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Lenovo S14 Gen 3 Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo S14 Gen 3 and Lenovo S15 Gen 3

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Summary of Contents for Lenovo S14 Gen 3

  • Page 1 Hardware Maintenance Manual Lenovo S14 Gen 3 and Lenovo S15 Gen 3...
  • Page 2 First Edition (April 2021) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Chapter 2. General checkout ..21 Lenovo S15 G3 ABA ... . . What to do first ....
  • Page 4 Hardware Maintenance Manual...

  • Page 5: About This Manual

    Important: • This manual is intended only for trained service technicians who are familiar with Lenovo products. • Before servicing a Lenovo product, be sure to read all the information under Chapter 1 “Safety information” on page 1. © Copyright Lenovo 2022...
  • 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 2022...

  • 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 2022...

  • Page 28: Cru List

    • 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)

    Chapter 3. Identifying FRUs (CRUs) Locate FRUs and 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 2022...
  • Page 30 Figure 1. Lenovo S14 Gen 3 exploded view Hardware Maintenance Manual...
  • Page 31 Table 2. FRU (CRU) categories FRU (CRU) category LCD unit Note: The LCD unit as a whole is not an FRU. It contains FRUs as its components. Upper case I/O board I/O board cable Fingerprint board cable Fingerprint board Wi-Fi card Memory module Memory absorber Memory module shielding...
  • Page 32 Figure 2. Lenovo S14 Gen 3 LCD unit - exploded view Table 3. FRU categories for the LCD unit FRU (CRU) category LCD bezel Hardware Maintenance Manual...
  • Page 33 Table 3. FRU categories for the LCD unit (continued) LCD panel EDP cable Removable tape Hinges Microphone rubbers Camera LCD cover Chapter 3 Identifying FRUs (CRUs)
  • Page 34 Figure 3. Lenovo S15 Gen 3 exploded view Table 4. FRU (CRU) categories FRU (CRU) category LCD unit Note: The LCD unit as a whole is not an FRU. It contains FRUs as its components. Upper case Hardware Maintenance Manual...
  • Page 35 Table 4. FRU (CRU) categories (continued) I/O board I/O board cable Memory module Memory absorber Memory module shielding Fingerprint board mylar Fingerprint board Fingerprint board cable Heat sink Solid-state drive (SSD) Solid-state drive (SSD) thermal pad Solid-state drive (SSD) bracket Note: The SSD bracket is used to lock the screw for the 2242 SSD.
  • Page 36 Figure 4. Lenovo S15 Gen 2 LCD unit — exploded view Hardware Maintenance Manual...
  • Page 37 Table 5. FRU categories for the LCD unit FRU (CRU) category LCD bezel LCD panel Removable tape Hinges Microphone rubbers Camera Camera privacy shutter LCD cover EDP cable Chapter 3 Identifying FRUs (CRUs)
  • Page 38 Hardware Maintenance Manual...

  • Page 39: Chapter 4. Removing A Fru Or Cru

    Chapter 4. Removing a FRU or CRU Service tools The following table lists tools for servicing Lenovo computers. Tools with a cross mark are needed for serving the product models as described by this publication. Prepare them before you service the product.

  • Page 40: Removal Procedure For Lenovo S14 G3 Iap And Lenovo S14 G3 Aba

    Attention: The system board is sensitive to and can be damaged by ESD. Before touching it, establish personal grounding by touching a ground point with one hand or by using an ESD strap (P/N 6405959). Removal procedure for Lenovo S14 G3 IAP and Lenovo S14 G3 ABA Remove the lower case Make sure the computer has been shut down before servicing the computer.

  • Page 41: Remove The Battery Pack

    Step 3. Pry up the latches and then remove the lower case. Figure 6. Pry up the latches and remove the lower case Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed.

  • Page 42: Remove The Solid-State Drive (Ssd) Module

    Screw specifications Number of screws M2 x L5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Battery pack Remove the solid-state drive (SSD) module Make sure the following FRU (or CRU) has been removed.

  • Page 43: Remove The Wi-Fi Card

    Remove the SSD by pulling it away from the slot. Figure 11. Remove the SSD by pulling it away from the slot Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Solid-state drive (SSD)

  • Page 44: Remove The Cmos Battery

    Figure 12. Remove the Wi-Fi card Screw specifications Number of screws M2 x L2.8 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the CMOS battery Make sure the following FRU (or CRU) has been removed.

