Lenovo 3254ACU Hardware Maintenance Manual
Lenovo 3254ACU Hardware Maintenance Manual

Lenovo 3254ACU Hardware Maintenance Manual

Hardware maintenance manual
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Hardware Maintenance Manual
ThinkPad Edge E430, E430c, and E435

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Summary of Contents for Lenovo 3254ACU

  • Page 1 Hardware Maintenance Manual ThinkPad Edge E430, E430c, and E435...
  • Page 2 Appendix A “Notices” on page 103. Third Edition (December 2012) © Copyright Lenovo 2012. 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 ....Looking up FRU information ..Lenovo Solution Center ..Quick test programs...
  • Page 4 1050 Memory modules ... 1180 I/O sub card with USB connector and audio jack ....1060 Hard disk drive assembly .
  • Page 5: About This Manual

    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 23. © Copyright Lenovo 2012...
  • Page 6 Hardware Maintenance Manual...
  • Page 7: Chapter 1. Safety Information

    • Reinstall all covers correctly before returning the machine to the customer. • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. © Copyright Lenovo 2012...
  • Page 8: Electrical Safety

    Electrical safety Observe the following rules when working on electrical equipment. Important: • Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. •...
  • Page 9: Safety Inspection Guide

    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

    Notes: 1. Use product-specific ESD procedures when they exceed the requirements noted here. 2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. •...
  • Page 11 DANGER DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 DANGER Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER DANGER VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT 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: Laser Compliance Statement (Multilingual Translations)

    Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Hardware Maintenance Manual...
  • Page 27 Chapter 1 Safety information...
  • Page 28 Hardware Maintenance Manual...
  • Page 29: Chapter 2. Important Service Information

    After a system board is replaced, ensure that the latest UEFI BIOS is loaded to the system board before you complete the service action. To download and install software fixes, drivers, and UEFI BIOS, go to http://www.lenovo.com/Drivers and follow the instructions on the screen.
  • Page 30: Strategy For Replacing A Hard Disk Drive

    Dynamic Configure To Order (CTO) This provides the ability for a customer to configure a Lenovo solution from an eSite, and have this configuration sent to fulfillment, where it is built and shipped directly to the customer. The machine label, Product Entitlement Warehouse (PEW), and eSupport will load these products as the 4-digit MT and 3-digit model, where model = “CTO”...
  • Page 31: Fru Identification For Cto, Cmv, And Gav Products

    (this is the same record found in PEW). eSupport can be accessed at http://www.lenovo.com/support. To view the warranty status of the key commodities on your computer, do the following: 1.
  • Page 32 3. Provide your product information or click Launch to automatically identify your product. 4. Click Product & Parts Detail. 5. On the PRODUCT AND PARTS DETAIL page, click Parts Detail to view the complete list of FRUs. Using the Hardware Maintenance Manual For key commodities (examples - hard disk drive, system board, microprocessor, LCD, and memory) Use the Hardware Maintenance Manual as a backup to PEW and eSupport to view the complete list of FRUs at the MT model level.
  • Page 33: Chapter 3. General Checkout

    This chapter presents following information: • “What to do first” on page 27 • “Checkout guide” on page 28 – “Lenovo Solution Center” on page 28 – “Quick test programs” on page 28 – “UEFI diagnostic program” on page 29 –...
  • Page 34: 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 35: 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 36: Power System Checkout

    1. Go to http://www.lenovo.com/diags. 2. Click Lenovo Bootable Diagnostics. 3. Follow the instructions on the Web site to create a bootable diagnostic medium on a USB device or CD. To use the diagnostic medium you have created, do one of the following: •...
  • Page 37: Checking Operational Charging

    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: Open the Lenovo Support program and click Battery Health, or open the Lenovo Settings program and click Power.
  • Page 38: Checking The Backup Battery

    Terminal Voltage (V dc) + 0 to + 12.6 Ground (-) 3. If the voltage is less than +11.0 V dc, the battery pack has been discharged. Note: Recharging will take at least 3 hours, even if the indicator does not turn on. If the voltage is still less than +11.0 V dc after recharging, replace the battery.
  • Page 39: Chapter 4. Related Service Information

