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Lenovo IdeaPad S540-14 Series Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo IdeaPad S540-14

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  Summary of Contents for Lenovo IdeaPad S540-14 Series

  • Page 1 Hardware Maintenance Manual Lenovo IdeaPad S540-14...
  • Page 3 Hardware Maintenance Manual Lenovo IdeaPad S540-14...
  • Page 4 First Edition (February 2019) © Copyright Lenovo 2019.
  • Page 5: Table Of Contents

    Remove the dc-in cable... . Lenovo IdeaPad S540-14 Series CRU list ..Remove the system board...
  • 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

    • LCD panel cracked from the application of excessive force or from being dropped • 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 © Copyright Lenovo 2019...
  • Page 28: Checking The Ac Power Adapter

    • Damage caused by liquid spilled into the system • 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 •...
  • Page 29: Lenovo Ideapad S540-14 Series Cru List

    Lenovo IdeaPad S540-14 Series CRU list Model: Lenovo IdeaPad S540-14IWL, Lenovo IdeaPad S540-14API, Lenovo IdeaPad S540-14IWL Touch MT: 81ND, 81NH, 81QX Type ac power adapter self-service power cord self-service Chapter 2 General checkout...
  • Page 30 Hardware Maintenance Manual...
  • Page 31: Chapter 3. Identifying Frus (Crus)

    Chapter 3. Identifying FRUs (CRUs) All FRUs (CRUs) The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer’s computer. © Copyright Lenovo 2019...
  • Page 32 Figure 1. Exploded view Hardware Maintenance Manual...
  • Page 33 Table 1. FRU (CRU) categories FRU (CRU) category Self-service CRU Optional-service CRU LCD module Upper case (with keyboard) dc-in cable System board I/O board Heat sink and fan assembly M.2 solid-state drive Memory module Memory module shield Wi-Fi card Wi-Fi card sponge Touchpad Fingerprint board Fingerprint bracket...
  • Page 34 Figure 2. LCD module exploded view Table 2. FRU categories for the LCD module FRU (CRU) category Self-service CRU Optional-service CRU Strip cover Hardware Maintenance Manual...
  • Page 35: Miscellaneous Parts

    Table 2. FRU categories for the LCD module (continued) LCD bezel Hinges LCD panel LCD cable Camera cable Camera board Microphone board LCD base cover Miscellaneous parts Table 3. Miscellaneous parts FRU descriptions Self-service CRU Optional-service CRU Screw pack Tape Rubber Thermalpad Chapter 3...
  • Page 36 Hardware Maintenance Manual...
  • Page 37: Chapter 4. Removing A Fru Or Cru

    5. To install a new FRU in place, perform the removal procedure in reverse and follow any notes that pertain to replacement. 6. When replacing a FRU, carefully retain and reuse all screws. If screws are missing, look up the Lenovo parts numbers by visiting https://support.lenovo.com/partslookup...
  • Page 38: Remove The Battery Pack

    Figure 3. Remove 10 screws Screw specifications Number of screws M2.0 x 5.5 Step 3. Remove the lower case. Figure 4. Remove the lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 31 Step 1.
  • Page 39 Figure 5. Disconnect the cable Step 2. Remove 4 screws. Figure 6. Remove 4 screws Screw specifications Number of screws M2.0 x 3 Step 3. Take out the battery pack. Chapter 4 Removing a FRU or CRU...
  • Page 40: Remove The Wi-Fi Card

    Figure 7. Take out the battery pack Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 31 “Remove the battery pack” on page 32 Step 1. Disconnect the cable of the I/O board as shown. Figure 8.
  • Page 41 Figure 9. Remove the Wi-Fi card sponge Step 3. Disconnect the main and auxiliary antenna cables. Figure 10. Disconnect antenna cables Step 4. Remove 1 screw. Chapter 4 Removing a FRU or CRU...
  • Page 42: Remove The Heat Sink And Fan Assembly

    Figure 11. Remove 1 screw Screw specifications Number of screws M2.0 x 3 Step 5. Remove the Wi-Fi card by pulling it away from the slot. Figure 12. Remove the Wi-Fi card Remove the heat sink and fan assembly Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case”...
  • Page 43 Figure 13. Disconnect 2 cables Step 2. Remove 10 screws. Figure 14. Remove 10 screws Screw specifications Number of screws M2.0 x 3 Step 3. Remove the heat sink and fan assembly. Chapter 4 Removing a FRU or CRU...
  • Page 44: Remove The Memory Module

    Figure 15. Remove the heat sink and fan assembly Remove the memory module Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 31 “Remove the battery pack” on page 32 Step 1. Remove the memory module shield. Figure 16.
  • Page 45: Remove The M.2 Solid-State Drive

    Figure 17. Remove the memory module Remove the M.2 solid-state drive Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 31 “Remove the battery pack” on page 32 Step 1. Remove 1 screw. Figure 18.
  • Page 46: Remove The Speakers

    Figure 19. Remove the solid-state drive Remove the speakers Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 31 “Remove the battery pack” on page 32 “Remove the M.2 solid-state drive” on page 39 Step 1.
  • Page 47: Remove The Fingerprint Board

