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Lenovo ThinkPad T520 Hardware Maintenance Manual

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ThinkPad T520, T520i, and W520
Hardware Maintenance Manual

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  • Page 1

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 3

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 4

    Appendix A “Notices” on page 167. Fourth 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, reproduction, or disclosure is subject to restrictions set forth in Contract No.

  • Page 5: Table Of Contents

    Diagnostics using PC-Doctor for DOS..Restoring the serial number of the system Lenovo ThinkVantage Toolbox ..unit ....

  • Page 6

    2050 Antenna kit and LCD rear cover assembly . . Trademarks ....Chapter 10. Locations ..ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 7: About This Manual

    About this manual This manual contains service and reference information for the following ThinkPad® products. ThinkPad T520 and T520i MT 4239, 4240, 4241, 4242, 4243, 4244, 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.

  • Page 8

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 9: 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 10: Electrical Safety

    – Similar units to listed above This practice ensures correct grounding of the units. • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 11: Safety Inspection Guide

    – 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 12: Grounding Requirements

    Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 13

    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 listing. Use of an incorrect battery can result in ignition or explosion of the battery.

  • Page 14

    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. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 15

    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 de metal podem causar curto-circuito.

  • Page 16

    Pour ce faire, secouez l'unité et assurez-vous qu'aucun bruit suspect ne se produit. Des pièces métalliques ou des copeaux de métal pourraient causer un court-circuit. DANGER ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 17

    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 sauvegarde ou celle de l'horloge temps réel, veillez à...

  • Page 18

    Verbindungsstecker entfernt werden. Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten. Beim Ersetzen der Batterie nur Batterien des Typs verwenden, der in der Ersatzteilliste aufgeführt ist. Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 19

    VORSICHT Die Leuchtstoffröhre im LCD-Bildschirm enthält Quecksilber. Bei der 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 gerät, sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden.

  • Page 20

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 21

    Chapter 1 Safety information...

  • Page 22

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 23

    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 metálicas pueden causar cortocircuitos eléctricos.

  • Page 24

    Salvo que se permita el intercambio en caliente para la unidad sustituible localmente, realice lo siguiente antes de extraerla: apague el sistema, desconecte todos los cables de alimentación de las tomas de alimentación eléctrica, extraiga la batería y desconecte los cables de interconexión. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 25: 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 26

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 27

    Chapter 1 Safety information...

  • Page 28

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 29

    Chapter 1 Safety information...

  • Page 30

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 31: Chapter 2. Important Service Information

    – “FRU identification for CTO, CMV, and GAV products” on page 25 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

    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), eSupport, and the HMM will load these products as the 4-digit MT and 3-digit model, where model = “CTO”...

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

    = a “fixed part number”, not “CTO” (Example: 1829-F1U). • PEW can be 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 and the list of key commodities will be returned in the PEW record under COMPONENT INFORMATION.

  • Page 34

    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. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 35: Chapter 3. General Checkout

    • “Checkout guide” on page 28 – “Diagnostics using PC-Doctor for DOS” on page 28 – “Lenovo ThinkVantage Toolbox” on page 30 – “FRU tests” on page 31 • “Power system checkout” on page 32 The descriptions in this chapter apply to any ThinkPad model that supports the PC-Doctor® for DOS diagnostics program.

  • Page 36: Checkout Guide

    The ThinkPad Notebook has a test program called PC-Doctor for DOS (hereafter called PC-Doctor.) You can detect errors by running the diagnostics test included in 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.

  • Page 37: Testing The Computer

    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.

  • Page 38: Lenovo Thinkvantage Toolbox

    • 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

    Note: The latest Lenovo ThinkVantage Toolbox is available at the following Web site: http://web.lenovothinkvantagetoolbox.com/ To install the latest Lenovo ThinkVantage Toolbox on the computer, follow the instructions on the Web site. To run this program, do as follows: For Windows 7: While the Windows operating system is running, press the ThinkVantage button.

