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Hardware Maintenance Manual
Legion Y540-17 Series

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Summary of Contents for Lenovo Y540-17 Series

  • Page 1 Hardware Maintenance Manual Legion Y540-17 Series...
  • Page 2 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-...
  • Page 3: Table Of Contents

    CRU ....29 Trademarks ....lxv General guidelines ....© Copyright Lenovo 2019...
  • Page 4 Hardware Maintenance Manual...
  • Page 5: About This Documentation

    • 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...
  • Page 6 Hardware Maintenance Manual...
  • Page 7: Chapter 1. Safety Information

    • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. • Disconnect all power before: – Performing a mechanical inspection – Working near power supplies © Copyright Lenovo 2019...
  • Page 8: Safety Inspection Guide

    This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.
  • Page 9: Handling Devices That Are Sensitive To Electrostatic Discharge

    4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
  • Page 10: Grounding Requirements

    Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. Safety notices (multilingual translations) The safety notices in this section are provided in the following languages: •...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Hardware Maintenance Manual...
  • Page 27: Chapter 2. General Checkout

    • Scratched (cosmetic) parts • Distortion, deformation, or discoloration of the cosmetic parts • Plastic parts, latches, pins, or connectors that have been cracked or broken by excessive force • Damage caused by liquid spilled into the system © Copyright Lenovo 2019...
  • Page 28: Checking The Ac Power Adapter

    • Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card • Improper disc insertion or use of an external optical drive • Fuses blown by attachment of a non-supported device •...
  • Page 29: Chapter 3. Identifying Frus (Crus)

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at .
  • Page 30: Major Frus And Crus

    Major FRUs and CRUs Figure 1. Exploded view Hardware Maintenance Manual...
  • Page 31 Note: Depending on the computer model, your computer might look different from the illustration above. Table 1. Major FRUs and CRUs FRU description Optional-service CRU Self-service CRU LCD module Strip cover Key-lock bracket Upper case (with keyboard) Speakers Wi-Fi card System board SSD bracket Memory modules...
  • Page 32: Lcd Frus And Crus

    LCD FRUs and CRUs Figure 2. LCD module – exploded view Hardware Maintenance Manual...
  • Page 33: Miscellaneous Parts

    • Screw M2.5 x 4.3, silver (8) • Screw M3.0 x 3.0, silver (4) Battery gasket Camera rubber Thermal pad Looking up the FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Chapter 3 Identifying FRUs (CRUs)
  • Page 34 Hardware Maintenance Manual...
  • Page 35: Chapter 4. Removing A Fru Or Cru

    6. If screws are missing, look up details in “Miscellaneous parts” on page 27 for replacement screws and order them through the Lenovo CRM system. 7. When replacing the base cover, reapply all labels that come with the replacement base cover. If some original labels are not included with the replacement base cover, peal them off from the original base cover and paste them on the replacement base cover.
  • Page 36: Remove The Service Door

    Remove the service door Make sure the computer has been turned off before servicing the computer. Step 1. Place the computer upside down on a flat surface. Remove the 2 screws. Figure 3. Remove the 2 screws Screw specifications Number of screws M2.0 x 8.0 Step 2.
  • Page 37 • The SSD has two options: 2280 and 2242. Some steps to remove them are slightly different. Step 1. Detach the battery cable connector. Figure 5. Detach the battery cable connector Step 2. Remove the screws. Figure 6. Remove 1 screw (for 2280) Figure 7.
  • Page 38: Remove The Hard Disk Drive (Hdd)

    Screw specifications Number of screws M2.0 x 4.0 Step 3. Remove the SSD bracket. Note: Only the 2242 SSD includes the bracket. Figure 8. Remove the SSD bracket Step 4. Remove the SSD by pulling it away from the slot. Figure 9.
  • Page 39 Figure 10. Detach the 2 connectors Step 2. Remove the 4 screws. Figure 11. Remove the 4 screws Screw specifications Number of screws M2.0 x 4.0 Step 3. Remove the HDD assembly. Chapter 4 Removing a FRU or CRU...
  • Page 40 Figure 12. Remove the HDD assembly Step 4. Remove the HDD cable . Then, remove the 4 screws to release the metal frame Figure 13. Remove the HDD cable and the 4 screws Screw specifications Number of screws M3.0 x 3.0 Step 5.
  • Page 41: Remove The Lower Case

