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Lenovo ThinkPad Edge E420 Hardware Maintenance Manual
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Lenovo ThinkPad Edge E420 Hardware Maintenance Manual

Lenovo ThinkPad Edge E420 Hardware Maintenance Manual

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Summary of Contents for Lenovo ThinkPad Edge E420

  • Page 1 Hardware Maintenance Manual ThinkPad Edge E420 and E425...
  • Page 2 Appendix A “Notices” on page 119. Fourth Edition (November 2011) © Copyright Lenovo 2011. 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

    Diagnostics using PC-Doctor for DOS..1020 ExpressCard blank bezel ..Lenovo ThinkVantage Toolbox ..1030 Bottom slot cover ...
  • Page 4 2010 LCD bezel assembly ..Miscellaneous parts ... . 2020 Integrated camera ... ac power adapters .

  • Page 5: About This Manual

    About this manual ® This manual contains service and reference information for the following ThinkPad products. ThinkPad Edge E420 Machine Type (MT) 1141, and 1167 ThinkPad Edge E425 Machine Type (MT) 1198 Use this manual along with the advanced diagnostic tests to troubleshoot problems.
  • 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 2011...

  • 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. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges.

  • Page 9: Safety Inspection Guide

    – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service technicians from injury.

  • Page 10: Grounding Requirements

    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. • Avoid contact with other people. •...
  • Page 11 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 DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 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 1 Safety information...
  • Page 30 Hardware Maintenance Manual...

  • Page 31: Chapter 2. Important Service Information

    – “FRU identification for CTO, CMV, and GAV products” on page 27 Important: • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and UEFI BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone...

  • Page 32: Strategy For Replacing A Hard Disk Drive

    0 in the system, and assigned drive C:. The hard disk drive will be seen as hard disk 1, and assigned drive D:. The mSATA drive is installed in the wireless WAN card slot of the computer. The Lenovo preloaded software is installed on the mSATA drive.

  • Page 33: Fru Identification For Cto, Cmv, And Gav Products

    • eSupport can be used to view the list of key commodities built in a particular machine serial (this is the same record found in PEW). • eSupport can be accessed at the following Web site: http://www.lenovo.com/support • To view the key commodities, do the following: 1.
  • Page 34 Using the HMM For Key Commodities (Examples - hard disk drive, system board, microprocessor, LCD, and memory) Use the HMM as a back-up to PEW and eSupport to view the complete list of FRUs at the MT Model level. Hardware Maintenance Manual...

  • Page 35: Chapter 3. General Checkout

    “What to do first” on page 29 • “Checkout guide” on page 30 – “Diagnostics using PC-Doctor for DOS” on page 30 – “Lenovo ThinkVantage Toolbox” on page 32 – “FRU tests” on page 33 • “Power system checkout” on page 34 ®...

  • Page 36: Checkout Guide

    PC-Doctor. Note: PC-Doctor for DOS is available at the following Web site: http://www.lenovo.com/support To create the PC-Doctor diagnostic CD, follow the instructions on the Web site. For some possible configurations of the computer, PC-Doctor might not run correctly. To avoid this problem, you need to initialize the computer setup by use of the ThinkPad Setup before you run PC-Doctor.

  • Page 37: Testing The Computer

    Configuration utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/support Testing the computer Note: The PC-Doctor for DOS CD-R/CD-RW disc supports only test of internal optical disc drives (CD-RW, CD-RW/DVD Combo, and DVD Multi drives) on ThinkPad computers.

  • Page 38: Lenovo Thinkvantage Toolbox

    Benchmark System DOS Shell Tech Support Form Battery Rundown Erase Drive Contents View PCDR Host Log Lenovo ThinkVantage Toolbox ® ® Lenovo ThinkVantage Toolbox is a diagnostic program that works through the Windows operating system. It enables you to view symptoms of computer problems and solutions for them, and includes automatic notification when action is required, computing assistance, advanced diagnostics, and diagnostic history.

  • Page 39: Fru Tests

    Web site. To run this program, do as follows: Windows 7: Click Start ➙ Control Panel ➙ System and Security ➙ Lenovo - System Health and Diagnostics. Windows XP: Click Start ➙ All Programs ➙ ThinkVantage ➙ Lenovo ThinkVantage Toolbox.