  • Page 40: Power System Checkout

    If you suspect a power problem, see the appropriate one of the following power supply checkouts: • “Checking the ac adapter” on page 33 • “Checking operational charging” on page 33 • “Checking the battery pack” on page 33 • “Checking the backup battery” on page 34 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 41: Checking The Ac Adapter

    Checking the ac adapter You are here because the computer fails only when the ac adapter is used. • If the power problem occurs only when the docking station or the port replicator is used, replace the docking station or the port replicator. •...

  • Page 42: Checking The Backup Battery

    • If the voltage is correct, replace the system board. • If the voltage is not correct, replace the backup battery. • If the backup battery discharges quickly after replacement, replace the system board. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • 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/spm. Restoring the factory contents by using Recovery Disc Set When the hard disk drive (HDD) or solid state drive (SSD) is replaced because of a failure, no product recovery program is on the new drive.

  • Page 44: Passwords

    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...

  • Page 45: Supervisor Password

    Attention: If User only mode is selected and the user HDP 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 HDPs or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.

  • Page 46: Power Management

    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. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 47: Hibernation Mode

    Also, in either of the following events, the computer automatically returns from sleep (standby) mode and resumes operation: • The ring indicator (RI) is signaled by a serial device or a PC Card device. ( does not support the ring indicator (RI) resume by PC Card device.) •...

  • Page 48: Numeric Error Codes

    2. Replace the backup battery and run ThinkPad Setup to reset the time and date. 0271 Run ThinkPad Setup to reset the time and date. Real-time clock error. Check date and time settings. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 49: Error Messages

    Table 2. Numeric error codes (continued) FRU or action, in sequence Symptom or error 1802 1. Remove Mini PCI network card. Unauthorized network card is plugged in—Turn off and 2. System board remove the miniPCI network card. 1820 Remove all but the reader that you set up for the More than one external fingerprint reader is attached.

  • Page 50: Beep Symptoms

    Reinstall the operating system. Only the cursor appears. Four cycles of four short beeps and a blank screen. System board (security chip) Five short beeps and a blank screen. System board ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 51: No-beep Symptoms

    • This policy applies to all ThinkPad Notebooks purchased on 1 January, 2008 or later. • Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that any replacement LCD will have zero pixel defects.

  • Page 52: Undetermined Problems

    6. If the problem does not recur, reconnect the removed devices one at a time until you find the failing FRU. 7. If the problem remains, replace the following FRUs one at a time (do not replace a nondefective FRU): a. System board b. LCD assembly ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 53: Copyright Lenovo

    ThinkPad Setup menu such as F9 key, you have to restore the setting as you like. Creating RAID volumes This section describes how to use the Intel® Rapid Storage Technology option ROM Configuration Utility to create RAID volumes. © Copyright Lenovo 2011...

  • Page 54: Deleting Raid Volumes

    AHCI when it was manufactured, then to create a RAID array you must first enable RAID in UEFI BIOS, create RAID volume, and then reinstall the operating system. All data on the hard disks will be erased during this process. For more information, see “Creating RAID volumes” on page 45. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 55: Chapter 6. Status Indicators

    Chapter 6. Status indicators This chapter presents the system status indicators that show the status of the computer. © Copyright Lenovo 2011...

  • Page 56

    Fingerprint reader Green: The fingerprint reader is ready to swipe. status Blinking green: The fingerprint is being authenticated or has been authenticated. Blinking orange: The fingerprint could not be authenticated. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 57

    Table 7. Status indicators (continued) Indicator Meaning Caps lock Green: Caps Lock mode is enabled. To enable or disable Caps Lock mode, press the Caps Lock key. Sleep (standby for Green: The computer is in sleep (standby) mode. Windows XP) status Blinking green: The computer is entering sleep (standby) mode or hibernation mode, or is...

  • Page 58

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 59: Chapter 7. Fn Key Combinations

    Presentation Director, and change the settings. Note: If the computer is an Windows 7 model, it does not support presentation schemes, however the Fn+F7 combination might still be used to switch display output location. © Copyright Lenovo 2011...