    Figure 21. Remove speakers Remove the fingerprint board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 31 “Remove the battery pack” on page 32 Step 1. Disconnect the cable from the system board as shown. Figure 22.
  • Page 48: Remove The Touchpad Assembly

    Figure 23. Remove 1 screw Screw specifications Number of screws M2.0 x 3 Step 3. Remove the fingerprint board and its bracket. Figure 24. Remove the fingerprint board and its bracket Remove the touchpad assembly Make sure the following FRUs (or CRUs) have been removed. Also make sure the cables connecting the touch pad assembly to the system board have been disconnected.
  • Page 49 Figure 25. Disconnect the cable Step 2. Remove 4 screws. Figure 26. Remove 4 screws Number of screws Screw specifications M2.0 x 3 Step 3. Remove the touchpad assembly. Figure 27. Remove touchpad assembly Chapter 4 Removing a FRU or CRU...
  • Page 50: Remove The Lcd Module

    Remove the LCD module Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 31 “Remove the battery pack” on page 32 Step 1. Disconnect the LCD cable. Figure 28. Disconnect the LCD cable Step 2. Remove the 4 screws that secure the hinges to the upper case.
  • Page 51: Remove The I/O Board

    Figure 30. Open the hinges Step 4. Remove the LCD module from the upper case in the direction shown. Figure 31. Remove the LCD module CAUTION: Do not pull up the upper case before disconnecting the LCD cable. Otherwise the cable may be damaged.
  • Page 52 Figure 32. Disconnect the cable Step 2. Remove 1 screw. Figure 33. Remove 1 screw Number of screws Screw specifications M2.0 x 3 Step 3. Remove the I/O board. Hardware Maintenance Manual...
  • Page 53: Remove The Dc-In Cable

    Figure 34. Remove the I/O board Remove the dc-in cable Make sure the following FRUs (CRUs) have been removed: “Remove the lower case” on page 31 “Remove the battery pack” on page 32 Step 1. Remove 2 screws, then open the hinge and disconnect the cable. Figure 35.
  • Page 54: Remove The System Board

    Figure 36. Use a prying tool to detach the dc-in cable from the upper case Step 3. Remove the dc-in cable. Figure 37. Remove the dc-in cable Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case”...
  • Page 55 Figure 38. Disconnect the cable Step 2. Remove 3 screws. Figure 39. Remove 3 screws Screw specifications Number of screws M2.0 x 3 Step 3. Remove the system board. Chapter 4 Removing a FRU or CRU...
  • Page 56: Disassemble The Lcd Module

    Figure 40. Remove the system board 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 base cover. Remove the LCD bezel and hinges Make sure the following FRUs (or CRUs) have been removed.
  • Page 57 Figure 42. Pull the inner sides of the LCD bezel Attention: Do not pull the LCD bezel from the outer sides of the LCD bezel, otherwise the hooks may be damaged. The lower side of the LCD bezel is fixed to the LCD panel with adhesive tape. Detach with care.
  • Page 58: Remove The Lcd Panel And Lcd Cable

    Step 5. Remove the LCD bezel. Remove the LCD panel and LCD cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 31 “Remove the battery pack” on page 32 “Remove the LCD module” on page 44 “Remove the LCD bezel and hinges”...
  • Page 59: Remove The Camera And Microphone Board

    Figure 46. Remove the LCD panel Step 3. Check the back side of the LCD panel for the LCD connector and then disconnect the LCD cable Figure 47. Disconnect 2 cables Step 4. Remove the LCD cable. Figure 48. Remove the LCD cable Remove the camera and microphone board Make sure the following FRUs (or CRUs) have been removed.
  • Page 60 “Remove the lower case” on page 31 “Remove the battery pack” on page 32 “Remove the LCD module” on page 44 “Remove the LCD bezel and hinges” on page 50 “Remove the LCD panel and LCD cable” on page 52 Step 1.
  • Page 61 Figure 51. Remove the microphone board Chapter 4 Removing a FRU or CRU...
  • Page 62 Hardware Maintenance Manual...
  • Page 63: Appendix A. Label Locations

    68 mm x 8 mm Indonesia rating label Indonesia 26 mm x 10 mm Adapter label 65 mm x 20 mm Brazil lable Brazil 35 mm x 15 mm Israel/US/CA/TW label Israel/US/CA/Taiwan 32 mm x 10 mm © Copyright Lenovo 2019...
  • Page 64 Table 4. All base cover labels (continued) INDIA BIS LABEL INDIA 30 mm x 22 mm Korea KCC label Korea 50 mm x 43 mm TW vision warning label Taiwan 70 mm x 10 mm 20 mm x 10 mm South Africa label South Africa 15 mm x 10 mm...
  • Page 65: Trademarks

    Trademarks Lenovo, the “lenovo” logo and Ideapad are trademarks of Lenovo in the United States, other countries or both: Other company, product, or service names may be trademarks or service marks of others.

This manual is also suitable for:

Ideapad s540-14iwlIdeapad s540-14apiIdeapad s540-14iwl touchLegion y740 seriesLegion y740-15ichLegion y740-15ichg ... Show all