Lenovo ThinkPad L470 Hardware Maintenance Manual
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Lenovo ThinkPad L470 Hardware Maintenance Manual

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Hardware Maintenance Manual

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  • Page 1 ThinkPad L470 Hardware Maintenance Manual...
  • Page 2 Appendix A “Notices” on page 105. First Edition (February 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 ....1020 External battery pack ..Power-on password ... © Copyright Lenovo 2017...
  • Page 4 Appendix B. Abbreviation table . . . drive adapter in the hard disk drive bay ..1200 M.2 solid-state drive in the wireless-WAN-card slot ... ThinkPad L470 Hardware Maintenance Manual...

  • 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 ThinkPad L470 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

    If any unsafe conditions are present, you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem. ThinkPad L470 Hardware Maintenance Manual...

  • 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

    The safety notices in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese DANGER DANGER DANGER ThinkPad L470 Hardware Maintenance Manual...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 ThinkPad L470 Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO DANGER ThinkPad L470 Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER VORSICHT VORSICHT VORSICHT VORSICHT ThinkPad L470 Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 ThinkPad L470 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 ThinkPad L470 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 ThinkPad L470 Hardware Maintenance Manual...
  • Page 23 Chapter 1 Safety information...
  • Page 24 ThinkPad L470 Hardware Maintenance Manual...

  • Page 25: Chapter 2. Important Service Information

    Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and Unified Extensible Firmware Interface basic input output system (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) 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 ThinkPad L470 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: Power System Checkout

    3. Restart the computer. 4. When the logo screen is displayed, repeatedly press and release the F12 key. When the Boot Menu window opens, release the F12 key. 5. Use the arrow keys to select ATAPI CDx (x: 0, 1, ...) and then press Enter. The diagnostic program will be launched automatically.

  • Page 34: Checking The External Battery Pack And The Operational Charging

    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 35 Wire Voltage (V dc) +2.5 to +3.2 Black Ground • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the coin-cell battery. • If the coin-cell battery discharges quickly after replacement, replace the system board. Chapter 3 General checkout...
  • Page 36 ThinkPad L470 Hardware Maintenance Manual...

  • Page 37: Chapter 4. Related Service Information

    “Symptom-to-FRU index” on page 39 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 38: 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 39 To create recovery media, click Start ➙ All Programs ➙ Lenovo PC Experience. In the prompted window, double-click Lenovo Tools ➙ Factory Recovery Disks. Then, follow the instructions on the screen.

  • Page 40: 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 41 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 42: Passwords

    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 43: 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 44: Screen Blank Mode (For The Windows 7 Operating System Only)

    When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard disk drive or solid-state drive is read, and system status is restored from the hard disk drive or solid-state drive. ThinkPad L470 Hardware Maintenance Manual...

  • Page 45: Symptom-To-Fru Index

    Symptom-to-FRU index This section contains following information: • “Error messages” on page 39 • “Beep errors” on page 41 • “No-beep symptoms” on page 42 • “LCD-related symptoms” on page 42 • “Intermittent problems” on page 43 • “Undetermined problems” on page 43 The symptom-to-FRU index in this section lists symptoms and errors and their possible causes.
  • Page 46 Solution: Press F1 after the error message is displayed to enter ThinkPad Setup. A dialog asks the user for confirmation to clean up the storage. If the user selects “Yes”, all data that were created by the operating system or programs will be deleted except global variables defined by the Unified Extensible ThinkPad L470 Hardware Maintenance Manual...

  • Page 47: Beep Errors

    Press the ESC key to continue. Solution: Replace the battery with the correct Lenovo battery for this computer. If you still see the same error message, contact Lenovo service to have the computer serviced.

  • Page 48: 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 49: Intermittent Problems

    • This policy applies to all ThinkPad notebook computers purchased on 1 January, 2008 or later. • Lenovo will not provide warranty replacement if the LCD is within specifications because we cannot guarantee that any replacement LCD will have zero pixel defects.
  • Page 50 6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU): a. System board b. LCD unit ThinkPad L470 Hardware Maintenance Manual...

  • Page 51: Chapter 5. Function Keys

    Cortana personal assistant. To define or change the action for the F12 key, do the following: 1. Open the Lenovo Settings program. 2. Click the input icon 3. Locate the KEYBOARD: USER-DEFINED KEY section and follow the instructions on the screen to complete the setting.
  • Page 52 This key combination has the same function as the SysRq key on a conventional external keyboard. Fn+4 Press Fn+4 to put the computer into sleep mode. To wake up the computer, press any key or the power button. ThinkPad L470 Hardware Maintenance Manual...