  • Page 60

    Note: This function is supported only on the ThinkPad Notebooks that have the ThinkLight. The on or off status of the ThinkLight is shown on the screen for a few seconds when you press Fn+PgUp. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 61

    Table 8. Fn key combinations (continued) Key combination Description Fn+Home The computer display becomes brighter. The purpose of this method is to change the brightness level temporarily. On Windows Vista, the default brightness level is loaded after sleep (standby), hibernation, reboot, or detaching or attaching an ac adapter.

  • Page 62

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 63: Chapter 8. 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 64: 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 65: 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 66

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 67: Chapter 9. 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 68: Before Servicing Thinkpad T520, T520i, And W520

    Before servicing ThinkPad T520, T520i, and W520 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.

  • Page 69: 1020 Serial Ultrabay Enhanced Device Or Travel Bezel

    Table 10. Removal steps of battery pack (continued) 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: •...

  • Page 70: 1030 Dimm Slot Cover

    1030 DIMM slot cover For access, remove this FRU: • “1010 Battery pack” on page 60 Table 12. Removal steps of DIMM slot cover Note: Loosen the screws , but do not remove them. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 71: 1040 Dimm (bottom Slot)

    Table 12. Removal steps of DIMM slot cover (continued) 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...

  • Page 72

    Table 13. Removal steps of DIMM (bottom slot) For ThinkPad T520 and T520i: ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 73: 1050 Hard Disk Drive Slot Cover, Hard Disk Drive (hdd) And Hdd Rubber Rails Or Solid State Drive (ssd) And Storage Converter

    Table 13. Removal steps of DIMM (bottom slot) (continued) For ThinkPad W520: Note: If only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 , but not in SLOT-2 When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into the place.

  • Page 74

    Table 14. Removal steps of hard disk drive slot cover, HDD and HDD rubber rails or SSD and storage converter Note: Loosen the screw , but do not remove it. Table 15. Removal steps of HDD and HDD rubber rails ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 75: 1060 Keyboard

    Table 16. Removal steps of SSD and SSD spacers 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”...

  • Page 76

    2. Lift the keyboard a little in the direction shown by arrow , and then detach the connector When installing the keyboard, do as follows: ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 77

    Table 18. Installation steps of keyboard 1. Attach the keyboard connector 2. Attach the keyboard so that the keyboard edges are under the frame as shown in this figure. Chapter 9 Removing and replacing a FRU...

  • Page 78: 1070 Dimm (upper Slot)

    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 Keyboard” on page 67 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 79: 1080 Pci Express Mini Card For Wireless Lan

    Table 19. Removal steps of DIMM (upper slot) Note: For ThinkPad W520, if only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 , but not in SLOT-2 When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into the place.

  • Page 80

    Note: Some models might have only two antenna cables in step Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgfcm) ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 81: 1090 Pci Express Mini Card For Wireless Wan

    Table 20. Removal steps of PCI Express Mini Card for wireless LAN (continued) When installing: • In models with wireless LAN card that has two antenna connectors, plug 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.

  • Page 82

    , unplug the jacks by using the antenna RF connector removal tool (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in direction of the arrow. Torque Step Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgfcm) ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 83: 1090 Msata Solid State Drive

    Table 21. Removal steps of PCI Express Mini Card for wireless WAN (continued) Note: Plug the orange cable into the jack labeled MAIN, and the blue cable into the jack labeled AUX on the card. 1090 mSATA solid state drive Note: If your computer is equipped with an mSATA solid state drive, it is installed in the WWAN card slot.

  • Page 84: 1100 Keyboard Bezel Assembly

    Attention: Before removing the keyboard bezel assembly, make sure that you have removed ExpressCard blank bezel or any card in the slot. Table 23. Removal steps of ExpressCard blank bezel or ExpressCard When you press the ExpressCard blank bezel or ExpressCard , it pops out ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 85

    Table 23. Removal steps of ExpressCard blank bezel or ExpressCard (continued) When installing: Make sure that the bezel or the card is correctly oriented as shown in this figure. Table 24. Removal steps of keyboard bezel assembly Note: The speaker assembly is attached to the keyboard bezel. Step Screw (quantity) Color...

  • Page 86: 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 90 • “1060 Keyboard” on page 67 • “1100 Keyboard bezel assembly” on page 76 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 87: 1120 Backup Battery

    Table 25. Removal steps of BDC-3.0 Torque Step Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector is attached firmly. 1120 Backup battery For access, remove these FRUs in order: •...