  • Page 45: Remove The Memory Module

    Figure 14. Remove the CMOS battery (for Lenovo S14 G3 ABA) Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: CMOS battery Remove the memory module Make sure the following FRU (or CRU) has been removed.
  • Page 46 Figure 16. Remove the memory module (for Lenovo S14 G3 IAP) Figure 17. Remove the memory module (for Lenovo S14 G3 ABA) Step 4. Remove the memory absorber. Figure 18. Remove the memory absorber (for Lenovo S14 G3 IAP) Hardware Maintenance Manual...

  • Page 47: Remove The Heat Sink (For Lenovo S14 G3 Iap)

    Figure 19. Remove the memory absorber (for Lenovo S14 G3 ABA) Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Memory module Memory module shielding Memory absorber Remove the heat sink (for Lenovo S14 G3 IAP) Make sure the following FRU (or CRU) has been removed.

  • Page 48: Remove The Heat Sink (For Lenovo S14 G3 Aba)

    Step 2. Loosen four screws and then remove the heat sink. Figure 21. Loosen four screws and then remove the heat sink Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the fan Make sure the following FRU (or CRU) has been removed.

  • Page 49: Remove The I/O Board Module

    Figure 22. Remove the fan Screw specifications Number of screws M2 x L5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Remove the I/O board module Make sure the following FRU (or CRU) has been removed.

  • Page 50: Remove The Fingerprint Board Module

    Step 3. Separate the I/O board cable from the I/O board. Figure 24. Separate the I/O board cable from the I/O board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: I/O board I/O board cable Remove the fingerprint board module Make sure the following FRUs (or CRUs) have been removed.
  • Page 51 Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable. Step 2. Disconnect the fingerprint board cable from the system board then remove the fingerprint board with cable. Figure 25. Remove the fingerprint board with cable Step 3.

  • Page 52: Remove The System Board And The Touchpad Board Cable

    “Remove the CMOS battery” on page 38 “Remove the memory module” on page 39 “Remove the heat sink (for Lenovo S14 G3 IAP)” on page 41 “Remove the heat sink (for Lenovo S14 G3 ABA)” on page 42 “Remove the fan” on page 42 Step 1.
  • Page 53 Figure 28. Remove two screws and then open the hinge Screw specifications Number of screws M2.5 x L5 Step 2. Disconnect the touchpad board cable from the touchpad board and disconnect the cables connected to the system board. Figure 29. Disconnect cables connected to the system board Step 3.
  • Page 54 Step 4. Disconnect the touchpad board cable from the system board. Figure 31. Disconnect the touchpad board cable from the system board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board Touchpad board cable...

  • Page 55: Remove The Lcd Unit

    Remove the LCD unit Make sure the following FRUs (CRUs) has been removed. “Remove the lower case” on page 34 Step 1. Disconnect the battery pack cable from the system board. Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable. Step 2.

  • Page 56: Remove The Upper Case

    “Remove the CMOS battery” on page 38 “Remove the memory module” on page 39 “Remove the heat sink (for Lenovo S14 G3 IAP)” on page 41 “Remove the heat sink (for Lenovo S14 G3 ABA)” on page 42 “Remove the fan” on page 42 “Remove the I/O board module”...
  • Page 57 Figure 35. Remove six screws and then remove the hinges Screw specifications Number of screws M2 x L2 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinges Remove the LCD panel Make sure the following FRUs (CRUs) have been removed.
  • Page 58 Turn over the LCD panel and then disconnect the EDP cable from the LCD panel. Figure 37. Disconnect the EDP cable from the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Removable tape Remove the microphone rubbers Make sure the following FRUs (CRUs) have been removed.
  • Page 59 Remove the microphone rubbers. Note: The microphone rubbers are not reusable. Replace it when replacing related FRUs. Figure 38. Remove the microphone rubbers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Microphone rubbers...
  • Page 60 “Remove the microphone rubbers” on page 52 “Remove the EDP cable” on page 53 “Remove the camera” on page 54 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD cover Hardware Maintenance Manual...

  • Page 61: Removal Procedure For Lenovo S15 G3 Iap And Lenovo S15 G3 Aba

    Removal procedure for Lenovo S15 G3 IAP and Lenovo S15 G3 ABA Remove the lower case Make sure the computer has been shut down before servicing the computer. Step 1. Place the computer upside down on a flat surface. Step 2.

  • Page 62: Remove The Battery Pack

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 34 Step 1.
  • Page 63 Figure 44. Remove the SSD thermal pad Step 3. Remove one screw. Figure 45. Remove one screw Screw specifications Number of screws M2 x L2.8 Step 4. Remove the SSD bracket. Figure 46. Remove the SSD bracket Step 5. Remove the SSD by pulling it away from the slot. Chapter 4 Removing a FRU or CRU...

