Lenovo Legion Y540-15 Series, Hardware Maintenance Manual

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Contents
About this documentation . . . . . . . . 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
Checking the ac power adapter
. . . . . . . . 22
Chapter 3. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 23
Locating FRUs and CRUs . . . . . . . . . . . 23
Major FRUs and CRUs . . . . . . . . . . 24
LCD FRUs and CRUs . . . . . . . . . . . 26
Miscellaneous parts . . . . . . . . . . . 27
Looking up the FRU information . . . . . . . . 27
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 29
General guidelines. . . . . . . . . . . . . . 29
Remove the lower case . . . . . . . . . . . . 30
Remove the battery pack . . . . . . . . . . . 31
Remove the coin-cell battery. . . . . . . . . . 32
Remove the Solid State Drive (SSD) . . . . . . . 33
Remove the Hard Disk Drive (HDD) . . . . . . . 35
Remove the memory modules . . . . . . . . . 37
Remove the Wi-Fi card . . . . . . . . . . . . 38
Remove the heat sink . . . . . . . . . . . . 40
Remove the fans . . . . . . . . . . . . . . 40
Remove the I/O board . . . . . . . . . . . . 42
Remove the speakers . . . . . . . . . . . . 43
Remove the system board. . . . . . . . . . . 45
Remove the upper case (with keyboard) . . . . . 47
Disassemble the LCD module . . . . . . . . . 50
Remove the LCD panel . . . . . . . . . . 50
Remove the camera board . . . . . . . . . 52
Appendix A. Features and
connectors . . . . . . . . . . . . . . . 55
Appendix B. Label locations . . . . . 57
Trademarks . . . . . . . . . . . . . . . . . lxi
© Copyright Lenovo 2019
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