  • Page 88: 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 67 • “1100 Keyboard bezel assembly” on page 76 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 89

    Table 27. Removal steps of Smart Card Torque Step Screw (quantity) Color M2 × 3 mm, wafer-head, nylon-coated (3) Silver 0.181 Nm (1.85 kgfcm) Chapter 9 Removing and replacing a FRU...

  • Page 90: 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 bezel assembly” on page 76 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 91: Color Torque Silver 0.181 Nm (1.85 Kgfcm)

    Table 29. Removal steps of speaker assembly Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgfcm) When installing: Make sure that the speaker connector is attached firmly. Then route the cables and secure them properly as shown in the figure above.

  • Page 92: 1150 Thermal Module

    When installing: Make sure that the connectors are attached firmly. Note: Loosen the screws in order, but do not remove them. Some models do not have screws For those models, skip step ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 93

    Table 30. Removal steps of thermal module (continued) When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked as 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 94: 1160 Cpu

    “1100 Keyboard bezel assembly” on page 76 • “1140 Speaker assembly” on page 82 • “1150 Thermal module” on page 84 Attention: CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 95: 1170 Lcd Unit

    Table 31. Removal steps of CPU Rotate the head of the screw in the direction shown by arrow to release the lock; then remove the CPU When installing: Place the CPU on the CPU socket, and then rotate the head of the screw in the direction shown by arrow to secure the CPU.

  • Page 96

    (4.0 kgfcm) — M2.5 × 6 mm, wafer-head, nylon-coated (2) Black 0.392 Nm (4.0 kgfcm) Torque Step Screw (quantity) Color M2.5 × 6 mm, wafer-head, nylon-coated (2) Black 0.392 Nm (4.0 kgfcm) ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 97

    Table 32. Removal steps of LCD unit (continued) Torque Step Screw (quantity) Color M2 × 4 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) When installing: • Make sure that you attach the LCD connector firmly. • Make sure that you route the cables firmly and tape up in the proper positions as shown in this figure. •...

  • Page 98: 1180 Base Cover Assembly

    “1130 Smart Card or Smart Card dummy spacer” on page 80 • “1140 Speaker assembly” on page 82 • “1150 Thermal module” on page 84 • “1170 LCD unit” on page 87 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 99: Step Screw (quantity)

    Table 33. Removal steps of base cover assembly Step Screw (quantity) Color Torque 0.181 Nm M2 × 3 mm, wafer-head, nylon-coated (1) Silver (1.85 kgfcm) M2 × 14 mm, wafer-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) M2 × 4 mm, wafer-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm)

  • Page 100: 1190 I/o Sub Card

    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 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 101: 1200 System Board Assembly, Magnesium Structure Frame, And Modem Daughter Card (mdc)

    • “1050 Hard disk drive slot cover, hard disk drive (HDD) and HDD rubber rails or solid state drive (SSD) and storage converter” on page 65 • “1060 Keyboard” on page 67 • “1080 PCI Express Mini Card for wireless LAN” on page 71 •...

  • Page 102

    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. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 103: Chapter 9 Removing And Replacing A Fru

    Table 35. Location of major sensitive components on the system board Following components soldered on the top side of the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling. Accelerometer chip for the HDD Active Protection System™ PCH (Platform Controller Hub) Graphics Note:...

  • Page 104

    Hex stud, nylon-coated (2) Silver 0.392 Nm (4.0 kgfcm) 0.181 Nm M2 × 7 mm, wafer-head, nylon-coated (2) Silver (1.85 kgfcm) M2 × 3 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm (1.85 kgfcm) ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 105: 2010 Lcd Bezel Assembly

    Table 36. Removal steps of system board and magnesium structure frame (continued) 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 package and apply them to the new system board.

  • Page 106: 2020 Led Sub Card

    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 97 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 107: 2030 Integrated Camera

    Table 39. Removal steps of LED sub card Note: Some models do not have connector When installing: Make sure that the connectors are attached firmly and the card is installed as shown in this figure. 2030 Integrated camera For access, remove these FRUs in order: •...

