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ThinkPad L420, L421, and L520 Hardware

1. 0 G12 PR oe cii does d eee LCD LCD 15 Chapter 1 Safety information 13 amp
2. gt MS 00000000000000000000 S 2050 LCD front bezel For access remove these FRUs in order 1010 Battery pack on page 57 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 1190 LCD unit on page 85 100 Hardware Maintenance Manual Removal steps of LCD front bezel M2 x 5 mm flat head nylon coated 4 Black 0 181 Nm 1 85 kgfcm When installing Make sure that all the latches are attached firmly Then secure the bezel with the screws 2060 Speaker assembly For access remove these FRUS in order 1010 Battery pack on page 57 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 119
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4. A 32 A CD ROM Erp 2 244 43 SE amp 217 0 BAF VE aft tes AE FANIE PLIMA L MAL dela AB DAS ANA FAR AA 138 spe AGU Ba RAE ASA EE T LE F 9 2500 2024 AE 0155 coop ng xad Mol ES Bea A 92 ATA BA LEE Sud A ae 27 91 AFS AMA FAA EE SAA delz LEA Edo si Sud dE FS ARA Expo BS GAS del 32157 24300 SA 2233113224 LAU 3 LEA FES 9 22 Hardware Maintenance Manual A PRECAUCI N Cuando haya instalados productos l ser por ejemplo unidades de CD ROM unidades de DVD dispositivos de fibra ptica o transmisores tenga en cuenta lo siguiente e No extraiga las cubiertas La extracci n de las cubiertas del producto l ser podr a producir una exposici n a radiaci n l ser peligrosa No hay ninguna pieza dentro del dispositivo que pueda reparar e La utilizaci n de controles ajustes la realizaci n de procedimientos diferentes a los especificados puede dar como resultado una exposici n peligrosa a radiaciones Algunos productos l ser contienen un diodo l ser de Clase 3A o Clase 3B incorporado Tenga en cuenta lo siguiente Emite radiaci n l ser cuando est abierto No fije la vista en el rayo no lo mire directamente con instrumentos pticos y evite la exposici n directa al rayo A Za CD ROM DVD HERE BIAS Bo
5. E For ThinkPad L420 and L421 models with a discrete thermal module top side view m For ThinkPad L420 and L421 models with a discrete thermal module bottom side view na 1 LL For ThinkPad L520 models with a discrete thermal module top side view 92 Hardware Maintenance Manual i1 O 1 For ThinkPad L520 models with a discrete thermal module bottom side view T Ly Removal steps of system board assembly For ThinkPad L520 models Step Torque 0 181 Nm 1 85 kgfcm Chapter 8 Removing and replacing a FRU 93 For ThinkPad L420 and L421 models Torque Screw quantity 0 181 Nm 1 85 kgfem Y 2 G Q nylon M2 x 5 mm flat head For ThinkPad L520 models For ThinkPad L420 and L421 models 94 Hardware Maintenance Manual When installing Make sure that the connectors are attached firmly to the system board 2030 USB connector board and USB cable assembly For access remove these FRUS in order 1010 Battery pack on page 57 1040 Thermal cover on page 61 1050 Hard disk drive or solid state drive assembly on page 62 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70
6. FRU us s o EX zur A AAAG dupla vt TENS wl Juan JA HAL E x lg su 35 de 2844 A au LCD LOD 7 ol SA gos ALB 85158 Hol ae Fo TOUS epe ru o aie AA AFA ALE verlor PUT A au 14 Hardware Maintenance Manual AA ABS BAHIA UA AEA PES wis AAA HANS au 121999 AFORA 493944 AAA usi BS ss SEA AFF ADA SAS ANA F FRU Hot Swap AAAA 9 222 11 47 ZAEANA AI SES Par MAAE BE ANES Sees Antes de encender el sistema despues de sustituir una FRU compruebe que todos los tornillos muelles y demas piezas pequenas se encuentran en su sitio y no se encuentran sueltas dentro del sistema Compru belo agitando el sistema y escuchando los posibles ruidos que provocar an Las piezas met licas pueden causar cortocircuitos el ctricos Algunas bater as de reserva contienen una peque a cantidad de n quel y cadmio No las desmonte ni recargue ni las eche al fuego o al a
7. Aem BRIE FRU SHARE ARIAS AS ERA gt RA BURBS Laser compliance statement multilingual translations The laser compliance statements in this section are provided in the following languages e English e Arabic e Brazilian Portuguese e French e German e Hebrew e Japanese e Korean e Spanish e Traditional Chinese Chapter 1 Safety information 17 A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are installed note the following e Do not remove the covers Removing the covers of the laser product could result in exposure to hazardous laser radiation There are no serviceable parts inside the device e Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure Neer Some laser products contain an embedded Class or Class laser diode Note the following Laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam 3 5 gai 4 DVD vall CAS 4 CD ROM fi Jia julll caia aie ole La Bay gil aagi Y Bgl pile gl Aa Ga pill ji gila pl gji ce gih d otl E gt Judi gla Sa di ya pill aaa ga las
