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Lenovo ThinkPad X1 Carbon 20HQ Hardware Maintenance Manual
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Lenovo ThinkPad X1 Carbon 20HQ Hardware Maintenance Manual

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Hardware Maintenance Manual
Machine Types: 20HQ, 20HR, 20K3, and 20K4

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Summary of Contents for Lenovo ThinkPad X1 Carbon 20HQ

  • Page 1 Hardware Maintenance Manual Machine Types: 20HQ, 20HR, 20K3, and 20K4...
  • Page 2 Appendix A “Notices” on page 101. Second Edition (March 2017) © Copyright Lenovo 2017. 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.

  • Page 3: Table Of Contents

    Passwords ....General guidelines ... . . Power-on password ... © Copyright Lenovo 2017...
  • Page 4 Before servicing the computer ..1150 NFC card with NFC support bracket . . Removing external devices ..1160 dc-in support bracket ..Disabling the built-in battery .

  • 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 2017...
  • 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 2017...

  • 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

    Lenovo Support Center are available at: http://www.lenovo.com/support/phone • Service training documents for Lenovo authorized service technicians are available at the following Web site. The disassembly and reassembly videos that show the FRU removal and replacement procedures are contained in the documents.

  • Page 26: Important Notice For Replacing A System Board

    Dynamic configure-to-order (CTO) model 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 1. Go to http://support.lenovo.com/ibasepartslookup. 2. Type the Machine Type and Serial Number in the corresponding fields. 3. Click Submit. eSupport also can be used to view the general FRU list for a product. The FRU list is a general list of components and does not contain specific model information.
  • Page 28 Hardware Maintenance Manual...

  • Page 29: Chapter 3. General Checkout

    Following is a list of some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use. © Copyright Lenovo 2017...

  • Page 30: Checkout Guide

    • If you are unable to isolate and repair the problem yourself after running Lenovo Solution Center, save and print the log files created by the program. You need the log files when you speak to a Lenovo technical support representative.

  • Page 31: Quick Test Programs

    Note: If you are unable to isolate and repair the problem yourself after running Lenovo Companion, save and print the log files created by the program. You need the log files when you speak to a Lenovo technical support representative.

  • 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 programs enable you to test computer memory and internal storage devices, view system information, and check and recover the internal storage devices.

  • Page 33: Checking The Ac Power Adapter

    Checking the battery and operational charging Checking the battery This system 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.

  • Page 34: Checking The Coin-Cell Battery

    2. Perform operational charging. Click the battery status icon in the Windows notification area to display detailed battery information. If it indicates that the battery is not charging, replace the battery. 3. Check the battery status again. If the same error still exists, replace the system board. Checking the coin-cell battery To check the coin-cell battery, do the following: 1.

  • Page 35: Chapter 4. Related Service Information

    “Symptom-to-FRU index” on page 37 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 Recovery information This section provides information about recovery solutions. There are various methods to choose from when considering how to recover in the event of a software- or hardware-related problem.

  • Page 36: Recovery Information For The Windows 7 Operating System

    If you did not create recovery media as a precautionary measure, you can contact Lenovo Customer Support Center and purchase a set of recovery media from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: http://www.lenovo.com/support/phone...

  • Page 37: Reinstalling Preinstalled Programs And Device Drivers

    Using recovery media Attention: During the recovery process, all the files currently on the storage device of your computer will be deleted and replaced by the factory default settings. To use the recovery media, do the following: • If you have created the recovery media with discs, do the following: 1.

  • Page 38: Recovery Information For The Windows 10 Operating System

    • If the device subfolder contains an INF file, right-click the INF file and select Install. Then follow the instructions on the screen to complete the installation. If you need updated device drivers for your computer, download and install them from the Lenovo Support Web site at: http://www.lenovo.com/support...

  • Page 39: Passwords

    It is recommended that you create a recovery USB drive as early as possible. If you did not create a recovery USB drive as a precautionary measure, you can contact Lenovo Customer Support Center and purchase one from Lenovo. For a list of the Lenovo Support phone numbers for your country or region, go to: http://www.lenovo.com/support/phone Creating a recovery USB drive To create a recovery USB drive, you need a USB drive with at least 16 GB of storage capacity.

  • Page 40: Power-On 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 41: 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 (HDD) or SSD with a scheduled fee.

  • Page 42: Sleep Mode

    To end screen blank mode and resume normal operation, press any key. Sleep mode When the computer enters sleep mode, the following events occur in addition to what occurs in screen blank mode: • The LCD is powered off. • The storage drive is powered off. •...