  • Page 108: 2040 Lcd Cable, Camera Cable, Lcd Panel, And Hinges

    • “1090 PCI Express Mini Card for wireless WAN” on page 73 or “1090 mSATA solid state drive” on page 75 • “1100 Keyboard bezel assembly” on page 76 • “1170 LCD unit” on page 87 • “2010 LCD bezel assembly” on page 97 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 109

    Table 41. Removal steps of LCD cable, camera cable, LCD panel, and hinges In step , release the antenna cables from the left and right hinges. Step Screw (quantity) Color Torque M2.5 × 6 mm, wafer-head, nylon-coated (4) Black 0.392 Nm (4.0 kgfcm) When installing: When attaching the LCD panel to the cover, press the left and right edges covered with metal gently with your fingers.

  • Page 110

    Table 41. Removal steps of LCD cable, camera cable, LCD panel, and hinges (continued) When installing: Make sure that the LCD cable connector is attached firmly. ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 111: 2050 Antenna Kit And Lcd Rear Cover Assembly

    Table 41. Removal steps of LCD cable, camera cable, LCD panel, and hinges (continued) Step Screw (quantity) Color Torque M2 × 3 mm, wafer-head, nylon-coated (4) Silver 0.181 Nm (1.85 kgfcm) 2050 Antenna kit and LCD rear cover assembly For access, remove these FRUs in order: •...

  • Page 112

    : Wireless WAN antenna, AUX (blue) : Wireless LAN antenna, AUX (black) : Wireless LAN antenna, 3rd (white) : Wireless LAN antenna, MAIN (gray) : Wireless WAN MAIN (orange) ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 113: Chapter 10. Locations

    Chapter 10. Locations This chapter presents the location of ThinkPad T520, T520i, and W520 features and hardware. Front view Status indicators Note: For the description of each indicator, see Chapter 6 “Status indicators” on page 47. Built-in microphone Integrated camera (for some models)

  • Page 114: Rear View

    Wireless radio switch IEEE 1394 connector USB/eSATA combo connector (for some models) Universal serial bus (USB) connectors External monitor connector DisplayPort AC power connector RJ-11 (modem) connector (for some models) USB connector ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 115: Bottom View

    Bottom view Battery pack Battery pack latch Docking connector Solid state drive (SSD) or hard disk drive (HDD) slot DIMM slot (bottom) LCD cover latch Serial Ultrabay Enhanced lock latch Serial Ultrabay Enhanced eject latch Chapter 10 Locations...

  • Page 116

    ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 117: Chapter 11. Parts List

    (1) return instructions, a prepaid shipping label, and a container will be included with the replacement 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 118: Overall

    Overall ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 119

    Table 43. Parts list—Overall No. FRU (Overall) FRU no. See “Miscellaneous parts” on page 159. LCD unit (see “LCD FRUs” on page 151.) 04W1365 Palmrest assembly, no-Fingerprint Reader (FPR), no-Color Sensor (CS), with SmartCard Reader • 4239-CTO, 22x, 4Cx • 4240-CTO •...

  • Page 120

    Gobi 3000 wireless WAN adapter 60Y3257 • 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 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 121

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 60Y3283 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 •...

  • Page 122

    • 4242-CTO, 2Dx, 3Ax, 3Bx, 3Ex, 3Fx, 3Gx, 47x, 48x • 4243-CTO, 3Sx • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 33x, 34x, 35x • 4281-CTO • 4282-CTO • 4284-CTO ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 123

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 60Y3253 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, 3Sx, 3Tx, 3Ux, 3Xx, 3Yx, 46x, 47x, 48x, 49x, 4Ax, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx, 4Px, 4Qx •...

  • Page 124

    • 4284-CTO DVD-ROM drive 75Y5117 • 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 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 125

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 75Y5115 DVD-RAM/RW drive • 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 •...

  • Page 126

    3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 45x, 4Bx, 4Cx • 4284-CTO, 23x, 24x, 25x, 26x, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 127

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 75Y5111 DVD-RAM/RW drive • 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 •...