  • Page 40: Power System Checkout

    Table 1. FRU tests (continued) Applicable test TrackPoint or pointing If the TrackPoint does not work, check the configuration as specified in the ThinkPad device Setup. If the TrackPoint is disabled, select Automatic to enable it. After you use the TrackPoint, the pointer may drift on the screen for a short time. This drift can occur when a slight, steady pressure is applied to the TrackPoint pointer.

  • Page 41: Checking Operational Charging

    Note: Output voltage of pin no.2 of the ac power adapter may different from the one you are servicing. 3. If the voltage is not correct, replace the ac power adapter. 4. If the voltage is acceptable, do the following: •...

  • Page 42: Checking The Backup Battery

    4. If the voltage is more than +11.0 V dc, measure the resistance between battery terminals 5 and 7. The resistance must be 4 to 30 K Ω. If the resistance is not correct, replace the battery pack. If the resistance is correct, replace the system board.

  • Page 43: Chapter 4. Related Service Information

    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 Recovery Disc Set When the hard disk drive is replaced because of a failure, no product recovery program is on the new drive.

  • Page 44: Passwords

    2. Insert the Operating System Recovery Disc into the DVD drive. 3. Press F10 to save the ThinkPad Setup configuration changes. Follow the instructions on the screen to begin the recovery process. 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.

  • Page 45: Supervisor Password

    Attention: If the user HDP has been forgotten, check whether a master HDP has been set. If it has, it can be used for access to the hard disk drive. If no master HDP is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master HDP, or to recover data from the hard disk drive.

  • Page 46: Power Management

    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. 7. Type the current master HDP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice.

  • Page 47: Symptom-To-Fru Index

    • The system is powered off. If you have defined one of the following actions as the event that causes the system to go into hibernation mode, perform that action. • Closing the lid. • Pressing the power button. Also, the computer goes into hibernation mode automatically in either of the following conditions: •...

  • Page 48: Numeric Error Codes

    Numeric error codes Table 2. Numeric error codes Symptom or error (beeps, if any) FRU or action, in sequence 0187 System board. EAIA data access error-The access to EEPROM is failed. (two short beeps) 0189 System board. Invalid RFID configuration information area—The EEPROM checksum is not correct.

  • Page 49: Lcd-Related 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 50 2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Printer, mouse, and other external devices c. Battery pack d. Hard disk drive e. External diskette drive or optical drive f.

  • Page 51: Chapter 5. Status Indicators

    Power status • Green: The ac power adapter is connected. If a battery is installed on the computer, it is charged when this indicator is on. • Off: The ac power adapter is not connected. © Copyright Lenovo 2011...
  • Page 52 Table 6. Status indicators (continued) Indicator Meaning Sleep (standby) The illumination dot in the ThinkPad logo on the outer lid of the computer and on the status palm rest works as a system-status indicator: it shows whether the computer is in sleep (standby), hibernation, or normal mode.

  • Page 53: Chapter 6. Special Keys

    The computer display becomes brighter. The purpose of this method is to change the (F8) brightness level temporarily. To change the default brightness level, change the settings of the Power Option in the Control Panel or use the Power Manager © Copyright Lenovo 2011...
  • Page 54 Table 7. Special keys (continued) Description Special key Wireless radio control Enables or disables the built-in wireless networking features. If you press this key, a list (F9) of wireless features is displayed. You can quickly change the power state of each feature in the list.

  • Page 55: Chapter 7. Fru Replacement Notices

    CRU; and (2) you may be charged for the replacement CRU if Lenovo does not receive the defective part within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details.

  • Page 56: 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 57: 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. 2. From the main menu, select 4. Assign UUID. A new UUID is created and written. If a valid UUID already exists, it is not overwritten.
  • Page 58 Hardware Maintenance Manual...

  • Page 59: Chapter 8. Removing And Replacing A Fru

    CRU; and (2) you may be charged for the replacement CRU if Lenovo does not receive the defective part within thirty (30) days of your receipt of the replacement CRU. See your Lenovo Limited Warranty documentation for full details.

  • Page 60: 1010 Battery Pack

    Important notice for replacing a battery pack: • Lenovo ThinkVantage Toolbox has an automatic battery diagnostic that determines if the battery pack is defective. A battery pack FRU should not be replaced unless this diagnostic shows that the battery is defective.

  • Page 61: 1020 Expresscard Blank Bezel

    Table 8. Removal steps of battery pack (continued) When installing: Install the battery pack in the slot. Make sure that the battery latch is in the locked position. 1020 ExpressCard blank bezel Table 9. Removal steps of ExpressCard blank bezel When you press the ExpressCard blank bezel , it pops out Chapter 8...

