Lenovo 42404AU User Manual

Lenovo 42404AU Manual

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  • Lenovo 42404AU | User Manual - Page 1
    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 2
  • Lenovo 42404AU | User Manual - Page 3
    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    and the product it supports, be sure to read the general information under Appendix A "Notices" on page 165. Second Edition (March 2011) © Copyright Lenovo 2011. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration "GSA" contract, use
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    first 27 Checkout guide 28 Diagnostics using PC-Doctor for DOS. . . . 28 Lenovo ThinkVantage Toolbox 30 problems 43 Undetermined problems 44 Chapter 5. Installing and configuring RAID 45 Supported replacing a FRU 59 Before servicing ThinkPad T520, T520i, and W520 60 1010 Battery pack 60
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    7 Home Premium (64 bit) DVDs . . 161 Windows 7 Professional (32 bit) DVDs. . . . 162 Windows 7 Professional (64 bit) DVDs. . . . 163 Common service tools 164 Appendix A. Notices 165 Electronic emissions notices 166 Trademarks 166 iv ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    , and 4246 ThinkPad W520 MT 4249, 4260, 4270, 4276, 4281, 4282, and 4284 Use this manual along with the advanced diagnostic tests to troubleshoot problems. Important: This manual is intended only for trained service technicians who are familiar with ThinkPad products. Use this manual along with the
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    vi ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    that you need to be familiar with before you service a ThinkPad Notebook. • "General safety" on page 1 • "Electrical safety" on page 2 • "Safety inspection guide" on page 3 • "Handling devices that are . Do not obstruct fan louvers or cover them with labels or stickers. © Copyright Lenovo 2011 1
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    (EPO) switch, disconnecting switch, or electrical outlet. If an electrical accident occurs, you can with very high voltages; Instructions for these precautions are and machine damage. • Do not service the following parts with the power on ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    ThinkPad features or options not covered by this 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 every service task Power off the computer. Disconnect the power
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    , to provide protection that meets the specific service requirement. Note: The use of a grounding computer. Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts. 4 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts
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    DANGER Unless hot swap is allowed for the FRU being replaced, do as follows before removing it: power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any interconnecting cables. 6 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    PERIGO Antes de ligar o computador após a substituição da FRU, certifique-se de que todos os parafusos, molas e outras peças pequenas estejam no lugar e não estejam soltos dentro do computador. Verifique isso sacudindo o computador e procurando ouvir sons de peças soltas. Peças metálicas ou lascas
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    é et assurez-vous qu'aucun bruit suspect ne se produit. Des pièces métalliques ou des copeaux de métal pourraient causer un court-circuit. DANGER 8 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Certaines batteries de secours contiennent du nickel et du cadmium. Ne les démontez pas, ne les rechargez pas, ne les exposez ni au feu ni à l'eau. Ne les mettez pas en court-circuit. Pour les mettre au rebut, conformez-vous à la réglementation en vigueur. Lorsque vous remplacez la pile de
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    et déconnectez tous les câbles d'interconnexion. VORSICHT Bevor nach einem FRU-Austausch der Computer wieder angeschlossen wird, muß sichergestellt werden, daß keine Schrauben, Federn oder andere kann zu Entzündung oder Explosion führen. 10 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Entsorgung die örtlichen Bestimmungen für Sondermüll beachten. Der LCD-Bildschirm besteht aus Glas und kann zerbrechen, wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt. Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen ger
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    12 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Chapter 1. Safety information 13
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    14 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Antes de encender el sistema despues de sustituir una FRU, compruebe que todos los tornillos, muelles y demás piezas pequeñas se encuentran en su sitio y no se encuentran sueltas dentro del sistema. Compruébelo agitando el sistema y escuchando los posibles ruidos que provocarían. Las piezas metá
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    : apague el sistema, desconecte todos los cables de alimentación de las tomas de alimentación eléctrica, extraiga la batería y desconecte los cables de interconexión. 16 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    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 17
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    18 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Chapter 1. Safety information 19
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    20 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Chapter 1. Safety information 21
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    22 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    this manual. After a system board is replaced, ensure that the latest UEFI BIOS is loaded to the system board before completing the service action. To download software fixes, drivers, and UEFI BIOS, do as follows: 1. Go to http://www.lenovo.com/support. 2. Enter the product number of the computer
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    in the Symptom-to-FRU Index for the computer you are servicing. Strategy for replacing FRUs for CTO, CMV, (CMV) This is a unique configuration that has been negotiated between Lenovo and the customer. A unique 4-digit MT and 3-digit model ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    accessed at the following Web site: http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY Select Warranty lookup. Input the MT and the Serial number Category" select SERVICE PARTS. Under "Parts Information by Date" select SYSTEM SERVICE PARTS. The list of service parts by
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    26 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    to any ThinkPad model that supports the PC-Doctor® for DOS diagnostics program. Some descriptions might not apply to your particular computer. Before you go to the checkout guide, be sure to read the following important notes. Important: • Only certified trained personnel should service the computer
  • Lenovo 42404AU | User Manual - Page 36
    : 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
  • Lenovo 42404AU | User Manual - Page 37
    Configuration utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/support PC-Doctor cannot be used to test a device that is in the docking station, even if the computer supports the docking station. To test a USB device, connect it to the USB connector of the
  • Lenovo 42404AU | User Manual - Page 38
    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. 30 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    .lenovothinkvantagetoolbox.com/ To install the latest Lenovo ThinkVantage Toolbox on the computer, follow the instructions on the Web site. To run is attached to the ThinkPad Notebook, detach it. 4. Place the computer on a horizontal surface, and run Diagnostics ➙ ThinkPad Devices ➙ HDD Active
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    service action is necessary. Touch Pad If enabling the TrackPoint does not correct the problem, continue with the following: • Interactive Tests ➙ Mouse If the Touch Pad does not work, check the configuration as specified in the ThinkPad 32 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    are here because the computer fails only when the ac adapter is used. • If the power problem occurs only when the Note: Output voltage of pin no.2 of the ac adapter may different from the one you are servicing. 3. If the voltage is not correct, replace the ac adapter. 4. If the voltage is acceptable
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    , reinstall and recharge it. To check the battery pack, do the following: 1. Power off the computer. 2. Remove the battery pack and measure the voltage between battery terminals 1 (+) and 7 (-). See replacement, replace the system board. 34 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    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 disc set consists of the user instructions and the following set of DVDs to restore the computer to the original factory configuration.