8. e BPI MP RHE MAB RESETE BHR FAN WA AEE EF o e n 8E ES PRA AP o Nun MAMA 3B HEN EB ERITREA ARE TEES FI TE P BOCES gt AA RIE RI FAR ECBCBUB OR gt e Chapter 1 Safety information 23 24 Hardware Maintenance Manual Chapter 2 Important service information This chapter presents following important service information that applies to all machine types supported by this manual e Strategy for replacing FRUs on page 25 Strategy for replacing a hard disk drive on page 26 Important notice for replacing a system board on page 26 How to use error message on page 26 e Strategy for replacing FRUs for CTO CMV and GAV on page 26 Product definition on page 26 FRU identification for CTO CMV and GAV products on page 27 Important e Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes drivers and BIOS downloads Telephone numbers for Lenovo Support are available at http www lenovo com support phone e System Disassembly Reassembly videos that show the FRU removals or replacements for the Lenovo authorized service technicians are available in the following support site http www lenovoservicetraining
9. xxG xxH xxK xxQ xxT xxV 4275283 xxC xxG xxH xxK xxM xxQ xxT xxV er xxC xxG xxH xxK xxM xxQ xxT xxV 4274421 xxC xxG xxH xxK xxM xxQ xxT xxV 4274425 XXA xxB xxC xxG xxH xxK xxM xxQ xxT xxV 4274429 xxG xxH xxK xxM xxQ xxT xxV 4274433 45N0068 Power cords A ThinkPad power cord for a specific country or region is usually available only in that country or region Table 18 Parts list 2 pin power cords Country or region Argentina 4275020 4275105 e models CTO xxY Brazil 4275180 4275183 e models CTO xxP Canada U S 4275008 4275093 e models CTO xxF xxL xxS xxU Japan 4275014 4275099 e models CTO xxE xxJ 140 Hardware Maintenance Manual Table 19 Parts list 3 pin power cords ID Australia New Zealand 4275050 4275135 e models CTO xxM Bangladesh Sri Lanka South Africa 42T5056 4275141 e models CTO xxG Canada U S 4275004 4275089 e models CTO xxT China P R C other than Hong Kong S A R 4275065 4275150 e models CTO xxC Denmark 4275041 4275126 e models CTO xxG European countries 4275029 4275114 e models CTO xxG India 4275083 4275168 e models CTO xxQ Israel 4275062 4275147 e models CTO xxG Italy 4275047 4275132 e models CTO xxG Korea 4275077 4275162 e models CTO xxK Switzerlan
10. 1 2 WANI NS VRR ER When installing Make sure that the Media Card Reader cable assembly is attached firmly to the system board and the Media Card Reader slot board 80 Hardware Maintenance Manual Step Screw quantity Torque A M2 x 3 mm flat head nylon coated 2 Black 0 181 Nm 1 85 kgfcm 1170 Keyboard For access remove these FRUS in order e 1010 Battery pack on page 57 e 1030 Optical drive or travel cover on page 60 e 1120 Palm rest assembly with cables on page 73 Removal steps of keyboard Screw quantity Torque M2 x 5 mm flat head nylon coated 1 0 181 Nm 1 85 kgfcm Chapter 8 Removing and replacing a FRU 81 When installing Make sure all the connectors are attached firmly to the system board Torque Screw quantity Step 0 181 Nm D 2 s c 9 gt c D lt 4 2 E E eo x N 1 85 kgfem 0 181 Nm 1 85 Silver M2 x 2 mm flat head 1 When installing Attach the keyboard so that the keyboard edges are under the frame as shown in the following figure To make sure that the front side of the keyboard is housed firmly gently press the keys with your palms and slightly slide the keyboard toward you until it snaps into position 82 Hardware Maintenance Manual MIN 1 J N N iR m y if PAY QU W 1180 Keyboard
11. FRU or action in sequence 1 Make sure that every connector is connected tightly and correctly 2 DIMM 3 System board No beep power on indicator on and LCD blank during 1 Reseat DIMM POST 2 System board The power on password prompt appears A power on password or a supervisor password is set Type the password and press Enter The hard disk password prompt appears A hard disk password is set Type the password and press Enter LCD related symptoms Important The TFT LCD for the notebook computer contains many thin film transistors TFTs The presence of a small number of dots that are missing discolored or always lighted is characteristic of TFT LCD technology but excessive pixel problems can cause viewing concerns 44 Hardware Maintenance Manual If the LCD you are servicing has two or less visible defective pixels it should not be considered faulty However if the LCD has three or more visible defective pixels it will be deemed as defective by Lenovo and it should be replaced Notes e This policy applies to all ThinkPad Notebooks purchased on 1 January 2008 or later e Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that any replacement LCD will have zero pixel defects e One pixel consists of R G B sub pixels Table 5 LCD related symptoms Symptom or error FRU or action in sequence No beep power on indicator on and a blank LCD during
12. Rear view Combo audio jack External monitor connector DisplayPort connector Security keyhole EJ eSATA USB combo connector Ed Always On USB connector E RJ 45 Ethernet connector 1 In some models the security keyhole is located on the right side of the computer Bottom view Battery pack El ExpressCard slot El Battery pack latch E Wireless WAN card slot El Docking connector for some models SIM slot El Thermal slot cover 1 The DIMM hard disk drive and thermal module are located underneath the thermal slot cover 110 Hardware Maintenance Manual Chapter 10 Parts list This chapter contains following lists of the service parts Overall on page 112 LCD FRUs on page 132 Keyboard on page 137 Miscellaneous parts on page 138 ac power adapters on page 140 Power cords on page 140 Recovery discs on page 141 Common service tools on page 149 Notes e Each FRU is available for all types or models unless specific types or models are specified e FRU with specific models listed and described as xxU where U is an example of a country designator should be used for all models ending in U e FRU with specific models listed and described as 3Dx where 3D is an example of a unique configuration should be used for all of these models unless specific country or region designator is specified A CRU customer replaceable unit is identified by a single