  • Page 62: 1030 Bottom Slot Cover

    Table 9. Removal steps of ExpressCard blank bezel (continued) When installing: Make sure that the bezel is correctly oriented as shown in the following figure. 1030 Bottom slot cover For access, remove this FRU: • “1010 Battery pack” on page 54 Table 10.

  • Page 63: 1040 Optical Drive Or Travel Cover

    Table 10. Removal steps of bottom slot cover (continued) 1040 Optical drive or travel cover For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Bottom slot cover” on page 56 Table 11. Removal steps of optical drive or travel cover Step Screw (quantity) Color...

  • Page 64: 1050 Memory Modules

    Table 11. Removal steps of optical drive or travel cover (continued) 1050 Memory modules For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Bottom slot cover” on page 56 Table 12. Removal steps of memory modules Note: If only one memory module is used on the computer you are servicing, the card must be installed in SLOT-0 : lower slot), but not in SLOT-1 ( : upper slot).

  • Page 65: 1060 Hard Disk Drive Assembly

    Table 12. Removal steps of memory modules (continued) When installing: Insert the notched end of the memory module into the socket. Press the memory module firmly, and pivot it until it snaps into place. Make sure that it is firmly installed in the slot and does not move easily. 1060 Hard disk drive assembly For access, remove these FRUs in order: •...
  • Page 66 Table 13. Removal steps of HDD assembly (continued) When installing: Make sure the HDD is attached firmly. Table 14. Removal steps of HDD bracket Step Screw (quantity) Color Torque Black 0.392 Nm M3 × 2.8 mm, wafer-head, nylon-coated (4) (4 kgfcm) Hardware Maintenance Manual...

  • Page 67: 1070 Pci Express Mini Card For Wireless Lan

    1070 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Bottom slot cover” on page 56 Table 15. Removal steps of PCI Express Mini Card for wireless LAN In step , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in the direction of the arrow.

  • Page 68: 1080 Pci Express Mini Card For Wireless Wan

    Table 15. Removal steps of PCI Express Mini Card for wireless LAN (continued) When installing: Plug the gray cable into the jack marked MAIN or M, and the black cable into the jack marked AUX or A on the card. Note: In models with a wireless LAN card that has three antenna connectors, plug the gray cable (MAIN) into the jack marked TR1, the white cable (third) into the jack marked RO or TR3, and the black cable (AUX) into the jack marked TR2 on the card.

  • Page 69: 1080 Msata Solid State Drive

    Table 16. Removal steps of PCI Express Mini Card for wireless WAN (continued) 1080 mSATA solid state drive For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Bottom slot cover” on page 56 Attention: •...

  • Page 70: 1090 Backup Battery

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, wafer-head, nylon-coated (1) (1.85 kgfcm) 1090 Backup battery For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Bottom slot cover” on page 56 Table 17.

  • Page 71: 1110 Keyboard

    1110 Keyboard For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Bottom slot cover” on page 56 Table 18. Removal steps of keyboard When installing: Make sure the screws have been fastened to secure to keyboard. Step Screw (quantity) Color...

  • Page 72: 1120 Top Case Assembly

    Table 18. Removal steps of keyboard (continued) When installing: Make sure that the connectors are attached firmly. When installing: Attach the keyboard so that the keyboard edge is under the frame as shown in the following figure. 1120 Top case assembly For access, remove these FRUs in order: •...
  • Page 73 Table 19. Removal steps of top case assembly Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 6 mm, wafer-head, nylon-coated (10) (1.85 kgfcm) Torque Step Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated (5) Black 0.181 Nm (1.85 kgfcm) Chapter 8 Removing and replacing a FRU...
  • Page 74 Table 19. Removal steps of top case assembly (continued) Torque Step Screw (quantity) Color M2 × 6 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector is attached firmly to the system board. Hardware Maintenance Manual...

  • Page 75: 1130 Bluetooth Daughter Card

    Table 19. Removal steps of top case assembly (continued) In step , push the top case assembly out from the frame by using a plastic pry tool as shown in the following figure. Remove the top case assembly in the direction shown by the arrow , and then detach the connector When installing: Make sure that the connector is attached firmly to the system board.

