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Lenovo V720-14 Hardware Maintenance Manual

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Hardware Maintenance Manual
Lenovo V720–14

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Summary of Contents for Lenovo V720-14

  • Page 1 Hardware Maintenance Manual Lenovo V720–14...
  • Page 3 Hardware Maintenance Manual Lenovo V720–14...
  • Page 4 First Edition (July 2017) © Copyright Lenovo 2017.

  • Page 5: Table Of Contents

    ..and the microphone board ..Lenovo V720–14 CRU list ... Remove the LCD panel and the LCD cable . .
  • 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 2017...

  • 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

    • 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 2017...

  • Page 28: Checking The Ac Power Adapter

    • If the voltage is acceptable, do the following: a. Replace the system board. b. If the problem persists, call the Customer Support Center. Note: Noise from the ac power adapter does not always indicate a defect. Lenovo V720–14 CRU list Model: Lenovo V720–14 MT: 80Y1 Type...
  • Page 29 ac power adapter self-service power cord self-service Chapter 2 General checkout...
  • Page 30 Hardware Maintenance Manual...

  • Page 31: Chapter 3. Idetifying Frus (Crus)

    The exploded illustrations help Lenovo service technicians identify FRUs or CRUs that they may need to replace when servicing a customer’s computer. Refer to Appendix A “Lenovo part numbers for replacement FRUs” on page 49 if you need to look up Lenovo part numbers for a particular FRU or CRU.
  • Page 32 Figure 1. Lenovo V720–14 exploded view Table 1. FRU (CRU) categories FRU (CRU) category LCD module Hardware Maintenance Manual...
  • Page 33 Table 1. FRU (CRU) categories (continued) Upper case (with keyboard) Fingerprint sensor board Fingerprint bracket Heat sink System board dc-in cable I/O board bracket I/O board dc-in bracket RAM module RAM EMI shield Speakers Sponge Wireless module Solid-state drive (SSD) Battery pack Lower case Chapter 3...
  • Page 34 Figure 2. LCD module — exploded view Table 2. FRU categories for the LCD module FRU (CRU) category LCD bezel Hinge cover LCD panel WiGig cable (select models) Hinges LCD cable LCD base cover Hardware Maintenance Manual...
  • Page 35 Table 2. FRU categories for the LCD module (continued) Camera board Microphone board Chapter 3 Idetifying FRUs (CRUs)
  • Page 36 Hardware Maintenance Manual...

  • Page 37: 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 parts numbers in Appendix B “Lenovo part numbers for CRUs and miscellaneous parts” on page 55 for replacement screws and order them through the Lenovo CRM system.

  • Page 38: Remove The Battery Pack

    Step 3. remove the lower case. Figure 4. Remove the lower case Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.
  • Page 39 Step 3. Take out the battery pack. Figure 7. Take out the battery pack Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: Battery pack...

  • Page 40: Remove The Ram Module

    RAM module by pulling it away from the slot. Figure 9. Remove the RAM module Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: EMI shield...

  • Page 41: Remove The Wireless Module

    Remove the solid-state drive by pulling it away from the slot. Figure 11. Remove by pulling the solid-state drive Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts:...

  • Page 42: Remove The Speakers

    Remove the wireless module by pulling it away from the slot. Figure 14. Remove the wireless module Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts:...

  • Page 43: Remove The Lcd Module

    Step 2. Carefully remove the speakers off the piles. Figure 16. Remove speakers Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of replacement speakers. Remove the LCD module Make sure the following FRUs (CRUs) have been removed. Also make sure the antenna cables have been disconnected from the wireless module and taken out of the cable guiders.

  • Page 44: Remove The Heat Sink

    Figure 17. Disconnect the LCD cable Step 2. Remove four screws which secure the hinges to the upper case. Figure 18. Remove 4 screws Screw specifications Number of screws M2.5 x 6 Step 3. Remove the LCD module. The LCD module is not a FRU. Instead, it contains FRUs as its components. Refer to “Disassemble the LCD module”...
  • Page 45 Step 3. Remove the heat sink. Figure 21. Remove the heat sink Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: Heat sink Chapter 4...

  • Page 46: 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 31 “Remove the heat sink” on page 38 Step 1. Disconnect the cable between the I/O board and the system board. Figure 22.

  • Page 47: Remove The System Board And The Dc-In Cable

    Step 3. Remove the I/O board and bracket. Figure 24. Remove I/O board and bracket Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: I/O board...
  • Page 48 Figure 25. Disconnect the cable Step 2. Remove 7 screws. Figure 26. Remove 7 screws Screw specifications Number of screws M2.0 x 3 Step 3. Remove the system board. Hardware Maintenance Manual...

  • Page 49: Remove The Fingerprint Board

    Step 4. Remove the I/O board and bracket. Figure 28. Remove I/O board and bracket Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: System board...

  • Page 50: Disassemble The Lcd Module

    Number of screws M2.0 x 3 Step 2. Remove the fingerprint board. Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: Fingerprint board Fingerprint bracket Disassemble the LCD module The LCD module as a whole is not a FRU.

