Lenovo V14 Hardware Maintainence Manual
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Lenovo V14 Hardware Maintainence Manual

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  • Page 1 Lenovo V14 and V15 Hardware Maintainence Manual...
  • Page 2 Note: • Before using this information and the product it supports, be sure to read the general information under “Notices” on page 68. First Edition (November 2019) © Copyright Lenovo 2019. All rights reserved. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925. © 2019 Lenovo...

  • Page 3: Table Of Contents

    Power-on password ..........23 Hard-disk password ..........23 Administrator password ........23 Power management ........24 Screen blank state ..........24 Putting the computer to sleep or shutting it down . Putting your computer to sleep ......24 Shutting down the computer ......25 Lenovo V14-ADA/Lenovo V14-IGL/Lenovo V14-IIL/Lenovo V15-ADA/Lenovo V15-IGL/ Lenovo V15-IIL ..........26 Locations ............27 Front view and right-side view ......27 Bottom and left-side view ........28 Specifications ..........29 Status indicators ........... 31 Hotkeys............32 Service tools ..........

  • Page 4: About This Manual

    • The product-specific section includes service, reference, and product-specific parts information. Important: This manual is intended only for trained servicers who are familiar with Lenovo products. Use this manual to troubleshoot problems effectively. Before servicing a Lenovo product, make sure to read all the information under “Safety information” on page 1 and “Important service information” on page 16.

  • Page 5: Safety Information

    Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service a Lenovo V14-ADA/Lenovo V14-IGL/Lenovo V14-IIL/Lenovo V15-ADA/Lenovo V15-IGL/Lenovo V15-IIL computer: • “General safety” on page 2 • “Electrical safety” on page 3 • “Safety inspection guide” on page 5 • “Handling devices that are sensitive to electrostatic discharge” on page 6 • “Grounding requirements” on page 6 • “Safety notices: multilingual translations” on page 7...

  • Page 6: General Safety

    Lenovo V14 and V15 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: • Observe a good housekeeping in the area where the machines are put during and after the maintenance. • When lifting any heavy object: 1. Make sure that you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift it. 4. Lift it by standing or pushing up with your leg muscles; this action could avoid the strain from the muscles in your back. Do not attempt to lift any object that weighs more than 16 kg (35 lb) or that you think is too heavy for you. • Do not perform any action that causes hazards to the customer, or that makes the machine unsafe.

  • Page 7: Electrical Safety

    Safety information Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges.
  • Page 8 Lenovo V14 and V15 Hardware Maintenance Manual • Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. • Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage. • Do not service the following parts with the power on when they are removed from their normal operating places in a machine: – Power supply units – Pumps – Blowers and fans – Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Caution: do not become a victim yourself.

  • Page 9: Safety Inspection Guide

    The power cord should be the type specified in the parts list. c. Insulation must not be frayed or worn. 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. 8. Check for worn, frayed, or pinched cables.

  • Page 10: Handling Devices That Are Sensitive To Electrostatic Discharge

    Lenovo V14 and V15 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Notes: 1. Use product-specific ESD procedures when they exceed the requirements noted here.

  • Page 11: Safety Notices: Multilingual Translations

    Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer. Verify this by shaking the computer and listening for rattling sounds.
  • Page 12 Lenovo V14 and V15 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short- circuit it. Dispose of the battery as required by local ordinances or regulations.
  • Page 13 Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack.
  • Page 14 Lenovo V14 and V15 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations.
  • Page 15 Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau d’affichage à...
  • Page 16 Lenovo V14 and V15 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation.
  • Page 17 Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.

  • Page 18: Important Service Information

    Lenovo V14 and V15 Hardware Maintenance Manual Important service information This chapter presents the following important service information: • “Strategy for replacing FRU” on page 14 – “Strategy for replacing a hard disk drive” on page 15 – “Important notice for replacing a system board” on page 15 • “Important information about replacing RoHS compliant FRU” on page 16 Important: BIOS and device driver fixes are customer-installable. The BIOS and device drivers are posted on the customer support site: https://support.lenovo.com.

  • Page 19: Strategy For Replacing Fru

    Strategy for replacing FRU Before replacing parts: Make sure that all software fixes, drivers, and BIOS downloads are installed before replacing any FRU listed in this manual. After a system board is replaced, ensure that the latest BIOS is loaded to the system board before completing the service action. To download software fixes, drivers, and BIOS, follow the steps below: 1. Go to https://support.lenovo.com. 2. Enter the serial number or select a product or use Lenovo smart downloading. 3. Select the BIOS/Driver/Applications and download. 4. Follow the directions on the screen and install the necessary software.