  • Page 76: 1140 Express Sub Card

    • “1110 Keyboard” on page 65 • “1120 Top case assembly” on page 66 Table 20. Removal steps of Bluetooth daughter card Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, wafer-head, nylon-coated (1) (1.85 kgfcm) When installing: Make sure that the connector on the bottom side of the card is attached firmly to the system board. 1140 Express sub card For access, remove these FRUs in order: •...

  • Page 77: 1150 Speaker Assembly

    Table 21. Removal steps of Express sub card (continued) Torque Step Screw (quantity) Color M2 × 6 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) 1150 Speaker assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 54 •...

  • Page 78: 1160 System Board Assembly And Fan Assembly

    Table 22. Removal steps of speaker assembly 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. 1160 System board assembly and fan assembly Important notices for handling the system board: When handling the system board, bear the following in mind.
  • Page 79 Note: If the test shows that the HDD Active Protection System is not functioning, be sure to document the drop in any reject report, and replace the system board. • Avoid rough handling of any kind. • At every point in the process, be sure not to drop or stack the system board. •...
  • Page 80 Table 23. Removal steps of system board (continued) For models with an integrated thermal module Hardware Maintenance Manual...
  • Page 81 Table 23. Removal steps of system board (continued) Torque Step Screw (quantity) Color M2 × 6 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) Torque Step Screw (quantity) Color M2 × 6 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector is attached firmly to the system board.
  • Page 82 Table 23. Removal steps of system board (continued) • Make sure that you route the cables correctly and you tape up the cables in the proper positions as shown in the following figure. • When you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.
  • Page 83 Table 24. Removal steps of fan assembly (continued) When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked as shown in the following figures. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component.

  • Page 84: 1170 Cpu

    1170 CPU For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1020 ExpressCard blank bezel” on page 55 • “1030 Bottom slot cover” on page 56 • “1040 Optical drive or travel cover” on page 57 •...

  • Page 85: 1180 Dc-In Sub Card And Base Cover Assembly

    1180 DC-in sub card and base cover assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1020 ExpressCard blank bezel” on page 55 • “1040 Optical drive or travel cover” on page 57 •...
  • Page 86 Table 26. Removal steps of DC-in sub card (continued) Table 27. Removal steps of base cover assembly Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 6 mm, wafer-head, nylon-coated (2) (4 kgfcm) Hardware Maintenance Manual...
  • Page 87 Table 27. Removal steps of base cover assembly (continued) Step Screw (quantity) Color Torque M2.5 × 6 mm, wafer-head, nylon-coated (2) Black 0.392 Nm (4 kgfcm) Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. If the Windows Authentication label (COA) 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...

  • Page 88: 1190 Lcd Unit

    China 3G wireless WAN label Non Encryption label or Indonesia rating label Israel label Product label Brazil wireless WAN label Wireless label for special bid China wireless WAN label Asset tag For some models, you need to apply two FCC labels. Check the old base cover; if it has two FCC labels, apply both to the new base cover.
  • Page 89 Table 28. Removal steps of LCD unit Step Screw (quantity) Color Torque M2.5 × 6 mm, wafer-head, nylon-coated (2) Black 0.392 Nm (4 kgfcm) Step Screw (quantity) Color Torque M2.5 × 6 mm, wafer-head, nylon-coated (2) Black 0.392 Nm (4 kgfcm) Chapter 8 Removing and replacing a FRU...

  • Page 90: 2010 Lcd Bezel Assembly

    Table 28. Removal steps of LCD unit (continued) When installing: Make sure that the connector is attached firmly to the system board. In step , release wireless antenna cables from the cable guides. 2010 LCD bezel assembly For access, remove these FRUs in order: •...

  • Page 91: 2020 Integrated Camera

    • “1080 mSATA solid state drive” on page 63 • “1110 Keyboard” on page 65 • “1120 Top case assembly” on page 66 • “1190 LCD unit” on page 82 Table 29. Removal steps of LCD bezel assembly Step Screw cap Screw (quantity) Color Torque...