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    follow the instructions on the screen. 6. Click Yes in the displayed window to begin the operating system recovery process. 7. Insert the Applications and Drivers Recovery Disc HDP is available, neither Lenovo nor Lenovo authorized 36 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    is known by the service technician: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enter ThinkPad Setup. When Power be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user HDPs
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    then the computer enters the power-saving mode automatically. To cause the computer to return from sleep (standby) mode and resume operation, do one of the following: • Press the Fn key. • Open the LCD cover. • Turn on the power switch. 38 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    support the ring indicator (RI) resume by PC Card device.) • The time set on the resume timer elapses. Note: The computer : If the computer enters the hibernation cause the computer to Also, the computer goes into hibernation the computer Intermittent problems" on page 43 • "Undetermined problems"
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    problem, put the original part back in the computer. Do not replace a nondefective FRU. This index can also help you determine, during regular servicing problems" on page 43. Note: For a device not supported by diagnostic codes in the ThinkPad Notebooks, see the manual Run ThinkPad ThinkPad ThinkPad
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    Place the Notebook on a horizontal surface. Do not apply any physical shock to the computer. 3. Run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. 1. Reseat the hard disk drive. 2. Main 1. Fan 2. Thermal grease 3. System board System board Chapter 4. Related service information 41
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    system does not support batteries that are not genuine Lenovo-made or authorized. The system will continue to boot, but may not charge unauthorized batteries. Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or
  • Lenovo 42404AU | User Manual - Page 51
    the notebook computer contains many 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. Note: • This policy applies to all ThinkPad
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    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 assembly 44 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    supported models in this product. Note: When the UEFI BIOS was formatted or the system board was replaced in the RAID-supported computer you are servicing. This product supports Supported RAID configurations The following RAID configurations are supported on ThinkPad W520 the ThinkPad Setup ThinkPad
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    to non-RAID, and press Enter. Attention: If the Serial ATA item in the ThinkPad Setup menu of the computer you are servicing was set to AHCI when it was manufactured, then to create a RAID array you see "Creating RAID volumes" on page 45. 46 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Chapter 6. Status indicators This chapter presents the system status indicators that show the status of the computer. 1 2 3 4 5 6 9 8 7 12 11 10 © Copyright Lenovo 2011 47
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    Enhanced device. When this indicator is on, do not put the computer into sleep (standby) mode or turn off the computer. Note: Do not move the system while the green device access light The fingerprint could not be authenticated. 48 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    is turned off or is in sleep (standby) mode or hibernation mode. An error has been occurred in the battery. The battery pack of the computer is detached. Calibration is complete. When the lid is opened, the indicator turns off. Display colors are being calibrated. Chapter 6. Status indicators 49
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    50 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Fn+F2 Lock the computer. Fn+F3 Select a , ThinkPad PM device driver must have been installed on the computer. If drivers must be installed on the computer beforehand: • Power Management driver • OnScreen Display Utility • Wireless device drivers computer is an Windows 7 model, it does not support
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    ) Notes: • This function is not supported if different desktop images are displayed on the computer display and the external monitor (the Extend desktop function). • This function does not work while a DVD movie or a video clip is playing. • As for ThinkPad W520 models, the CRT connector does not
  • Lenovo 42404AU | User Manual - Page 61
    ac adapter. To change the default brightness level, change the settings of the Power Option in the Control Panel or use the Power Manager. The computer display becomes dimmer. Fn+Spacebar Fn+PrtSc Fn+ScrLk Fn+Pause Fn+cursor keys The purpose of this method is to change the brightness level
