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

Lenovo Yoga 9i Hardware Maintenance Manual

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Yoga 9i (14", 8)
Hardware Maintenance Manual

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Summary of Contents for Lenovo Yoga 9i

  • Page 1 Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 2 First Edition (December 2022) © Copyright Lenovo 2022.

  • Page 3: Table Of Contents

    Trademarks ....xlix General guidelines ....Remove the rubber foot... . © Copyright Lenovo 2022...
  • Page 4 Yoga 9i (14″, 8) 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 Yoga 9i (14″, 8) 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

    The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER DANGER VORSICHT Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 VORSICHT VORSICHT VORSICHT Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Yoga 9i (14″, 8) 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

    Table 1. Model: Yoga 9 14IRP8 (Machine type: 83B1) Type ac power adapter self-service power cord self-service Lenovo 3-in-1 Hub self-service Lenovo Precision Pen 2* self-service Lenovo E-Color Pen* self-service * for selected models Yoga 9i (14″, 8) Hardware Maintenance Manual...

  • 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. Figure 1. Exploded view Table 2. FRU (CRU) categories...
  • Page 30 2242 solid-state drive thermal pad* Lower case Rubber foot Screw kit Fingerprint reader cable I/O board FPC I/O board cable I/O board System board Heat sink Power adapter Power cord * for selected models Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 31 Figure 2. LCD exploded view Table 3. LCD FRU (CRU) categories FRU (CRU) category LCD panel Microphone rubbers Camera module LCD bezel Strip frames Hinge and Soundbar assembly Removable tapes LCD cover Sensor board Strip cover Camera cable ToF rubber Chapter 3 Identifying FRUs (CRUs)
  • Page 32 Yoga 9i (14″, 8) 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 Rubber Foot

    Pry up the two ends of the rubber foot. Then, carefully remove the rubber foot. Figure 3. Remove the rubber foot Note: If the rubber foot is broken, replace it with a new one when assemble the computer. Yoga 9i (14″, 8) Hardware Maintenance Manual...

  • Page 35: Remove The Lower Case

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

  • Page 36: Remove The 2242 Solid-State Drive And Bracket (For Selected Models)

    Figure 5. Remove the battery pack Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Battery pack Remove the 2242 solid-state drive and bracket (for selected models) Make sure the following FRUs (or CRUs) have been removed.
  • Page 37 Figure 6. Remove the 2242 solid-state drive and bracket Screw specifications Number of screws M2 x L2.5 Note: Thermal pad is provided on the lower surface of the 2242 solid-state drive. If you replace the 2242 solid-state drive, ensure that the thermal pad is attached in place. Step 2.

  • Page 38: Remove The 2280 Solid-State Drive (For Selected Models)

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: 2242 solid-state drive 2242 solid-state drive bracket Remove the 2280 solid-state drive (for selected models) Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The Heat Sink

    Figure 9. Disconnect the antenna cables and remove the antenna module Screw specifications Number of screws M1.6 x L2.9 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Antenna module Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 40: Remove The Fans

    Figure 10. Loosen three screws and remove the heat sink Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed.

  • Page 41: Remove The I/O Board With Cables

    Figure 12. Remove the fans Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Remove the I/O board with cables Make sure the following FRUs (or CRUs) have been removed.
  • Page 42 Figure 13. Disconnect the I/O board FPC Step 2. Disconnect the I/O board cable. Figure 14. Disconnect the I/O board cable Step 3. Disconnect the speaker cable and EDP cables from the system board and the I/O board. Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 43 Remove five screws and then remove the I/O board. Screw specifications Number of screws M1.6 x L2.9 M2 x L3.5 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 FPC I/O board cable...

  • Page 44: Remove The System Board And Fingerprint Reader Cable

    “Remove the I/O board with cables” on page 35 Step 1. Disconnect cables connected to the system board. Figure 15. Disconnect cables Step 2. Remove nine screws and then remove the system board. Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 45 Step 3. Remove the fingerprint reader cable. Figure 17. Remove the fingerprint reader cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: System board Fingerprint reader cable Chapter 4 Removing a FRU or CRU...

  • Page 46: Use A Golden Key U1 Tool To Flash-Write Key Id Information

    Figure 18. Disconnect cables and remove four screws Screw specifications Number of screws M2.5 x L4.5 Step 2. Rotate the upper case to an angle larger than 270° degrees. Then, remove the upper case (with keyboard). Yoga 9i (14″, 8) Hardware Maintenance Manual...

  • Page 47: Remove The Lcd Module

    Figure 19. Remove the upper case (with keyboard) Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case (with keyboard) Remove the LCD module Make sure the following FRUs (CRUs) have been removed.
  • Page 48 Number of screws M1.6 x L2.9 Step 3. Remove four screws and the strip frames. Figure 22. Remove four screws and the strip frames Screw specifications Number of screws M1.6 x L2.9 M2 x L3 Yoga 9i (14″, 8) Hardware Maintenance Manual...
  • Page 49 Step 4. Pull out two removable tapes and lift the LCD panel. Figure 23. Pull out removable tapes and lift the LCD panel Step 5. Lift the mylar and the conductive tape. Figure 24. Lift the mylar and the conductive tape Step 6.

  • Page 50: Remove The Tof Rubber

    Figure 25. Disconnect the EDP cable and sensor board cable and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD module LCD bezel Strip cover Strip frame Remove the ToF rubber Make sure the following FRUs (or CRUs) have been removed.

  • Page 51: Remove The Microphone Rubbers

    Figure 26. Remove the ToF rubber Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: ToF rubber Remove the microphone rubbers Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 41 Step 1.

  • Page 52: Remove The Camera Board And Camera Cable

    “Remove the microphone rubbers” on page 45 Step 1. Disconnect and peel off the camera cable. Figure 28. Disconnect the camera cable Step 2. Remove the camera board. Figure 29. Remove the camera board Yoga 9i (14″, 8) Hardware Maintenance Manual...

  • Page 53: Remove The Sensor Board

    Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Camera board Camera cable Remove the sensor board Make sure the following FRUs (or CRUs) have been removed. “Remove the LCD module” on page 41 Step 1.
  • Page 54 Step 2. Remove the hinge and soundbar assembly. Figure 32. Remove the hinge and soundbar assembly Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hinge and soundbar assembly Yoga 9i (14″, 8) 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. © 2022 Lenovo.

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14irp8

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