13. Select Security using the cursor directional keys to move down the menu Select Password Select Hard disk password where is the letter of the hard disk drive A pop up window opens Select Master HDP Type the current master HDP in the Enter Current Password field then leave the Enter New Password field blank and press Enter twice Press F10 9 Select Yes in the Setup Confirmation window Both user HDP and master HDP will have been removed NO gt Power management To reduce power consumption the computer has three power management modes screen blank sleep standby in Windows XP and hibernation Screen blank mode If the time set on the Turn off monitor timer in the operating system expires the LCD backlight turns off To put the computer into screen blank mode do as follows 1 Press Fn F3 A panel for selecting a power plan in Windows XP power scheme appears 2 Select Power off display keep current power plan in Windows XP keep current power scheme To end screen blank mode and resume normal operation press any key Sleep standby mode When the computer enters sleep standby mode the following events occur in addition to what occurs in screen blank mode The LCD is powered off e The hard disk drive is powered off e The CPU stops To enter sleep standby mode press Fn F4 Note You can change the action of the Fn F4 key combination by changing
14. 1070 Fan assembly on page 65 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1160 Media Card Reader slot board and Media Card Reader cable assembly on page 79 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 1190 LCD unit on page 85 2010 Top shielding assembly on page 88 2020 System board assembly on page 90 Removal steps of DC in cable and base cover For ThinkPad L520 models Chapter 8 Removing and replacing a FRU 97 Torque Screw quantity Step 0 181 Nm a 2 q Q Y c 9 gt q iS au 2 E E CO x a gt 1 85 kgfem For ThinkPad L420 and L421 models Torque Screw quantity Step 0 181 Nm 2 G Q 2 5 mm flat head nylon 1 85 kgfem Cable routing Route the cable as shown in the following figures For ThinkPad L520 models 98 Hardware Maintenance Manual For ThinkPad L420 and L421 models
15. dy lel yal laua gi giia qi e A ee A La a Y Class 9 Class Ga caa GI FE alana Je caia gay 6 gia ia y Ai cal gal 5 33 Vo AU JAN Y quil xe Andi sa gi ge 18 Hardware Maintenance Manual A CUIDADO Quando produtos a laser como CD ROMs unidades de DVD dispositivos de fibra tica ou transmissores est o instalados observe o seguinte e remova as tampas A remo o das tampas do produto a laser pode resultar em exposi o prejudicial radia o de laser N o h pe as que permitam manuten o no interior do dispositivo e A utiliza o de controles ou ajustes ou a execu o de procedimentos diferentes daqueles especificados aqui pode resultar em exposi o perigosa radia o A Perico Algumas produtos a laser cont m um diodo de laser Classe 3A ou Classe 3B integrado Observe o seguinte Radia o a laser quando aberta N o olhe diretamente para o feixe a olho nu ou com instrumentos ticos e evite exposi o direta ao feixe Chapter 1 Safety information 19 A ATTENTION Si des produits laser tels que des unit s de CD DVD fibre optique ou des metteurs sont install s lisez les informations suivantes e Ne retirez pas les carters En ouvrant le produit laser vous vous exposez au rayonnement dangereux du laser Aucune pi ce de l unit n est r
16. Chapter 4 Related service information PEE Restoring the factory contents using Recovery Disc Set Passwords e Power on password Hard disk password Supervisor password How remove the power on How remove the hard disk password O Copyright Lenovo 2011 ons 17 25 25 26 26 26 26 26 27 29 29 30 30 33 33 34 34 35 35 36 37 37 38 38 38 39 39 39 Power management Screen blank mode Sleep standby mode Hibernation mode Symptom to FRU index Numeric error codes Error messages No beep symptoms LCD related symptoms Intermittent problems Undetermined problems Chapter 5 Status indicators Chapter 6 Fn key combinations Chapter 7 FRU notices Screw notices Retaining serial numbers Restoring the serial number Be the Sylen unit Retaining the UUID Reading writing the ECA Information Chapter 8 Removing and replacing a FRU 5 1010 Bati ry 1020 ExpressCard blank and Media Card blank bezel Bol ow 1030 Optical drive or revels cover 1040 Thermal cover 1050 Hard disk drive or solid state drive assembly 1060 DIMM 1070 Fan assembly 1080 CPU 1090 SIM slot cover 1110 Wireless WAN slot cover PCI Express Mini Card for wireless WAN 4 1110 mSATA solid state drive 1120 Palm rest assembly with cables 1130 PCI Express Mini Card fo