  • Page 43: Symptom-To-Fru Index

    Symptom-to-FRU index This section contains following information: • “Numeric error codes” on page 37 • “Error messages” on page 38 • “Beep errors” on page 38 • “LCD-related symptoms” on page 40 • “Intermittent problems” on page 40 • “Undetermined problems” on page 40 The symptom-to-FRU index in this section lists symptoms and errors and their possible causes.

  • Page 44: Error Messages

    Bottom cover tamper detection error System board Beep errors Lenovo SmartBeep technology enables you to decode beep errors with your smartphone when a black screen occurs with beeps from your computer. To decode the beep error with Lenovo SmartBeep technology, do the following: 1.
  • Page 45 The following section describes some beep errors and the corresponding solutions. Note: Do not attempt to service a product yourself unless instructed to do so by the Customer Support Center or product documentation. Only use a Lenovo-authorized service provider to repair your product. Error codes Solutions 1.

  • Page 46: Lcd-Related 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 47 a. Non-ThinkPad devices b. Printer, mouse, and other external devices c. External diskette drive or optical drive d. Wireless cards 4. Turn on the computer. 5. Determine whether the problem has been solved. 6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7.
  • Page 48 Hardware Maintenance Manual...

  • Page 49: Chapter 5. Special Keys

    Darken the computer display. • Brighten the computer display. • Manage external displays. • Enable or disable the built-in wireless features. • – For Windows 7: Open Control Panel. – For Windows 10: Open the Settings window. © Copyright Lenovo 2017...
  • Page 50 1. Open Control Panel, and then change the view of Control Panel from Category to Large icons or Small icons. 2. Click Lenovo - Keyboard Manager. In the Keyboard Manager window, click the USER-DEFINED KEY tab. 3. Follow the instructions on the screen to complete the setting.

  • Page 51: Chapter 6. Locations

    This chapter introduces the locations of the hardware components on your computer. Computer controls, connectors, and indicators This section introduces hardware features of the computer. Front view Microphones Infrared camera (available on some models) Power button Conventional camera (available on some models) ® Fingerprint reader TrackPoint buttons © Copyright Lenovo 2017...

  • Page 52: Left-Side View

    Trackpad NFC mark (available on some models) TrackPoint pointing stick Left-side view USB-C connectors (Thunderbolt™ 3 compatible) / USB 3.0 connector power connectors HDMI™ connector Mini Ethernet connector Right-side view Audio connector Fan louvers Always On USB 3.0 connector Security-lock slot Rear view Micro-SIM-card slot microSD card slot...

  • Page 53: Bottom View

    Bottom view Emergency-reset hole Speakers Fan louvers Status indicators This topic provides information about locating and identifying the various status indicators on your computer. Chapter 6 Locations...
  • Page 54 Note: Depending on the model, your computer might look different from the following illustrations. Es c FnLoc CapsLock Indicator Meaning Caps Lock indicator When this indicator is on, you can type uppercase letters by directly pressing the letter keys. Fn Lock indicator This indicator shows the status of Fn Lock function.

  • Page 55: Locating Frus And Crus

    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 56: Major Frus

    – Self-service CRUs: Refer to parts that can be installed or replaced easily by customer themselves or by trained service technicians at an additional cost. – Optional-service CRUs: Refer to parts that can be installed or replaced by customers with a greater skill level.

  • Page 57: Trackpad

    M.2 solid-state drive Wireless-WAN card Wireless-LAN card System board assembly dc-in support bracket Trackpad assembly Trackpad insulation tape TrackPoint pointing stick Lenovo factory recovery USB key Lenovo recovery disc set Power cord ac power adapter Miscellaneous parts kits Chapter 6 Locations...
  • Page 58 Lenovo recovery disc set are used to restore the Microsoft Windows operating system. They might not come with the computer, and a user might order them from http://www.lenovo.com/lenovorecovery, though additional shipping and handling fees might apply. Hardware Maintenance Manual...

  • Page 59: Lcd Frus

    LCD FRUs Table 5. LCD FRUs FRU descriptions Self-service Optional-service LCD-bezel assembly Protection plate assembly Chapter 6 Locations...
  • Page 60 Table 5. LCD FRUs (continued) FRU descriptions Self-service Optional-service Metal protection plate LCD panel assembly LCD cable Camera/microphone card (available on some models) Hinges Camera/LED cable LCD bottom bezel LCD rear cover assembly Hardware Maintenance Manual...