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    54 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Screw notices Loose screws can cause a reliability problem. In the ThinkPad Notebook, this problem is addressed with special nylon-coated screws that have are tightened firmly. - Ensure torque screw drivers are calibrated correctly following country specifications. © Copyright Lenovo 2011 55
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    number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later and restart the computer. 2. From the main menu, select 1. Set System Identification. 3. Select 1. Add S/N data from EEPROM. Follow the instructions on the screen. If the MTM and Product
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    or later. 1. Insert the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer. 2. From the main menu, select 6. Set ECA Information. 3. To read ECA information, select 2. Read ECA/rework number from EEPROM and follow the instruction. 4. To read box build date
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    58 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    observe the following general rules: 1. Do not try to service any computer unless you have been trained and certified. An untrained person Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then Copyright Lenovo 2011 59
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    Table 9. Removal steps of SIM card Some models of the ThinkPad T520, T520i, and W520 you are servicing might have the SIM card that the customer has installed. If the computer you are servicing has the SIM card, remove it before you start the servicing. To remove the SIM card, you need to remove the
  • Lenovo 42404AU | User Manual - Page 69
    Table 10. Removal steps of battery pack (continued) 1 2 3 When installing: Install the battery pack in the slot, and then make sure that the battery latch is in the locked position. 1020 Serial Ultrabay Enhanced device or travel bezel For access, remove this FRU: • "1010 Battery pack" on page 60
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    FRU: • "1010 Battery pack" on page 60 Table 12. Removal steps of DIMM slot cover Note: Loosen the screws 1 , but do not remove them. 62 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 12. Removal steps of DIMM slot cover (continued) 2 1 1040 DIMM (bottom slot) For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1030 DIMM slot cover" on page 62 Chapter 9. Removing and replacing a FRU 63
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    Table 13. Removal steps of DIMM (bottom slot) For ThinkPad T520 and T520i: 1 2 1 64 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 13. Removal steps of DIMM (bottom slot) (continued) For ThinkPad W520: a b 1 2 1 Note: If only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 a , but not in SLOT-2 b . When installing: Insert the notched end of the DIMM into the socket. Press the
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    Table 14. Removal steps of hard disk drive slot cover, HDD and HDD rubber rails or SSD and storage converter Note: Loosen the screw 1 , but do not remove it. 1 2 3 Table 15. Removal steps of HDD and HDD rubber rails 4 4 66 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 16. Removal steps of SSD and SSD spacers 4 4 When installing: Make sure that the SSD connector or HDD connector is attached firmly. 1060 Keyboard For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1030 DIMM slot cover" on page 62 Table 17. Removal steps of keyboard 1 1
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    keyboard bezel. 2 2. Lift the keyboard a little in the direction shown by arrow 3 , and then detach the connector 4 . 3 4 When installing the keyboard, do as follows: 68 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 18. Installation steps of keyboard 1. Attach the keyboard connector 1 . 1 2. Attach the keyboard so that the keyboard edges a are under the frame as shown in this figure. a a Chapter 9. Removing and replacing a FRU 69
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    sure that the front side of the keyboard ( b ) is housed firmly. b b b 5. Secure the keyboard by tightening the screws from the bottom side of the computer. 1070 DIMM (upper slot) For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1030 DIMM slot cover" on page 62 • "1060
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    Table 19. Removal steps of DIMM (upper slot) 1 2 1 Note: For ThinkPad W520, if only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 a , but not in SLOT-2 b . a b When installing: Insert the notched end of the DIMM into the socket. Press the
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    direction of the arrow. Note: Some models might have only two antenna cables in step 1 . 1 1 1 2 3 Step 2 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (1) 72 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual Color Silver Torque 0.181 Nm (1.85 kgfcm)
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    the gray cable into the jack labeled MAIN or M, and the black cable into the jack labeled AUX or A on the card. If the computer you are servicing has three cables, put the white cable in the cable protection tube as shown in this figure. • In models with wireless LAN card that
