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Lenovo ThinkPad Yoga 12 Hardware Maintenance Manual
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Lenovo ThinkPad Yoga 12 Hardware Maintenance Manual

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ThinkPad Yoga 12

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  • Page 1 Hardware Maintenance Manual ThinkPad Yoga 12...
  • Page 2 Appendix A “Notices” on page 103. First Edition (January 2015) © Copyright Lenovo 2015. 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.

  • Page 3: Table Of Contents

    Checkout guide ....Locating computer controls, connectors, and Lenovo Solution Center ..indicators....
  • Page 4 2020 Windows home-button board ..1010 Lenovo OneLink connector cover ..2030 LCD hinges ....1020 Base cover assembly ..

  • Page 5: About This Manual

    Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 19. © Copyright Lenovo 2015...
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    Do not use this type of mat to protect yourself from electrical shock. © Copyright Lenovo 2015...

  • Page 8: Safety Inspection Guide

    • Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can then operate the switch or unplug the power cord quickly. • Do not work alone under hazardous conditions or near equipment that has hazardous voltages. •...

  • Page 9: Handling Devices That Are Sensitive To Electrostatic Discharge

    0.1 ohm or less between the external ground pin and the frame ground. b. The power cord should be the authorized type specified for your computer. Go to: http://www.lenovo.com/serviceparts-lookup c. Insulation must not be frayed or worn. 4. Check for cracked or bulging batteries.

  • Page 10: Grounding Requirements

    – When working on a double-insulated or battery-operated system, use an ESD common ground or reference point. You can use coax or connector-outside shells on these systems. – Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function.
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT 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. Important Service Information

    UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone • System Disassembly/Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in the following support site: http://www.lenovoservicetraining.com/ion/...

  • Page 26: Important Notice For Replacing A System Board

    Dynamic Configure To Order (CTO) This model provides the ability for a customer to configure a Lenovo solution from a web site, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label and eSupport will load these products as the 4-character MT, 4-character model and 2-character country code.

  • Page 27: Fru Identification

    20AA0009UK). FRU identification Use Lenovo eSupport to identify major FRUs, FRU part numbers, and FRU descriptions for a product at an MT - serial number level. Examples of major FRUs are hard disk drive, system board, and liquid crystal display (LCD).
  • Page 28 Hardware Maintenance Manual...

  • Page 29: Chapter 3. General Checkout

    This chapter introduces following information: • “What to do first” on page 23 • “Checkout guide” on page 24 – “Lenovo Solution Center” on page 24 – “Quick test programs” on page 24 – “UEFI diagnostic program” on page 25 –...

  • Page 30: Checkout Guide

    The Lenovo Solution Center program is available for download at http://www.lenovo.com/diags. To run the Lenovo Solution Center program, go to Control Panel and click System and Security ➙ Lenovo - System Health and Diagnostics, and then follow the instructions on the screen.

  • Page 31: Uefi Diagnostic Program

    • Microsoft Windows Server 2003 • Microsoft Windows Server 2008 To download and install a quick test program, go to http://www.lenovo.com/diags and follow the instructions on the Web site. To run a test using a quick test program, do the following: 1.

  • Page 32: Bootable Diagnostic Programs

    If the computer you are servicing is not installed with the UEFI diagnostic program, you can download a bootable diagnostic program from the Lenovo Support Web site. The bootable diagnostic program enables you to view system information and test some hardware devices in your computer, such as memory, storage devices, the LCD, and system board buses.

  • Page 33: Power System Checkout

    This computer supports only batteries specially designed for this specific system and manufactured by Lenovo or an authorized builder. The system does not support unauthorized batteries or batteries designed for other systems. If an unauthorized battery or a battery designed for another systems is installed, the system will not charge.

  • Page 34: Checking The Coin-Cell Battery

    To check for detailed battery status information, do the following: • For Windows 7: Open the Power Manager program and click the Battery tab. • For Windows 8.1: Open the Lenovo Support program and click Battery Health, or open the Lenovo Settings program and click Power.

  • Page 35: Chapter 4. Related Service Information

    “Symptom-to-FRU index” on page 35 Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/support Restoring the factory contents by using the product Recovery Disc Set When the main storage device is replaced because of a failure, no product recovery program is on the new drive.