  • Page 20: Strategy For Replacing A Hard Disk Drive

    Lenovo V14 and V15 Hardware Maintenance Manual Use the following strategy to prevent unnecessary expense for replacing and servicing FRU: • If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. • Some computers have both a processor board and a system board. If you are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one. • If an adapter or a device consists of more than one FRU, any of the FRU may be the cause of the error. Before replacing the adapter or device, remove the FRU one by one to see if the symptoms change. Replace only the FRU that changed the symptoms. Attention: The setup configuration on the computer you are servicing may have been customized. Running Automatic Configuration may alter the...

  • Page 21: Important Information About Replacing Rohs Compliant Fru

    Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts.

  • Page 22: General Checkout

    Lenovo V14 and V15 Hardware Maintenance Manual General checkout This chapter presents the following information: • “What to do first” on page 18 • “Power system checkout” on page 19 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRU. • Carefully remove screws for reuse when replacing FRU. • Be extremely careful during such write operations as copying, saving, or formatting. Drives in the computer that you are servicing sequence might have been altered.

  • Page 23: What To Do First

    General checkout What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2. Date of service 3. Date on which the machine failed 4. Date of purchase 5. Procedure index and page number in which the failing FRU was detected 6. Failing FRU name and part number 7. Machine type, model number, and serial number 8. Customer’s name and address Note for warranty: During the warranty period, the customer may be responsible for repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by the customer.

  • Page 24: Power System Checkout

    Lenovo V14 and V15 Hardware Maintenance Manual Power system checkout To verify a symptom, follow the steps below: 1. Turn off the computer. 2. Remove the battery pack. 3. Connect the AC adapter. 4. Make sure that power is supplied when you turn on the computer. 5. Turn off the computer. 6. Disconnect the AC adapter and install the charged battery pack. 7. Make sure that the battery pack supplies power when you turn on the computer. If you suspect a power problem, see the appropriate one of the following power supply checkouts: • “Checking the AC adapter” on page 21 • “Checking operational charging” on page 21 • “Checking the battery pack” on page 22 Checking the AC adapter You are here because the computer fails only when the AC adapter is used. • If the power-on indicator does not turn on, check the power cord of the AC adapter for correct continuity and installation.

  • Page 25: Checking Operational Charging

    General checkout Checking operational charging To check whether the battery charges properly during operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer. Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack. If the charge indicator still does not light on, replace the system board. Then reinstall the battery pack. If it is still not charged, go to the next section. Checking the battery pack Battery charging does not start until the Power Meter shows that less than 95% of the total power remains; under this condition the battery pack can charge to 100% of its capacity. This protects the battery pack from being overcharged or from having a shortened life. To check your battery, move your cursor to the Power Meter icon in the icon tray of the Windows taskbar and wait for a moment (but do not click it), and the ®...

  • Page 26: Related Service Information

    Lenovo V14 and V15 Hardware Maintenance Manual Related service information This chapter presents the following information: • “Passwords” on page 22 • “Power management” on page 23...

  • Page 27: Passwords

    Related service information Passwords As many as three passwords may be needed for any Lenovo computer: the power-on password (POP), the hard disk password (HDP), and the administrator password. If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on. The computer does not start until the password is entered.

  • Page 28: Power Management

    Lenovo V14 and V15 Hardware Maintenance Manual Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank state If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off. You can also turn off the LCD backlight by pressing...

  • Page 29: Shutting Down The Computer

    Related service information Shutting down the computer If you are not going to use your computer for a long time, shut it down. To shut down your computer, do one of the following: • Move the cursor to the lower-left corner, and then select the Start button. Select Power → Shut down. • Right-click the Start button in the lower-left corner and select Shut down or sign out → Shut down.

  • Page 30: Lenovo V14-Ada/Lenovo V14-Igl/Lenovo V14-Iil/Lenovo V15-Ada/Lenovo V15-Igl/ Lenovo V15-Iil

    Lenovo V14 and V15 Hardware Maintenance Manual Lenovo V14-ADA/Lenovo V14-IGL/Lenovo V14-IIL/ Lenovo V15-ADA/Lenovo V15-IGL/Lenovo V15-IIL This chapter presents the following product-specific service references and product-specific parts information: • “Locations” on page 26 • “Specifications” on page 25 • “Status indicators” on page 27 • “Hotkeys” on page 28 • “FRU replacement notices” on page 29 • “Removing and replacing an FRU” on page 30 • “Locations” on page 27 • “Parts list” on page 34...