17. Select Security using the cursor directional keys to move down the menu Select Password Select Power On Password Type the current SVP in the Enter Current Password field then leave the Enter New Password field blank and press Enter twice E 7 In the Changes have been saved window press Enter 8 Press F10 then in the Setup Confirmation window select Yes How to remove the hard disk password Attention 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 Chapter 4 Related service information 39 To remove a user HDP that has been forgotten when the SVP and the master HDP are known do the following 1 Turn on the computer 2 When the ThinkPad logo comes up immediately press F1 to enter BIOS Setup Utility For models supporting the Passphrase function press F1 while HDP icon is appearing on the screen then enter the master HDP For the other models enter the master HDP Note To check whether the ThinkPad Notebook you are servicing supports the Passphrase function enter the BIOS Setup Utility and go to Security gt Password If Using Passphrase item is displayed in the menu this function is available on the ThinkPad Notebook
18. Automatic Configuration may alter the settings Note the current configuration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Copyright Lenovo 2011 25 Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive This will cause all customer data on the hard disk to be lost Be sure that the customer has a current backup of the data before doing this task Attention The drive startup sequence in the computer you are servicing may have been changed Be extremely careful during write operations such as copying saving or formatting If you select an incorrect drive data or programs can be overwritten If your computer is shipped with an mSATA drive and a solid state drive or hard disk drive the mSATA drive will be seen as hard disk O in the system and assigned drive C The solid state drive or hard disk drive will be seen as hard disk 1 and assigned drive D The mSATA drive is installed in the wireless WAN card slot of the computer The Lenovo preloaded software is installed on the mSATA drive Important notice for replacing a system board Some components mounted on a system board are very sensitive Improper handling of a system board can cause damage to those components and may cause a system malfunction Attention When handling a system board e Do not drop a system board or apply any excessi
19. System board POST LCD backlight not working Reseat the LCD connectors LCD too dark LCD assembly LCD brightness cannot be adjusted System board LCD contrast cannot be adjusted LCD screen unreadable See important note for LCD related symptoms Characters missing pixels Reseat all LCD connectors Screen abnormal LCD assembly Wrong color displayed System board Horizontal or vertical lines displayed on LCD LCD assembly Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRU replacement should be considered only when a problem recurs When analyzing an intermittent problem do the following 1 Run the diagnostic test for the system board in loop mode at least 10 times 2 If no error is detected do not replace any FRUs 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Undetermined problems If the diagnostic tests did not identify the adapter or device that has failed if wrong devices are installed or if the system simply is not operating follow these procedures to isolate the failing FRU do not isolate FRUs that have no defects Verify that all attached devices are supported by the computer Verify that the power supply being used at the time of the failure is op
20. e 7826 34x 35x 36x 37x 38x 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 43x 44x 45x 46x 47x 48x 7827 CTO 32x 34x 42x 43x 44x 47x 48x 49x 4Dx 4Ex 4Fx 4Jx 4Lx 4Nx 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Sx 5Tx 5Vx 5Yx 5Zx 62x 67x 68x 69x 7829 CTO 32x 34x 42x 43x 44x 47x 48x 49x 4Ax 4Dx 4Ex 4Fx 4Lx 4Mx 4Qx 4Rx 4Sx 4Tx 4Ux 4Yx 4Zx 7853 CTO 7854 CTO 3Ax 3Bx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Yx 3Zx 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Bx 7856 CTO 39x 3Ax 3Bx 3Cx 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 30x 3Sx 3Vx 3Xx 3Yx 3Zx 42x 43x 46x 47x 48x 49x 4Bx 4Cx 4Dx 5015 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 5016 CTO 32x 42x 43x 45x 46x 48x 49x 4Bx 4Cx 4Dx 4Ex 4Gx 4Hx 4Jx 4Lx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Tx 5Vx 5Wx 5Xx 5Yx 63x 64x 5017 CTO 32x 42x 43x 45x 46x 48x 49x 4Ax 4Ex 4Fx 4Gx 4Mx 4Nx 4Px 5019 CTO 7859 CTO 3Dx 3Ex 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx 3Tx 3Ux 3Vx 3Xx 3Yx 42x 43x 4Fx 4Gx 4Hx 4Mx 4Nx 4 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 53x 54x 55x 56x 5Gx 5Hx 5Jx
21. 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1160 Media Card Reader slot board and Media Card Reader cable assembly on page 79 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 1190 LCD unit on page 85 2010 Top shielding assembly on page 88 Chapter 8 Removing and replacing a FRU 95 Removal steps of USB connector board and USB cable assembly When installing Make sure that the connectors are attached firmly Step Screw quantity Torque A M2 x 3 mm flat head nylon coated 1 Black 0 181 Nm 1 85 kgfem Cable routing Route the USB cable assembly as shown in the following figures For ThinkPad L520 models For ThinkPad L420 and L421 models 96 Hardware Maintenance Manual 2040 DC in cable and base cover For access remove these FRUs in order 1010 Battery pack on page 57 1020 ExpressCard blank bezel and Media Card blank bezel on page 58 1030 Optical drive or travel cover on page 60 1040 Thermal cover on page 61 1050 Hard disk drive or solid state drive assembly on page 62 1060 DIMM on page 64