  • Page 36: Using The Windows Recovery Programs On The Windows 8.1 Operating System

    9. When the recovery process completes, the Welcome to Microsoft Windows screen is displayed. Follow the instructions on the screen to complete the Windows setup. 10. After you have completed the Windows setup, you might want to restore the original startup sequence. Start the ThinkPad Setup program and then press F9 to restore the default settings.

  • Page 37: Using The Advanced Startup Options

    • To perform a complete format, click Fully clean the drive to start the process. The process will take several hours. 4. Follow the instructions on the screen to reset your computer to the factory default settings. Using the advanced startup options With the advanced startup options, you can change the firmware settings of the computer, change the startup settings of the Windows operating system, start the computer from an external device, or restore the Windows operating system from a system image.

  • Page 38: Passwords

    Important: If you clear the Copy the recovery partition from the PC to the recovery drive. option, you will create recovery media without the recovery partition content. You still can start the computer from the recovery media, but you might be unable to recover your computer if the recovery partition on your computer is damaged.

  • Page 39: Hard Disk Password

    If it has, it can be used for access to the hard disk drive. If no master hard disk password is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master hard disk password, or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.

  • Page 40: How To Remove The Hard Disk Password

    To put the system back to operational status, the only Lenovo and Lenovo-authorized service solution would be to replace the hard disk drive or solid-state drive with a scheduled fee.

  • Page 41: Hibernation Mode

    • For Windows 8.1: Go to the desktop and move your pointer to the top-right or bottom-right corner of the screen to bring up the charms. Then click Settings ➙ Power ➙ Sleep. In certain circumstances, the computer goes into sleep mode automatically: •...

  • Page 42: Numeric Error Codes

    The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or action, in sequence.”...

  • Page 43: Error Messages

    Thermal sensing error. Replace the system board. This system does not support batteries that are not Replace the battery. genuine Lenovo-made or authorized. The system will continue to boot, but may not charge unauthorized batteries. Attention: Lenovo has no responsibility for the...

  • Page 44: No-Beep Symptoms

    LCD technology, but excessive pixel problems can cause viewing concerns.If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced. Notes: •...

  • Page 45: Intermittent Problems

    Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a problem recurs. When analyzing an intermittent problem, do the following: 1.
  • Page 46 Hardware Maintenance Manual...

  • Page 47: Chapter 5. Status Indicators

    Chapter 5. Status indicators This chapter presents the status indicators that show the status of the computer. © Copyright Lenovo 2015...
  • Page 48 Table 7. Status indicators Indicator Meaning Fn Lock indicator Off: The Fn Lock function is disabled. To initiate the special function printed as an icon on each key, press the corresponding function key directly. To input F1- F12, press the Fn key and the corresponding function key. On: The Fn Lock function is enabled.

  • Page 49: Chapter 6. Function Keys

    Fn key and the corresponding function key. Controls the keyboard backlight. There are three modes for the keyboard backlight: Off, Low, and High. Press Fn+Spacebar to change the modes of the keyboard backlight. © Copyright Lenovo 2015...
  • Page 50 Table 8. Function keys (continued) Function key and key Description combination Fn+B Has the same function as the Break key on a conventional keyboard. Fn+P Has the same function as the Pause key on a conventional keyboard. Fn+S Has the same function as the SysRq key on a conventional keyboard. Fn+K Has the same function as the ScrLK key on a conventional keyboard.

  • Page 51: Chapter 7. Locations

    TrackPoint buttons ThinkPad trackpad ® ® TrackPoint pointing stick Windows button Multi-touch screen : The indicator in the ThinkPad logo and the indicator in the center of the power button show the system status of the computer. © Copyright Lenovo 2015...

  • Page 52: Rear View

    Blinks fast: The computer is entering hibernation mode. Rear view Fan louvers ac power connector Lenovo OneLink connector Always On USB 3.0 connector Audio connector System-status indicator : The indicator in the ThinkPad logo and the indicator in the center of the power button show the system status of the computer.