  • Page 53: Chapter 6. Locations

    Fingerprint reader (available on some models) Trackpad Media-card slot (available on some models) ® TrackPoint pointing stick TrackPoint buttons Left-side view ac power connector Fan louvers Always On USB 3.0 connector Combo audio connector Smart-card slot (available on some models) © Copyright Lenovo 2017...

  • Page 54: Right-Side View

    Keyboard drainage holes Speakers Status indicators This topic provides information about locating and identifying the various status indicators on your computer. Note: Depending on the model, your computer might look different from the following illustrations. ThinkPad L470 Hardware Maintenance Manual...
  • Page 55 Indicator Meaning Fn Lock indicator This indicator shows the status of Fn Lock function. For more information, see Chapter 5 “Function keys” on page Speaker-mute indicator When this indicator is on, the speakers are muted. Microphone-mute indicator When this indicator is on, the microphones are muted. Camera status indicator When this indicator is on, the camera is in use.

  • Page 56: Locating Frus And Crus

    CRUs, you can either install the CRU yourself or you can request that a Service Provider install the CRU according to the warranty service for your product. If you intend on installing the 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.

  • Page 57: Major Frus And Crus

    Major FRUs and CRUs Note: Depending on the computer model, the keyboard bezel assembly of your computer might look different from the illustration above. Table 5. Major FRUs and CRUs FRU description Self-service CRU Optional-service CRU LCD unit Trackpad Chapter 6 Locations...
  • Page 58 USB and audio board Thermal fan assembly dc-in cable M.2 solid-state drive adapter in the hard disk drive bay M.2 solid-state drive in the hard disk drive bay Keyboard TrackPoint cap Available on some models ThinkPad L470 Hardware Maintenance Manual...
  • Page 59 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. Chapter 6 Locations...

  • Page 60: Lcd Frus

    LCD FRUs ThinkPad L470 Hardware Maintenance Manual...

  • Page 61: Miscellaneous Parts

    Rubber 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 and CRUs” on page 51 and “LCD FRUs” on page 54.
  • Page 62 The power connector of the computer comes with a dc-in cable. Connect the cable to this connector. Thermal fan connector (internal) Thermal fan assembly cable The thermal fan assembly comes with a cable. Connect the cable to this connector. ThinkPad L470 Hardware Maintenance Manual...
  • Page 63 Table 8. System board (continued) Connector/feature Internal cable required Cable connection Embeded DisplayPort connector LCD cable See “Camera/microphone card (internal) connector and LCD cable” on page 58. Coin-cell battery connector Coin-cell battery cable The coin-cell battery comes with a (internal) cable.
  • Page 64 Table 10. dc-in cable Connector/feature Internal cable required Cable connection dc-in cable connector (internal) dc-in cable Connect this end to the dc-in connector on the system board. ac adapter connector (external) Connect the ac adapter to this connector. ThinkPad L470 Hardware Maintenance Manual...
  • Page 65 Keyboard bezel assembly connector and cable Table 11. Keyboard bezel assembly Internal cable required Connector/feature Cable connection Fingerprint reader card connector Fingerprint reader card cable The keyboard bezel assembly (internal) comes with a fingerprint reader card cable. Connect the cable to this connector.
  • Page 66 Always On USB connector Insert USB-compatible devices (external) into the USB connector. Audio connector (external) Connect headphones or a headset with a 3.5-mm (0.14-inch), 4-pole plug to the audio connector. VGA card connectors ThinkPad L470 Hardware Maintenance Manual...
  • Page 67 Table 15. VGA card Internal cable required Connector/feature Cable connection VGA connector (external) Connect a compatible projector, external monitor, or high-definition television to this connector. VGA card connector (internal) Connect the VGA card to the system board directly. Wireless-WAN card connectors and cables Table 16.

  • Page 68: Looking Up Fru Information

    Connect one end of the (internal) wireless-LAN black antenna to the A-cover and the other end to this connector. Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to: http://www.lenovo.com/serviceparts-lookup ThinkPad L470 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

    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 71: 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 72 1. Insert the latest version of LENOVO ThinkPad Hardware Maintenance Diskette or Maintenance Key, and then restart the computer. 2. From the main menu, select 6. Set ECA Information. 3. To write the ECA information, select 1. Write ECA/rework number from EEPROM, and follow the instruction;...

  • 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: 1010 Sim-Card Tray

    The only exception to this is if the battery pack 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 pack, before getting a non-physically damaged battery pack replaced.

  • Page 75: 1030 Keyboard Rubbers

    Slide the other battery latch to the unlocked position, and detach the battery from the base cover on the right. Remove the battery 1030 Keyboard rubbers For access, remove this FRU: • “1020 External battery pack” on page 68 Chapter 8 Removing or replacing a FRU...