22. 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Ux 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Px 5Qx 5Rx 5Sx 5Tx 5Ux 5Vx 7860 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx CPU assembly Intel Core i3 2310M Processor 2 10 GHz 04W0495 N e 7826 CTO 3Mx 3Nx 3Px 30x 3Rx 3Wx 3Xx 3Yx e 7827 CTO 5Vx 5Xx 5Yx 69x e 7829 CTO 4Cx 4Vx e 7853 CTO e 7854 CTO 33x 38x 3Dx 3Fx 3Hx 3Mx 3Nx 3Px 3Qx 3Wx 3Zx 46x 47x 48x 4Cx 4Dx 4Ex 4Fx 4Gx 4Jx 4Lx 4Mx 4Rx 4Sx 4Tx 56x 57x 58x 59x 5Bx 7856 CTO 33x 38x 39x 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 30x 3Ux 3Vx 3Xx 43x 45x 4Ax 4Bx 5015 CTO 38x 39x 3Cx 5016 CTO 5017 CTO 5019 CTO 7859 CTO 33x 38x 3Gx 3Jx 3Lx 30x 3Rx 3Sx 3Tx 3Ux 3Yx 42x 43x 4Ex 4Fx 4Lx 4Ux 4Vx 4Xx 53x 54x 55x 56x 5Gx 5Hx 5Kx 5Lx 7860 CTO 33x 38x 3Bx 3Fx 3Gx 3Hx 3Jx 3Mx 3Sx CPU assembly Intel Core 13 2330 Processor 2 20 GHz J1 04W1891 N 7826 CTO 45x 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 4Dx 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 5Rx 5Yx 54 63x 64x 7860 CTO 126 Hardware Maintenance Manual Table 9 Parts list Overall co
23. 49x 4Ax 4Bx 4Cx 4Dx 04W0411 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 40x 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4 AZx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 51 5Vx 5Wx 5Xx 5Yx 5Zx 62x 66x 67x 68x 69x 7829 CTO 32x 33x 34x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 40x 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx 47 7853 CTO 7854 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 40x ARx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx AZx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex HE rm Lm 194 Hardware Maintenance Manual Table 10 Parts list 14 0 inch HD LCD continued FRU 14 0 inch HD LCD a E ID e 7856 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx Wireless LAN antenna set 14W 04W1724 Table 11 Parts list 15 6 inch HD LCD No FRU 15 6 inch HD LCD FRUno EN LCD front bezel for 15W 04W1736
24. 4Qx 4Sx 4Yx 4Zx 57x 58x 5Ax 5Bx 5Ex 5Sx 7860 CTO 33x 34x 36x 136 Hardware Maintenance Manual Table 12 Parts list 15 6 inch HD LCD continued FRU 15 6 inch HD LCD ID LCD module 15 6 inch HD anti glare 42 0743 IN 5015 CTO 93P5681 5016 CTO 45x 46x 47x 4Fx 4Gx 4Hx 4Kx 4Mx 4Nx 4Px 4Qx 4Tx 4Ux 4Vx 4Wx 5Jx 5Kx 5Lx 5Zx 5017 CTO 45x 46x 47x 4Hx 4Jx 4Kx 4Lx e 5019 CTO e 7859 CTO 33x 34x 36x 39x 3Ax 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Mx 3Qx 3Rx 3Zx 42x 45x 46x 49x 4Ax 4Mx 40x 4Sx 4Yx AZx 57x 58x 5Ax 5Bx 5Ex 5Sx e 7860 CTO 33x 34x 36x ES Wireless LAN antenna set 15W 04W1726 Keyboard Table 13 Parts list Keyboard Language CRU ID Brazilian Portuguese 45N2287 45N2357 45N2427 Canadian French 058 45N2285 45N2355 45N2425 Canadian French Acnor 45N2284 45N2354 45N2424 Finnish Swedish 45N2309 45N2379 45N2449 Greek U S English and Greek layout 45N2296 45N2366 45N2436 Indian English 63Y0225 63Y0227 63Y0229 Latin American Spanish 45N2286 45N2356 45N2426 Chapter 10 Parts list 137 Table 13 Parts list Keyboard continued Language CRU ID Thai 45N2317 Traditional Chinese 45N2316 45N2386 45N2456 Turkish 45N2311 45N2381 45N2451 Turkish F 60Y9558 60Y9560 60Y9556 U K English 45N2312 45N2382 45N2452 U S English 45N2283 45N2353 45N2423 U S English International wit
25. 4Vx 4Wx 5Ax 5Bx 5Cx 5Dx 5Ex 7856 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Mx 3Nx 3Px 3Qx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx Base cover assembly for 14W Dock for Taiwan 65 W 7826 CTO 3Gx 7827 CTO 32x 33x 34x 5Mx 7829 CTO 32x 33x 34x 4Zx 7853 CTO 7854 CTO 7856 CTO 3Lx Base cover assembly for 14W Dock for Taiwan 90 W 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO Base cover assembly for 15W Dock 5015 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Bx 3Cx 5016 CTO 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx AWx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Qx 5Rx 5Sx 5Tx 5Vx 5Wx 5Xx 5Yx bZx 62x 63x 64x 5017 CTO 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 5019 CTO 7859 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 32x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 116 Hardware Maintenance Manual 42T4799 42T4801 42T4912 04W1737 04W1738 04W1739 04W17
26. 5Rx 5Sx 5Tx 5Vx 5Wx 5Xx 5Yx 62x 63x 64x 5017 CTO 32x 33x 42x 43x 44x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Mx 4Nx 4Px 5019 CTO 7859 CTO 32x 35x 37x 38x 3Bx 3Kx 3Lx 3Nx 3Px 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 43x 44x 47x 48x 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Nx 4Px 4Rx 4Tx 4Ux 4Vx 4Wx 4Xx 52x 53x 54x 55x 56x 59x 5Cx 5Dx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Tx 5Ux 5Vx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 32x 35x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 30x 3Rx 3Sx 04W0442 04W0443 04W0444 04W0445 60Y3329 04W1723 Chapter 10 Parts list 135 04W1729 Table 11 Parts list 15 6 inch HD LCD continued No FRU 15 6 inch HD LCD EC E CRU ID LCD module 15 6 inch HD anti glare 04W0424 e 5015 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 04W0428 e 5016 CTO 32x 33x 42x 43x 44x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Jx 04W0430 4Lx 4Rx 4Sx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 04W0426 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 5Tx 5Vx 5Wx 5Xx 5Yx 62x 63x 64x 5017 CTO 32x 33x 42x 43x 44x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Mx 4Nx 4Px 5019 CTO 7859 CTO 32x 35x 37x 38x 3Bx 3Kx 3Lx 3Nx 3Px 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 43x 44x 47x 48x 4Bx 4Cx 4Dx 4Ex 4