  • Page 53: Bottom View

    CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/support.

  • Page 54: Major Frus

    Major FRUs Table 9. Major FRUs FRU descriptions Self-service Optional service Mylar for the keyboard assembly, see “Miscellaneous parts and other FRUs” on page 51 Pen holder for digitizer model, see “Miscellaneous parts and other FRUs” on page 51 Dummy pen for non-Digitizer model, see “Miscellaneous parts and other FRUs”...
  • Page 55 FRU descriptions Self-service Optional service Thermal fan assembly System board Speaker assembly Hard disk drive or solid-state drive Base cover assembly Battery Coin-cell battery Wireless-LAN card M.2 solid-state drive P sensor Lenovo OneLink connector cover Keyboard TrackPoint cap Chapter 7 Locations...

  • Page 56: Lcd Frus

    LCD FRUs Table 10. LCD FRUs No. FRU descriptions Self-service Optional service LCD-hinge rubber clips, see “Miscellaneous parts and other FRUs” on page 51 LCD screw cap, see “Miscellaneous parts and other FRUs” on page 51 LCD panel or LCD panel with digitizer board Camera/microphone card Sensor card LCD hinges...

  • Page 57: Miscellaneous Parts And Other Frus

    Table 10. LCD FRUs (continued) No. FRU descriptions Self-service Optional service LCD rear-cover assembly Camera/microphone cable or camera/digitizer/microphone cable Windows home-button board LCD bezel Miscellaneous parts and other FRUs Table 11. Miscellaneous part FRU descriptions Self-service Optional service Screw kit System miscellaneous parts •...

  • Page 58: Looking Up Fru Information

    Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup Hardware Maintenance Manual...

  • Page 59: Chapter 8. Fru Replacement Notices

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual can be found at http://www.lenovo.com/support.

  • Page 60: Retaining Serial Numbers

    ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance Key. Note: Only an authorized Lenovo service technician can access the above Web site.

  • Page 61: Retaining The Uuid

    ThinkPad Setup program is set to UEFI Only. 1. Connect a USB memory key to the computer. 2. Go to http://www.lenovo.com/maintenanceutilities and follow the instructions on the screen to create a Maintenance key. Note: Only an authorized Lenovo service technician can access the above Web site.
  • Page 62 Hardware Maintenance Manual...

  • Page 63: Chapter 9. Removing Or Replacing A Fru

    Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You can find a list of CRUs for your product in this Hardware Maintenance Manual. An electronic version of this manual is available for downloading at http://www.lenovo.com/support.

  • Page 64: Before Servicing The Computer

    1010 Lenovo OneLink connector cover Removal steps of the Lenovo OneLink connector cover Remove the connector cover as shown in the following illustration. Note: Ensure that you reattach the connector cover to the Lenovo OneLink connector after finishing the servicing. 1020 Base cover assembly...
  • Page 65 Torque Step Screw (quantity) Color M2 × 5 mm, flat-head, nylon-coated (10) Black 0.181 Nm (1.85 kgf-cm) Applying labels to the base cover assembly The new base cover assembly FRU is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover assembly.

  • Page 66: 1030 Speaker Assembly

    The only exception to this is if the battery is physically damaged or a customer is reporting a possible safety issue. If the Lenovo Solution Center program is not installed on the computer, the customer should download and install the program to diagnose the battery, before getting a non-physically damaged battery replaced. Note that the replacement of a physically damaged battery is not covered by the warranty.

  • Page 67: 1050 Hard Disk Drive Or Solid-State Drive

    Removal steps of the battery DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode. Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) 1050 Hard disk drive or solid-state drive For access, remove this FRU: •...

  • Page 68: M2 × 4 Mm, Flat-Head, Nylon-Coated

    • Never remove the drive while the system is operating or in suspend mode. For models without a digitizer pen Removal steps of the hard disk drive or solid-state drive Step Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm)
  • Page 69 Removal steps of the hard disk drive bracket or solid-state drive bracket Step Screw (quantity) Color Torque 0.392 Nm M3 × 3 mm, flat-head, nylon-coated (4) Silver (4.0 kgf-cm) Chapter 9 Removing or replacing a FRU...
  • Page 70 For models with a digitizer pen Removal steps of the hard disk drive or solid-state drive Torque Step Screw (quantity) Color M2 × 4 mm, flat-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the hard disk drive or solid-state drive is firmly attached. Removal steps of the hard disk drive bracket or solid-state drive bracket Hardware Maintenance Manual...