  • Page 31: Locations

    Lenovo V14 and V15 Hardware Maintenance Manual Locations Front view and right-side view 1 Microphone 2 Camera 3 Camera light 4 Wireless LAN/Bluetooth antennas 5 Screen 6 Power Key 7 SD card slot 8 Audio connector 9 Novo button 10 Touchpad Figure 1. F ront view and right-side view...

  • Page 32: Bottom And Left-Side View

    Lenovo V14 and V15 Hardware Maintenance Manual Bottom and left-side view 1 Ventilation slots 2 ac power adapter jack 3 Charging light 4 HDMI connector 5 USB 2.0 connector 6 USB 3.1 connector Gen 1 7 Power light 8 Speakers Figure 2. Bottom and left-side view...

  • Page 33: Specifications

    Lenovo V14 and V15 Hardware Maintenance Manual Specifications The following table lists the specifications of the Lenovo V14-ADA/Lenovo V14-IGL/Lenovo V14-IIL/Lenovo V15-ADA/Lenovo V15-IGL/Lenovo V15- IIL: Table 1. Specifications Form Factor 14-inch models: Approximately 327.1 mm (12.87 inches) x 241 mm (9.48 inches) x 19.9 mm (0.78 inches) Dimensions 15-inch models: Approximately 362.2 mm (14.25 inches) x 251.5 (9.90 inches) x 19.9 mm (0.78 inches) Weight Approximately 2.0 kg with battery 14-inch models: 355.6 mm (14.0 inches) LCD size 15-inch models: 396.2 mm (15.6 inches) Processor...
  • Page 34 Lenovo V14 and V15 Hardware Maintenance Manual Table 1. Specifications (continued) Display Display resolution 1366 × 768 pixels HD/1920 × 1080 pixels FHD LCD backlight I/O Ports USB 3.1 connector Gen 1 × 2, USB 2.0 x 1 Audio Combo audio jack × 1 Video/Audio HDMI slot × 1 Memory card slot SD card x 1 Battery pack Type Polymer Cells/Capacity 2 cells, 30 Wh/35 Wh Note: The capacity given here is the typical or average capacity as measured in a specific test environment. Capacities measured in other environments may differ but are no lower than the rated capacity (see product label). ac power adapter Input 100-240 V, 50-60 Hz O utput voltage 20 V DC •...

  • Page 35: Status Indicators

    Lenovo V14 and V15 Hardware Maintenance Manual Status indicators The system status indicators below show the computer status: Table 2. Status indicators ac power Indicator status Meaning adapter status The computer is not connected to ac Disconnected power. The battery has between 1% and Amber 90% charge and is still charging. Connected The battery has between 91% and White 100% charge. Indicator Indicator status Meaning The computer is on (battery power White (solid on) 21%-100%). White (fast The computer is on (battery power blinking) 1%-20%).

  • Page 36: Hotkeys

    Lenovo V14 and V15 Hardware Maintenance Manual Hotkeys You can access certain system settings quickly by pressing the appropriate hotkeys. Table 3. Hotkeys Mute/unmute sound. Turn on/off airplane mode. Enable/Disable the Decrease system volume. integrated camera. Lock/Unlock the LCD Increase system volume. screen. Enable the external Enable/Disable the projector or dangle the integrated microphone. external display. Decrease display Refresh page. brightness. Enable/Disable the Increase display touchpad. brightness.

  • Page 37: Service Tools

    Lenovo V14 and V15 Hardware Maintenance Manual Service tools The following table lists tools for servicing Lenovo computers. Tools with a cross mark are needed for servicing the product model as described by this publication. Prepare them before you service the product. Table 4. Service tools Service tool and consumable Model applicability Screw driver (Phillips head) Screw driver (Torx head) (T5) Screw driver (Torx head) (T30) Pry tool 1 Tweezers (conductive) Tweezers (isolated) Suction cup Hexagonal socket Silicone grease Polyamide tape Mylar tape Electrical tape Double-sided tape Conductive tape Eraser Heat gun Brown brush Note: •...