  • Page 61: Miscellaneous Parts And Other Frus

    Label kit Connector and cable guide This section provides information to help Lenovo authorized service technicians identify connectors and cables for replacement purpose. To view each FRU and the exploded illustration of the computer, see “Major FRUs” on page 50 and “LCD FRUs” on page 53.

  • Page 62: Hdmi™ Connector

    Connector/feature Internal cable required Cable connection USB cable connector (internal) USB cable The Always On USB 3.0 connector comes with a cable. Connect the cable to this connector. Power button connector (internal) Power-button-card cable Connect one end to the power button card and the other end to this connector.

  • Page 63: Micro-Sim-Card Slot

    Connector/feature Internal cable required Cable connection USB-C connectors (Thunderbolt Connect USB-C compatible 3 compatible) / power connectors devices or a USB-C power adapter (external) to these connectors. Micro-SIM-card slot (external) If your computer supports the wireless WAN feature, insert a micro SIM card into this slot to establish wireless WAN connections.
  • Page 64 Connector (location) Internal cable required Cable connection Camera/microphone card Camera/LED cable Connect the end of the cable connector (internal) to the camera/LED connector on the system board, and connect the of the cable to the LCD rear cover. Then, connect the end the cable to this connector.
  • Page 65 Power button card connector and cable Connector (location) Internal cable required Cable connection Power-button-card connector Power-button-card cable Connect the end of the cable to (internal) the power button card connector on the system board and the end to this connector. Trackpad connector and trackpad cable Connector (location) Internal cable required...
  • Page 66 Connector (location) Internal cable required Cable connection Always On USB 3.0 connector Connect USB-compatible devices (external) to this connector. USB cable connector (internal) USB cable Connect this end to the USB cable connector on the system board. Wireless-WAN card connectors and cables Connector (location) Internal cable required Cable connection...

  • Page 67: Looking Up Fru Information

    Connect one end of the (internal) wireless-LAN black antenna to the C-cover and the other end to this connector labeled AUX. Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to http://www.lenovo.com/serviceparts-lookup. Chapter 6 Locations...
  • Page 68 Hardware Maintenance Manual...

  • Page 69: Chapter 7. 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 70: Retaining Serial Numbers

    • It is recommended to use each screw only once. Tighten screws as follows: • Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part. 90 degrees more (Cross-section) • Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card.

  • Page 71: Retaining The Uuid

    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. 3. Restart the computer. 4. When the logo is displayed, press Esc. The ThinkPad Config Information Update Utility interface is displayed.

  • Page 72: Reading Or Writing The Eca Information

    Reading or writing the ECA information Information about Engineering Change Announcements (ECA) is stored in the EEPROM of the system board. The electronic storage of this information simplifies the procedure to check if the ECA has been previously applied to a machine. The machine does not need to be disassembled to check for the ECA application. To check what ECAs have been previously applied to the machine, use the ECA Information Read/Write function on the USB Maintenance Key.

  • Page 73: Chapter 8. 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 74: Before Servicing The Computer

    Before servicing the computer Carefully read this topic before servicing the computer. Removing external devices Before you start servicing, ensure that you remove all external devices installed by the customer, such as microSD card, dock, and external display. Disabling the built-in battery Before replacing any FRU/CRU, ensure that you disable the built-in battery.

  • Page 75: Removing A Major Fru

    After you finish the servicing, ensure that you install the micro SIM card (if available) back into the computer. Removing a major FRU This section provides instructions on how to remove a major FRU. 1010 Base cover assembly Removal steps of the base cover assembly Chapter 8 Removing or replacing a FRU...

  • Page 76: 1020 M.2 Solid-State Drive And Thermal Rubber For M.2 Solid-State Drive

    Applying labels to the base cover: The following illustration shows the location of each label. Asset Tag Asset Tag_40Y917Y Certificate of Authenticity label (for Windows 7) Genuine Microsoft label (for Windows 10) IMEI label S/N label CECP label (for China) GEO label (for Japan, Australia and New Zealand, Asia Pacific/Latin America, Europe, Middle East and Africa, Taiwan, or Korea)

  • Page 77: 1030 Wireless-Lan Card

    Removal steps of the M.2 solid-state drive and thermal rubber for M.2 solid-state drive Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L2.2 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) 1030 Wireless-LAN card Note: This information is only for the user-replaceable modules. For access, remove this FRU: •...