    Recovery Disc Set after the new drive is installed. For information about which discs to order, go to http://www.lenovo.com/serviceparts-lookup. The recovery disc set consists of the user instructions and the following set of DVDs to restore the computer to the original factory configuration.
  • Page 40: Using The Windows Recovery Programs On The Windows 8 Operating System

    4. Select your language and click Next. 5. Read the license. If you agree with the terms and conditions, select I accept these terms and conditions and then click Next. If you do not agree with the terms and conditions, follow the instructions on the screen.
  • Page 41: Passwords

    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 42: Supervisor Password

    Attention: If User only mode is selected and the user hard disk password has been forgotten and cannot be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user 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: Power Management

    4. Select Password. 5. Select Hard-disk x password where x is the letter of the hard disk drive. A pop-up window opens. 6. Select Master HDP, where HDP stands for hard disk password. 7. Type the current master hard disk password in the Enter Current Password field. Then, leave the Enter New Password field blank, and press Enter twice.
  • Page 44: Symptom-To-Fru Index

    • The system status, RAM, VRAM, and setup data are stored on the hard disk drive. • The system is powered off. Note: If the computer enters the hibernation mode while it is docked to the docking station, do not undock it before resuming normal operation.
  • Page 45: Numeric Error Codes

    2. Thermal grease. 3. 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 46: No-Beep Symptoms

    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.
  • Page 47: Undetermined Problems

    Undetermined problems If the diagnostic tests did not identify the device that has failed, if wrong devices are installed, or if the system simply is not operating, follow these procedures to isolate the failing FRU (do not isolate FRUs that have no defects). Verify that all attached devices are supported by the computer.
  • Page 48 Hardware Maintenance Manual...
  • Page 49: Copyright Lenovo

    Press F9 to enable or disable the wireless features. You can quickly change the power state of each feature on the list. Power status • Green: The ac power adapter is connected. • Off: The ac power adapter is not connected. © Copyright Lenovo 2012...
  • Page 50 Table 6. Status indicators (continued) Indicator Meaning System status The illuminated dot in the ThinkPad logo on the outer lid of the computer and on the palm rest works as a system status indicator: it shows whether the computer is in sleep, hibernation, or normal mode.
  • Page 51: Chapter 6. Special Keys

    (F5) audio settings. • For Windows 8: Starts the Lenovo Settings program, which enables you to change the camera and audio settings. Switching the display Press this key to switch between the computer display and an external monitor.
  • Page 52 Table 7. Special keys (continued) Description Special key Wireless radio control Press this key to enable or disable the built-in wireless networking features. When you (F9) press this key, a list of wireless features is displayed. You can quickly change the state of each feature on the list.
  • Page 53: Chapter 7. Locations

    TrackPoint pointing stick ® Always On USB connector UltraNav pointing device Combo audio jack Power button System status indicator : For the description of the system status indicator, see Chapter 5 “Status indicators” on page 43. © Copyright Lenovo 2012...
  • Page 54: Rear View

    Rear view External monitor connector System status indicator USB connectors Security keyhole HDMI port : For the description of the system status indicator, see Chapter 5 “Status indicators” on page 43. Bottom view Small bottom cover Large bottom cover Battery pack latches Built-in stereo speakers Battery pack : The wireless WAN card or mSATA solid-state drive, and the backup battery are located underneath...
  • Page 55 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 56: Major Frus And Crus

    Major FRUs and CRUs Hardware Maintenance Manual...
  • Page 57 Table 8. Major FRUs and CRUs FRU description Self-service CRU Optional-service CRU LCD unit Power button sub card Keyboard bezel Backup battery Wireless WAN card or mSATA solid-state drive Half-size wireless WAN card bracket Wireless LAN card Battery pack RJ45 sub card DC-in connector Optical drive or blank bezel I/O sub card with USB connector and audio jack...
  • Page 58: Lcd Frus And Crus