  • Page 38: Parts List

    Each FRU is available for all types or models, unless specific types or models are specified. Attention: Do not attempt to replace an FRU on your own. If an FRU is damaged, contact a Lenovo authorized servicer or a marketing representative for replacement or repair. Only qualified technicians can inspect or repair this product.

  • Page 39: Overall

    Lenovo V14 and V15 Hardware Maintenance Manual Overall Figure 3. Lenovo V14 and V15 exploded view...
  • Page 40 Lenovo V14 and V15 Hardware Maintenance Manual Table 5. FRU (CRU) category FRU (CRU) category Self-service CRU Optional-service CRU Upper case (with keyboard) Hinge cap WLAN card Thermal module and Hard disk drive (HDD) Solid-state drive (SSD) Memory Lower case Battery Hard disk drive (HDD) bracket CMOS battery Hard disk drive (HDD) board connector System board I/O board FCC I/O board...

  • Page 41: Lcd Fru

    Lenovo V14 and V15 Hardware Maintenance Manual LCD FRU In Lenovo V14 and V15, there is following type of LCD: Figure 4 . Lenovo V14 and V15 exploded view...
  • Page 42 Lenovo V14 and V15 Hardware Maintenance Manual Table 6. FRU categories for the LCD module FRU (CRU) category Self-service CRU Optional-service CRU LCD bezel Hinge cap LCD panel Integrated camera LCD cable LCD cover Wifi antenna Hinge bracket* Removable tapes* *Not shown in the illustration.

  • Page 43: Fru Replacement Notices

    Lenovo V14 and V15 Hardware Maintenance Manual FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo computer, this problem is addressed with special nylon-coated screws that have the following characteristics: • They maintain tight connections. • They do not easily come loose, even with shock or vibration.

  • Page 44: Removing And Replacing Fru

    Lenovo V14 and V15 Hardware Maintenance Manual Removing and replacing FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer unless you have been trained and certified. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, review “FRU replacement notices” on page 31. 3. Begin by removing FRU that has to be removed before the failing FRU. Any of such FRU are listed at the top of the page. Remove them in the order in which they are listed. 4. Follow the correct sequence in the steps to remove the FRU, as given in the figures by the numbers in square callouts. 5. When turning a screw to replace an FRU, turn it in the direction as given by the arrow in the figure. 6. When removing the FRU, move it in the direction as given by the arrow in the figure. 7. To put the new FRU in place, reverse the removal procedures and follow any of the notes that pertain to replacement. For information about connecting and arranging internal cables, see “Locations” on page 27.

  • Page 45: 1010 Base Cover

    Lenovo V14 and V15 Hardware Maintenance Manual 1010 Base cover Step 1: Remove the screws 1 and 2. Figure 5. Remove the screws Step Screw (quantity) Color Torque M2.5 × 7 mm, Phillips-head, nylok-coated Black/ 3.0+/-0.3 kgf/cm (6) Silver M2.5 × 4 mm, Flat-head, nylok-coated (4) Black 3.0+/-0.3 kgf/cm...
  • Page 46 Lenovo V14 and V15 Hardware Maintenance Manual Step 2: Remove the base cover in the directions shown by arrows 2 and 3. Figure 6. Remove the base cover...

  • Page 47: 1020 Battery Pack

    Lenovo V14 and V15 Hardware Maintenance Manual 1020 Battery pack DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. For access, remove the FRU in following order: • “1010 Base cover” on page 41 Step 1: Detach cables from the battery pack connector in the direction shown by arrow 1. Step 2: Remove the screws 2. Figure 7. Detach cables and remove the screws...
  • Page 48 Lenovo V14 and V15 Hardware Maintenance Manual Step 3: Remove the battery pack in the direction shown by arrow 3. Figure 8. Remove the battery pack...

  • Page 49: 1030 Ssd

    Lenovo V14 and V15 Hardware Maintenance Manual 1030 SSD For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 Step 1: Remove the screw 1. Figure 9. Remove the screws Step Screw (quantity) Color Torque M2 × 6 mm, Phillips-head, nylok-coated (1) Black 1.85+/-0.15 kgf/ Step 2: Remove the SSD in the direction shown by arrow 2. Figure 10. Remove the SSD...