  • Page 71: 1060 Wireless-Lan Card

    Step Screw (quantity) Color Torque 0.392 Nm M3 × 3 mm, flat-head, nylon-coated (4) Silver (4.0 kgf-cm) 1060 Wireless-LAN card For access, remove this FRU: • “1020 Base cover assembly” on page 58 Removal steps of the wireless-LAN card Torque Step Screw (quantity) Color...
  • Page 72 When installing: Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. Notes: 1. Plug the gray cable into the connector labeled MAIN or 1 on the card; and plug the black cable into the connector labeled AUX or 2 on the card.

  • Page 73: 1070 M.2 Solid-State Drive

    • Ensure that you partition the M.2 solid-state drive after installing it on the computer you are servicing. Otherwise, the M.2 solid-state drive will not function correctly. For instructions on how to partition an M.2 solid-state drive, go to: http://www.lenovo.com/support/msata-fru Chapter 9 Removing or replacing a FRU...

  • Page 74: 1080 Hard-Disk-Drive/Buttons Card And Hard-Disk-Drive/Buttons Cable

    Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 1080 Hard-disk-drive/buttons card and hard-disk-drive/buttons cable For access, remove these FRUs: • “1020 Base cover assembly” on page 58 • “1050 Hard disk drive or solid-state drive” on page 61 Hardware Maintenance Manual...

  • Page 75: 1090 P Sensor

    Removal steps of the hard-disk-drive/buttons card Step Screw (quantity) Color Torque 0.181 Nm M2 × 4 mm, flat-head, nylon-coated (1) Silver (1.85 kgf-cm) Removal steps of the hard-disk-drive/buttons cable 1090 P sensor For access, remove these FRUs in order: • “1020 Base cover assembly”...

  • Page 76: 1100 System Board

    Removal steps of the P sensor 1100 System board Important notices for handling the system board When handling the system board, read the following: • The system board has an accelerometer, which can be broken when several thousands of G-forces are applied.
  • Page 77 Attention: The Microprocessor , which is soldered on the system board, is extremely sensitive. When you service the system board, avoid any kind of rough handling. Removal steps of the system board 1. Detach the connectors. Chapter 9 Removing or replacing a FRU...
  • Page 78 2. Remove the screws. Torque Step Screw (quantity) Color M2.5 × 4 mm, flat-head, nylon-coated (1) Silver 0.392 Nm (4.0 kgf-cm) 0.181 Nm M2 × 4 mm, flat-head, nylon-coated (7) Silver (1.85 kgf-cm) 3. Remove the screws and the dc-in bracket Step Screw (quantity) Color...
  • Page 79 4. Release the coin-cell battery from the keyboard 21 22 , then lift the system board from the left side and then remove the system board. When installing: Ensure that all the connectors are attached firmly to the system board. Notes: •...

  • Page 80: 1110 Coin-Cell Battery

    1110 Coin-cell battery For access, remove these FRUs in order: • “1020 Base cover assembly” on page 58 • “1030 Speaker assembly” on page 60 • “1040 Battery” on page 60 • “1050 Hard disk drive or solid-state drive” on page 61 •...

  • Page 81: 1120 Thermal Fan Assembly

    Removal step of the coin-cell battery When installing: Ensure that the coin-cell battery connector is attached firmly. 1120 Thermal fan assembly For access, remove these FRUs in order: • “1020 Base cover assembly” on page 58 • “1030 Speaker assembly” on page 60 •...

  • Page 82: Removal Steps Of Thermal Fan Assembly

    Removal steps of the thermal fan assembly 1. Detach the connector . Then loosen the screws in ascending alphabetical order ( ) as shown. 2. Remove the thermal fan assembly When installing: • Always wear fingerstalls when handling the thermal fan assembly. Do not touch or hold any part of the thermal fan assembly with bare fingers.