  • Page 128

    • 4276-CTO, 22x, 24x, 25x, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Hx, 2Jx, 2Kx, 2Lx, 2Mx, 2Nx, 2Rx, 2Vx • 4281-CTO • 4282-CTO, 25x, 2Vx, 2Wx, 3Cx, 3Hx, 3Ux • 4284-CTO, 25x, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 45x ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 129

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 55Y3717 4-GB DDR3-1333 SDRAM SO-DIMM card • 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, 3Ux, 46x, 47x, 48x, 49x, 4Ax, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx •...

  • Page 130

    2Rx, 2Sx, 2Tx, 2Vx, 2Wx, 34x, 35x • 4281-CTO • 4282-CTO, 27x, 2Dx, 2Ex, 2Sx, 3Cx, 3Dx, 3Ex, 3Lx, 3Px, 3Qx, 3Tx, 3Ux, 3Vx, 3Wx • 4284-CTO, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 46x, 47x, 48x ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 131

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 42T4795 Battery pack, Li-ion (6 cell) • 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 •...

  • Page 132

    2Mx, 2Nx, 2Px, 2Qx, 2Rx, 2Tx, 2Ux, 2Vx, 2Wx, 2Xx, 2Yx, 2Zx, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 3Bx, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Mx, 3Nx, 3Rx, 3Sx, 3Xx, 3Yx, 3Zx, 42x, 45x, 4Bx, 4Cx • 4284-CTO, 23x, 24x, 25x, 26x, 43x, 45x, 49x, 4Ax, 4Bx, 4Cx, 4Dx ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 133

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 42T4801 Battery pack, Li-ion (9 cell) • 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 •...

  • Page 134

    • 4242-CTO, 27x, 28x, 4Ux, 4Vx • 4243-CTO, 27x, 28x, 4Ux, 4Vx • 4244-CTO • 4246-CTO Base cover assembly for Taiwan 135W 04W1591 • 4239-CTO • 4240-CTO • 4241-CTO • 4242-CTO • 4243-CTO • 4244-CTO • 4246-CTO ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 135

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W1592 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 DIMM slot cover 60Y5501 Hard disk drive cover...

  • Page 136

    • 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 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 137

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 45N7285 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 •...

  • Page 138

    • 4240-CTO, 2Ex, 2Jx, 2Kx, 2Lx, 2Mx, 3Hx • 4241-CTO • 4242-CTO, 3Nx, 4Qx, 57x • 4243-CTO • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 139

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 45N7251 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 •...

  • Page 140

    SATA hard disk drive, 250 GB, 7,200 rpm 42T1163 • 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 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 141

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 45N7255 SATA hard disk drive, 320 GB, 7,200 rpm • 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, 4Nx, 4Px, 4Qx •...

  • Page 142

    • 4281-CTO • 4282-CTO, 25x, 27x, 29x, 2Ax, 2Bx, 2Ex, 2Fx, 2Hx, 2Px, 2Qx, 2Rx, 2Tx, 2Xx, 37x, 38x, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Jx, 4Bx • 4284-CTO, 25x, 3Tx, 3Xx, 4Ax, 4Bx ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 143

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 45N7319 SATA hard disk drive, 320 GB, 7,200 rpm • 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, 4Nx, 4Px, 4Qx •...

  • Page 144

    35x, 36x, 3Bx, 3Hx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 45x, 4Cx • 4284-CTO, 23x, 24x, 26x, 3Ux, 3Vx, 3Wx, 3Yx, 3Zx, 42x, 45x, 46x, 47x, 48x, 49x, 4Cx, 4Dx ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 145

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 45N7995 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 •...

  • Page 146

    • 4243-CTO • 4244-CTO • 4246-CTO System board assembly for T520 and T520i, optimus, AMT, non-TPM 04W2023 • 4239-CTO, 33x • 4240-CTO • 4241-CTO • 4242-CTO, 4Hx • 4243-CTO • 4244-CTO • 4246-CTO ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 147

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W2024 System board assembly for T520 and T520i, integrated, non-AMT, TPM • 4239-CTO, 27x, 28x, 35x, 3Nx, 47x, 48x, 49x, 4Bx, 4Cx • 4240-CTO, 2Bx, 2Cx, 2Ex, 2Lx, 2Mx, 2Sx, 2Tx, 2Xx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 4Bx, 4Dx, 4Kx, 4Mx, 4Nx •...