  • Page 50: 1040 Dimm

    Lenovo V14 and V15 Hardware Maintenance Manual 1040 DIMM For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 Step 1: Release the two latches on both edges of the socket at the same time in the directions shown by arrows 1. Step 2: Unplug the DIMM in the direction shown by arrow 2. Figure 11. Release the latch and remove the DIMM...

  • Page 51: 1050 Hard Disk Drive

    Lenovo V14 and V15 Hardware Maintenance Manual 1050 Hard disk drive For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. • Before removing the drive, suggest the customer to backup all the information on it if possible.
  • Page 52 Lenovo V14 and V15 Hardware Maintenance Manual Step 3: Release the latch on the connector as shown by arrow 3. Step 4: Disconnect the cable from the connector as shown by arrow 4. Step 5: Remove the HDD board in the direction shown by arrow 5. Figure 13. Disconnect the cable and remove the HDD board When installing: Make sure that the HDD cable is firmly connected to the connector. Step 6: Detach the bracket from the hard disk drive.

  • Page 53: 1060 Pci Express Mini Card For Wireless Lan

    “1020 Battery pack” on page 43 Important: The preinstalled WLAN module may only be replaced with a Lenovo approved module in order to comply with FCC and IC regulations. Refer to Table 4 “Parts list—Overall” on page 35 for Lenovo part numbers for the approved modules.
  • Page 54 Lenovo V14 and V15 Hardware Maintenance Manual Step 3: Remove the PCI express mini card in the direction shown by arrow 3. Figure 15. Disconnect the cable and remove the HDD board When installing: • Wireless LAN card with two antenna connectors: Plug the black cable (1st) (MAIN) into the jack labeled MAIN, and the grey cable (2nd) (AUX) into the jack labeled AUX on the card. • Wireless LAN card with three antenna connectors: Plug the black cable (1st) (MAIN) into the jack labeled 1, the grey cable (3rd) into the jack labeled 3, and the white cable (2nd) (AUX) into the jack labeled 2 on the card.

  • Page 55: 1070 Fan Assembly And Heat Sink Assembly

    Lenovo V14 and V15 Hardware Maintenance Manual 1070 Fan assembly and Heat Sink assembly For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 Step 1: Release the cables from the cable guides in the direction shown by arrows 1. Figure 16. Release the cables When installing: Route the antenna cables along the cable guides. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be...
  • Page 56 Lenovo V14 and V15 Hardware Maintenance Manual Step 2: Unplug the fan connector in the direction shown by arrow 2. Step 3: Remove the screws 3. Figure 17. Unplug the fan connector and remove the screws Step Screw (quantity) Color Torque M2 × 6 mm, Phillips head, nylok-coated (3) Black 1.85+/-0.15 kgf/ When installing: Make sure that the connector is attached firmly. Step 4: Remove the fan in the direction shown by arrow 4. Be careful not to damage the connector. Figure 18. Remove the fan...
  • Page 57 Lenovo V14 and V15 Hardware Maintenance Manual Step 5: Remove the screws 5. Figure 19. Remove the screws Step Screw (quantity) Color Torque M2 × 6 mm, Phillips head, nylok-coated (6) Black 1.85+/-0.15 kgf/ Step 6: Lift the heat sink in the direction shown by arrow 6. Figure 20. Remove the heat sink...

  • Page 58: 1080 I/O Board

    Lenovo V14 and V15 Hardware Maintenance Manual 1080 I/O board For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 Step 1: Disconnect the speaker cable from the connector as shown by arrow 1. Step 2: Disconnect the mainboard cable from the connector as shown by arrow 2. Figure 21. Disconnect the speaker cable and mainboard cable Step 3: Remove the screws 3. Step 4: Remove the I/O board in the direction shown by arrow 4. Figure 22. Remove the screws and the I/O board Step Screw (quantity)

  • Page 59: 1090 Backup Battery

    Lenovo V14 and V15 Hardware Maintenance Manual 1090 Backup battery For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 Step 1: Disconnect the backup battery cable in the direction shown by arrow 1. Figure 23. Disconnect the backup battery cable...
  • Page 60 Lenovo V14 and V15 Hardware Maintenance Manual Step 2: Remove the backup battery in the direction shown by arrow 2. Figure 24. Remove the backup battery When installing: Make sure that the backup battery cable is attached firmly to the connector.

  • Page 61: 1100 System Board

    Lenovo V14 and V15 Hardware Maintenance Manual 1100 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.