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    gently unplug them in direction of the arrow. 1 1 2 3 Step 2 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (1) Color Silver Torque 0.181 Nm (1.85 kgfcm) 74 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 21. Removal steps of PCI Express Mini Card for wireless WAN (continued) 4 Note: Plug the orange cable into the jack labeled MAIN, and the blue cable into the jack labeled AUX on the card. 1100 Keyboard bezel assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "
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    × 4 mm, bind-head, nylon-coated (4) M2 × 14 mm, bind-head, nylon-coated (7) Color Black Black Torque 0.181 Nm (1.85 kgfcm) 0.181 Nm (1.85 kgfcm) 76 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 23. Removal steps of keyboard bezel assembly (continued) 3 4 6 7 5 5 6 1110 Bluetooth daughter card (BDC-3.0) For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1180 Base cover assembly" on page 89 • "1060 Keyboard" on page 67 • "1100 Keyboard bezel assembly" on
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    62 • "1060 Keyboard" on page 67 • "1100 Keyboard bezel assembly" on page 75 DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. 78 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 25. Removal steps of backup battery 2 1 When installing: Make sure that the battery connector is attached firmly. 1130 Smart Card or Smart Card dummy spacer For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1030 DIMM slot cover" on page 62 • "1060 Keyboard" on page
  • Lenovo 42404AU | User Manual - Page 88
    Table 26. Removal steps of Smart Card 3 3 4 1 2 Step 3 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (3) Color Silver Torque 0.181 Nm (1.85 kgfcm) 5 6 5 80 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 27. Removal steps of dummy card and spacer 3 1 1 2 Step 1 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (3) 1140 Speaker assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1030 DIMM slot cover" on page 62 • "1060 Keyboard" on page 67 • "1100 Keyboard
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    installing: Make sure that the speaker connector is attached firmly. Then route the cables and secure them properly as shown in the figure above. 82 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    1150 Thermal module For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1030 DIMM slot cover" on page 62 • "1060 Keyboard" on page 67 • "1100 Keyboard bezel assembly" on page 75 • "1140 Speaker assembly" on page 81 Table 29. Removal steps of thermal module 1 When installing:
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    application of grease can cause a thermal problem due to imperfect contact with a component. For the new CPU thermal device/fan, you need to peel the thin film off from the rubbers marked b . For Switchable Graphics models: a b b a b 84 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Keyboard bezel assembly" on page 75 • "1140 Speaker assembly" on page 81 • "1150 Thermal module" on page 83 Attention: CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling. Chapter 9. Removing and replacing a FRU 85
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    for wireless LAN" on page 71 • "1090 PCI Express Mini Card for wireless WAN" on page 73 • "1100 Keyboard bezel assembly" on page 75 86 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 31. Removal steps of LCD unit 2 1 2 1 Step 1 Screw cap Screw (quantity) M2.5 × 6 mm, wafer-head, nylon-coated (2) 2 - M2.5 × 6 mm, wafer-head, nylon-coated (2) Color Black Black Torque 0.392 Nm (4.0 kgfcm) 0.392 Nm (4.0 kgfcm) 3 3 Step 3 Screw (quantity) M2.5 × 6 mm, wafer-head,
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    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. 88 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Table 31. Removal steps of LCD unit (continued) 10 10 1180 Base cover assembly For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "1020 Serial Ultrabay Enhanced device or travel bezel" on page 61 • "1030 DIMM slot cover" on page 62 • "1050 Hard disk drive slot cover, hard
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    from the old base cover, and need to be put on the new base cover. 1 Windows license label (COA) 2 Information label 3 IMEI barcode label 90 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    4 Mac address label 5 Vodafone label 6 Israel label 7 Modem label (only for PRC models) 8 China wireless WAN label 9 Modem AMOM label (only for Brazil) 10 Bluetooth label (only for Brazil) 11 Wireless card label (only for Brazil) 12 SIRIM label 16 Asset tag label For some models,
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    card" on page 91. The ac power connector is installed on the magnesium structure frame. If the computer is equipped with an MDC, the modem port is also installed on the magnesium structure frame. For Card for wireless WAN" on page 73 92 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Active Protection still functions. The procedure is as follows: 1. Place the computer on a horizontal surface. 2. Run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. Attention: Do not apply physical shock to the computer while the test is running. Table 34. Location of major sensitive
