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

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Hardware Maintenance Manual
Yoga Book 9i (13", 8)

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Summary of Contents for Lenovo Yoga Book 9i

  • Page 1 Hardware Maintenance Manual Yoga Book 9i (13″, 8)
  • Page 2 First Edition (April 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    Trademarks ....lv Approach 2 for setting the battery in Shipping Mode ....© Copyright Lenovo 2023...
  • 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 2023...
  • 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 2023...

  • 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 Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO DANGER DANGER DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER VORSICHT Chapter 1 Safety information...
  • Page 16 VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 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 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 2023...

  • Page 26: Cru List

    Yoga Book 9 Bluetooth KB self-service Yoga Book 9 folio case self-service Lenovo Digital Pen 3 self-service Lenovo 600 Bluetooth Silent Mouse* self-service Note: Parts labeled with an asterisk (“*”) are available on selected product models. Hardware Maintenance Manual...

  • Page 27: 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 2023...
  • Page 28 Figure 1. Exploded view Hardware Maintenance Manual...
  • Page 29 Fan modules EDP cable assembly Lenovo Digital Pen 3 Yoga Book 9 folio case Lenovo 600 Bluetooth Silent Mouse* Yoga Book 9 Bluetooth KB ac power adapter Screw kit Note: Parts labeled with an asterisk (“*”) are available on selected product models.
  • Page 30 Figure 2. Top screen LCD module - exploded view Table 3. FRU categories for the top screen LCD module FRU (CRU) category B cover LCD panel ToF rubber Microphone rubbers Camera board Camera cable Sound bar hinge with cable assembly Removable tape Strip/Hinge covers LCD cover...

  • Page 31: 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 32: Set The Battery In Shipping Mode

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

  • Page 33: Remove The Hinge Covers

    Figure 3. Removable tape as a FRU Table 5. Removable tape as a FRU Quantity Related topic Used between force bracket (L) and C cover LCD panel “Remove the C cover LCD panel” on page 28 force bracket (R) and C cover LCD panel “Remove the C cover LCD panel”...

  • Page 34: Remove The C Cover Lcd Panel

    (3). Figure 5. Remove the hinge covers Step 3. Repeat Step 2 for the right hinge cover. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Strip/Hinge covers Remove the C cover LCD panel Make sure the following FRUs (or CRUs) have been removed.
  • Page 35 Figure 6. Remove the removable tape Step 2. Repeat Step 1 for the right removable tape. Step 3. Rotate the C cover LCD panel gently until the motor cable connector can be seen (3). Detach the motor cable from the connector and then release the cable (4). Figure 7.
  • Page 36 Figure 8. Remove screws, release the EDP cable assembly, and remove the C cover LCD panel Screw specifications Number of screws M1.2 x L1.4 Step 5. On the removed C cover LCD panel, lift the tab of the panel control board connector (8) and then disconnect the control board cable from the connector (9).

  • Page 37: Remove The Battery Pack

    Figure 10. Avoid bumping against the sharp points Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement parts: C cover LCD panel EDP cable assembly Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.

  • Page 38: Remove The Force Brackets

    (5). Figure 13. Detach the battery pack cable and remove the battery pack Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Battery pack Remove the force brackets Make sure the following FRUs (or CRUs) have been removed.

  • Page 39: Remove The Fan Modules

    Number of screws M2 x L3.5 Step 2. Repeat Step 1 for the right force bracket. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Force bracket (L) Force bracket (R) Remove the fan modules Make sure the following FRUs (or CRUs) have been removed.

  • Page 40: Remove The Heat Sink

    Screw specifications M2 x L3.5 Step 7. Repeat Step 5 and 6 for the right fan module. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Sound bar hinge with cable assembly Fan modules Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.
  • Page 41 Note: When removing the heat sink, overturn it to avoid the silicone grease on the back is stained. Figure 19. Remove screws and remove the heat sink Screw specifications Number of screws M2 x L2.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Shielding mylar Heat sink Chapter 4...

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

    M2 x L1.6 Step 2. Peel away the absorber around the SSD (4). Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement parts: Solid-state drive (SSD) absorber Solid-state drive (SSD) Remove the speakers Make sure the following FRUs (or CRUs) have been removed.