  • Page 76: 1040 Keyboard

    Note: Depending on the computer model, your computer might look different from the following illustration. 1040 Keyboard For access, remove these FRUs in order: • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 ThinkPad L470 Hardware Maintenance Manual...
  • Page 77 Removal steps of the keyboard Notes: • Depending on the computer model, your computer might look different from the illustrations in this topic. • Do not press or hold the keys while sliding the keyboard frame. Otherwise, the keyboard frame cannot be moved.

  • Page 78: 1050 Base Cover Assembly

    “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 Note: Depending on the computer model, your computer might look different from the illustrations in this topic. ThinkPad L470 Hardware Maintenance Manual...
  • Page 79 Removal steps of the base cover assembly Note: Loosen the screws . The screws cannot be removed. Applying labels to the base cover assembly: The new base cover assembly is shipped with a kit containing labels of several kinds. Apply those labels when you replace the base cover assembly.

  • Page 80: 1060 Docking Bracket

    For access, remove these FRUs in order: • “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 • “1050 Base cover assembly” on page 72 ThinkPad L470 Hardware Maintenance Manual...

  • Page 81: 1070 Sim-Card Filler

    Removal steps of the docking bracket Torque Step Screw (quantity) Color M2 × 5 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) 1070 SIM-card filler For access, remove these FRUs in order: • “1020 External battery pack” on page 68 •...

  • Page 82: 1080 Hard Disk Drive Or Solid-State Drive

    • Never remove the drive while the system is operating or in suspend mode. Removal steps of the hard disk drive or solid-state drive Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) ThinkPad L470 Hardware Maintenance Manual...

  • Page 83: 1090 Wireless-Lan Card

    When installing: Ensure that the hard disk drive or solid-state drive is firmly attached. 1090 Wireless-LAN card For access, remove these FRUs in order: • “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers”...

  • Page 84: 1100 Wireless-Wan Card

    For access, remove these FRUs in order: • “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 • “1050 Base cover assembly” on page 72 ThinkPad L470 Hardware Maintenance Manual...

  • Page 85: 1110 Memory Module

    Removal steps of the wireless-WAN card Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Plug the orange cable into the connector labeled MAIN on the card, and plug the blue cable into the connector labeled AUX on the card.

  • Page 86: 1120 Speaker Assembly And Speaker Rubbers

    “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 • “1050 Base cover assembly” on page 72 Removal steps of the speaker assembly and speaker rubbers ThinkPad L470 Hardware Maintenance Manual...

  • Page 87: 1130 Coin-Cell Battery

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 4 mm, big head, nylon-coated (4) (1.85 kgf-cm) When installing: • Ensure that the speaker rubbers are well installed. • Ensure that the connector of the speaker assembly is attached firmly. •...

  • Page 88: 1140 Lcd Unit

    “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 • “1050 Base cover assembly” on page 72 Removal steps of the LCD unit ThinkPad L470 Hardware Maintenance Manual...
  • Page 89 Step Screw (quantity) Color Torque M2.5 × 6 mm, flat-head, nylon-coated (4) Black 0.294 Nm (3.0 kgf-cm) 0.181 Nm M2 × 5 mm, flat-head, nylon-coated (2) Silver (1.85 kgf-cm) Chapter 8 Removing or replacing a FRU...

  • Page 90: 1150 Dc-In Cable

    Removal steps of the dc-in cable Torque Step Screw (quantity) Color M2.5 × 6 mm, flat-head, nylon-coated (2) Black 0.294 Nm (3.0 kgf-cm) M2 × 5 mm, flat-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) ThinkPad L470 Hardware Maintenance Manual...
  • Page 91 When installing: Ensure that the connector of the dc-in cable is attached firmly. Chapter 8 Removing or replacing a FRU...

  • Page 92: 1160 Thermal Fan Assembly

    The screws cannot be removed. • The screws , and are available only on some computer models. When installing: • Ensure that the connector of the thermal fan is attached firmly. ThinkPad L470 Hardware Maintenance Manual...

  • Page 93: 1170 I/O Bracket

    • Before you attach the thermal fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component. For the new thermal fan assembly, you must peel the thin film off from the rubbers.
  • Page 94 M2 × 5 mm, flat-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgf-cm) Use the hex bit socket to remove the hexagonal screws. Step Screw (quantity) Color Torque Black 0.181 Nm Hexagonal screws (2) (1.85 kgf-cm) ThinkPad L470 Hardware Maintenance Manual...

  • Page 95: 1180 Smart-Card Bracket

    When installing: Ensure that the I/O bracket is attached firmly. 1180 Smart-card bracket For access, remove these FRUs in order: • “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 •...