  • Lenovo 42404AU | User Manual - Page 102
    Table 34. Location of major sensitive components on the system board (continued) For Integrated Graphics models: a For Switchable Graphics models: a cb d For Workstation models: a cb d cb 94 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
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    Nm (1.85 kgfcm) When installing When you replace the system board, attach thermal rubbers as shown in this figure. Depending on the models you are servicing, the number of thermal rubbers are different. Check the thermal rubbers on the old system board, and find duplicates of them in the new FRU
  • Lenovo 42404AU | User Manual - Page 104
    1 1 Color Silver Torque 0.181 Nm (1.85 kgfcm) 1 Step 1 Screw cap Screw (quantity) M2.5 × 6 mm, wafer-head, nylon-coated (3) Color Black Torque 0.392 Nm (4.0 kgfcm) 96 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 105
    Table 37. Removal steps of LCD bezel assembly (continued) 2 2 2 2 2 2 2 2 3 When installing: Make sure that all the latches are attached firmly. 2020 LED sub card For access, remove these FRUs in order: • "1010 Battery pack" on page 60 • "2010 LCD bezel assembly" on page 96 Table 38. Removal
  • Lenovo 42404AU | User Manual - Page 106
    for wireless LAN" on page 71 • "1090 PCI Express Mini Card for wireless WAN" on page 73 • "1100 Keyboard bezel assembly" on page 75 98 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 107
    • "1170 LCD unit" on page 86 • "2010 LCD bezel assembly" on page 96 Table 40. Removal steps of LCD cable, camera cable, LCD panel, and hinges In step 1 , release the antenna cables from the left and right hinges. 1 1 2 2 2 2 Step 2 Screw (quantity) M2.5 × 6 mm, wafer-head, nylon-coated (4)
  • Lenovo 42404AU | User Manual - Page 108
    Table 40. Removal steps of LCD cable, camera cable, LCD panel, and hinges (continued) 3 4 5 5 5 6 7 8 When installing: Make sure that the LCD cable connector is attached firmly. 100 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 109
    Table 40. Removal steps of LCD cable, camera cable, LCD panel, and hinges (continued) 9 10 9 Step 9 Screw (quantity) M2 × 3 mm, wafer-head, nylon-coated (4) 9 10 9 Color Silver Torque 0.181 Nm (1.85 kgfcm) 2050 Antenna kit and LCD rear cover assembly For access, remove these FRUs in order: • "
  • Lenovo 42404AU | User Manual - Page 110
    cable guides, or a wire to be broken. a : Wireless WAN antenna, AUX (blue) b : Wireless LAN antenna, AUX (black) c : Wireless LAN antenna, 3rd (white) d : Wireless LAN antenna, MAIN (gray) e : Wireless WAN MAIN (orange) a b c d e 102 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 111
    Chapter 10. Locations This chapter presents the location of ThinkPad T520, T520i, and W520 features and hardware. Front view 1 Status indicators Note: 13 Fingerprint reader (for some models) 14 Color sensor (for ThinkPad W520) 15 Touch pad buttons 16 Touch pad 17 TrackPoint buttons 18
  • Lenovo 42404AU | User Manual - Page 112
    models) 6 Universal serial bus (USB) connectors 7 External monitor connector 8 DisplayPort 9 AC power connector 10 RJ-11 (modem) connector (for some models) 11 USB connector 104 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 113
    1 11 10 2 3 4 5 9 6 7 8 Bottom view 1 Battery pack 2 Battery pack latch 3 Docking connector 4 Solid state drive (SSD) or hard disk drive (HDD) slot 5 DIMM slot (bottom) 6 LCD cover latch 7 Serial Ultrabay Enhanced lock latch 8 Serial Ultrabay Enhanced eject latch 8 7 1 2
  • Lenovo 42404AU | User Manual - Page 114
    106 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 115
    • "Recovery discs" on page 160 • "Common service tools" on page 164 Notes: • Each FRU is service CRU; two asterisks (**) means that the part is an Optional-service CRU.ThinkPad Notebooks contain the following types of CRUs: Self-service service CRUs These CRUs are isolated parts within the computer
  • Lenovo 42404AU | User Manual - Page 116
    Overall 24 23 22 d c b 21 20 19 18 17 16 15 14 13 1 2 a 3 4 5 6 7 8 9 10 11 8 12 108 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 117
    Table 42. Parts list-Overall No. FRU (Overall) a - See "Miscellaneous parts" on page 157. d 1 LCD unit (see "LCD FRUs" on page 149.) 2 Palmrest assembly, no-Fingerprint Reader (FPR), no-Color Sensor (CS), with SmartCard Reader • 4239-CTO, 22x, 4Cx • 4240-CTO • 4241-CTO • 4242-CTO, 3Ex, 3Fx, 3Gx, 58x
  • Lenovo 42404AU | User Manual - Page 118
    -CTO • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO 60Y3257 CRU ID N N N N ** 110 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 119
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 5 Gobi 3000 wireless WAN adapter for Malaysia SKU • 4239-CTO • 4240-CTO • 4241-CTO • 4242-CTO • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO 5 Ericsson F5521gw Other - Wireless
  • Lenovo 42404AU | User Manual - Page 120
    CTO, 44x, 45x, 46x, 47x, 48x • 4242-CTO, 4Qx • 4243-CTO • 4244-CTO • 4246-CTO 6 ThinkPad 1x1 b/g/n Wireless LAN Mini-PCI Express Adapter II • 4239-CTO, 27x, 28x, 2Zx, 32x, 35x, 36x, 37x, FRU no. 45N8259 CRU ID ** 60Y3241 ** 60Y3247 ** 112 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 121
