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Lenovo 15ALC05 Hardware Maintenance Manual

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Hardware Maintenance Manual
IdeaPad Flex 5 (14", 5), IdeaPad Flex 5 (15", 5), IdeaPad Flex 5i (14",
5), IdeaPad Flex 5i (15", 5)

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Summary of Contents for Lenovo 15ALC05

  • Page 1 Hardware Maintenance Manual IdeaPad Flex 5 (14″, 5), IdeaPad Flex 5 (15″, 5), IdeaPad Flex 5i (14″, 5), IdeaPad Flex 5i (15″, 5)
  • Page 2 First Edition (October 2020) © Copyright Lenovo 2020.

  • Page 3: Table Of Contents

    Remove the Wi-Fi card ..Trademarks ....lxxiii Remove the heat sink... © 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

    Table 1. Model: IdeaPad Flex 5 14ALC05 and IdeaPad Flex 5 14ITL05 (MT: 82HU, 82HS) Type ac power adapter self-service Power cord self-service self-service Pen holder self-service Table 2. Model: IdeaPad Flex 5 15ALC05 and IdeaPad Flex 5 15ITL05 (MT: 82HV, 82HT) Type ac power adapter self-service Power cord self-service self-service Pen holder self-service...

  • Page 29: Chapter 3. Idetifying Frus (Crus)

    Chapter 3. Idetifying 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. IdeaPad Flex 5 (14″, 5) and IdeaPad Flex 5i (14″, 5) exploded view Hardware Maintenance Manual...
  • Page 31 Table 3. 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 (with keyboard) Fingerprint board cable Antenna cable Fingerprint board Fingerprint board bracket System board I/O board Touchpad...
  • Page 32 Figure 2. IdeaPad Flex 5 (14″, 5) and IdeaPad Flex 5i (14″, 5) LCD unit - exploded view Hardware Maintenance Manual...
  • Page 33 Table 4. FRU categories for the LCD unit FRU (CRU) category Camera privacy shutter Camera Microphone board LCD cover Removable tape LCD module Strip cover Hinge EDP cable Chapter 3 Idetifying FRUs (CRUs)
  • Page 34 Figure 3. IdeaPad Flex 5 (15″, 5) and IdeaPad Flex 5i (15″, 5) exploded view Hardware Maintenance Manual...
  • Page 35 Table 5. FRU (CRU) categories FRU (CRU) category LCD unit Note: The LCD module as a whole is not an FRU. It contains FRUs as its components Upper case (with keyboard) System board Fingerprint board Fingerprint board bracket Fingerprint board cable I/O board Speakers Antenna cables...
  • Page 36 Figure 4. IdeaPad Flex 5 (15″, 5) and IdeaPad Flex 5i (15″, 5) LCD unit — exploded view Hardware Maintenance Manual...
  • Page 37 Table 6. FRU categories for the LCD unit FRU (CRU) category Camera privacy shutter Camera Microphone board LCD cover Removable tape LCD module Strip cover Hinge EDP cable Chapter 3 Idetifying 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 Ideapad Flex 5 (14", 5) And Ideapad Flex 5I (14", 5)

    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 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)

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Battery pack Remove the solid-state drive (SSD) Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 34 Step 1.

  • Page 43: Remove The Heat Sink

    Screw specifications Number of screws M2 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Wi-Fi card Remove the heat sink Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 34 Step 1.

  • Page 44: Remove The Fan

    Screw specifications Number of screws M2 x L3 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Heat sink Remove the fan Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 34 “Remove the battery pack”...

  • Page 45: Screw Specifications Number Of Screws

    Figure 13. Disconnect the I/O board cable from the system board and remove three screws Screw specifications Number of screws M2.5 x L4 Step 2. Open the hinge. Remove one screw and then remove the I/O board with cable. Figure 14. Remove the I/O board with cable Screw specifications Number of screws M2 x L3...

  • Page 46: Remove The Fingerprint Board Module

    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. “Remove the lower case” on page 34 “Remove the battery pack”...

  • Page 47: Remove The Speakers

    Figure 18. Separate the fingerprint board cable from the fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint board Fingerprint board cable Fingerprint board bracket Remove the speakers Make sure the following FRUs (CRUs) have been removed.

  • Page 48: Remove The System Board

    Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 34 “Remove the battery pack” on page 35 “Remove the heat sink”...

  • Page 49: Remove The Touchpad

    Step 3. Open the hinge. Peel off the tape and then remove the system board. Figure 23. Remove the system board Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: System board Remove the touchpad Make sure the following FRUs (CRUs) have been removed.

  • Page 50: Remove The Lcd Unit

    M2 x L2 Step 2. Remove the touchpad. Figure 25. Remove the touchpad Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Touchpad Remove the LCD unit Make sure the following FRUs (CRUs) have been removed.
  • Page 51 Figure 26. Disconnect the LCD cables from the system board. Step 2. Rotate the LCD unit to an angle of more than 90 degrees and place the computer on a flat surface as shown. Remove five screws. Figure 27. Remove five screws Screw specifications Number of screws M2.5 x L4...

