . . .
Remove the camera assembly or the LCD &
camera cable
. . . . . . . . . . . . .
19
Remove the hinges
. . . . . . . . . . .
20
Appendix A. Lenovo part numbers for
replacement FRUs
. . . . . . . . . . 37
21
Appendix B. Lenovo part numbers for
CRUs and miscellaneous parts
. . . . 39
25
Appendix C. Label locations
. . . . . 43
25
Trademarks
. . . . . . . . . . . . . . . .
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