  • Page 78: 1040 Wireless-Wan Card

    Removal steps of the wireless-LAN card Note: The illustration is for wireless-LAN card with WiGig function. For wireless-LAN card without WiGig function, the card has only two antenna connectors. Torque Step Screw (quantity) Color M2 × L2.2 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm)

  • Page 79: 1050 Coin-Cell Battery

    Removal steps of the wireless-WAN card Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L2.2 mm, flat-head, nylon-coated (1) (1.85 kgf-cm) 1050 Coin-cell battery For access, remove this FRU: • “1010 Base cover assembly” on page 69 • “1090 Built-in battery”...
  • Page 80 • “1010 Base cover assembly” on page 69 Removal steps of the thermal fan assembly Note: Loosen the screws in ascending alphabetical order as illustrated. When installing: • Do not touch the top and bottom areas marked in the following illustration. •...

  • Page 81: 1070 Usb Cable

    1070 USB cable For access, remove this FRU: • “1010 Base cover assembly” on page 69 • “1060 Thermal fan assembly” on page 73 Removal steps of the USB cable Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L2.2 mm, flat-head shoulder, nylon-coated (2) (1.85 kgf-cm) 1080 Speaker assembly For access, remove this FRU:...
  • Page 82 • “1090 Built-in battery” on page 77 Removal steps of the speaker assembly Step Screw (quantity) Color Torque Black 0.181 Nm M2 × L5 mm, flat-head shoulder, nylon-coated (4) (1.85 kgf-cm) Hardware Maintenance Manual...

  • Page 83: 1090 Built-In Battery

    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 84 Installing the built-in battery Note: Ensure that the two battery tabs are inserted underneath the system board. Hardware Maintenance Manual...

  • Page 85: 1100 Wireless-Wan Antenna Kit Or Wireless-Wan Antenna Filler, And Cable Holder For Wireless-Wan Antenna

    1100 Wireless-WAN antenna kit or wireless-WAN antenna filler, and cable holder for wireless-WAN antenna For access, remove this FRU: • “1010 Base cover assembly” on page 69 • “1090 Built-in battery” on page 77 • “1050 Coin-cell battery” on page 73 Chapter 8 Removing or replacing a FRU...
  • Page 86 Removal steps of the wireless-WAN antenna kit Step Screw (quantity) Color Torque M2 × L3 mm, flat-head shoulder, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) When installing: Plug the orange cable into the main connector on the card; and plug the blue cable into the auxiliary connector on the card.

  • Page 87: 1110 Wireless-Lan Antenna Kit And Cable Holder For Wireless-Lan Antenna

    Removal steps of the wireless-WAN antenna filler Step Screw (quantity) Color Torque M2 × L3 mm, flat-head shoulder, nylon-coated (4) Silver 0.181 Nm (1.85 kgf-cm) Removal steps of the cable holder for wireless-WAN antenna 1110 Wireless-LAN antenna kit and cable holder for wireless-LAN antenna For access, remove this FRU: •...
  • Page 88 Removal steps of the wireless-LAN antenna kit Torque Step Screw (quantity) Color M2 × L3 mm, flat-head shoulder, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) When installing: Plug the gray cable into the main connector on the card; and plug the black cable into the auxiliary connector on the card.

  • Page 89: 1120 Wigig Antenna Kit And Wigig Bracket

    Removal steps of the cable holder for wireless-LAN antenna 1120 WiGig antenna kit and WiGig bracket For access, remove this FRU: • “1010 Base cover assembly” on page 69 Removal steps of the WiGig antenna kit and WiGig bracket Chapter 8 Removing or replacing a FRU...

  • Page 90: 1130 Trackpad Cable

    Step Screw (quantity) Color Torque M2 × L3 mm, flat-head shoulder, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) 1130 Trackpad cable For access, remove these FRUs in order: • “1010 Base cover assembly” on page 69 • “1090 Built-in battery” on page 77 Removal steps of the trackpad cable Step Screw (quantity)
  • Page 91 Chapter 8 Removing or replacing a FRU...

  • Page 92: 1140 Trackpad Assembly And Trackpad Insulation Tape

    1140 Trackpad assembly and trackpad insulation tape For access, remove this FRU: • “1010 Base cover assembly” on page 69 • “1090 Built-in battery” on page 77 Removal steps of the trackpad assembly and trackpad insulation tape Note: Loosen the screws in ascending alphabetical order as illustrated.

