Table Of Contents - Lenovo Chromebook Duet 3 Hardware Maintenance Manual

Contents
About this manual . . . . . . . . . . . . iii
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 . . . . . 21
What to do first . . . . . . . . . . . . . . .
CRU list . . . . . . . . . . . . . . . . . .
Chapter 3. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 23
Locate FRUs and CRUs
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 25
© Copyright Lenovo 2023
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Service tools . . . . . . . . . . . . . . . .
General guidelines. . . . . . . . . . . . . .
Remove the LCD module . . . . . . . . . . .
Remove the battery pack . . . . . . . . . . .
Remove the speakers . . . . . . . . . . . .
Remove the I/O board brackets
Remove the I/O board with cable . . . . . . . .
Remove the pogo pin bracket . . . . . . . . .
Remove the heat sink . . . . . . . . . . . .
Remove the front-facing camera . . . . . . . .
Remove the front-facing camera LED cable . . . .
Remove the antenna module. . . . . . . . . .
21
Remove the microphone cables . . . . . . . .
22
Remove the power and volume board and cable . .
Remove the rear-facing camera and bracket . . .
Remove the system board. . . . . . . . . . .
23 Remove the pogo pin cable . . . . . . . . . .
Chapter 5. Label location . . . . . . . 45
Trademarks . . . . . . . . . . . . . . . . xlvii
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