  • Page 148

    • 4282-CTO, 2Cx, 2Lx, 33x, 3Zx, 42x • 4284-CTO 04W2035 System board assembly for W520 Q3, AMT, non-TPM, with RAID adapter • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 149

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W2036 System board assembly for W520 Q1, non-AMT, TPM, no RAID adapter • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO • 4281-CTO • 4282-CTO • 4284-CTO System board assembly for W520 Q1, non-AMT, non-TPM, no RAID adapter 04W2038 •...

  • Page 150

    • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 25x, 2Bx, 2Fx, 2Kx, 2Rx, 2Sx • 4281-CTO • 4282-CTO, 2Hx, 2Wx, 3Px, 3Tx, 3Ux • 4284-CTO, 3Tx, 3Xx, 4Ax ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 151

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W0493 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, 59x •...

  • Page 152

    CPU assembly, Intel Core i7-2920XM Processor (2.50 GHz) 04W1510 • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 23x, 2Ax, 36x • 4281-CTO • 4282-CTO, 2Cx, 2Nx, 2Zx, 32x, 33x, 34x, 42x • 4284-CTO, 43x ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 153

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 60Y3271 Bluetooth daughter card (BDC-3.0) • 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 •...

  • Page 154

    3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 45x, 4Bx, 4Cx • 4284-CTO, 23x, 24x, 25x, 26x, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 155

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 60Y3207 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 •...

  • Page 156

    2Rx, 2Zx, 32x, 34x, 39x, 3Ax, 3Bx, 3Cx, 3Ex, 3Fx, 3Hx, 3Kx, 3Mx, 3Nx, 3Px, 44x, 45x, 47x, 48x, 4Ax, 4Ex, 4Qx, 4Rx, 4Sx, 4Wx, 56x, 57x, 58x • 4243-CTO, 29x, 3Rx, 3Sx, 3Wx, 3Xx, 3Yx, 3Zx, 4Bx, 4Wx, 4Yx • 4244-CTO • 4246-CTO ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 157

    Table 43. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W1580 Thermal module for T520 and T520i integrated graphics models • 4239-CTO, 22x, 25x, 27x, 28x, 2Zx, 35x, 3Nx, 46x, 47x, 48x, 49x, 4Bx, 4Cx • 4240-CTO, 29x, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Gx, 2Jx, 2Kx, 2Lx, 2Mx, 2Sx, 2Tx, 2Xx, 3Bx, 3Cx, 3Hx, 3Jx, 3Lx, 3Mx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Zx, 46x, 4Ax, 4Bx, 4Dx, 4Ex, 4Kx, 4Mx, 4Nx, 4Px, 4Qx •...

  • Page 158

    • 4282-CTO, 28x, 29x, 2Ax, 2Bx, 2Cx, 2Ux, 2Vx, 2Yx, 2Zx, 32x, 33x, 3Kx, 3Lx, 3Px, 3Qx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 45x, 4Bx, 4Cx • 4284-CTO, 48x, 4Bx, 4Cx, 4Dx Keyboard (see “Keyboard” on page 158.) TrackPoint caps 91P9642 ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 159: Lcd Frus

    — AC adapter (see “AC adapters” on page 160.) 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 High Definition (FHD) RG-ph LED-backlight LCD •...

  • Page 160

    Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. LCD bezel assembly 60Y5482 60Y5483 LCD bezel assembly (touch panel) • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 22x • 4281-CTO •...

  • Page 161

    Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 04W1364 Integrated camera (2.0 MP) • 4239-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 28x, 2Zx, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Nx, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Cx •...

  • Page 162

    Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. Antenna kit 45M2899 LCD rear cover assembly 04W1567 LCD rear cover assembly (touch panel) 04W1568 • 4249-CTO • 4260-CTO •...