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 6 Intel Centrino Advanced-N 6205 • 4239-CTO, 22x, 23x, 24x, 25x, 34x, 42x, 43x, 45x, 46x, 4Ax, 4Cx • 4240-CTO, 29x, 2Ax, 2Bx, 2Dx, 2Fx, 2Gx, 2Hx, 2Jx, 2Kx, 2Lx, 2Mx, 2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 2Ux, 2Vx, 2Xx, 3Cx, 3Dx, 3Mx, 3Px, 3Qx, 3Rx,
  • Lenovo 42404AU | User Manual - Page 122
    • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO FRU no. 60Y3209 CRU ID ** 75Y5117 * 114 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 123
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 7 DVD-RAM/RW drive 75Y5115 • 4239-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 2Zx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Nx, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx • 4240-CTO, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex,
  • Lenovo 42404AU | User Manual - Page 124
    , 23x, 24x, 25x, 26x, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx CRU ID * 116 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 125
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 7 DVD-RAM/RW drive 75Y5111 • 4239-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 2Zx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Nx, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx • 4240-CTO, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex,
  • Lenovo 42404AU | User Manual - Page 126
    , 2Vx, 2Wx, 3Cx, 3Hx, 3Ux • 4284-CTO, 25x, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 45x FRU no. 55Y3715 CRU ID ** 55Y3716 ** 118 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 127
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 8 4-GB DDR3-1333 SDRAM SO-DIMM card 55Y3717 • 4239-CTO, 24x, 26x, 34x, 37x, 38x, 39x, 3Ax, 3Nx, 42x, 43x, 44x, 45x, 46x, 47x, 4Ax, 4Cx • 4240-CTO, 29x, 2Ax, 2Cx, 2Dx, 2Ux, 2Vx, 3Dx, 3Ex, 3Fx, 3Jx, 3Kx, 3Lx, 3Px, 3Qx, 3Rx, 3Tx,
  • Lenovo 42404AU | User Manual - Page 128
    , 3Dx, 3Ex, 3Lx, 3Px, 3Qx, 3Tx, 3Ux, 3Vx, 3Wx • 4284-CTO, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 46x, 47x, 48x CRU ID * * 120 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 129
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 10 Battery pack, Li-ion (6 cell) 42T4795 • 4239-CTO, 22x, 25x, 27x, 28x, 2Zx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Nx, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx • 4240-CTO, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx
  • Lenovo 42404AU | User Manual - Page 130
    , 3Rx, 3Sx, 3Xx, 3Yx, 3Zx, 42x, 45x, 4Bx, 4Cx • 4284-CTO, 23x, 24x, 25x, 26x, 43x, 45x, 49x, 4Ax, 4Bx, 4Cx, 4Dx CRU ID * * * 122 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 131
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 10 Battery pack, Li-ion (9 cell) 42T4801 • 4239-CTO, 23x, 24x, 26x, 34x • 4240-CTO, 2Hx, 2Ux, 2Vx, 48x, 49x, 4Hx, 4Jx • 4241-CTO • 4242-CTO, 27x, 28x, 37x, 38x, 3Qx, 4Dx, 4Ux, 4Vx, 53x, 54x, 55x, 58x, 59x • 4243-CTO, 27x, 28x
  • Lenovo 42404AU | User Manual - Page 132
    11 Base cover assembly for Taiwan 135W • 4239-CTO • 4240-CTO • 4241-CTO • 4242-CTO • 4243-CTO • 4244-CTO • 4246-CTO 04W1591 CRU ID N N N N N 124 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 133
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 11 Base cover assembly for Taiwan 170W • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 2Ex, 2Dx, 2Cx, 2Bx • 4281-CTO • 4282-CTO, 23x, 24x, 25x, 26x, 4Bx, 4Cx • 4284-CTO, 23x, 24x, 25x, 26x, 3Tx, 3Ux, 3Vx, 3Wx, 4Bx, 4Cx 12 DIMM slot cover 13
  • Lenovo 42404AU | User Manual - Page 134
    -CTO, 3Rx • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO, 2Dx, 2Ux, 2Vx, 2Wx • 4284-CTO 126 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual FRU no. 45N7229 CRU ID ** 42T1167 ** 45N7305 **
  • Lenovo 42404AU | User Manual - Page 135
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 15 SATA hard disk drive, 250 GB, 5,400 rpm • 4239-CTO, 34x • 4240-CTO, 3Zx • 4241-CTO, 47x • 4242-CTO • 4243-CTO, 3Rx • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO, 2Dx, 2Ux, 2Vx, 2Wx • 4284-CTO 15
  • Lenovo 42404AU | User Manual - Page 136
    -CTO, 3Nx, 4Qx, 57x • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO 128 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual FRU no. 45N7315 CRU ID ** 45N7307 ** 45N7287 **
  • Lenovo 42404AU | User Manual - Page 137
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 15 SATA hard disk drive, 160 GB, 7,200 rpm • 4239-CTO • 4240-CTO • 4241-CTO • 4242-CTO • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 25x • 4281-CTO • 4282-CTO • 4284-CTO 15 SATA hard disk drive, 160 GB, 7,200
  • Lenovo 42404AU | User Manual - Page 138
    • 4241-CTO • 4242-CTO • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO 130 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual FRU no. 42T1169 CRU ID ** 45N7317 ** 42T1163 **
  • Lenovo 42404AU | User Manual - Page 139
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 15 SATA hard disk drive, 320 GB, 7,200 rpm 45N7255 • 4239-CTO, 22x, 23x, 25x, 46x, 47x, 4Bx, 4Cx • 4240-CTO, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Fx, 2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 3Bx, 3Cx, 3Dx, 3Gx, 3Jx, 3Kx, 3Lx, 3Rx, 3Sx, 4Bx, 4Dx, 4Mx
