Lenovo IdeaPad C340-15IWL Hardware Maintenance Manual
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Lenovo IdeaPad C340-15IWL Hardware Maintenance Manual

Lenovo IdeaPad C340-15IWL Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo IdeaPad C340-15IWL/Lenovo IdeaPad FLEX-15IWL

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Summary of Contents for Lenovo IdeaPad C340-15IWL

  • Page 1 Hardware Maintenance Manual Lenovo IdeaPad C340-15IWL/Lenovo IdeaPad FLEX-15IWL...
  • Page 2 Hardware Maintenance Manual Lenovo IdeaPad C340-15IWL/Lenovo IdeaPad FLEX-15IWL...
  • Page 3 First Edition (January 2019) © Copyright Lenovo 2019. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-...

  • Page 4: Table Of Contents

    Remove the lower case ... . Trademarks ....lxi Remove the battery pack ... © Copyright Lenovo 2019...
  • Page 5 Hardware Maintenance Manual...

  • Page 6: 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 2019...

  • Page 7: 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 8: 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 9: 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 10 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 11 Hardware Maintenance Manual...
  • Page 12 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 13 PERIGO PERIGO PERIGO PERIGO PERIGO Hardware Maintenance Manual...
  • Page 14 DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 15 DANGER DANGER DANGER DANGER VORSICHT Hardware Maintenance Manual...
  • Page 16 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 17 VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 18 Chapter 1 Safety information...
  • Page 19 Hardware Maintenance Manual...
  • Page 20 Chapter 1 Safety information...
  • Page 21 Hardware Maintenance Manual...
  • Page 22 Chapter 1 Safety information...
  • Page 23 Hardware Maintenance Manual...
  • Page 24 Chapter 1 Safety information...
  • Page 25 Hardware Maintenance Manual...

  • Page 26: Chapter 2. General Checkout

    Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the following list: The following are not covered under warranty: • LCD panel cracked from the application of excessive force or from being dropped © Copyright Lenovo 2019...

  • Page 27: Checking The Ac Power Adapter

    • 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 • Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card •...

  • Page 28: Chapter 3. Identifying Frus (Crus)

    • FRUs: Refer to parts that must be installed or replaced only by trained service technicians. If customers choose to replace the FRUs by themselves, the product warranty might be affected. The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer’s computer.
  • Page 29 Major FRUs (CRUs) Table 1. Major FRUs (CRUs) FRUs (CRUs) description Self-service CRU Optional-service CRU LCD module Upper case (with keyboard) System board Hardware Maintenance Manual...
  • Page 30 Table 1. Major FRUs (CRUs) (continued) Memory module Memory module shielding M.2 Solid-state drive bracket* M.2 Solid-state drive Storage drive Storage drive bracket ac power adapter Power cord* Heat sink Wi-Fi card Wi-Fi card sponge I/O board Fingerprint board* Fingerprint board bracket* Coin-cell battery Battery pack Speakers...
  • Page 31 LCD FRUs (CRUs) Table 2. LCD FRUs (CRUs) FRUs (CRUs) description Self-service CRU Optional-service CRU Strip cover LCD panel Removable tapes Microphone board Hardware Maintenance Manual...
  • Page 32 Hinge rubbers LCD cover Miscellaneous parts Table 3. Miscellaneous parts FRUs (CRUs) description Self-service CRU Optional-service CRU Screw kit Note: For detailed FRUs information, including part numbers, descriptions, and substitution part numbers, go to: https://support.lenovo.com/partslookup Chapter 3 Identifying FRUs (CRUs)
  • Page 33 Hardware Maintenance Manual...

  • Page 34: Chapter 4. Removing A Fru Or Cru

    5. To install a new FRU in place, perform the removal procedure in reverse and follow any notes that pertain to replacement. 6. When replacing a FRU, carefully retain and reuse all screws. If screws are missing, look up the Lenovo part numbers by visiting https://support.lenovo.com/partslookup...