27. 7827 CTO 33x 34x 44x 46x 47x 49x 4Ax 4Bx 4Ex 4Fx 4Gx 4Hx 4Nx 4Px 4Rx ATX 4Ux 4Xx 4Yx 4Zx 5Ax 5Bx 5Cx 5Fx 5Gx 5Lx 5Qx 5Tx 5Vx 5Xx 66x 7829 CTO 33x 34x 44x 46x 47x 49x 4Ax 4Fx 4Gx 4Kx 4Lx 4Mx 4Sx 4Tx 4Wx AXX 4Yx 42 e 7853 CTO 7854 CTO 34x 36x 37x 38x 3Ax 3Lx 3Mx 3Nx 3Rx 3Sx 3Yx 3Zx 4Gx 4Hx 4Lx 4Px 4Sx 4Ux 4Vx 4Wx 5Bx 5Cx 5Dx 5Ex 7856 CTO 34x 36x 37x 38x 39x 3Ax 3Lx 3Mx 3Wx 3Xx 46x 47x 48x 49x 4Ax 4Bx Palm rest assembly without fingerprint reader for 15W Dock 04W1351 N e 5015 CTO 38x 39x 3Cx 5016 42x 43x 45x 46 48 5Dx 5Tx 54 63x 64x 5017 42x 43x 45x 46x 48 5019 CTO 7859 CTO 3Tx 55x 56x 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO Palm rest assembly with fingerprint reader for 15W Dock 04W1352 N 5015 CTO 32x 33x 34x 35x 36x 37x 3Ax 3Bx 5016 CTO 33x 44x 47x 49x 4Ax 4Bx ACx 4 4Fx AGx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Tx 4Ux 4Xx 4Yx 53x 54x 55x 56x 57x 59x 5Jx 5Kx 5Lx 5Mx 5Nx 5Qx 5Rx 5Sx 5Vx 5Wx 5Xx 5Yx 62x 5017 CTO 33x 44x 47x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px e 5019 CTO e 7859 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 43x 4Fx 4Gx 4Hx 4Mx 4Nx 4
28. After you use the TrackPoint the pointer may drift on the screen for a short time This drift can occur when a slight steady pressure is applied to the TrackPoint pointer This symptom is not a hardware problem If the pointer stops after a short time no Service action is necessary If enabling the TrackPoint does not correct the problem continue with the following Interactive Tests Mouse Touch Pad If the Touch Pad does not work check the configuration as specified in the BIOS Setup Utility If the Touch Pad is disabled select Automatic to enable it If enabling the Touch Pad does not correct the problem continue with the following e Interactive Tests gt Mouse Power system checkout To verify a symptom do the following Turn off the computer Remove the battery pack Connect the ac power adapter Check that power is supplied when you turn on the computer Turn off the computer Disconnect the ac power adapter and install the charged battery pack Check that the battery pack supplies power when you turn on the computer NOR gt If you suspect a power problem see the appropriate one of the following power supply checkouts e Checking the ac power adapter on page 34 e Checking operational charging on page 35 e Checking the battery pack on page 35 e Checking the backup battery on page 36 Checking the ac power adapter You are here because the computer fails only when the ac power adap
29. Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds If the Windows Certificate of Authentication label COA Efl is attached to a part that is replaced return the old part with the label attached to the customer or provide a letter to the customer stating what the label was originally on the system and what the label part number serial number and product key were When you replace the base cover apply the following labels El Battery word label E Homologation label The following labels need to be peeled off from the old base cover and need to be put on the new base cover MAC address label El SIM ICC ID label A Wireless WAN MAC address label Indonesia postel label or Brazil Anatel BG label Non Encryption label or Indonesia rating label SIRIM label or Brazil Anatel Bluetooth label Serial number label Israel label SIM models Ej FCC label Product label For some models you need to apply two FCC labels Check the old base cover if it has two FCC labels apply both to the new base cover Chapter 8 Removing and replacing a FRU 99 For the location of each label refer to the following figures For ThinkPad L520 models CJ pL E
30. Step Screw quantity Torque n M2 x 3 mm flat head nylon coated 2 0 181 Nm 1 85 kgfcm 1110 mSATA solid state drive For access remove this FRU Chapter 8 Removing and replacing a FRU 71 e 1010 Battery pack on page 57 Attention e Do not drop the drive or apply any physical shock to it The drive is sensitive to physical shock Improper handling can cause damage and permanent loss of data e Before removing the drive have the user make a backup copy of all the information on it if possible e Never remove the drive while the computer is operating or is in suspend mode Removal steps of mSATA solid state drive Note Loosen the screw but do not remove it 72 Hardware Maintenance Manual Step Screw quantity Torque H M2 x 3 mm flat head nylon coated 1 0 181 Nm 1 85 kgfcm 1120 Palm rest assembly with cables For access remove these FRUs in order e 1010 Battery pack on page 57 e 1030 Optical drive or travel cover on page 60 Chapter 8 Removing and replacing a FRU 73 Removal steps of palm rest assembly with cables Screw quantity Torque M2 x 8 mm flat head nylon coated 1 Black 0 181 Nm 1 85 kgfcm M2 x 5 mm flat head nylon coated 6 Black 0 181 Nm 1 85 kgfcm 74 Hardware Maintenance Manual When installing Attach the palm rest so that the two small projections of the palm rest Eg firmly fit into the guide holes of the keyboard bezel