  • Page 163

    Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. LED sub card, with microphone 04W1363 • 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 •...

  • Page 164

    Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 04W0424 LCD module, 15.6-inch HD LED-backlight • 4239-CTO, 22x, 25x, 27x, 28x, 2Zx, 32x, 33x, 35x, 36x, 3Nx, 46x, 47x, 48x, 4Bx, 4Cx •...

  • Page 165

    Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 42T0743 LCD module, 15.6-inch HD+ LED-backlight • 4239-CTO, 23x, 24x, 34x, 37x, 38x, 39x, 42x, 44x, 45x, 49x, 4Ax •...

  • Page 166: Keyboard

    Table 44. Parts list—ThinkPad T520, T520i and W520 LCD FRUs (continued) No. FRU (ThinkPad T520, T520i and W520 LCD) FRU no. 04W1511 LCD module, 15.6-inch FHD LED-backlight, with touch panel • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO, 22x • 4281-CTO •...

  • Page 167: Miscellaneous Parts

    Table 45. Parts list—Keyboard (continued) Language FRU no. 45N2081 45N2151 45N2221 Spanish Swiss 45N2098 45N2168 45N2238 Thai 45N2105 45N2175 45N2245 Traditional Chinese 45N2104 45N2174 45N2244 Turkish F Type 60Y9552 60Y9554 60Y9550 Turkish 45N2099 45N2169 45N2239 U.K. English 45N2100 45N2170 45N2240 45N2101 45N2171 45N2241...

  • Page 168: Ac Adapters

    • Sponge, keyboard, UMA 9-cell slice battery 42T4739 AC adapters Table 47. Parts list—2-pin ac adapters for ThinkPad T520 and T520i FRU no. 42T5282 2-pin (65 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY)

  • Page 169: Power Cords

    Table 47. Parts list—2-pin ac adapters for ThinkPad T520 and T520i (continued) FRU no. 42T4427 2-pin (90 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY) 2-pin (90 W, 20 V) adapter (models CTO, xxE, xxF, xxJ, xxL, xxP, xxS, xxU, xxY)

  • Page 170: Recovery Discs

    Windows 7 Home Basic (32 bit) is preinstalled as the operating system in the following models: • 4239-CTO, 36x, 35x • 4240-CTO, 3Mx, 3Xx, 3Yx • 4241-CTO, 42x, 43x, 44x, 45x, 46x ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 171: Windows 7 Home Premium (64 Bit) Dvds

    • 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 53. Parts list—Windows 7 Home Basic (32 bit) recovery DVDs Language Arabic 03W7850 Brazilian Portuguese 03W7851...

  • Page 172: Windows 7 Professional (32 Bit) Dvds

    • 4242-CTO, 23x, 24x, 25x, 2Bx, 2Cx, 2Dx, 2Ex, 2Fx, 2Hx, 2Jx, 2Px, 2Qx, 2Rx, 2Sx, 3Ax, 3Bx, 3Cx, 3Dx, 3Fx, 3Gx, 44x, 56x, 57x • 4243-CTO, 3Sx, 3Xx, 3Yx • 4244-CTO • 4246-CTO • 4249-CTO • 4260-CTO • 4270-CTO • 4276-CTO ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 173: Windows 7 Professional (64 Bit) Dvds

    • 4281-CTO • 4282-CTO, 29x, 3Px • 4284-CTO, 48x Table 55. Parts list—Windows 7 Professional (32 bit) recovery DVDs Language English 03W7818 Japanese 03W7817 03W7816 Simplified Chinese Windows 7 Professional (64 bit) DVDs Windows 7 Professional (64 bit) is preinstalled as the operating system in the following models: •...

  • Page 174: Common Service Tools

    USB floppy diskette drive tool kit 27L3452 42W7820 Test card for integrated Smart Card — LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later Note: Download the file from the following Web site: http://www.lenovo.com/support ThinkPad T520, T520i, and W520 Hardware Maintenance Manual...

  • Page 175: 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 176: 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 ThinkLight...

  • Page 178

    Part Number: 0A60078_03 Printed in (1P) P/N: 0A60078_03 *0A60078_03*...

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