  • Page 35: Screw Specifications

    Figure 1. Remove the 10 screws Screw specifications Number of screws M2.0 x 6 Step 2. Insert a pry tool to separate the lower case from upper case. Figure 2. Separate the lower case from upper case Step 3. Remove the lower case. Hardware Maintenance Manual...

  • Page 36: Remove The Battery Pack

    Figure 3. Remove the lower case Remove the battery pack Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 29 Step 1. Detach the battery pack connector from the system board. Figure 4. Detach the battery pack connector Attention: Use your fingernails to unplug the battery connector.

  • Page 37: Remove The Wi-Fi Card

    Figure 5. Remove the 3 screws Screw specifications Number of screws M2.0 x 3 Step 3. Remove the battery pack. Figure 6. Remove the battery pack Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case”...
  • Page 38 Figure 7. Peel off the sponge Step 2. Detach the main and auxiliary antenna cable connectors. Figure 8. Detach the connectors Step 3. Remove 1 screw. Figure 9. Remove 1 screw Screw specifications Number of screws M2.0 x 3 Chapter 4 Removing a FRU or CRU...

  • Page 39: Remove The M.2 Solid-State Drive

    Step 4. Remove the Wi-Fi card by pulling it away from the slot. Figure 10. Remove the Wi-Fi card Remove the M.2 solid-state drive The M.2 solid-state drive has two types: 2242 and 2280. The removal steps are slightly different. Make sure the following FRUs (or CRUs) have been removed.
  • Page 40 Figure 12. Remove 1 screw (for 2280) Screw specifications Number of screws M2.0 x 3 M2.0 x 2.5 Step 2. Remove the M.2 solid-state drive bracket. Note: Only the M.2 2242 solid-state drive includes the bracket. Figure 13. Remove the M.2 solid-state drive bracket Step 3.

  • Page 41: Remove The Storage Drive

    Remove the storage drive Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 31 Step 1. Remove the 4 screws that secure the storage drive to the upper case. Figure 15.

  • Page 42: Remove The Memory Module

    Figure 17. Remove the 4 screws Screw specifications Number of screws M3.0 x 3 Step 4. Remove the bracket. Figure 18. Remove the bracket Remove the memory module Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack”...

  • Page 43: Remove The Fingerprint Board

    Step 2. Release the two latches on both edges of the socket at the same time. Then, remove the memory module. Figure 20. Remove the memory module Remove the fingerprint board The fingerprint board is available on selected models. Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case”...
  • Page 44 Figure 22. Remove 1 screw Screw specifications Number of screws M2.0 x 3 Step 3. Remove the fingerprint board bracket. Figure 23. Remove the fingerprint board bracket Step 4. Remove the fingerprint board. Chapter 4 Removing a FRU or CRU...

  • Page 45: Remove The Speakers

    Figure 24. Remove the fingerprint board Remove the speakers Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 31 Step 1. Detach the speaker connector from the system board. Figure 25.

  • Page 46: Remove The Coin-Cell Battery

    Figure 26. Remove the speakers Remove the coin-cell battery Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 31 Step 1. Detach the coin-cell battery connector from the I/O board. Chapter 4 Removing a FRU or CRU...

  • Page 47: Remove The I/O Board

    Figure 27. Detach the connector Step 2. Remove the coin-cell battery. Figure 28. Remove the coin-cell battery Remove the I/O board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 31 Step 1.
  • Page 48 Figure 29. Detach the connectors Step 2. Remove the 2 screws. Figure 30. Remove the 2 screws Screw specifications Number of screws M2.0 x 3 Step 3. Remove the I/O board. Chapter 4 Removing a FRU or CRU...

  • Page 49: Remove The Fan

    Figure 31. Remove the I/O board Remove the fan Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 31 Step 1. Detach the fan connector and EDP cable connector from the system board. Figure 32.

