Legion Y540-17irh.pdf

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Hardware Maintenance Manual
Legion Y540-17 Series
First Edition (April 2019)
© Copyright Lenovo 2019.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.
Contents
About this documentation . . . . . . . . iii
Chapter 1. Safety information . . . . . . 1
General safety . . . . . . . . . . . . . .
Electrical safety . . . . . . . . . . . . . .
Safety inspection guide . . . . . . . . . . .
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . . . . .
Grounding requirements . . . . . . . . . .
Safety notices (multilingual translations) . . . .
. . 1
. . 1
. . 2
. . 3
. . 4
. . 4
Remove the service door . . . . . .
Remove the Solid State Drive (SSD) . .
Remove the Hard Disk Drive (HDD) . .
Remove the lower case . . . . . . .
Remove the battery pack . . . . . .
Remove the coin-cell battery. . . . .
Remove the memory modules . . . .
Remove the Wi-Fi card . . . . . . .
Remove the heat sink . . . . . . .
Remove the fans . . . . . . . . .
Remove the I/O board . . . . . . .
Remove the speakers . . . . . . .
Remove the keyboard transfer board .
Remove the system board. . . . . .
Remove the power button board . . .
Remove the upper case (with keyboard)
Disassemble the LCD module . . . .
Remove the LCD panel . . . . .
Remove the camera board . . . .
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Chapter 2. General checkout . . . . . 21
What to do first . . . . . . . . . . . . . . .
Checking the ac power adapter . . . . . . . .
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22
Chapter 3. Identifying FRUs
(CRUs) . . . . . . . . . . . . . . . . . 23
Locating FRUs and CRUs . . .
Major FRUs and CRUs . .
LCD FRUs and CRUs . . .
Miscellaneous parts . . .
Looking up the FRU information
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Appendix A. Features and
connectors . . . . . . . . . . . . . . . 59
Appendix B. Label locations . . . . . 61
Trademarks . . . . . . . . . . . . . . . . lxv
Chapter 4. Removing a FRU or
CRU . . . . . . . . . . . . . . . . . . 29
General guidelines . . . . . . . . . . . . . .
29
© Copyright Lenovo 2019
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Hardware Maintenance Manual
About this documentation
• Illustrations in this documentation might look different from your product.
• Depending on the model, some optional accessories, features, and software programs might not be
available on your computer.
• Depending on the version of operating systems, some user interface instructions might not be applicable
to your computer.
• Documentation content is subject to change without notice. Lenovo makes constant improvements on the
documentation of your computer, including this
Hardware Maintenance Manual.
To get the latest
documentation, go to
https://support.lenovo.com.
• This documentation applies to the following product models.
Model name
Legion Y540-17IRH
Legion Y540-17IRH-PG0
Machine type
81Q4
81T3
• This manual takes Legion Y540-17IRH as an example.
© Copyright Lenovo 2019
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