  • Lenovo 42404AU | User Manual - Page 140
    , 2Hx, 2Px, 2Qx, 2Rx, 2Tx, 2Xx, 37x, 38x, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Jx, 4Bx • 4284-CTO, 25x, 3Tx, 3Xx, 4Ax, 4Bx CRU ID ** ** 132 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 141
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 15 SATA hard disk drive, 320 GB, 7,200 rpm 45N7319 • 4239-CTO, 22x, 23x, 25x, 46x, 47x, 4Bx, 4Cx • 4240-CTO, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Fx, 2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 3Bx, 3Cx, 3Dx, 3Gx, 3Jx, 3Kx, 3Lx, 3Rx, 3Sx, 4Bx, 4Dx, 4Mx
  • Lenovo 42404AU | User Manual - Page 142
    , 3Zx, 42x, 45x, 4Cx • 4284-CTO, 23x, 24x, 26x, 3Ux, 3Vx, 3Wx, 3Yx, 3Zx, 42x, 45x, 46x, 47x, 48x, 49x, 4Cx, 4Dx CRU ID ** ** 134 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 143
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 15 SATA 2.5" solid state drive, 128 GB, 7 mm height • 4239-CTO, 26x • 4240-CTO, 2Vx • 4241-CTO • 4242-CTO, 25x, 2Fx, 2Zx, 34x, 3Ex, 3Fx, 3Gx • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO •
  • Lenovo 42404AU | User Manual - Page 144
    T520i, optimus, AMT, non-TPM • 4239-CTO, 33x • 4240-CTO • 4241-CTO • 4242-CTO, 4Hx • 4243-CTO • 4244-CTO • 4246-CTO 04W2023 CRU ID ** N N N N 136 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 145
    -CTO • 4242-CTO • 4243-CTO • 4244-CTO • 4246-CTO 16 System board assembly for W520 Q1, AMT, TPM, no RAID adapter • 4249-CTO • 4260-CTO • 4270-CTO, 26x 3Vx, 45x, 46x, 47x, 48x, 4Ax, 4Bx, 4Cx, 4Dx 16 System board assembly for W520 Q1, AMT, non-TPM, no RAID adapter • 4249-CTO • 4260-CTO • 4270-CTO •
  • Lenovo 42404AU | User Manual - Page 146
    W520 , 49x 16 System board assembly for W520 Q3, AMT, non-TPM, no 42x 16 System board assembly for W520 Q1, AMT, TPM, with CTO 16 System board assembly for W520 Q1, AMT, non-TPM, -CTO 16 System board assembly for W520 Q3, AMT, TPM, with RAID CTO 16 System board assembly for W520 Q3, AMT, non-TPM, with
  • Lenovo 42404AU | User Manual - Page 147
    CTO, 34x, 35x • 4281-CTO • 4282-CTO • 4284-CTO 16 System board assembly for W520 Q3, non-AMT, TPM, no RAID adapter • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 33x • 4281-CTO • 4282-CTO • 4284-CTO 16 System board assembly for W520 Q1, non-AMT, TPM, with RAID adapter • 4249-CTO • 4260-CTO • 4270-CTO
  • Lenovo 42404AU | User Manual - Page 148
    CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO 16 System board assembly for W520 Q3, non-AMT, non-TPM, with RAID adapter • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO 04W2041 CRU ID N 04W2043 N 04W0495 N 04W0496 04W0492 N 140 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 149
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 17 CPU assembly, Intel Core i5-2540M Processor (2.60 GHz) • 4239-CTO, 23x, 24x, 25x, 2Zx, 32x, 44x • 4240-CTO, 2Dx, 2Gx, 2Hx • 4241-CTO • 4242-CTO, 28x, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 2Ux, 2Vx, 2Wx, 37x, 39x, 3Fx, 3Lx, 3Px, 49x, 4Ax, 52x, 53x, 58x
  • Lenovo 42404AU | User Manual - Page 150
    , 23x, 2Ax, 36x • 4281-CTO • 4282-CTO, 2Cx, 2Nx, 2Zx, 32x, 33x, 34x, 42x • 4284-CTO, 43x FRU no. 04W1360 CRU ID N 04W1361 N 04W1510 N 142 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 151
    Table 42. Parts list-Overall (continued) No. FRU (Overall) FRU no. 18 Bluetooth daughter card (BDC-3.0) 60Y3271 • 4239-CTO, 23x, 24x, 25x, 26x, 27x, 28x, 2Zx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Nx, 42x, 43x, 44x, 45x, 46x, 48x, 49x, 4Ax, 4Bx • 4240-CTO, 29x, 2Ax, 2Bx, 2Cx, 2Dx, 2Ex,
  • Lenovo 42404AU | User Manual - Page 152
    , 23x, 24x, 25x, 26x, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx CRU ID N 144 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 153
    Table 42. Parts list-Overall (continued) No. FRU (Overall) 19 Modem Daughter Card • 4239-CTO, 22x, 23x, 25x, 26x, 27x, 28x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Nx, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Cx • 4240-CTO, 2Ex, 2Jx, 2Kx, 2Lx, 2Mx, 2Nx, 2Px, 2Qx, 2Rx, 2Sx, 2Tx, 2Ux, 2Vx, 2Xx, 2Yx,
  • Lenovo 42404AU | User Manual - Page 154
    , 4Rx, 4Sx, 4Wx, 56x, 57x, 58x • 4243-CTO, 29x, 3Rx, 3Sx, 3Wx, 3Xx, 3Yx, 3Zx, 4Bx, 4Wx, 4Yx • 4244-CTO • 4246-CTO CRU ID N N N N 146 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 155
    , 3Xx, 3Yx, 3Zx, 4Bx, 4Wx, 4Yx • 4244-CTO • 4246-CTO 21 Thermal module for W520, 55W • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 22x, 23x, 24x, 2Ax , 42x • 4284-CTO, 23x, 24x, 3Wx, 42x, 43x, 49x 04W0437 21 Thermal module for W520, 55W • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 22x, 23x, 24x,
  • Lenovo 42404AU | User Manual - Page 156
    , 3Ux, 3Vx, 3Xx, 3Yx, 3Zx, 45x, 46x, 47x, 48x, 4Ax, 4Bx, 4Cx, 4Dx 21 Thermal module for W520, 45W 04W1576 • 4249-CTO • 4260-CTO • 4270-CTO, 26x • 4276-CTO, 25x, 27x, 28x, 29x, 2Bx, .) 24 TrackPoint caps 91P9642 CRU ID N N N N * 148 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 157