  • Page 92: 2030 Lcd Panel, Lcd Cable, Lcd Rear Cover Assembly, And Hinges

    • “1190 LCD unit” on page 82 • “2010 LCD bezel assembly” on page 84 Table 30. Removal steps of integrated camera When installing: Make sure that the connector is attached firmly. 2030 LCD panel, LCD cable, LCD rear cover assembly, and hinges For access, remove these FRUs in order: •...
  • Page 93 Table 31. Removal steps of LCD panel, LCD cable, and LCD rear cover assembly Step Screw (quantity) Color Torque 0.181 Nm M2 × 3.5 mm, wafer-head, nylon-coated (4) Silver (1.85 kgfcm) Chapter 8 Removing and replacing a FRU...
  • Page 94 Table 31. Removal steps of LCD panel, LCD cable, and LCD rear cover assembly (continued) When installing: Make sure that the LCD connector is attached firmly. Table 32. Removal steps of hinges Step Screw (quantity) Color Torque M2 × 3.5 mm, wafer-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgfcm)

  • Page 95: 2040 Wireless Lan Antenna Assembly, Wireless Wan Antenna Assembly, And Lcd Rear Cover Assembly

    Table 32. Removal steps of hinges (continued) 2040 Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 54 • “1030 Bottom slot cover” on page 56 •...
  • Page 96 Table 33. Removal steps of Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly (continued) Cable routing: When you install the antenna assembly, route the cables as shown in the following figure. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.
  • Page 97 Table 33. Removal steps of Wireless LAN antenna assembly, wireless WAN antenna assembly, and LCD rear cover assembly (continued) Note: Some models might have a third white cable for wireless LAN. Chapter 8 Removing and replacing a FRU...
  • Page 98 Hardware Maintenance Manual...

  • Page 99: Chapter 9. Locations

    Chapter 9. Locations This chapter presents the locations of the ThinkPad Edge E420 hardware components. Front view Integrated camera Power status indicator Built-in microphones Fingerprint reader (for some models) Power switch Touch pad buttons Security keyhole Touch pad ac power connector...

  • Page 100: Rear View

    Rear view Sleep (standby) status indicator eSATA/USB connector Media Card Reader slot USB connectors Combo audio jack External monitor connector HDMI port RJ-45 (Ethernet) connector : For the description of the sleep (standby) status indicator, see Chapter 5 “Status indicators” on page 45. Bottom view Battery pack Bottom slot cover...

  • Page 101: Chapter 10. Parts List

    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 may find a list of CRUs in the publications that ship with your product or at http://www.lenovo.com/CRUs. You may be required to return the defective part that is replaced by the CRU.