  • Page 43: Remove The Power Board

    Number of screws M2 x L1.6 Step 3. Repeat Step 1 and 2 for the right speaker. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the power board Make sure the following FRUs (or CRUs) have been removed.

  • Page 44: Remove The System Board And The I/O Boards

    Figure 23. Remove one screw and remove the power board Screw specifications Number of screws M2 x L2.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Power board Power board cable Remove the system board and the I/O boards Make sure the following FRUs (or CRUs) have been removed.
  • Page 45 Figure 24. Remove screws and remove the system board with the I/O boards Screw specifications Number of screws M2 x L1.6 M2 x L2.5 Note: The motor cable rubber can be removed from the system board. Step 2. Overturn the system board with the two I/O boards (4). Figure 25.

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

    Remove the left I/O board cable (9) and then the left I/O board is therewith removed. Step 6. Repeat Step 3,4,5 for the right I/O board FPC, the right I/O board cable, and the right I/O board. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: System board...
  • Page 47 “Remove the hinge covers” on page 27 “Remove the C cover LCD panel” on page 28 “Remove the force brackets” on page 32 Note: Make sure the camera cable and the EDP cable have been torn from the fan modules. Step 1.

  • Page 48: Disassemble The Top Screen Lcd Module

    Screw specifications Number of screws M2 x L3.5 Note: The LED rubber can be removed from the lower case. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Hinge rubbers LED rubber Lower case Disassemble the top screen LCD module The top screen LCD module as a whole is not a FRU.

  • Page 49: Remove The B Cover Lcd Panel

    Figure 30. Remove the strip covers Step 2. Repeat the step for the right strip cover. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Strip/Hinge covers Remove the B cover LCD panel Make sure the following FRUs (or CRUs) have been removed.
  • Page 50 Figure 31. Remove the left and right removable tape Step 2. Repeat Step 1 for the right removable tape. Step 3. Use a pair of tweezers to take the white tab of the middle removable tape out of the compartment (3).
  • Page 51 Figure 33. Overturn the B cover LCD panel Step 5. Lift the latch fastened on the connector of the camera cable (6) and then disconnect the cable from the connector (7). Figure 34. Release the camera cable Step 6. Slowly tear the camera cable off and release the cable (8). Note: The camera cable is fixed to the LCD panel with an adhesive tape on its back.

  • Page 52: Remove The Camera Board

    Attention: When assembling the computer, avoid the B cover LCD panel bumping against the sharp points of the LCD cover. Figure 36. Avoid bumping against the sharp points Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: B cover LCD panel...
  • Page 53 Lift the tab of the camera board connector (4). Disconnect the camera cable and the camera board is therewith removed from the camera cable (5). Figure 39. Remove the camera board from the camera cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Camera board...

  • Page 54: Remove The Sound Bar Hinge With Cable Assembly

    Screw specifications M2 x L1.6 Step 2. Remove the sound bar hinge with cable assembly (2). Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Sound bar hinge with cable assembly LCD cover Hardware Maintenance Manual...

  • Page 55: Appendix A. Label Locations

    For the laser etched label, print the label and apply it to the replacement cover according to the label location illustrated above. The artworks for the laser etched labels are country/ region specific and can be found in Appendix B “Artworks for laser etched labels” on page 51. © Copyright Lenovo 2023...
  • Page 56 Hardware Maintenance Manual...

  • Page 57: Appendix B. Artworks For Laser Etched Labels

    Figure 42. Artwork for the laser etched label used in India Japan Figure 43. Artwork for the laser etched label used in Japan Korea Figure 44. Artwork for the laser etched label used in Korea Malaysia © Copyright Lenovo 2023...
  • Page 58 Figure 45. Artwork for the laser etched label used in Malaysia Figure 46. Artwork for the laser etched label used in PRC Taiwan province Figure 47. Artwork for the laser etched label used in Taiwan province USCA Figure 48. Artwork for the laser etched label used in USCA Vietnam Hardware Maintenance Manual...
  • Page 59 Figure 49. Artwork for the laser etched label used in Vietnam Figure 50. Artwork for the laser etched label used in WW Appendix B. Artworks for laser etched labels...
  • Page 60 Hardware Maintenance Manual...

  • Page 61: Trademarks

    Trademarks LENOVO and the LENOVO logo are trademarks of Lenovo. All other trademarks are the property of their respective owners. © 2023 Lenovo.

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