Table Of Contents - Lenovo CAMPUS LEGION SLIM 7-15ACH 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 . . . . . . . . . . . . . . . . . . 29
Service tools . . . . . . . . . . . . . . . .
General guidelines . . . . . . . . . . . . . .
Remove the lower case . . . . . . . . . . . .
Remove the solid-state drive (SSD) module . . . .
Remove the battery pack . . . . . . . . . . .
Remove the Wi-Fi card . . . . . . . . . . . .
Remove the solid-state drive (SSD) mylar . . . . .
Remove the DC-in bracket . . . . . . . . . .
Remove the memory module mylar . . . . . . .
Remove the memory module
© Copyright Lenovo 2021
. . . . . . . . . . .
. . . . . . . . .
Remove the heat sink . . . . . . . . . . . .
Remove the fans . . . . . . . . . . . . . .
Remove the solid-state drive (SSD) bracket . . . .
Remove the USB board module . . . . . . . .
Remove the CMOS battery . . . . . . . . . .
Remove the speakers . . . . . . . . . . . .
Remove the touchpad cable . . . . . . . . . .
Remove the system board. . . . . . . . . . .
Use a Golden Key U1 tool to flash-write key id
information . . . . . . . . . . . . . . .
Remove the fingerprint board cable . . . . . . .
Remove the fingerprint board and Cu Foil mylar . .
21
Remove the strip cover . . . . . . . . . . . .
22
Remove the LCD module . . . . . . . . . . .
Remove the upper case (with keyboard and
touchpad) . . . . . . . . . . . . . . . . .
Disassemble the LCD module . . . . . . . . .
23
Remove the LCD bezel . . . . . . . . . .
Remove the hinge cover. . . . . . . . . .
Remove the LCD panel . . . . . . . . . .
Remove the camera privacy shutter . . . . .
29
Remove the camera module . . . . . . . .
29
Remove the microphone rubbers . . . . . .
30
Remove the microphone board and the EDP
31
cable . . . . . . . . . . . . . . . . .
33
Remove the LCD cover . . . . . . . . . .
33
34
Appendix A. Label locations. . . . . . 57
35
Trademarks . . . . . . . . . . . . . . . . . lix
35
36
37
38
38
39
41
41
42
43
44
44
45
46
47
49
50
50
50
51
52
53
54
54
55
i