Table Of Contents - Lenovo 100w Gen 4 Hardware Maintenance Manual

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Contents
About this manual . . . . . . . . . . . . iii
General safety . . . . . . . . . . . . . . . . 1
Electrical safety . . . . . . . . . . . . . . . . 1
Safety inspection guide . . . . . . . . . . . . . 3
discharge . . . . . . . . . . . . . . . . . . 3
Grounding requirements . . . . . . . . . . . . 4
What to do first . . . . . . . . . . . . . . .
Chapter 3. Locations . . . . . . . . . 23
Front . . . . . . . . . . . . . . . . .
Side . . . . . . . . . . . . . . . . .
Base . . . . . . . . . . . . . . . . .
Bottom . . . . . . . . . . . . . . . .
Locating FRUs and CRUs . . . . . . . . . . .
Major FRUs and CRUs . . . . . . . . . .
LCD FRUs and CRUs . . . . . . . . . . .
Miscellaneous parts . . . . . . . . . . .
Looking up FRU information . . . . . . . . . .
notices . . . . . . . . . . . . . . . . . 45
Service tool kit . . . . . . . . . . . . . . .
Screw notices . . . . . . . . . . . . . . .
FRU. . . . . . . . . . . . . . . . . . . 47
General guidelines . . . . . . . . . . . . . .
Gen 4). . . . . . . . . . . . . . . . .
Yoga Gen 4) . . . . . . . . . . . . . .
1010 Keyboard . . . . . . . . . . . . . . .
1020 Base cover assembly . . . . . . . . . .
© Copyright Lenovo 2023
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1060 Coin-cell battery . . . . . . . . . . . .
1070 Daughter board cable . . . . . . . . . .
1080 Daughter board bracket . . . . . . . . .
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1110 Built-in battery . . . . . . . . . . . . .
1120 USB-C bracket . . . . . . . . . . . . .
1140 Speaker assembly . . . . . . . . . . .
1150 Trackpad cable. . . . . . . . . . . . .
500w Yoga Gen 4) . . . . . . . . . . . . . .
1180 System board . . . . . . . . . . . . .
1190 Heatsink . . . . . . . . . . . . . . .
1220 LCD unit . . . . . . . . . . . . . . .
4) . . . . . . . . . . . . . . . . . . . .
2010 LCD bezel . . . . . . . . . . . . .
2020 LCD panel . . . . . . . . . . . . .
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2040 LCD hinges . . . . . . . . . . . .
2050 LCD cable . . . . . . . . . . . . .
and-microphone board . . . . . . . . . .
LCD cover assembly . . . . . . . . . . .
2020 Hinge rubber . . . . . . . . . . . .
2030 LCD panel . . . . . . . . . . . . .
2040 LCD hinges . . . . . . . . . . . .
2050 LCD cable . . . . . . . . . . . . .
sensor board . . . . . . . . . . . . . .
and LCD cover assembly . . . . . . . . .
Appendix A. Notices . . . . . . . . . . 89
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