  • Page 62: Step 3: Remove The Screws

    Lenovo V14 and V15 Hardware Maintenance Manual Step 2: Remove the screws 3. Figure 26. Remove the screws Step Screw (quantity) Color Torque M2 × 3 mm, Phillips-head, nylok-coated (5) Silver 1.85+/-0.15 kgf/ Step 3: Remove the system board in the direction shown by arrow 4. Figure 27. Remove the system board...

  • Page 63: 1110 Upper Case

    Lenovo V14 and V15 Hardware Maintenance Manual 1110 Upper case For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 Step 1: Remove the screws 1. Figure 28. Remove the screws Step Screw (quantity) Color Torque M2.5 × 5 mm, Phillips-head, nylok-coated (4) 3+/-0.3 kgf/cm Black...
  • Page 64 Lenovo V14 and V15 Hardware Maintenance Manual Step 2: Release the latch on the connector as shown by arrow 2. Step 3: Disconnect the LCD cable from the connector as shown by arrow 3. Figure 29. Open the hinge Step 4: Open the hinge in the direction shown by arrows 4. Figure 30. Open the hinge...
  • Page 65 Lenovo V14 and V15 Hardware Maintenance Manual Step 5: Remove the upper case from the LCD module in the direction shown by arrow 5. Figure 31. Remove the upper case...

  • Page 66: 1120 Lcd Unit

    Lenovo V14 and V15 Hardware Maintenance Manual 1120 LCD unit For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 • “1110 Upper case” on page 59 Step 1: Remove the hinge cover in the direction shown by arrow 1. Figure 32. Remove the hinge cover Step 2: Remove the LCD bezel in the direction shown by arrows 2. Figure 33. Remove the LCD bezel...
  • Page 67 Lenovo V14 and V15 Hardware Maintenance Manual Step 3: Remove the screws 3. Step 4: Lift the LCD module and hinge together as shown by arrow 4. Figure 34. Remove the screws Step Screw (quantity) Color Torque M2 × 3 mm, Phillips-head, nylok-coated (10) Silver 1.85+/-0.15 kgf/ Step 5: Disconnect the cable in the direction shown by arrow 5. Figure 35. Disconnect the cable...
  • Page 68 Lenovo V14 and V15 Hardware Maintenance Manual Step 6: Pull out the stretch adhesive tape on the hinge from the rear. Refer to the illustration below for location of the stretch adhesive tape. Remove the LCD hinges in the direction shown by arrows 6. Figure 36. Pull out the stretch adhesive When installing: Make sure that the connector is attached firmly and that you do not pinch the antenna cables when you attach the LCD assembly. Route the LCD cable along the cable guides.

  • Page 69: 1130 Integrated Camera And Antenna Assembly 6

    Lenovo V14 and V15 Hardware Maintenance Manual 1130 Integrated camera and antenna assembly For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 • “1110 Upper case” on page 59 • “1120 LCD unit” on page 62 Note: The integrated camera is stuck on the top center of the LCD cover. Step 1: Remove the integrated camera in the direction shown by arrow 1. Figure 37. Remove the integrated camera When installing: Stick the integrated camera to the top center of the LCD...
  • Page 70 Lenovo V14 and V15 Hardware Maintenance Manual Step 2: Peel off the adhesive tape securing the antenna boards. Step 2: Release the cables from the cable guide. Step 3: Remove the antenna assembly in the direction shown by arrow 2. Figure 38. Remove the antenna assembly...

  • Page 71: 1140 Wifi Antenna

    Lenovo V14 and V15 Hardware Maintenance Manual 1140 Wifi antenna For access, remove the FRU in following order: • “1010 Base cover” on page 41 • “1020 Battery pack” on page 43 • “1110 Upper case” on page 59 • “1120 LCD unit” on page 62 Step 1: Remove the wifi antenna in the direction shown by arrow 1. Figure 39. Remove the wifi antenna When installing: Stick the integrated camera to the top center of the LCD cover and adjust its placement to make sure the connector is attached firmly.

  • Page 72: Notices

    Lenovo V14 and V15 Hardware Maintenance Manual Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead. However, it is the...

  • Page 73: Trademarks

    Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary. Users of this document should verify the applicable data for their specific environment. Trademarks The following terms are trademarks or registered trademarks of Lenovo in the United States, other countries, or both. Lenovo Microsoft and Windows are trademarks of Microsoft Corporation in the United States, other countries, or both. Other company, products, or service names may be trademarks or service...

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