  • Page 83: 1130 Keyboard Assembly

    • Do not touch the thermal grease. • Do not press, touch, or rotate the fan impeller. • Do not touch the fan inlet hole. • Do not twist or pull the cable of the thermal fan assembly. • Do not apply pressure on the top and base covers of the thermal fan assembly. •...
  • Page 84 1. Pivot the LCD unit to the position as shown , then release the LCD cable and the wireless-LAN cables Hardware Maintenance Manual...
  • Page 85 2. Remove the screws. Step Screw (quantity) Color Torque M2 × 2.5 mm, flat-head, nylon-coated (10) Silver 0.181 Nm (1.85 kgf-cm) M2 × 1.7 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) 3. Lift the keyboard assembly and remove it Chapter 9 Removing or replacing a FRU...

  • Page 86: Installation Steps Of Keyboard Assembly

    4. Remove the dc-in bracket Installation steps of the keyboard assembly To install the keyboard assembly, do the following: Note: Ensure that you install the keyboard assembly from the left side first. Hardware Maintenance Manual...
  • Page 87 1. Install the dc-in bracket 2. Install the left side of the keyboard assembly under the left hinge Chapter 9 Removing or replacing a FRU...
  • Page 88 3. Install the hook on the left side of the keyboard assembly to the left-hinge pin 4. Install the hook on the right side of the keyboard assembly to the right-hinge pin . Then install the right side of the keyboard assembly under the right hinge Hardware Maintenance Manual...

  • Page 89: 1140 Keyboard Bezel Assembly And The Lcd Unit

    5. Install the screws. Step Screw (quantity) Color Torque M2 × 1.7 mm, flat-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) M2 × 2.5 mm, flat-head, nylon-coated (10) Silver 0.181 Nm (1.85 kgf-cm) 1140 Keyboard bezel assembly and the LCD unit For access, remove these FRUs in order: •...
  • Page 90 Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 4 mm, flat-head, nylon-coated (3) (4.0 kgf-cm) 2. Pivot the LCD unit as shown , and then remove the LCD unit When installing: Ensure that you route the cables firmly and tape them up in the proper positions. Hardware Maintenance Manual...

  • Page 91: 2010 Lcd Bezel Assembly

    Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken. 2010 LCD bezel assembly Removal steps of the LCD bezel assembly Step Screw Cap Screw (quantity)

  • Page 92: 2020 Windows Home-Button Board

    2020 Windows home-button board Removal steps of the Windows home-button board • “1140 Keyboard bezel assembly and the LCD unit” on page 83 • “2010 LCD bezel assembly” on page 85 Hardware Maintenance Manual...

  • Page 93: 2030 Lcd Hinges

    Step Screw (quantity) Color Torque M2 × 2.5 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 2030 LCD hinges For access, remove these FRUs in order: • “1140 Keyboard bezel assembly and the LCD unit” on page 83 • “2010 LCD bezel assembly”...
  • Page 94 Removal steps of the LCD hinges 1. Remove the screws , and then remove the LCD hinges Torque Step Screw (quantity) Color M2.5 × 3 mm, wafer-head, nylon-coated (4) Black 0.392 Nm (4.00 kgf-cm) 2. Remove the LCD-hinge rubber clips with the cables from the LCD hinges Hardware Maintenance Manual...
  • Page 95 Installation steps of the LCD hinges Notes: • The LCD-hinge rubber clips vary by model. For models with a digitizer pen, use A-L/A-R LCD hinges and A-L/A-R rubber clips. For models without a digitizer pen, use B-L/B-R LCD hinges and B-L/B-R rubber clips.
  • Page 96 1. Note the orientations of the rubber clips. Install the rubber clips to the cables as shown 2. Install the cables with rubber clips to the LCD hinges Note: Ensure that the LCD hinges and rubber clips are the correct type and are paired correctly. Hardware Maintenance Manual...
  • Page 97 3. Use the cable-routing tool to push each rubber clips to the position as shown 7 mm (0.28 inch) 4. For each hinge, pull the cables with 50g strength in the direction as shown . If the rubber clip is pulled out, it indicates that the rubber clip is not installed securely and you must reinstall the rubber clip.
  • Page 98 5. Install the screws to secure the LCD hinges. Torque Step Screw (quantity) Color M2.5 × 3 mm, wafer-head, nylon-coated (4) Black 0.392 Nm (4.00 kgf-cm) 6. Use the cable-routing tool to push the rubber clips again to ensure that the rubber clips are correctly installed.