  • Page 96: 1190 M.2 Solid-State Drive And M.2 Solid-State Drive Adapter In The Hard Disk Drive Bay

    Removal steps of the M.2 solid-state drive and M.2 solid-state drive adapter in the hard disk drive bay Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) ThinkPad L470 Hardware Maintenance Manual...
  • Page 97 Chapter 8 Removing or replacing a FRU...

  • Page 98: 1200 M.2 Solid-State Drive In The Wireless-Wan-Card Slot

    Removal steps of the M.2 solid-state drive in the wireless-WAN-card slot Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) 1210 System board and subcards Important notices for handling the system board ThinkPad L470 Hardware Maintenance Manual...
  • Page 99 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. Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6000 G's of shock.
  • Page 100 For models with an integrated thermal module Microprocessor Removal steps of the system board Torque Step Screw (quantity) Color M2 × 3 mm, big head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) ThinkPad L470 Hardware Maintenance Manual...

  • Page 101: 1211 Smart Card Reader And Smart-Card Cable, Or Smart-Card Filler

    Step Screw (quantity) Color Torque M2 × 3 mm, big head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) When installing: Ensure that the connectors are attached firmly. 1211 Smart card reader and smart-card cable, or smart-card filler For access, remove these FRUs in order: •...

  • Page 102: 1212 Keyboard Bezel Assembly

    “1050 Base cover assembly” on page 72 • “1080 Hard disk drive or solid-state drive” on page 76 • “1090 Wireless-LAN card” on page 77 • “1100 Wireless-WAN card” on page 78 • “1110 Memory module” on page 79 ThinkPad L470 Hardware Maintenance Manual...

  • Page 103: 2010 Lcd-Bezel Sheet

    • “1120 Speaker assembly and speaker rubbers” on page 80 • “1130 Coin-cell battery” on page 81 • “1140 LCD unit” on page 82 • “1150 dc-in cable” on page 84 • “1160 Thermal fan assembly” on page 86 • “1170 I/O bracket”...

  • Page 104: 2020 Lcd Panel

    0.181 Nm (1.85 kgf-cm) When installing: 1. Insert the bottom edge of the LCD panel at an angle of about 30 degrees. 2. Install the LCD panel. Ensure that all the latches are attached firmly. ThinkPad L470 Hardware Maintenance Manual...

  • Page 105: 2030 Camera/Microphone Module, Camera Module, Or Microphone Module

    2030 Camera/microphone module, camera module, or microphone module For access, remove these FRUs in order: • “1140 LCD unit” on page 82 • “2010 LCD-bezel sheet” on page 97 Removal steps of the camera/microphone module, camera module, or microphone module Chapter 8 Removing or replacing a FRU...

  • Page 106: 2040 Lcd Hinges

    • “1050 Base cover assembly” on page 72 • “1140 LCD unit” on page 82 • “2010 LCD-bezel sheet” on page 97 • “2020 LCD panel” on page 98 Removal steps of the LCD hinges ThinkPad L470 Hardware Maintenance Manual...

  • Page 107: 2050 Lcd Cable

    Step Screw (quantity) Color Torque M2.5 × 2.5 mm, big-head, nylon-coated (6) Silver 0.294 Nm (3.0 kgf-cm) 2050 LCD cable For access, remove these FRUs in order: • “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 •...

  • Page 108: 2060 Wireless-Lan/Wan Antenna Assembly Or Wireless-Lan Antenna Assembly, And Lcd Rear-Cover Assembly

    For access, remove these FRUs in order: • “1010 SIM-card tray” on page 68 • “1020 External battery pack” on page 68 • “1030 Keyboard rubbers” on page 69 • “1050 Base cover assembly” on page 72 ThinkPad L470 Hardware Maintenance Manual...
  • Page 109 • “1140 LCD unit” on page 82 • “2010 LCD-bezel sheet” on page 97 • “2020 LCD panel” on page 98 • “2040 LCD hinges” on page 100 Removal steps of the wireless-LAN/WAN antenna assembly or wireless-LAN antenna assembly, and LCD rear-cover assembly Chapter 8 Removing or replacing a FRU...
  • Page 110 Attention: As 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. Antenna locations Wireless-LAN main antenna (gray) Wireless-WAN main antenna (orange) Wireless-WAN auxiliary antenna (blue) Wireless-LAN auxiliary antenna (black) ThinkPad L470 Hardware Maintenance Manual...

  • Page 111: 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 112: 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 Lenovo logo ThinkPad...

  • Page 113: Appendix B. Abbreviation Table

    ICCID integrate circuit card identity International Standardization Organization local area network liquid crystal display media access control machine type machine type and model personal computer Platform Controller Hub POST power-on self-test random-access memory © Copyright Lenovo 2017...
  • Page 114 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 video graphics array VRAM video random-access memory wide area network ThinkPad L470 Hardware Maintenance Manual...

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