31. and them press the front side of the palm rest downward until it clicks into place Refer to the following two figures Chapter 8 Removing and replacing a FRU 75 Note In models with the fingerprint reader the sensor is attached to the palm rest FRU If the fingerprint reader is defective you can remove the fingerprint reader by referring to step Ell as shown in the following figure When installing Make sure that all the cables are attached firmly to the system board 1130 PCI Express Mini Card for wireless LAN For access remove these FRUs in order e 1010 Battery pack on page 57 76 Hardware Maintenance Manual e 1030 Optical drive or travel cover on page 60 e 1120 Palm rest assembly with cables on page 73 Removal steps of PCI Express Mini Card for wireless LAN In step FA and EM unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick the connectors with your fingers and gently unplug them in the direction of the arrows 4 Screw quantity BH M2 x 3 mm flat head ny 0 181 Nm 1 85 kgfcm Chapter 8 Removing and replacing a FRU 77 When installing Plug the gray cable into the jack labeled MAIN and the black cable into the jack labeled AUX on the card 1140 Backup battery For access remove these FRUs in order e 1010
32. contamination water or other liquids or signs of fire or smoke damage 8 Check for worn frayed or pinched cables 9 Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD ESD damage can occur when there is a difference in charge between objects Protect against ESD damage by equalizing the charge so that the machine the part the work mat and the person handling the part are all at the same charge Notes 1 Use product specific ESD procedures when they exceed the requirements noted here Chapter 1 Safety information 3 2 Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective When handling ESD sensitive parts e Keep the parts in protective packages until they are inserted into the product e Avoid contact with other people e Wear a grounded wrist strap against your skin to eliminate static on your body Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices e Select a grounding system such as those listed below to provi
33. e External monitor only Note To switch between the computer display and an external monitor the Win P key combination is also available For Windows Vista and Windows XP Switch between the computer display and an external monitor If an external monitor is attached computer output is displayed in the following three patterns by turns e External monitor CRT display Computer display and external monitor LCD CRT display e Computer display LCD Notes 1 This function is not supported if different desktop images are displayed on the computer display and the external monitor the Extend desktop function 2 This function does not work while a DVD movie or a video clip is playing To enable this function start Presentation Director and change the Fn F7 settings Note Multiple users can log on to a single operating system by using different user IDs Each user needs to change the settings Fn F12 Fn PgUp Put the computer into hibernation mode To return to normal operation press the power button for less than four seconds Note To use Fn F12 for hibernation you must have the ThinkPad PM device driver installed on the computer Turn the ThinkLight on or off 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 50 Hardware Maintenance Manual Table 7 Fn key combinations
34. of the capacity Blinking orange rapid An error has occurred in the battery Off The battery is fully charged or the battery is detached 48 Hardware Maintenance Manual Chapter 6 Fn key combinations The following table shows the function of each combination of Fn with a function key Table 7 Fn key combinations Fn F3 Select a power plan in Windows XP power scheme that has been created by Power Manager or adjust the power level by using the slider control When you press this combination a panel for selecting a power plan power scheme appears Notes 1 To use the Fn F3 key combination you must have the ThinkPad PM device driver installed on the computer If you have logged on with an administrator user ID in Windows XP and you press Fn F3 the window for selecting a power scheme appears If you have logged on with another user ID in Windows XP and you press Fn F3 the window does not appear You cannot turn off the computer display by pressing Fn F3 Fn F4 Put the computer in sleep standby mode To return to normal operation press the Fn key only without pressing a function key Notes 1 To use the Fn F4 key combination you must have the ThinkPad PM device driver installed on the computer 2 If you want to use the combination to put the computer into hibernation mode or do nothing mode in Windows XP shut the computer down or show the panel for turning off the computer change the settings in the Pow