    Figure 14. Separate HDD from its bracket Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement parts: HDD cable HDD bracket Remove the lower case Make sure the following FRU (or CRU) has been removed. “Remove the service door”...
  • Page 42: Remove The Battery Pack

    Screw specifications Number of screws M2.0 x 8.0 Step 2. Insert a pry tool to separate the lower case from upper case. Figure 16. Separate the lower case from upper case Step 3. Remove the lower case. Figure 17. Remove the lower case Refer to “Major FRUs and CRUs”...
  • Page 43 Step 1. Detach the battery pack connector from the system board. Attention: Use your fingernails to unplug the battery pack connector. Do not pull the cable with force. Figure 18. Detach the battery pack connector Step 2. Remove the 2 screws. Figure 19.
  • Page 44: Remove The Coin-Cell Battery

    Figure 20. Remove the battery pack Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: Battery pack Remove the coin-cell battery Make sure the following FRUs (or CRUs) have been removed. “Remove the service door”...
  • Page 45: Remove The Memory Modules

    Figure 22. Remove the coin-cell battery Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: Coin-cell battery Remove the memory modules Make sure the following FRUs (or CRUs) have been removed. “Remove the service door”...
  • Page 46: Remove The Wi-Fi Card

    Figure 24. Remove the memory modules Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: Memory modules Memory module shielding Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the service door”...
  • Page 47: Remove The Heat Sink

    Figure 26. Remove 1 screw Screw specifications Number of screws M2.0 x 4.0 Step 3. Remove the Wi-Fi card by pulling it away from the slot. Figure 27. Remove the Wi-Fi card Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: Wi-Fi card Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.
  • Page 48: Remove The Fans

    Figure 28. Loosen the 7 screws Step 2. Remove the heat sink. Figure 29. Remove the heat sink Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed.
  • Page 49 Figure 30. Detach the 2 fan connectors Step 2. Remove the 5 screws. Figure 31. Remove the 5 screws Screw specifications Number of screws M2.0 x 5.0 Step 3. Remove the 2 fans. Chapter 4 Removing a FRU or CRU...
  • Page 50: Remove The I/O Board

    Figure 32. Remove the 2 fans Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement parts: Fans Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the service door” on page 30 “Remove the Solid State Drive (SSD)”...
  • Page 51: Remove The Speakers

    Figure 33. Detach the I/O board connector Step 2. Remove the I/O board as shown. Figure 34. Remove the I/O board Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: I/O board Remove the speakers Make sure the following FRUs (CRUs) have been removed.
  • Page 52 “Remove the lower case” on page 35 “Remove the battery pack” on page 36 Step 1. Detach the 2 connectors. Figure 35. Detach the 2 connectors Step 2. Peel off the aluminum foil . Then, detach the speaker connector from the system board Figure 36.
  • Page 53: Remove The Keyboard Transfer Board

    Figure 37. Remove the speakers Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement parts: Speakers Remove the keyboard transfer board Make sure the following FRUs (or CRUs) have been removed. “Remove the service door” on page 30 “Remove the Solid State Drive (SSD)”...
  • Page 54: Remove The System Board

    Figure 39. Remove the keyboard transfer board Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: Keyboard transfer board Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the service door”...
  • Page 55 Figure 40. Detach the 6 connectors Step 2. Remove the 7 screws that secure the system board to the upper case. Figure 41. Remove the 7 screws Screw specifications Number of screws M2.0 x 5.0 M2.0 x 3.5 Step 3. Remove the key-lock bracket and the DC-in bracket Chapter 4...
  • Page 56 Figure 42. Remove the key-lock bracket and the DC-in bracket 11 12 Step 4. Lift the system board . Then, detach the I/O board connector and the keyboard backlight connector 13 14 from the system board Figure 43. Remove the system board Step 5.
  • Page 57: Remove The Power Button Board

    Remove the power button board Make sure the following FRUs (or CRUs) have been removed. “Remove the service door” on page 30 “Remove the Solid State Drive (SSD)” on page 30 “Remove the Hard Disk Drive (HDD)” on page 32 “Remove the lower case”...
  • Page 58: Remove The Upper Case (With Keyboard)