  • Page 50: Remove The Heat Sink

    Figure 33. Remove the 2 screws Screw specifications Number of screws M2.0 x 3 Step 3. Remove the fan. Figure 34. Remove the fan Remove the heat sink The heat sinks are different for UMA and DIS. Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case”...

  • Page 51: Number Of Screws

    Step 1. Remove the screws. Figure 35. Remove the 3 screws (for UMA) Figure 36. Remove the 5 screws (for DIS) Number of screws Screw specifications M2.0 x 3 3 (for UMA) / 5 (for DIS) Step 2. Remove the heat sink. Hardware Maintenance Manual...

  • Page 52: Remove The System Board

    Figure 37. Remove the heat sink Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 31 “Remove the Wi-Fi card” on page 32 “Remove the M.2 solid-state drive”...
  • Page 53 Figure 38. Detach the connectors Step 2. Remove the 2 screws that secure the system board to upper case. Then, remove the 2 screws that secure the right hinge to upper case. Figure 39. Remove the 4 screws Screw specifications Number of screws M2.0 x 3 M2.5 x 4.5...

  • Page 54: Remove The Dc-In Cable

    Figure 40. Open the right hinge Step 4. Carefully remove the system board. Figure 41. Remove the system board Remove the dc-in cable Make sure the following FRUs (CRUs) have been removed: “Remove the lower case” on page 29 “Remove the battery pack” on page 31 Step 1.
  • Page 55 Figure 42. Detach the connector and remove the 2 screws Screw specifications Number of screws M2.5 x 4.5 Step 2. Open the right hinge. Figure 43. Open the right hinge Step 3. Remove the dc-in cable. Figure 44. Remove the dc-in cable Hardware Maintenance Manual...

  • Page 56: Remove The Upper Case (With Keyboard)

    Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack” on page 31 Step 1. Detach the fan connector, EDP cable connector, and antenna cable connectors. Figure 45.

  • Page 57: Disassemble The Lcd Module

    Figure 47. Open the hinges Step 4. Slowly and carefully lift up the upper case. Figure 48. Remove the upper case (with keyboard) Disassemble the LCD module The LCD module as a whole is not a FRU. Instead, it contains FRUs as its components. Before disassembling the LCD module, make sure it has been detached from the upper case.
  • Page 58 Figure 49. Remove the strip cover Step 2. Remove the 4 screws. Then, remove the hinge rubbers that secure the EDP cable and antenna cables. Figure 50. Remove the 4 screws and hinge rubbers Screw specifications Number of screws M2.0 x 2.5 Step 3.

  • Page 59: Remove The Edp Cable, Camera Board, And Microphone Board

    Figure 51. Pull out the removable tapes Step 4. Remove the LCD panel. Figure 52. Remove the LCD panel Remove the EDP cable, camera board, and microphone board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack”...
  • Page 60 Figure 53. Detach the connectors Step 2. Remove the EDP cable. Figure 54. Remove the EDP cable Step 3. Peel off the conductive tape that secures the camera board and microphone board. Chapter 4 Removing a FRU or CRU...

  • Page 61: Remove The Hinges

    Figure 55. Peel off the conductive tape Step 4. Lift up the camera board and microphone board. Then, detach the camera cable connector from the microphone board. Note: The camera board and microphone board are fragile and easily-bent. Take care when removing the boards.
  • Page 62 Figure 57. Remove the 6 screws Screw specifications Number of screws M2.5 x 2.5 Step 2. Remove the hinges. Figure 58. Remove the hinges Chapter 4 Removing a FRU or CRU...
  • Page 63 Hardware Maintenance Manual...

  • Page 64: Appendix A. Label Locations

    Table 4. All base cover labels Label Label description Applied country/region Label dimensions Rating POD label all country/region 100 mm x 30 mm GML label all country/region 16 mm x 22.5 mm © Copyright Lenovo 2019...
  • Page 65 Hardware Maintenance Manual...

  • Page 66: Trademarks

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

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Ideapad flex-15iwl

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