    LCD FRUs and CRUs Hardware Maintenance Manual...
  • Page 59: Looking Up Fru Information

    Optional-service CRU LCD bezel Hinges Wireless antenna assembly Integrated camera assembly LCD cover kit LCD cable LCD panel 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 7 Locations...
  • Page 60 Hardware Maintenance Manual...
  • Page 61: 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 62: Retaining Serial Numbers

    If you replace the system board, you must restore the serial number of the system unit to its original value. Before replacing the system board, save the original serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer.
  • Page 63: Retaining The Uuid

    When you replace the system board, you must set the UUID on the new system board as follows: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer.
  • Page 64 If the system board is being replaced, try to read the ECA information from the old system board and transfer the information to the new system. If the system board is inoperable, this will not be possible. Hardware Maintenance Manual...
  • Page 65: 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 can be found at http://www.lenovo.com/support.
  • Page 66: Before Servicing Thinkpad Edge E430 And E430C Models

    The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue. • If Lenovo Solution Center is not installed in the computer, the customer should download this program before a non-physically damaged battery pack is replaced. Note that a physically damaged battery pack is a non-warranty replacement part.
  • Page 67: 1020 Large Bottom Cover

    Unlock the battery latch . Hold the battery lock lever in the unlocked position, and remove the battery pack When installing: Install the battery pack in the slot. Make sure that the battery latch is in the locked position. 1020 Large bottom cover For access, remove this FRU: •...
  • Page 68: 1030 Small Bottom Cover

    When installing: Attach the large bottom cover as shown in the following illustration. 1030 Small bottom cover For access, remove this FRU: • “1010 Battery pack” on page 60 Removal steps of small bottom cover Note: Loosen the screw When installing: Attach the small bottom cover as shown in the following illustration. 1040 Optical drive or blank bezel For access, remove these FRUs in order: Hardware Maintenance Manual...
  • Page 69: 1050 Memory Modules

    • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 Removal steps of optical drive or blank bezel Note: Your models might look slightly different from the illustration above. Torque Step Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm)
  • Page 70: 1060 Hard Disk Drive Assembly

    Removal steps of memory modules Note: Your model might look slightly different from the illustration above. When installing: Note: If only one memory module is to be installed on the computer you are servicing, the memory module must be installed in SLOT-0 ( lower slot), but not in SLOT-1 ( upper slot).
  • Page 71: Step Screw (Quantity) M2 × 3 Mm, Wafer-Head, Nylon-Coated

    Removal steps of hard disk drive assembly Note: Your model might look slightly different from the illustration above. Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, wafer-head, nylon-coated (2) (1.85 kgf-cm) When installing: Make sure that the hard disk drive is attached firmly. Chapter 9 Removing or replacing a FRU...
  • Page 72: 1070 Pci Express Mini Card For Wireless Lan

    Removal steps of hard disk drive bracket Step Screw (quantity) Color Torque M3 × 3 mm, wafer-head, nylon-coated (4) Silver 0.392 Nm (4 kgf-cm) 1070 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • “1010 Battery pack”...
  • Page 73: 1080 Pci Express Mini Card For Wireless Wan Or Msata Solid-State Drive

    Removal steps of PCI Express Mini Card for wireless LAN In step , unplug the connectors by using the antenna RF connector removal tool or pick the connectors with your fingers and gently unplug them in the direction of the arrows. Note: Your model might look slightly different from the illustration above.
  • Page 74 • “1010 Battery pack” on page 60 • “1030 Small bottom cover” on page 62 Removal steps of PCI Express Mini Card for wireless WAN In step , unplug the connectors by using the antenna RF connector removal tool or pick the connectors with your fingers and gently unplug them in the direction of the arrows.
  • Page 75 Removal steps of PCI Express Half Mini Card for wireless WAN In step , unplug the connectors by using the antenna RF connector removal tool or pick the connectors with your fingers and gently unplug them in the direction of the arrows. When installing: Plug the red cable into the jack marked MAIN, and the blue cable into the jack marked AUX on the card.
  • Page 76 • Ensure that you partition the mSATA solid-state drive after installing it on the computer you are servicing. Otherwise, the mSATA solid-state drive will not function correctly. For instructions on on how to partition an mSATA solid-state drive, go to http://www.lenovo.com/support/msata-fru.http://www.lenovo.com/support/msata-fru.. Step Screw (quantity)
  • Page 77: 1090 Backup Battery