  • Page 52: Remove The Upper Case (With Keyboard)

    “Remove the touchpad” on page 43 “Remove the LCD unit” on page 44 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case (with keyboard) Disassemble the LCD unit The LCD unit as a whole is not an FRU. Instead, it contains FRUs as its components. Before disassembling the LCD unit, make sure it has been detached from the upper case.
  • Page 53 Figure 29. Remove the strip cover Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Strip cover Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 44 “Remove the strip cover”...
  • Page 54 Detach the two cable connectors and slide the LCD panel down. Disconnect the EDP cable from the LCD panel and remove the LCD panel. Figure 32. Remove the LCD panel Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Removable tape...
  • Page 55 Figure 33. Remove the camera privacy shutter Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Camera privacy shutter Remove the camera mudule Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 44 “Remove the strip cover”...
  • Page 56 Disconnect the EDP cable from the microphone board. Peel off the tape and then remove the EDP cable. Figure 36. Remove the EDP cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: EDP cable Remove the hinge Make sure the following FRUs (CRUs) have been removed.
  • Page 57 Figure 37. Remove four screws and then remove the hinge Screw specifications Number of screws M2.5 x L4 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinge Remove the LCD cover Make sure the following FRUs (CRUs) have been removed.

  • Page 58: Removal Procedure For Ideapad Flex 5 (15", 5) And Ideapad Flex 5I (15", 5)

    Step 3. Pry up the latches and then remove the lower case. Figure 39. Pry up the latches and remove the lower case Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Hardware Maintenance Manual...

  • Page 59: Remove The Battery Pack

    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) have been removed.
  • Page 60 Remove one screw and then separate the SSD from the SSD bracket. Figure 43. Remove the SSD and the SSD bracket Screw specifications Number of screws M2 x L2 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: SSD bracket Hardware Maintenance Manual...

  • Page 61: Remove The Wi-Fi Card

    Figure 44. Remove the Wi-Fi card Screw specifications Number of screws M2 x L3 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the heat sink Make sure the following FRU (or CRU) have been removed.

  • Page 62: Remove The Fan

    Figure 45. Remove five screws and remove the heat sink Screw specifications Number of screws M2 x L3 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 FRUs (or CRUs) have been removed.

  • Page 63: Remove The I/O Board

    Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 52 “Remove the battery pack” on page 53 Step 1. Disconnect the I/O board cable from the system board and then remove three screws. Figure 47.

  • Page 64: Remove The Fingerprint Board Module

    Figure 49. Remove 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 65: Remove The Speakers

    Step 3. Separate the fingerprint board cable from the fingerprint board. Figure 52. Separate the fingerprint board cable from the fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Fingerprint board Fingerprint board cable...

  • Page 66: Remove The System Board

    Figure 53. Disconnect the speaker cable from the system board Step 2. Peel off the tape and then remove the speakers. Figure 54. Remove the speakers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Speakers Remove the system board Make sure the following FRUs (or CRUs) have been removed.
  • Page 67 Figure 55. Disconnect cables connected to the system board Step 2. Remove five screws. Figure 56. Remove five screws Chapter 4 Removing a FRU or CRU...

  • Page 68: Remove The Touchpad

    Open the hinge. Peel off the tape and then remove the system board. Figure 57. Remove the system board Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: System board Remove the touchpad Make sure the following FRUs (CRUs) have been removed.

  • Page 69: Remove The Lcd Unit

    Step 2. Remove the touchpad. Figure 59. Remove the touchpad Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup parts: Touchpad Remove the LCD unit Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 52 “Remove the heat sink”...

  • Page 70: Screw Specifications Number Of Screws

    Figure 61. Remove five screws Screw specifications Number of screws M2.5 x L4 M2 x L3 Step 3. Remove the LCD unit. Figure 62. Remove the LCD unit Hardware Maintenance Manual...

  • Page 71: Remove The Upper Case (With Keyboard)

    “Remove the touchpad” on page 62 “Remove the LCD unit” on page 63 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Upper case (with keyboard) Disassemble the LCD unit The LCD unit as a whole is not an FRU. Instead, it contains FRUs as its components. Before disassembling the LCD unit, make sure it has been detached from the upper case.

  • Page 72: Remove The Lcd Panel

    Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 63 “Remove the strip cover” on page 65 Step 1. Remove three screws. Figure 64. Remove three screws Number of screws Screw specifications M2.5 x L4 Step 2.

  • Page 73: Remove The Camera Privacy Shutter

    Remove the camera privacy shutter. Figure 67. Remove the camera privacy shutter Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement parts: Camera privacy shutter Remove the camera module Make sure the following FRUs (CRUs) have been removed.

  • Page 74: Remove The Edp Cable

    Disconnect the camera cable from the microphone board and then separate the camera from the microphone board. Figure 69. Separate the camera from the microphone board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Camera Microphone board Remove the EDP cable Make sure the following FRUs (CRUs) have been removed.

  • Page 75: Remove The Hinge

    Figure 70. Remove the EDP cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: EDP cable Remove the hinge Make sure the following FRUs (CRUs) have been removed. “Remove the LCD unit” on page 63 “Remove the strip cover”...
  • Page 76 “Remove the camera module” on page 67 “Remove the EDP cable” on page 68 “Remove the hinge” on page 69 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 77: Appendix A. Label Locations

    KCC label 43 mm x 24 mm Postel label 15 mm x 10 mm Indonesia rating label 26 mm x 10 mm BIS label 18 mm x 18 mm OS label 16.07 mm x 22.5 mm © Copyright Lenovo 2020...
  • Page 78 Hardware Maintenance Manual...

  • Page 79: Trademarks

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

This manual is also suitable for:

Ideapad flex 5iIdeapad flex 5

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