  • Page 99: 2040 Lcd Panel

    7. For each hinge, push the cables into the hinge in the directions as shown at the same time. Do not pull the cables; otherwise the rubber clips might come out of the LCD hinges when you pivot the LCD unit. 8.
  • Page 100 Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Hardware Maintenance Manual...

  • Page 101: 2050 Camera/Microphone Assembly

    2050 Camera/microphone assembly For access, remove these FRUs in order: • “1140 Keyboard bezel assembly and the LCD unit” on page 83 • “2010 LCD bezel assembly” on page 85 • “2030 LCD hinges” on page 87 • “2040 LCD panel” on page 93 Removal steps of the camera and microphone assembly For models without a digitizer pen, the camera/microphone assembly is on the LCD bezel.
  • Page 102 For models with a digitizer pen, the camera/microphone assembly is on the back side of the LCD panel. When installing: Ensure that the connector is attached firmly. Hardware Maintenance Manual...

  • Page 103: 2060 Sensor Card

    2060 Sensor card For access, remove these FRUs in order: • “1140 Keyboard bezel assembly and the LCD unit” on page 83 • “2010 LCD bezel assembly” on page 85 • “2030 LCD hinges” on page 87 • “2040 LCD panel” on page 93 Removal steps of the sensor card 2070 LCD cable assembly For access, remove these FRUs in order:...

  • Page 104: 2080 Camera/Microphone Cable Or Camera/Digitizer/Microphone Cable

    Removal steps of the LCD cable assembly 2080 Camera/microphone cable or camera/digitizer/microphone cable For access, remove these FRUs in order: • “1140 Keyboard bezel assembly and the LCD unit” on page 83 • “2010 LCD bezel assembly” on page 85 •...
  • Page 105 Removal steps of the camera/microphone cable The camera/microphone cable is available only on computer models that do not have a digitizer pen. The cable is secured on the LCD bezel. Chapter 9 Removing or replacing a FRU...

  • Page 106: 2090 Wireless-Lan Antenna Kit And Lcd Rear-Cover Assembly

    Removal steps of the camera/digitizer/microphone cable The camera/digitizer/microphone cable is available only on computer models that have a digitizer pen. The cable is secured on the back side of the LCD panel. 2090 Wireless-LAN antenna kit and LCD rear-cover assembly For access, remove these FRUs in order: •...
  • Page 107 Removal steps of the wireless-LAN antenna kit and LCD rear-cover assembly When installing: When you install the antenna kit, route the cables as shown in the following illustration. Attention: When you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.
  • Page 108 Antenna locations Wireless-LAN main antenna (gray) Wireless-LAN auxiliary antenna (black) Hardware Maintenance Manual...

  • Page 109: Appendix A. Notices

    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.

  • Page 110: Electronic Emissions Notices

    For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo ThinkPad TrackPoint Yoga Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies.

  • Page 111: Appendix B. Abbreviation Table

    Graphics Processing Unit Hard Disk Drive HDMI High-definition multimedia interface Integrated circuits Integrate circuit card identity ICCID International Standardization Organization Local area network Liquid Crystal Display Media Access Control Machine type Machine type and model Personal Computer © Copyright Lenovo 2015...
  • Page 112 Abbreviation Term Platform Controller Hub POST Power-on self-test Random Access Memory Radio frequency RFID Radio-frequency identification Ring indicator Registered jack SATA Serial Advanced Technology Attachment Subscriber Identity Module Supervisor password TFTs Thin-film transistors UEFI Unified Extensible Firmware Interface Universal Serial Bus UUID Universally Unique Identifier VRAM...
  • Page 114 Part Number: SP40A27258 Printed in China (1P) P/N: SP40A27258 *1PSP40A27258*...

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