Lenovo Slim 7i Hardware Maintenance Manual
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Lenovo Slim 7i Hardware Maintenance Manual

Lenovo Slim 7i Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo Slim 7i (14", 9)

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Summary of Contents for Lenovo Slim 7i

  • Page 1 Hardware Maintenance Manual Lenovo Slim 7i (14″, 9)
  • Page 2 First Edition (December 2023) © Copyright Lenovo 2023.

  • Page 3: Table Of Contents

    General guidelines ....Trademarks ....xlvii Handling thermal interface materials ..© 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

    • Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard disk drive might have been dropped or subject to excessive force. CRU list Table 1. Models: Lenovo Slim 7 14IMH9 (MT: 83D8) Type ac power adapter...

  • 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 Table 2. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module is an assembly FRU, do not disassemble it. Upper case Touchpad cable Touchpad Keyboard membrane mylar I/O board I/O board cable Heat sink EDP connector sponge Fans Wi-Fi card Wi-Fi card mylar...
  • Page 30 Hardware Maintenance Manual...

  • 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: Handling Thermal Interface Materials

    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 33: Areas On The System Board Where Thermal Interface Materials Are Applied

    Figure 2. Areas on the heat sink where thermal interface materials should be applied Areas on the system board where thermal interface materials are applied The following figure shows the areas on the system board where thermal interface materials are applied. Figure 3.

  • Page 34: Remove The Battery Pack

    Step 3. Pry up the latches and then remove the lower case. Figure 5. 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 35: Remove The Solid-State Drive (Ssd)

    Screw specifications Number of screws M2 x L3.5 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) Make sure the following FRUs (or CRUs) have been removed.

  • Page 36: Remove The Wi-Fi Card

    Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 27 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 37: Remove The System Board Bracket

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Wi-Fi card mylar Remove the system board bracket Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 27 Step 1.

  • Page 38: Remove The Touchpad And The Touchpad Cable

    Step 3. Release the speaker cable from the cable guide and then remove the speakers. Figure 13. Remove the speakers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the touchpad and the touchpad cable Make sure the following FRUs (CRUs) have been removed.
  • Page 39 Figure 14. Peel back the keyboard cable Step 2. Disconnect the touchpad cable from the system board and touchpad. Remove the touchpad cable. Figure 15. Remove the touchpad cable Step 3. Remove the keyboard membrane mylar. Figure 16. Remove the keyboard membrane mylar Step 4.

  • Page 40: Remove The Heat Sink

    Number of screws M1.6 x L1.7 Step 5. Remove the touchpad. Figure 18. Remove the touchpad Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touchpad cable Keyboard membrane mylar Touchpad Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.

  • Page 41: Remove The Fans

    Figure 19. Remove the heat sink Screw specifications Number of screws M1.6 x L1.7 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Related topics “Handling thermal interface materials ” on page 26 Remove the fans Make sure the following FRUs (or CRUs) have been removed.

  • Page 42: Remove The I/O Board

    Figure 21. Remove the fans Screw specifications Number of screws M2 x L3.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Fans Remove the I/O board Make sure the following FRU (or CRU) have been removed.

  • Page 43: Remove The System Board And The I/O Board Cable

    Number of screws M2 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: I/O board Remove the system board and the I/O board cable Make sure the following FRUs (or CRUs) have been removed.
  • Page 44 Figure 24. Peel off the tape and mylar Step 2. Remove two screws and open the hinge. Figure 25. Remove two screws and open the hinge Screw specifications Number of screws M2.5 x L4.5 Step 3. Disconnect cables connected to the system board. Disconnect the I/O board FPC from the I/O board.
  • Page 45 Figure 26. Disconnect cables Step 4. Remove one screw and then remove the system board and the I/O board cable. Figure 27. Remove the system board and the I/O board cable Screw specifications Number of screws M2 x L3.5 Step 5. Disconnect the I/O board cable from the system board and then remove the I/O board cable.

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

    Figure 28. Remove the I/O board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board I/O board cable Related topics “Handling thermal interface materials ” on page 26 Use a Golden Key U1 tool to flash-write key id information...
  • Page 47 Figure 29. Disconnect camera cable Step 2. Detach the main and auxiliary antenna cable connectors. Disconnect the EDP cable from the system board and then release the cables from the cable guide. Figure 30. Disconnect the EDP cable, the sensor board cable and the antenna cable Step 3.

  • Page 48: Remove The Upper Case

    • Permanent delete ColorTool folder at customer’s device after complete the LCD replacement. (Shift + Delete) • You will also find the instructions come with the LCD panel FRU. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD module Remove the upper case Make sure the following FRUs (CRUs) have been removed.
  • Page 49 “Remove the I/O board” on page 36 “Remove the system board and the I/O board cable” on page 37 “Remove the LCD module” on page 40 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Upper case...
  • Page 50 Hardware Maintenance Manual...

  • Page 51: Appendix A. Label Locations

    Vietnam MEPS label 10 mm x 9 mm Belarus D-side label 40 mm x 8 mm 30 mm x 30 mm Lenovo Energy Saving label Country label TW vision warning label 70 mm x 10 mm Argentina WLAN label 32 mm x 10 mm...
  • Page 52 Hardware Maintenance Manual...

  • Page 53: 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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