Table Of Contents - Lenovo 20V9003DIX 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 . . . . . . . . . . . . . . . . . . 33
Service tools . . . . . . . . . . . . . . . .
General guidelines . . . . . . . . . . . . . .
Removal procedure for ThinkBook 13s G2 ARE
and ThinkBook 14s G2 ARE . . . . . . . . . .
Remove the lower case . . . . . . . . . .
Remove the battery pack . . . . . . . . .
Remove the solid-state drive (SSD) . . . . .
Remove the heat sink. . . . . . . . . . .
Remove the fans . . . . . . . . . . . .
Remove the I/O bracket (right) . . . . . . .
Remove the I/O bracket (left) . . . . . . . .
© Copyright Lenovo 2020
. . . . . . . . . . .
Remove the I/O board . . . . . . . . . .
Remove the fingerprint board module . . . .
Remove the speakers. . . . . . . . . . .
Remove the touchpad with cable . . . . . .
Remove the system board and the I/O board
cable . . . . . . . . . . . . . . . . .
Remove the LCD unit . . . . . . . . . . .
Remove the upper case (with keyboard) . . .
Disassemble the LCD unit . . . . . . . . .
Removal procedure for ThinkBook 13s G2 ITL and
ThinkBook 14s G2 ITL . . . . . . . . . . . .
Remove the lower case . . . . . . . . . .
21
Remove the battery pack . . . . . . . . .
22
Remove the solid-state drive (SSD) module . .
Remove the heat sink. . . . . . . . . . .
Remove the fans
Remove the I/O bracket (right) . . . . . . .
23
Remove the I/O bracket (left) . . . . . . . .
Remove the I/O board . . . . . . . . . .
Remove the fingerprint board module . . . .
Remove the speakers. . . . . . . . . . .
33
Remove the touchpad with cable . . . . . .
33
Remove the system board and the I/O board
cable . . . . . . . . . . . . . . . . .
35
Remove the LCD unit . . . . . . . . . . .
35
Remove the upper case (with keyboard) . . .
36
Disassemble the LCD unit . . . . . . . . .
36
37
Appendix A. Label locations. . . . . . 85
38
Trademarks . . . . . . . . . . . . . . . lxxxvii
39
41
. . . . . . . . . . . .
42
43
44
45
47
48
50
50
58
58
59
59
60
61
63
64
65
66
67
68
69
71
72
72
i