  • Page 102: Overall

    Overall Hardware Maintenance Manual...
  • Page 103 Table 34. Parts list - Overall No. FRU (Overall) FRU no. LCD unit (see “LCD FRUs” on page 107.) Keyboard (see “Keyboard” on page 111.) 04W1478 N Top case assembly without fingerprint reader • 1141-CTO, HWx, HVx, H4x, H3x, H2x, GZx, GYx, GXx, GBx, G9x, G8x, G7x, G6x, G5x, G4x, G3x, G2x, FZx, FYx, FNx, FMx, FLx, FKx, FJx, FHx, FGx, FFx, FEx, FDx, FCx, FBx, FAx, F9x, F8x, F7x, F6x, EZx, EYx, EXx, EWx, EVx, EUx, ETx, ESx, ERx, EQx, EPx, ENx, EMx, ELx, EBx, ECx, EDx, EEx, EFx, EGx, 20x, 50x, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 29x,...
  • Page 104 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. CHx, CGx, CFx, CEx, CDx, CCx, CBx, CAx, C9x, C8x, C7x, C6x, C4x, C2x, BZx, E3x, E2x, DWx, DTx, DSx, DRx, DQx, DPx, DNx, DMx, EJx, 30x, 51x, 3Cx, 3Dx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 5Xx, 5Yx, 6Gx, 6Rx, 9Bx, GGx, E9x, 31x, 5Vx, 5Wx, 5Zx, 8Yx, 8Xx •...
  • Page 105 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. 93x, 92x, 8Zx, 8Yx, 8Xx, 8Wx, 88x, 87x, 86x, 85x, 84x, 9Rx, 9Qx, 9Px, 9Nx, 9Mx, 9Lx, 9Kx, 9Jx, 9Hx, 9Gx, 9Fx, 9Ex, 9Dx, 9Cx, AHx, AGx, AFx, AEx, ADx, ACx, ABx, AAx, A9x, 9Xx, 9Vx, 9Ux, 9Tx, 9Sx, ANx, AMx, ALx, AKx, AJx, BQx, BPx, BNx, BMx, BKx, BJx, BHx, BGx, BFx, BEx, BDx, BCx, BBx, BAx, B9x, B8x, B4x, AZx, AVx, ASx, ARx, AQx, APx, DHx, DGx, DFx, DEx, DDx, DCx, DBx, DAx, D9x, D8x, D7x, D6x, D5x, D4x, D3x, D2x, CZx, CYx,...
  • Page 106 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. 04W1862 N Base cover assembly for Taiwan, 90 W • 1141-CTO, HEx, HDx, HCx, HBx, HAx, H9x, H8x, H6x, H4x, H3x, H2x, GZx, GYx, GXx, GWx, GVx, GUx, GTx, GHx, HXx, GGx, GFx, GEx, GBx, G9x, G8x, G7x, G6x, G5x, G4x, G3x, G2x, FZx, FYx, FQx, FMx, FLx, FJx, FHx, FEx, FDx, FCx, FBx, FAx, F9x, F8x, F7x, F6x, EZx, EYx, EXx, EWx, EVx, EUx, ESx, ERx, EPx, ENx, E9x, EAx, EBx, ECx, EDx, EEx, 30x, 31x, 23x, 25x, 26x, 29x, 2Ax, 2Jx, 2Kx, 2Lx, 2Mx, 2Wx, 2Xx, 2Yx, 2Zx, 33x, 34x, 39x,...
  • Page 107 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. 6Ax, 6Bx, 6Cx, 6Dx, 6Ex, 6Fx, 6Gx, 6Hx, 6Jx, 6Kx, 6Lx, 6Mx, 6Nx, 6Px, 6Qx, 6Rx, 6Sx, 6Tx, 6Ux, 6Vx, 6Wx, 6Xx, 6Yx, 78x, 79x, 7Ax, 7Bx, 7Cx, 7Dx, 7Ex, 7Fx, 7Gx, 7Hx, 7Jx, 7Kx, 7Lx, 7Mx, 7Nx, 7Px, 7Qx, 7Rx, 7Sx, 7Tx, 7Ux, 9Bx, 9Ax, 99x, 98x, 97x, 96x, 95x, 94x, 93x, 92x, 8Zx, 8Yx, 8Xx, 8Wx, 8Vx, 8Ux, 8Tx, 8Sx, 8Rx, 8Qx, 8Px, 8Nx, 8Mx, 8Lx, 8Kx, 8Jx, 8Hx, 8Gx, 8Fx, 8Ex, 8Dx, 8Cx, 8Bx, 8Ax, 89x, 88x, 87x, 86x, 85x, 84x, 9Rx, 9Qx, 9Px, 9Nx,...
  • Page 108 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. 04W1261 SATA hard disk drive, 500 GB, 7,200 rpm • 1141-CTO, HNx, HLx, HDx, H9x, GUx, GTx, GQx, GPx, GLx, GKx, GJx, GHx, HXx, GCx, 04W1263 FUx, ECx, EGx, 31x, 51x, 22x, 23x, 24x, 27x, 28x, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 04W1265 2Hx, 2Jx, 2Kx, 2Lx, 2Mx, 2Sx, 2Tx, 2Xx, 34x, 35x, 37x, 3Ax, 3Ex, 3Hx, 3Kx, 3Lx, 3Nx, 3Px, 3Tx, 3Vx, 3Wx, 3Yx, 3Zx, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx,...
  • Page 109 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. 89x, 88x, 87x, 86x, 85x, 84x, 9Rx, 9Qx, 9Px, 9Nx, 9Mx, 9Lx, 9Kx, 9Jx, 9Hx, 9Gx, 9Fx, 9Ex, 9Dx, 9Cx, AHx, AGx, AFx, AEx, ADx, ACx, ABx, AAx, A9x, A8x, A7x, A6x, A5x, A4x, A3x, 9Yx, 9Xx, 9Wx, 9Vx, 9Ux, 9Tx, 9Sx, ANx, AMx, ALx, AKx, AJx, BQx, BPx, BNx, BMx, BKx, BJx, BHx, BGx, BFx, BEx, BDx, BCx, BBx, BAx, ASx, ARx, AQx, APx, DHx, DGx, DFx, DEx, DDx, DCx, DBx, DAx, D8x, D7x, D6x, D5x, D4x, D3x, D2x, CZx, CYx, CXx, CWx, CVx,...
  • Page 110 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. 60Y3195 Intel Centrino Advanced-N + WiMAX 6250, WW SKU • 1141-CTO, 6Gx, 31x • 1167-CTO Intel Centrino Advanced-N + WiMAX 6250, Russian SKU 60Y3209 • 1141-CTO • 1167-CTO CPU assembly, Intel Core™...
  • Page 111 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. ® 04W1894 N CPU assembly, Intel Pentium Dual Core B940 Processor (2.00GHz), Q0 • 1141-CTO, 9Ax, 99x, 98x, 97x, 96x, 8Xx, 8Wx, 8Mx, 8Lx, 8Kx, 8Jx, 8Hx, 8Gx, 8Fx, 8Ex, 8Dx, 8Cx, 8Bx, 8Ax, 89x, 88x, 87x, 86x, 85x, A2x, 9Zx, 9Wx, 9Tx, 9Sx •...
  • Page 112 Table 34. Parts list - Overall (continued) No. FRU (Overall) FRU no. 04W1746 N System board assembly, AMD FCH_H2 Switchable_HD6470M, 1GB • 1198-CTO, 4Ax, 49x, 48x, 47x, 46x, 45x, 44x, 43x, 42x, 3Zx, 3Yx, 3Xx, 3Wx, 3Vx, 3Ux, 3Tx, 3Sx, 22x, 23x, 24x, 2Wx, 2Vx, 2Ux, 2Tx, 2Sx, 2Rx, 2Qx, 2Px, 2Nx, 2Mx, 2Lx, 2Kx, 2Jx, 2Hx, 2Gx, 2Fx, 2Ex, 2Dx, 2Cx, 2Bx, 2Ax, 29x, 28x, 27x, 26x, 25x, 3Rx, 3Qx, 3Px, 3Nx, 3Mx, 3Lx, 3Kx, 3Jx, 3Hx, 3Gx, 3Fx, 3Ex, 3Dx, 3Cx, 3Bx, 3Ax, 39x, 38x, 36x, 35x, 34x, 33x, 32x, 2Zx, 2Yx, 2Xx...

