Table Of Contents - Lenovo IdeaPad S540-14IML Hardware Maintenance Manual

Contents
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 . . . . . . . . . . . . . . .
Checking the ac power adapter
CRU list . . . . . . . . . . . . . . . . . .
Chapter 3. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 25
All FRUs (CRUs). . . . . . . . . . . . . . .
Miscellaneous parts . . . . . . . . . . . . .
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 33
General guidelines . . . . . . . . . . . . . .
© Copyright Lenovo 2019
21
. . . . . . . . 22
23
25
31
33
Remove the lower case . . . . . . . . . . . .
Remove the battery pack . . . . . . . . . . .
Remove the memory module
Remove the M.2 solid-state drive . . . . . . . .
Remove the Wi-Fi card . . . . . . . . . . . .
Remove the heat sink and fan assembly . . . . .
Remove the dc-in cable. . . . . . . . . . . .
Remove the speakers . . . . . . . . . . . .
Remove the fingerprint board . . . . . . . . .
Remove the touchpad assembly . . . . . . . .
Remove the I/O board . . . . . . . . . . . .
Remove the system board. . . . . . . . . . .
Remove the upper case(with keyboard) . . . . .
Disassemble the LCD module . . . . . . . . .
Remove the LCD panel . . . . . . . . . .
Remove the hinges and the LCD cable . . . .
Remove the camera and microphone board . .
Appendix A. Label locations. . . . . . 61
Trademarks . . . . . . . . . . . . . . . . lxiii
33
34
. . . . . . . . . 36
37
38
40
42
43
44
46
47
48
50
52
52
56
58
i