  • Page 93: 1150 Nfc Card With Nfc Support Bracket

    1150 NFC card with NFC support bracket For access, remove this FRU: • “1010 Base cover assembly” on page 69 • “1090 Built-in battery” on page 77 Removal steps of the NFC card with NFC support bracket Chapter 8 Removing or replacing a FRU...

  • Page 94: 1160 Dc-In Support Bracket

    1160 dc-in support bracket For access, remove this FRU: • “1010 Base cover assembly” on page 69 Hardware Maintenance Manual...

  • Page 95: 1170 Micro-Sim-Card Tray

    Removal steps of the dc-in support bracket Step Screw (quantity) Color Torque M2 × L3 mm, flat-head shoulder, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) 1170 micro-SIM-card tray For access, remove this FRU: • “1010 Base cover assembly” on page 69 Removal steps of the micro-SIM-card tray 1180 SD support bracket For access, remove this FRU:...

  • Page 96: 1190 System Board Assembly

    Removal steps of the SD support bracket Torque Step Screw (quantity) Color M2 × L5 mm, flat-head shoulder, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 1190 System board assembly Important notices for handling the system board When handling the system board, read the following: •...
  • Page 97 • “1030 Wireless-LAN card” on page 71 • “1040 Wireless-WAN card” on page 72 • “1060 Thermal fan assembly” on page 73 • “1090 Built-in battery” on page 77 • “1160 dc-in support bracket” on page 88 • “1170 micro-SIM-card tray” on page 89 •...

  • Page 98: 1200 Power Button Card And Power-Button-Card Cable

    Step Screw (quantity) Color Torque 0.181 Nm M2 × L3 mm, flat-head, nylon-coated (3) Silver (1.85 kgf-cm) M2 × L2.2 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 1200 Power button card and power-button-card cable For access, remove these FRUs in order: •...

  • Page 99: 1210 Audio Card With Audio-Card Cable

    Removal steps of the power button card and the power-button-card cable Torque Step Screw (quantity) Color M2 × L2.2 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 1210 Audio card with audio-card cable For access, remove these FRUs in order: •...

  • Page 100: 1220 Lcd Unit

    Removal steps of the audio card with audio-card cable Step Screw (quantity) Color Torque M2 × L3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) M2 × L2.2 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 1220 LCD unit For access, remove these FRUs in order: •...
  • Page 101 Removal steps of the LCD unit Step Screw (quantity) Color Torque Black 0.294 Nm M2.5 × L4 mm, flat-head, nylon-coated (6) (3.0 kgf-cm) Chapter 8 Removing or replacing a FRU...

  • Page 102: 1230 Keyboard Bezel Assembly

    1230 Keyboard bezel assembly For access, remove these FRUs in order: • “1010 Base cover assembly” on page 69 • “1020 M.2 solid-state drive and thermal rubber for M.2 solid-state drive” on page 70 • “1030 Wireless-LAN card” on page 71 •...

  • Page 103: 2020 Hinges And Lcd Bottom Bezel

    • “1220 LCD unit” on page 94 Removal steps of the LCD-bezel assembly, protection plate assembly, and metal protection plate When installing: After the LCD-bezel assembly is removed, it cannot be used anymore. A new LCD-bezel assembly is required for replacement. 2020 Hinges and LCD bottom bezel For access, remove these FRUs in order: •...

  • Page 104: 2030 Lcd Panel Assembly And Lcd Cable

    Removal steps of the hinges and LCD bottom bezel Torque Step Screw (quantity) Color M2.5 × L2.2 mm, big-head, nylon-coated (4) Black 0.294 Nm (3.0 kgf-cm) 2030 LCD panel assembly and LCD cable For access, remove these FRUs in order: •...

  • Page 105: 2040 Camera/Microphone Card, And Camera/Led Cable

    Removal steps of the LCD panel assembly and LCD cable 2040 Camera/microphone card, and camera/LED cable For access, remove these FRUs in order: • “1010 Base cover assembly” on page 69 • “1220 LCD unit” on page 94 • “2010 LCD-bezel assembly, protection plate assembly, and metal protection plate” on page 96 •...
  • Page 106 Removal steps of the camera/LED cable Hardware Maintenance Manual...

  • Page 107: Appendix A. Notices

    Lenovo representative for information about 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 108: Electronic Emissions Notices

    Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo Lenovo logo ThinkPad...

This manual is also suitable for:

Thinkpad x1 carbon 20hrThinkpad x1 carbon 20k3Thinkpad x1 carbon 20k4

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