  • Page 64: Remove The Wi-Fi Card

    Figure 47. Remove the SSD by pulling it away from the slot Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Solid-state drive (SSD) Solid-state drive (SSD) bracket Solid-state drive (SSD) thermal pad Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.

  • Page 65: Remove The Cmos Battery

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the CMOS battery Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 55 Step 1.

  • Page 66: Remove The Memory Module

    Figure 51. Remove the memory module shielding Step 3. Release the two latches on both edges of the socket at the same time. Then, remove the memory module. Figure 52. Remove the memory module (for Lenovo S15 G3 IAP) Hardware Maintenance Manual...
  • Page 67 Figure 53. Remove the memory module (for Lenovo S15 G3 ABA) Step 4. Remove the memory absorber. Figure 54. Remove the memory absorber (for Lenovo S15 G3 IAP) Figure 55. Remove the memory absorber (for Lenovo S15 G3 ABA) Go to https://support.lenovo.com/partslookup...

  • Page 68: Remove The Heat Sink (For Lenovo S15 G3 Iap)

    Step 2. Loosen six screws and then remove the heat sink. Figure 56. Loosen six screws and then remove the heat sink Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the heat sink (for Lenovo S15 G3 ABA) Make sure the following FRU (or CRU) has been removed.

  • Page 69: Remove The Fan

    Figure 57. Loosen four screws and then remove the heat sink. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the fan Make sure the following FRU (or CRU) has been removed.

  • Page 70: Remove The I/O Board Module

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Remove the I/O board module Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 55 Step 1. Disconnect the battery pack cable from the system board.

  • Page 71: Remove The Fingerprint Board Module

    Separate the I/O board cable from the I/O board. Figure 61. Separate the I/O board cable from the I/O board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: I/O board I/O board cable Remove the fingerprint board module Make sure the following FRU (or CRU) have been removed.
  • Page 72 Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable. Step 2. Remove the piece of tape. Figure 62. Remove the piece of tape Step 3. Disconnect the fingerprint board cable from the system board then remove the fingerprint board with cable.

  • Page 73: Remove The System Board And The Touchpad Board Cable

    “Remove the CMOS battery” on page 59 “Remove the memory module” on page 60 “Remove the heat sink (for Lenovo S15 G3 IAP)” on page 62 “Remove the heat sink (for Lenovo S15 G3 ABA)” on page 62 “Remove the fan” on page 63 Step 1.
  • Page 74 Figure 65. Remove two screws and then open the hinge Screw specifications Number of screws M2.5 x L5 Step 2. Disconnect the touchpad board cable from the touchpad board and disconnect cables connected to the system board. Figure 66. Disconnect cables connected to the system board Step 3.
  • Page 75 Step 4. Disconnect the touchpad board cable from the system board. Figure 68. Disconnect the touchpad board cable from the system board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board Touchpad board cable...

  • Page 76: Remove The Lcd Unit

    Remove the LCD unit Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 55 Step 1. Disconnect the battery pack cable from the system board. Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable. Step 2.

  • Page 77: Remove The Upper Case

    “Remove the CMOS battery” on page 59 “Remove the memory module” on page 60 “Remove the heat sink (for Lenovo S15 G3 IAP)” on page 62 “Remove the heat sink (for Lenovo S15 G3 ABA)” on page 62 “Remove the fan” on page 63 “Remove the I/O board module”...
  • Page 78 Figure 71. Remove the LCD bezel Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD bezel Remove the hinges Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 70 “Remove the LCD bezel”...
  • Page 79 Turn over the LCD panel and then disconnect the EDP cable from the LCD panel. Figure 74. Disconnect the EDP cable from the LCD panel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts:...
  • Page 80 Step 1. Remove the microphone rubbers. Figure 75. Remove the microphone rubbers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Microphone rubbers Removable tape Remove the EDP cable Make sure the following FRUs (CRUs) have been removed.
  • Page 81 Figure 76. Remove the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: EDP cable Removable tape Remove the camera privacy shutter Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 70 “Remove the LCD bezel”...
  • Page 82 “Remove the EDP cable” on page 74 “Remove the camera privacy shutter” on page 75 “Remove the camera” on page 75 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover Hardware Maintenance Manual...

  • Page 83: Appendix A. Label Locations

    Figure 79. Label layout on the back side of the base cover Make sure to apply the appropriate labels to the replacement base cover. Table 7. All base cover labels Label Label name Label dimensions Rating label OS label 16 mm x 22.5 mm © Copyright Lenovo 2022...
  • Page 84 Hardware Maintenance Manual...

  • Page 85: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2022 Lenovo.

This manual is also suitable for:

S15 gen 3

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