  • Page 51: Remove The Hinge Cover, The Camera Board, And The Microphone Board

    Step 2. Remove the LCD bezel. Refer to Table 4 “Part numbers for LCD FRUs” on page 53 to look up the Lenovo part numbers for the replacement LCD bezel. Remove the hinge cover, the camera board, and the microphone board Make sure the following FRUs (or CRUs) have been removed.

  • Page 52: Remove The Lcd Panel And The Lcd Cable

    Step 3. Remove the LCD panel. Step 4. Remove the LCD cable. Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: LCD panel LCD cable Refer to Appendix B “Lenovo part numbers for CRUs and miscellaneous parts”...
  • Page 53 Number of screws M2.0 x 2 Step 2. Remove hinges. Refer to Table 3 “Part numbers for FRUs (CRUs)” on page 49 to look up the Lenovo part numbers of the following replacement parts: Hinges LCD base cover Chapter 4...
  • Page 54 Hardware Maintenance Manual...

  • Page 55: Appendix A. Lenovo Part Numbers For Replacement Frus

    Appendix A. Lenovo part numbers for replacement FRUs When servicing a customer’s computer, Lenovo service technicians may use part numbers listed in the following tables to order replacement parts through Lenovo CRM (customer relationship management) system. Table 3. Part numbers for FRUs (CRUs) No.
  • Page 56 Table 3. Part numbers for FRUs (CRUs) (continued) MBC80Y1NOKI37100UDIS TCM FP WI 5B20N87825 MBC80Y1WINI37100UDIS TCM FP WI 5B20N87830 MBC80Y1NOKI57200UDISNTCMNFP WL 5B20N87809 5B20N87816 MBC80Y1WINI57200UDISNTCMNFP WL MBC80Y1NOKI57200UDISTCM NFP WL 5B20N87804 MBC80Y1WINI57200UDISTCM NFP WL 5B20N87811 MBC80Y1NOKI57200UDISNTCMNFP WI 5B20N87814 5B20N87834 MBC80Y1WINI57200UDISNTCMNFP WI MBC80Y1NOKI57200UDISTCM NFP WI 5B20N87801 MBC80Y1WINI57200UDISTCM NFP WI 5B20N87805...
  • Page 57 MBC80Y1NOKI76500UDISNTCM FP WI 5B20P37257 5B20P37282 MBC80Y1WINI76500UDISNTCM FP WI MBC80Y1NOKI76500UDIS TCM FP WL 5B20P37286 MBC80Y1WLNI76500UDIS TCM FP WL 5B20P37270 MBC80Y1NOKI76500UDISNTCM FP WL 5B20P37256 5B20P37266 MBC80Y1WLNI76500UDISNTCM FP WL MBC80Y1NOKI76500UDISTCM NFP WI 5B20P37278 MBC80Y1WINI76500UDISTCM NFP WI 5B20P37263 Appendix A. Lenovo part numbers for replacement FRUs...
  • Page 58 Table 3. Part numbers for FRUs (CRUs) (continued) MBC80Y1NOKI76500UDISNTCMNFP WI 5B20P37260 MBC80Y1WINI76500UDISNTCMNFP WI 5B20P37267 MBC80Y1NOKI76500UDISTCM NFP WL 5B20P37273 5B20P37274 MBC80Y1WLNI76500UDISTCM NFP WL MBC80Y1NOKI76500UDISNTCMNFP WL 5B20P37254 MBC80Y1WLNI76500UDISNTCMNFP WL 5B20P37289 dc-in cable DC-IN Cable C 80Y1 5C10N87321 I/O board bracket IO BD Bracket C 80Y1 5B40N87335 I/O board IO Board C 80Y1 W/cable...
  • Page 59 Lower Case C 80Y1 GREY 5CB0N87336 Note: Refer to Appendix B “Lenovo part numbers for CRUs and miscellaneous parts” on page 55 to look up the Lenovo part numbers of ac power adapters and power cords. Table 4. Part numbers for LCD FRUs No.
  • Page 60 Table 4. Part numbers for LCD FRUs (continued) LCD base cover LCD Cover C 80Y1 GREY W/Wlan Anten 5CB0N87342 LCD Cover C 80Y1 GREY W/WIGIG Ante 5CB0N87344 Camera board Camera Q 80us 2 MIC 5C20L85359 Microphone board MIC Board C 80Y1 R 5C50N87346 MIC Board C 80Y1 L 5C50N87348...

  • Page 61: Appendix B. Lenovo Part Numbers For Crus And Miscellaneous Parts

    Appendix B. Lenovo part numbers for CRUs and miscellaneous parts The power cords and ac adapters are CRUs. Table 5. Part numbers for FRUs (CRUs) CRU category Parts description Lenovo part number Screw pack Screw Pack C 80Y1 5S10N87328 Tape...
  • Page 62 Hardware Maintenance Manual...

  • Page 63: Trademarks

    Trademarks Lenovo and the “lenovo” logo are trademarks of Lenovo in the United States, other countries or both: Other company, product, or service names may be trademarks or service marks of others.

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