  • Page 113: Lcd Frus

    LCD FRUs Chapter 10 Parts list...
  • Page 114 Table 35. Parts list - LCD No. FRU (LCD) FRU no. 04W3263 N LCD cover kit, black • 1141-CTO, HWx, HVx, HUx, HTx, HSx, HRx, HQx, HPx, HNx, HMx, HLx, HKx, HHx, HFx, HEx, HDx, HCx, HAx, H8x, H7x, H6x, H5x, H3x, H2x, GZx, GXx, GVx, GTx, GRx, GPx, GMx, GKx, GJx, GHx, HXx, GGx, GFx, GEx, GDx, GCx, G9x, G8x, G7x, G4x, G3x, FYx, FXx, FWx, FVx, FUx, FTx, FSx, FQx, FPx, FNx, FMx, FLx, FKx, FJx, FHx, FGx, FFx, FDx, FCx, FBx, FAx, F9x, F6x, EZx, EYx, EXx, EWx, EVx, EUx, ETx, ESx, ERx, EQx, EPx, ENx,...
  • Page 115 Table 35. Parts list - LCD (continued) No. FRU (LCD) FRU no. 86x, 85x, 84x, 9Rx, 9Qx, 9Px, 9Nx, 9Mx, 9Lx, 9Kx, 9Jx, 9Hx, 9Gx, 9Fx, 9Ex, 9Dx, 9Cx, AHx, AGx, AFx, AEx, ADx, ACx, ABx, AAx, A9x, A8x, A7x, A6x, A5x, A4x, A3x, A2x, 9Zx, 9Yx, 9Xx, 9Wx, 9Vx, 9Ux, 9Tx, 9Sx, ANx, AMx, ALx, AKx, AJx, BQx, BPx, BNx, BMx, BKx, BJx, BHx, BGx, BFx, BEx, BDx, BCx, BBx, BAx, B9x, B8x, B7x, B6x, B5x, B4x, B3x, B2x, AZx, AYx, AXx, AWx, AVx, AUx, ATx, ASx, ARx, AQx, APx, DHx, DGx, DFx,...
  • Page 116 Table 35. Parts list - LCD (continued) No. FRU (LCD) FRU no. Hinges, silver 04W1854 • 1141-CTO, HJx, HGx, HBx, H9x, H4x, GYx, GWx, GUx, GSx, GQx, GNx, GLx, GBx, G6x, 04W1853 G5x, G2x, FZx, FEx, F8x, F7x, EEx, 30x, 31x, 2Cx, 2Dx, 2Gx, 2Kx, 2Mx, 32x, 33x, 34x, 35x, 3Dx, 3Ex, 3Fx, 46x, 49x, 4Bx, 4Cx, 4Gx, 4Hx, 4Kx, 4Lx, 4Px, 4Qx, 4Tx, 4Vx, 4Wx, 4Zx, 52x, 54x, 5Fx, 5Hx, 5Mx, 5Sx, 5Ux, 5Wx, 64x, 65x, 6Ax, 6Jx, 6Kx, 6Nx, 6Qx, 6Tx, 7Dx, 7Ex, 7Gx, 7Kx, 7Lx, 7Px, 7Qx, 7Tx, 9Ax, 86x, 9Rx, A8x, A6x, A4x, A2x, BJx, BHx,...

