Lenovo Legion S7 16ARHA7, Hardware Maintenance Manual

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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 . . . . . . . . . . . . . . . 21
CRU list . . . . . . . . . . . . . . . . . . 22
Chapter 3. Idetifying FRUs (CRUs) . . 23
Locate FRUs and CRUs . . . . . . . . . . . 23
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 27
Service tools . . . . . . . . . . . . . . . . 27
General guidelines . . . . . . . . . . . . . . 27
Remove the lower case . . . . . . . . . . . . 28
Remove the 71Wh battery pack and battery frame
(for selected models) . . . . . . . . . . . . . 29
Remove the 99.99 Wh battery pack (for selected
models) . . . . . . . . . . . . . . . . . . 31
Remove the Wi-Fi card . . . . . . . . . . . . 32
Remove the heat sink . . . . . . . . . . . . 34
Remove the fans . . . . . . . . . . . . . . 35
Remove the solid-state drive. . . . . . . . . . 37
Remove the memory shield and memory
module . . . . . . . . . . . . . . . . . . 39
Remove the DC-in bracket . . . . . . . . . . 40
Remove the USB board bracket . . . . . . . . 42
Remove the speakers . . . . . . . . . . . . 43
Remove the coin-cell battery. . . . . . . . . . 44
Remove the touch pad cable. . . . . . . . . . 45
Remove the USB board. . . . . . . . . . . . 46
Remove the hall sensor board and cable . . . . . 47
Remove the system board. . . . . . . . . . . 48
Use a Golden Key U1 tool to flash-write key id
information . . . . . . . . . . . . . . . 51
Remove the hinge cover and antenna assembly . . 51
Remove the strip cover . . . . . . . . . . . . 53
Remove the fingerprint reader with cable . . . . . 54
Remove the upper case (with keyboard) . . . . . 55
Remove the LCD bezel . . . . . . . . . . . . 56
Remove the LCD panel . . . . . . . . . . . . 57
Remove the camera board and microphone
rubbers . . . . . . . . . . . . . . . . . . 59
Appendix A. Label location . . . . . . 61
Trademarks . . . . . . . . . . . . . . . . lxiii
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