Table Of Contents - Lenovo IdeaPad Flex 3 Chromebook 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. Create and use a USB
repair shim . . . . . . . . . . . . . . . 23
What is a USB repair shim? . . . . . . . . . .
Create a USB repair shim . . . . . . . . . . .
Use the USB repair shim . . . . . . . . . . .
Chapter 4. Idetifying FRUs (CRUs) . . 25
Locate FRUs and CRUs
© Copyright Lenovo 2021
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Chapter 5. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 29
Service tools . . . . . . . . . . . . . . . .
General guidelines. . . . . . . . . . . . . .
Remove the lower case . . . . . . . . . . . .
Remove the battery pack . . . . . . . . . . .
Remove the speaker . . . . . . . . . . . . .
Remove the type-c bracket . . . . . . . . . .
Remove the power board with cable. . . . . . .
Remove the system board. . . . . . . . . . .
Remove the thermal pad . . . . . . . . . . .
Remove the touch pad cable. . . . . . . . . .
21
Remove the upper case. . . . . . . . . . . .
22
Remove the strip cover . . . . . . . . . . . .
Remove the LCD panel . . . . . . . . . . . .
Remove the hinge rubber . . . . . . . . . . .
Remove the hinge . . . . . . . . . . . . . .
23
Remove the G-sensor . . . . . . . . . . . .
23
Remove the camera with cable . . . . . . . . .
24
Trademarks . . . . . . . . . . . . . . . . xlvii
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