    1090 Backup battery For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1030 Small bottom cover” on page 62 Removal steps of backup battery DANGER Use only the authorized battery specified for your computer. Any other battery could ignite or explode.
  • Page 78: 1100 Thermal Fan

    1100 Thermal fan For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 Removal steps of thermal fan Note: Loosen the screws Note: Your model might look slightly different from the illustration above. When installing: Make sure that the connector is attached firmly to the system board.
  • Page 79 • “1100 Thermal fan” on page 72 Removal steps of thermal pipes Loosen the screws in ascending alphabetic order as illustrated. When attaching the thermal pipes, secure the screws in reverse order. Note: Different models might have different numbers of screws. Note: Your model might look slightly different from the illustration above.
  • Page 80: 1120 Keyboard

    For models with an integrated thermal pipes 1120 Keyboard For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 Hardware Maintenance Manual...
  • Page 81 Removal steps of keyboard Note: Your model might look slightly different from the illustration above. When installing: Make sure that the screws are fastened and the keyboard is secured. Step Screw (quantity) Color Torque M2 × 8 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm)
  • Page 82 Installation steps of keyboard To install the keyboard, do the following: 1. Attach the connectors. Hardware Maintenance Manual...
  • Page 83: 1130 Keyboard Bezel

    2. Attach the keyboard and ensure that the keyboard edges are under the frame. 3. To make sure that the front side of the keyboard is housed firmly, gently press the keys with your thumbs and slide the keyboard toward you until the keyboard is in place. 4.
  • Page 84 Removal steps of top case assembly Note: Your model might look slightly different from the illustration above. Step Screw (quantity) Color Torque M2 × 8 mm, wafer-head, nylon-coated (10) Black 0.181 Nm (1.85 kgf-cm) M2 × 3 mm, wafer-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm)
  • Page 85: 1140 Cpu

    When installing: Make sure that the connectors are attached firmly to the system board. In step , release the keyboard bezel from the frame using a plastic pry tool as shown in the following illustration. 1140 CPU For access, remove these FRUs in order: •...
  • Page 86: 1150 System Board Assembly

    Removal steps of CPU Rotate the head of the screw in the direction shown by the arrow to release the lock; then remove the When installing: Place the CPU above the CPU socket, and then rotate the head of the screw in the direction shown by the arrow to secure the CPU.
  • Page 87 • “1020 Large bottom cover” on page 61 • “1030 Small bottom cover” on page 62 • “1040 Optical drive or blank bezel” on page 62 • “1050 Memory modules” on page 63 • “1060 Hard disk drive assembly” on page 64 •...
  • Page 88 For models with an integrated thermal module When installing: Make sure that the connectors are attached firmly to the system board. Hardware Maintenance Manual...
  • Page 89: 1160 Speaker Assembly

    Torque Step Screw (quantity) Color M2 × 5 mm, wafer-head, nylon-coated (2) Silver 0.181 Nm (1.85 kgf-cm) When installing: Make sure that the connector is attached firmly to the system board. 1160 Speaker assembly For access, remove these FRUs in order: •...
  • Page 90 • “1130 Keyboard bezel” on page 77 • “1150 System board assembly” on page 80 Removal steps of speaker assembly Torque Step Screw (quantity) Color M2 × 2 mm, wafer-head, nylon-coated, big head (3) Black 0.181 Nm (1.85 kgf-cm) Hardware Maintenance Manual...
  • Page 91: 1170 Power Button Sub Card

