Table Of Contents - Lenovo IdeaPad 3 Chrome 14APO6 Hardware Maintenance Manual

Contents
About this manual . . . . . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 3
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 . . . . . . . . . . . . . . .
Power system checkout . . . . . . . . . . .
Checking the ac power adapter . . . . . . .
Checking the built-in battery and operational
charging . . . . . . . . . . . . . . . .
Chapter 3. Create and use a USB
repair shim . . . . . . . . . . . . . . . 25
What is a USB repair shim? . . . . . . . . . .
Create a USB repair shim . . . . . . . . . . .
Use the USB repair shim . . . . . . . . . . .
Chapter 4. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 27
Locating FRUs and CRUs . . . . . . . . . . .
Major FRUs and CRUs . . . . . . . . . .
LCD FRUs . . . . . . . . . . . . . . .
Miscellaneous parts . . . . . . . . . . .
Looking up FRU information . . . . . . . . . .
© Copyright Lenovo 2021
Chapter 5. Removing or replacing a
FRU. . . . . . . . . . . . . . . . . . . 33
General guidelines. . . . . . . . . . . . . .
Disabling the built-in battery . . . . . . . . . .
1010 Base cover assembly . . . . . . . . . .
1020 Built-in battery . . . . . . . . . . . . .
1030 Wireless LAN card . . . . . . . . . . .
1040 Speaker assembly . . . . . . . . . . .
1050 Left I/O board, I/O bracket and I/O cables . .
1060 Right I/O bracket . . . . . . . . . . . .
1070 Clickpad and clickpad cable
1080 Wireless LAN antenna . . . . . . . . . .
21
1090 LCD unit . . . . . . . . . . . . . . .
22
1110 System board . . . . . . . . . . . . .
22
1120 Heatsink . . . . . . . . . . . . . . .
1130 Keyboard assembly . . . . . . . . . . .
22
Disassemble the LCD module . . . . . . . . .
2010 LCD bezel . . . . . . . . . . . . .
2020 LCD panel . . . . . . . . . . . . .
25
2030 Camera privacy shutter and camera
board . . . . . . . . . . . . . . . . .
25
2040 LCD and camera cable . . . . . . . .
26
2050 LCD hinges . . . . . . . . . . . .
2060 LCD rear cover assembly . . . . . . .
Appendix A. Controls, connectors,
27
and indicators . . . . . . . . . . . . . 51
28
30
Appendix B. Notices. . . . . . . . . . 55
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