    Figure 45. Remove 1 screw Screw specifications Number of screws M2.0 x 2.0 Step 3. Remove the touchpad board. Figure 46. Remove the touchpad board Refer to “Major FRUs and CRUs” on page 24 to look up details about the following replacement part: Touchpad board Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.
  • Page 59 “Remove the memory modules” on page 39 “Remove the Wi-Fi card” on page 40 “Remove the heat sink” on page 41 “Remove the fans” on page 42 “Remove the I/O board” on page 44 “Remove the speakers” on page 45 “Remove the keyboard transfer board”...
  • Page 60 Screw specifications Number of screws M2.5 x 7.0 Step 3. Turn over the computer. Then, remove the 6 screws that secure the hinges to the upper case. Figure 49. Remove the 6 screws Number of screws Screw specifications M2.0 x 7.0 M2.5 x 7.0 Step 4.
  • Page 61: Disassemble The Lcd Module

    Disassemble the LCD module The LCD module as a whole is not a FRU. Instead, it contains FRUs as its components. Before disassembling the LCD module, make sure it has been detached from the upper case. Refer to “Remove the upper case (with keyboard)”...
  • Page 62: Remove The Camera Board

    Figure 52. Remove the removable tapes Step 3. Lift the LCD panel . Then, detach the EDP cable connector Figure 53. Detach EDP cable connector Step 4. Carefully remove the LCD panel. Refer to “LCD FRUs and CRUs” on page 26 to look up details about the following replacement parts: LCD bezel Removable tapes LCD panel...
  • Page 63 “Remove the battery pack” on page 36 “Remove the upper case (with keyboard)” on page 52 “Remove the LCD panel” on page 55 Step 1. Detach the camera connector. Figure 54. Detach the camera connector Step 2. Remove the camera board. CAUTION: The camera board is fragile and easily bent.
  • Page 64 Hardware Maintenance Manual...
  • Page 65: Appendix A. Features And Connectors

    Always On USB 3.1 connector Gen 1 Audio connector USB-C™ connector Mini DisplayPort® connector USB 3.1 connector Gen 1 HDMI™ connector Ethernet connector Power connector Mini security-lock slot Privacy shutter Camera Microphones Power button Touchpad Power indicator © Copyright Lenovo 2019...
  • Page 66 Table 4. Features and connectors (continued) Novo button USB 3.1 connector Gen 1 Hardware Maintenance Manual...
  • Page 67: Appendix B. Label Locations

    Table 5. All base cover labels Applied country/region Label description Label Label name Label dimensions XXXXXXXXXX P.R.China SL10U41183 Rating label India 66 mm x 24 mm XXXXXXXXX Worldwide SL10T44891 Rating print label 144503242 43 mm x 24 mm © Copyright Lenovo 2019...
  • Page 68 Table 5. All base cover labels (continued) Applied country/region Label description Label Label name Label dimensions HG151000W00 OS label HG151000WA0 16 mm x 22.5 mm SL10F25771 HG0ZF000X00 SL10L20433 Adapter label Argentina 65 mm x 20 mm HG0ZF000W00 SL10L20428 HG0ZG000300 SL10K92312 HG0ZG000200 SL10K92311 HG17L000200...
  • Page 69 Table 5. All base cover labels (continued) Applied country/region Label description Label Label name Label dimensions HG0ZF000800 SL10J77988 HG0ZH000400 SL10L07863 HG17L000100 Taiwan SL10R02817 HG15M000100 SL10P20862 HG173000500 SL10P38276 HG0ZF000B00 SL10J77992 HG0ZH000200 SL10K32758 Israel HG17300090 SL10P38279 HG15M000500 SL10P20861 HG0ZF000900 SL10J77998 HG10B000400 SL10K32762 HG17L000300 South Africa SL10R02811...
  • Page 70 Table 5. All base cover labels (continued) Applied country/region Label description Label Label name Label dimensions HG12M000100 Taiwan label 70 mm x 10 mm SL10N69882 Argentina label 68 mm x 6 mm HG0T1000O00 Indonesia label 32 mm x 10 mm 144503356 HG17L000C00 22 mm x 30 mm...
  • Page 71: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. Wi-Fi is registered trademark of Wi-Fi Alliance. USB-C is a trademark of USB Implementers Forum. All other trademarks are the property of their respective owners. Mini DisplayPort (mDP) is a trademark of the Video Electronics Standards Association. The terms HDMI and HDMI High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.

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