  • Page 117: Keyboard

    Keyboard Table 36. Parts list—Keyboard Language FRU no. Arabic 04W0805 04W0769 Belgian 04W0806 04W0770 Brazilian Portuguese 04W0804 04W0768 Bulgarian 04W0807 04W0771 Canadian French (058) 04W0802 04W0766 Canadian French (Acnor) 04W0801 04W0765 Czech 04W0808 04W0772 Danish 04W0809 04W0773 Dutch 04W0819 04W0783 Finnish, Swedish 04W0826 04W0790...

  • Page 118: Miscellaneous Parts

    Miscellaneous parts Table 37. Parts list—Miscellaneous parts FRU no. Screw kit (including nylon-coated screws): 04W1840 N • M2 × 3 mm (black), wafer head (18) • M2 × 3.5 mm (silver), wafer head (8) • M2 × 4.5 mm (black), wafer head (4) •...

  • Page 119: Recovery Discs

    Table 40. Parts list—2-pin power cords FRU no. Country or region Argentina 42T5020 42T5105 • models -CTO, xxY Brazil 42T5180 42T5183 • models -CTO, xxP Canada, U.S. 42T5008 42T5093 • models -CTO, xxF, xxL, xxS, xxU Japan 42T5014 42T5099 • models -CTO, xxE, xxJ Table 41.

  • Page 120: Windows 7 Home Basic (32 Bit) Dvds

    limitation, if a model came with Windows XP Professional preinstalled from the factory, but has either a Windows 7 or Windows Vista COA affixed to the system, that model is eligible only for recovery DVDs that match the operating system specified on the COA. Windows XP Professional (32 bit) is preinstalled as the operating system in the following models: •...

  • Page 121: Windows 7 Home Basic (64 Bit) Dvds

    Table 43. Parts list—Windows 7 Home Basic (32 bit) recovery DVDs Language CRU ID Arabic 04T2792 Brazilian Portuguese 04T2793 French 04T2796 Indian English 04T2795 Portuguese 04T2797 Russian 04T2798 Serbian-Latin 04T2800 04T2794 Simplified Chinese Spanish 04T2799 Turkish 04T2801 04T2802 US English Windows 7 Home Basic (64 bit) DVDs Windows 7 Home Basic (64 bit) is preinstalled as the operating system in the following models: •...

  • Page 122: Windows 7 Home Premium (64 Bit) Dvds

    Table 45. Parts list—Windows 7 Home Premium (32 bit) recovery DVDs Language CRU ID Indian English 04T2815 Simplified Chinese 04T2814 US English 04T2816 Windows 7 Home Premium (64 bit) DVDs Windows 7 Home Premium (64 bit) is preinstalled as the operating system in the following models: •...

  • Page 123: Windows 7 Professional (32 Bit) Dvds

    Windows 7 Professional (32 bit) DVDs Windows 7 Professional (32 bit) is preinstalled as the operating system in the following models: • 1141-CTO, 2Px, 2Sx, 6Bx, 6Cx, 6Dx, 6Ex • 1167-CTO Table 47. Parts list—Windows 7 Professional (32 bit) recovery DVDs Language CRU ID French...

  • Page 124: Common Service Tools

    USB floppy diskette drive for maintenance diskette 05K9283 USB floppy diskette drive tool kit 27L3452 Test card for integrated Smart Card 42W7820 — LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later Note: Download the file from the following Web site: http://www.lenovo.com/support Hardware Maintenance Manual...

  • Page 125: 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 126: 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: Active Protection System Lenovo ThinkPad...
  • Page 128 Part Number: 0A60575_03 Printed in China (1P) P/N: 0A60575_03 *0A60575_03*...

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