    When installing: Attach the speaker assembly and route the cable as shown in the following figure, and make sure that the speaker connector is attached firmly. 1170 Power button sub card For access, remove these FRUs in order: • “1010 Battery pack” on page 60 •...
  • Page 92 • “1040 Optical drive or blank bezel” on page 62 • “1060 Hard disk drive assembly” on page 64 • “1120 Keyboard” on page 74 • “1130 Keyboard bezel” on page 77 Removal steps of I/O sub card with USB connector and audio jack When installing: Make sure that the connector is attached firmly to the system board.
  • Page 93: 1190 Rj45 Sub Card

    1190 RJ45 sub card For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 • “1040 Optical drive or blank bezel” on page 62 • “1060 Hard disk drive assembly” on page 64 •...
  • Page 94 Removal steps of RJ45 sub card When installing: Make sure that the connector is attached firmly to the system board. Torque Step Screw (quantity) Color M2 × 5 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgf-cm) Hardware Maintenance Manual...
  • Page 95: 1200 Lcd Unit

    1200 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 • “1030 Small bottom cover” on page 62 • “1040 Optical drive or blank bezel” on page 62 •...
  • Page 96 In step , release the wireless antenna cables from the cable guides. Hardware Maintenance Manual...
  • Page 97 In step , release wireless antenna cables from the cable guides. Chapter 9 Removing or replacing a FRU...
  • Page 98: 1210 Base Cover Assembly And Dc-In Connector

    1210 Base cover assembly and DC-in connector For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 • “1030 Small bottom cover” on page 62 • “1040 Optical drive or blank bezel” on page 62 •...
  • Page 99 Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. The following illustration shows the correct location of each label. Chapter 9 Removing or replacing a FRU...
  • Page 100: 2010 Lcd Bezel Assembly

    If the Windows Certificate of Authentication (COA) label is attached to a part that is replaced, return the old part with the label attached to the customer, or provide a letter to the customer stating what the label was originally on the computer and what the label part number, serial number, and product key were. When you replace the base cover, apply the following labels: FCC label Serial number label...
  • Page 101 • “1080 PCI Express Mini Card for wireless WAN or mSATA solid-state drive” on page 67 • “1120 Keyboard” on page 74 • “1130 Keyboard bezel” on page 77 • “1190 RJ45 sub card” on page 87 • “1200 LCD unit” on page 89 Removal steps of LCD bezel assembly Torque Step...
  • Page 102: 2020 Lcd Panel And Hinges

    2020 LCD panel and hinges For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 • “1030 Small bottom cover” on page 62 • “1040 Optical drive or blank bezel” on page 62 •...
  • Page 103 When installing: Make sure that the LCD connector is attached firmly. Chapter 9 Removing or replacing a FRU...
  • Page 104: 2030 Integrated Camera And Lcd Cables

    Removal steps of hinges Torque Step Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated, small head (6) Black 0.181 Nm (1.85 kgf-cm) 2030 Integrated camera and LCD cables For access, remove these FRUs in order: • “1010 Battery pack” on page 60 •...
  • Page 105 Removal steps of integrated camera Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated, small head (1) Black 0.181 Nm (1.85 kgf-cm) When installing: Make sure that the connector is attached firmly. Chapter 9 Removing or replacing a FRU...
  • Page 106: 2040 Wireless Antenna Assembly And Lcd Rear Cover Assembly

    Removal steps of LCD cables 2040 Wireless antenna assembly and LCD rear cover assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 60 • “1020 Large bottom cover” on page 61 • “1030 Small bottom cover” on page 62 •...
  • Page 107 Removal steps of wireless antenna assembly and LCD rear cover assembly Release the antenna cables from the cable guides on the LCD rear cover assembly. Note: Your model might not have the wireless WAN antenna assembly. Note: Your model might not have the wireless WAN antenna assembly. Cable routing: When you install the wireless antenna assembly, route the cables as shown in the following figures.
  • Page 108 Note: Your model might not have the wireless WAN antenna assembly. 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 Emission 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 UltraNav Microsoft, Windows, and Windows Server are trademarks of the Microsoft group of companies.
  • Page 112 Part Number: 0B48438_02 Printed in China (1P) P/N: 0B48438_02 *1P0B48438_02*...

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