    continued) No. FRU (Overall) - Thermal grease - AC adapter (see "AC adapters" on page 158.) FRU no. 91P8835 CRU ID N LCD FRUs In ThinkPad T520, T520i, and W520, there are following types of LCDs: • 15.6-inch High Definition (HD) LED-backlight LCD • 15.6-inch HD+ LED-backlight LCD • 15.6-inch Full
  • Lenovo 42404AU | User Manual - Page 158
    T520, T520i and W520 LCD FRUs No. FRU (ThinkPad T520, T520i and W520 LCD) 1 LCD bezel assembly 1 LCD bezel assembly (touch panel) • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 22x • 4281-CTO • 4282-CTO • 4284-CTO 150 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual 1 2 3 4 5 6 FRU no
  • Lenovo 42404AU | User Manual - Page 159
    Table 43. Parts list-ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 2 Integrated camera (2.0 MP) 04W1364 • 4239-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 2Zx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax,
  • Lenovo 42404AU | User Manual - Page 160
    • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO FRU no. 45M2899 04W1567 04W1568 CRU ID N N N 04W1566 N 04W1565 N 04W1362 N 152 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 161
    Table 43. Parts list-ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 9 LED sub card, with microphone 04W1363 • 4239-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 2Zx, 32x, 33x, 34x, 35x, 36x, 37x,
  • Lenovo 42404AU | User Manual - Page 162
    Table 43. Parts list-ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 10 LCD module, 15.6-inch HD LED-backlight 04W0424 • , 3Tx, 3Ux, 3Vx, 3Xx, 3Yx, 3Zx, 46x, 47x, 48x CRU ID N N 154 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 163
    Table 43. Parts list-ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 10 LCD module, 15.6-inch HD+ LED-backlight 42T0743 • 4239-CTO, 23x, 24x, 34x, 37x, 38x, 39x, 42x, 44x, 45x, 49x, 4Ax •
  • Lenovo 42404AU | User Manual - Page 164
    45N2142 45N2149 45N2150 45N2230 45N2237 45N2152 45N2153 45N2154 45N2155 45N2156 45N2157 45N2158 45N2172 45N2159 45N2243 45N2214 45N2231 45N2232 45N2233 45N2234 45N2235 45N2236 CRU ID ** 156 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 165
    Table 44. Parts list-Keyboard (continued) Language Spanish Swiss Thai Traditional Chinese Turkish F Type Turkish U.K. English U.S. English U.S. English (International, with a Euro symbol) Miscellaneous parts Table 45. Parts list-Miscellaneous parts FRU Screw kit: • M2 × 2 mm, black (10) • M2 × 3 mm,
  • Lenovo 42404AU | User Manual - Page 166
    UMA 04W1582 N 9-cell slice battery 42T4739 OP AC adapters Table 46. Parts list-2-pin ac adapters for ThinkPad T520 and T520i FRU 2-pin (65 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, , xxY) FRU no. 42T5282 42T4423 42T4419 CRU ID * 158 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 167
    (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY) 2-pin (135 W, 20 V) adapter (models CTO, xxP) Table 47. Parts list-2-pin ac adapters for ThinkPad W520 FRU 2-pin (170 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY) 2-pin (170 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL
  • Lenovo 42404AU | User Manual - Page 168
    as the operating system in the following models: • 4239-CTO, 36x, 35x • 4240-CTO, 3Mx, 3Xx, 3Yx • 4241-CTO, 42x, 43x, 44x, 45x, 46x 160 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 169
    • 4242-CTO, 45x, 46x, 4Xx, 4Zx, 52x • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO Table 52. Parts list-Windows 7 Home Basic (32 bit) recovery DVDs Language Arabic Brazilian Portuguese English English (for India) French Portuguese
  • Lenovo 42404AU | User Manual - Page 170
    , 3Cx, 3Dx, 3Fx, 3Gx, 44x, 56x, 57x • 4243-CTO, 3Sx, 3Xx, 3Yx • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO 162 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 171
    • 4281-CTO • 4282-CTO, 29x, 3Px • 4284-CTO, 48x Table 54. Parts list-Windows 7 Professional (32 bit) recovery DVDs Language English Japanese Simplified Chinese P/N 03W7818 03W7817 03W7816 CRU ID * Windows 7 Professional (64 bit) DVDs Windows 7 Professional (64 bit) is preinstalled as the
  • Lenovo 42404AU | User Manual - Page 172
    ://www.lenovo.com/support P/N 03W7827 03W7826 03W7828 03W7830 03W7831 03W7832 03W7833 03W7834 03W7835 03W7836 03W7839 03W7821 03W7837 03W7838 03W7822 03W7829 03W7840 CRU ID P/N 95F3598 1650840 93F2838 00P6967 08K7159 40Y8687 40Y8704 05K9283 27L3452 42W7820 - 164 ThinkPad T520, T520i, and W520
  • Lenovo 42404AU | User Manual - Page 173
    of any other product, program, or service. Lenovo may have patents or pending patent applications support applications where malfunction may result in injury or death to persons. The information contained in this document does not affect or change Lenovo product specifications or warranties
  • Lenovo 42404AU | User Manual - Page 174
    Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Active Protection System Lenovo ThinkLight ThinkPad product, or service names may be the trademarks or service marks of others. 166 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual
  • Lenovo 42404AU | User Manual - Page 175
  • Lenovo 42404AU | User Manual - Page 176
    Part Number: 0A60078_01 Printed in (1P) P/N: 0A60078_01 *0A60078_01*
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ThinkPad T520, T520i, and W520
Hardware Maintenance Manual