Lenovo Yoga Slim 9i Hardware Maintenance Manual
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Lenovo Yoga Slim 9i Hardware Maintenance Manual

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Yoga Slim 9i (14",5)

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Summary of Contents for Lenovo Yoga Slim 9i

  • Page 1 Hardware Maintenance Manual Yoga Slim 9i (14″,5)
  • Page 2 First Edition (September 2020) © Copyright Lenovo 2020.

  • Page 3: Table Of Contents

    Trademarks ....xlix Service tools ....© Copyright Lenovo 2020...
  • 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 2020...
  • 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 2020...

  • 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 2020...

  • 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 2020...
  • Page 30 Figure 1. Yoga Slim 9 14ITL5 exploded view Hardware Maintenance Manual...
  • Page 31 Table 2. FRU (CRU) categories FRU (CRU) category LCD module Upper case I/O board bracket (right) I/O board System board USB board cable (50 pin) MB fiber mylar Antenna module Heat sink MB mylar Thermal pad Solid-state drive (SSD) Solid-state drive (SSD) AL foil Speakers Battery sponge Battery pack...
  • Page 32 Hardware Maintenance Manual...

  • Page 33: 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 34: Remove The Lower Case

    3. Follow the correct sequence in the steps for removing an FRU, as shown in the illustrations by the numbers in square callouts. 4. When removing an FRU, move it in the direction as shown by the arrow in the illustration. 5.

  • Page 35: Remove The Battery Pack

    Step 4. Pry up the latches and then remove the lower case. Figure 4. Pry up the latches and then remove the lower case Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Lower case...
  • Page 36 Attention: Use your fingernails to pull the connector to unplug it. Figure 5. Remove the two screws that secure the battery pack connector, then detach the battery pack connector from the system board Screw specifications Number of screws M1.2 x L1.65 Step 2.

  • Page 37: Remove Thermal Pad

    Remove the thermal pad. Figure 8. Remove the thermal pad Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Thermal pad Remove the solid-state drive (SSD) module Make sure the following FRUs (or CRUs) have been removed.
  • Page 38 Figure 9. Tear off the MB mylar Step 3. Remove one screw. Figure 10. Remove one screw Screw specifications Number of screws M2.0 x L2.0 Step 4. Remove the SSD module by pulling it away from the slot. Figure 11. Remove the SSD module Step 5.

  • Page 39: Remove The Heat Sink

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: MB mylar SSD AL foil Remove the heat sink Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1.

  • Page 40: Remove The Fans

    MB fiber mylar Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 Step 1. Remove the two screws that secure the battery pack connector, then detach the battery pack connector from the system board.

  • Page 41: Remove The Speakers

    Figure 17. Remove the fans Screw specifications Number of screws M2.0 x L3.0 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Batt lens sponge DBL mylar Fans Remove the speakers Make sure the following FRUs (CRUs) have been removed.

  • Page 42: Remove The Antenna Module

    Figure 18. Remove the speakers Screw specifications Number of screws M2.0 x L2.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the antenna module Make sure the following FRUs (CRUs) have been removed.

  • Page 43: Remove The I/O Board Bracket (Right)

    Screw specifications Number of screws M1.6 x L2.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Antenna module Remove the I/O board bracket (right) Make sure the following FRUs (or CRUs) have been removed.

  • Page 44: Remove The Power Board Module

    Figure 21. Remove the left I/O board bracket Number of screws Screw specifications M2.0 x L3.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: I/O board bracket (left) Remove the power board module Make sure the following FRUs (or CRUs) have been removed.

  • Page 45: Remove The Touchpad Board Cables

    Step 3. Remove the power board cable from power board. Figure 23. Remove the power board cable from power board Go to to look up the Lenovo part number of the following https://support.lenovo.com/partslookup replacements parts: Power board Power board cable Remove the touchpad board cables Make sure the following FRUs (or CRUs) have been removed.

  • Page 46: Remove The System Board

    Figure 24. Remove the touchpad board cables Go to to look up the Lenovo part number of the following https://support.lenovo.com/partslookup replacements parts: Touchpad board cables Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 28 “Remove the battery pack”...
  • Page 47 Figure 26. Disconnect cables connected to the system board, USB board and I/O board Figure 27. Disconnect cables connected to the USB board and I/O board Step 3. Remove six screws then remove the system board with USB board, I/O board, USB board cables and I/O board cable.

  • Page 48: And I/O Board Cable

    Remove six screws and then disconnect the USB board cable connectors and I/O board cable connector from the system board. Remove the system board. Figure 29. Remove system board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board Remove USB board, I/O board, USB board cables and I/O board cable Make sure the following FRUs (CRUs) have been removed.

  • Page 49: Remove The Lcd Module

    Figure 31. Remove two screws then detach the I/O board and I/O board cable Screw specifications Number of screws M1.2 x L1.65 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: USB board USB board cable (50 pin)
  • Page 50 Remove four screws and then remove the LCD module. Figure 33. Remove four screws and then remove the LCD module Screw specifications Number of screws M2.0 x L4.0 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: LCD module Hardware Maintenance Manual...

  • Page 51: Remove The Upper Case

    “Remove USB board, I/O board, USB board cables and I/O board cable” on page 42 “Remove the LCD module” on page 43 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case Chapter 4...
  • Page 52 Hardware Maintenance Manual...

  • Page 53: Appendix A. Label Locations

    Labels attached to the base cover are country/region specific. Make sure to apply the appropriate labels to the replacement base cover. Table 4. All base cover labels Label Label name Label dimensions Camera shutter label 5.8 mm x 41 mm OS label 16.077 mm x 22.501 mm © Copyright Lenovo 2020...
  • Page 54 Hardware Maintenance Manual...

  • Page 55: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2020 Lenovo.

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