35. 35x 36x 37x 38x 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx 3Tx 4Dx 4Ex 4Mx 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 5Dx 5Px 5Qx 5Rx 7860 CTO 32x 33x 34x 35x 36x 37x 38x 3Ax 3Bx 3Cx 3Dx 3Hx 3Jx 3Lx 3Mx 3Nx 3Rx 3Sx Intel Centrino Advanced N 6205 60Y3253 7826 CTO 32x 33x 37x 38x 39x 3Ax 3Bx 3Fx 3Gx 3Sx 3Tx 7827 CTO 33x 34x 42x 43x 44x 49x 4Ax 4Bx 4Gx 4Hx 4Kx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4 4Ux 4 4Wx 4Xx 4Yx AZx 52x 53x 54x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Qx 5Tx 5Wx 5Xx 66x 7829 CTO 33x 34x 42x 43x 44x 49x 4 4Bx 4Cx 4Gx 4Hx 4Jx 4Kx 4Nx 4Px 4Qx 4Rx 4Sx 4Vx 4Wx 4Xx 7853 CTO e 7854 CTO 32x 33x 34x 35x 36x 3Xx 3Yx 3Zx 42x 43x 44x 49x 4Cx 4Gx 4Hx 4Jx 4Kx 4Ux 4Wx 5Cx 7856 CTO 32x 33x 34x 35x 36x 3Nx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Yx 3Zx 49x 4Cx 4Dx e 5015 CTO 36x 37x 3Ax 3Bx 5016 CTO 33x 42x 43x 44x 45x 46x 47x 48x 49x 4Ex 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Lx 5Mx 5Sx 5Vx 5Wx 5Xx 5Yx 5Zx 62x 5017 CTO 33x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx e 5019 CTO e 7859 CTO 39x 3Ax 3Bx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4 4Bx 4Cx 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Nx 4Yx 4Zx 57x 58x 59x 5
36. 49x 04W0445 7827 CTO 33x 34x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 5Yx 5Zx 62x 66x 69x 7829 CTO 33x 34x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx 3Tx 3Ux 3Xx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx ANX 4Px 4 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 7856 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 2 Microphone 60Y3329 e 7826 CTO 34x 3Zx e 7827 CTO 32x 42x 43x 44x 45x 4Sx 52x 55x 56x 5Dx 5Ex 5Fx 5Qx 5Sx 5Wx 67x 68x 7829 CTO 32x 42x 43x 44x 45x 4Qx 4Rx 4Sx 7853 CTO 7854 CTO 3Vx 3Wx 7856 CTO 4 Hinges 14W 04W1731 N 04W1732 LCD cover kit Texture 14W with logo silver N LCD module 14 0 inch HD anti glare 93P5729 N e 7826 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 93P5725 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 93P5721 42x 43x 44x 45x 46x 47x 48x 49x 93P5733 7827 CTO 32x 33x 34x 42x 43x 44x 45x 46x 47x 48x
37. 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 5Tx 5Zx 62x e 5017 CTO 32x 33x 43x 44x 46x 47x 48x 49x 4 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Px e 5019 CTO e 7859 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Rx 3Sx 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Jx 4Kx 4Lx 4Mx 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 47 52x 53x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Px 5Qx 5Rx 5Sx 5Tx 5Ux 146 Hardware Maintenance Manual e 7860 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Ox 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Nx 3Px 3Qx 3Rx 3Sx Table 28 Parts list Windows 7 Professional 64 bit recovery DVDs ID Arabic 0471771 3 Brazil Portuguese C amp L Nordics Danish Finnish Swedish Norwegian English Windows 7 Starter 32 bit DVDs Windows 7 Starter 32 bit is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO Chapter 10 Parts list 147 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 29 Parts list Windows 7 Ultimate 64 bit recovery DVDs Language P N Indian English 0411841 Russian 0471842 US English 0471843 Windows 7 Ultimate 32 bit DVDs Windows 7 Ultimate 32 bit
38. 5017 CTO 5019 CTO 7859 CTO 7860 CTO 3Hx 25 System board assembly HM65 integrated 15W Dock TPM AUO4 with wireless WAN 04W0386 N e 5015 34x e 5016 32x 33x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Lx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Mx 5Qx 54 5017 CTO 32x 33x 42x 43x 44x 45x 46x 47x 48x 49x 4Dx 4Ex 4Fx 4Gx 4Jx 4 4Mx 4Nx 5019 CTO 7859 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Ux 3Vx 3Wx 3Xx 3Yx 42x 43x 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Kx 4Lx 4Mx 52x 53x 54x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Px 5Qx 5Rx 5Sx 5Tx 5Ux 5Vx 7860 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Ex 3Fx 3Gx 3Kx 3Lx 3Mx 25 System board assembly HM65 integrated 15W Dock non TPM AUOA with wireless WAN 04W0387 5015 CTO 5016 CTO 4Hx 4Jx 5017 CTO 5019 CTO 7859 CTO 3Dx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx 3Tx 4Qx 4Rx 4Vx 7860 CTO ExpressCard slot blank bezel 04W1721 N 26 SmartCard Reader E 41N3045 e 7826 CTO 03X6352 e 7827 42x e 7829 CTO e 7853 CTO e 7854 CTO e 7856 CTO e 5015 CTO e 5016 CTO e 5017 CTO 4 e 5019 CTO e 7859 CTO e 7860 Chapter 10 Parts list 131 Table 9 Parts list Overall continued FRU Overall Palm rest assembly with fingerprint reader for 14W Dock 04W1350 7826 CTO 32x 36x 3Ex 3Gx
39. 54x 55x 56x 57x 58x 59x 5Ax 5Cx 5Dx 5Ex 5Px 5Qx 5Rx 5Sx 5Tx 5Ux 5Vx 7860 CTO 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Ex 3Fx 3Gx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx Battery pack 6 cell Li ion 10 4 Wh 4214817 7826 CTO 4214819 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Chapter 10 Parts list 115 Table 9 Parts list Overall continued E FRU Overall Ee CRU ID Battery pack 9 cell Li ion 2 8 Ah 7826 CTO 7827 CTO 45x 46x 7829 CTO 45x 46x 7853 CTO 7854 CTO 32x 33x 34x 35x 7856 CTO 32x 33x 34x 35x 3Rx 3Tx 3Ux 5015 CTO 5016 CTO 42x 43x 44x 45x 46x 47x 4Kx 5Zx 5017 CTO 42x 43x 44x 45x 46x 47x 5019 CTO 7859 CTO 32x 33x 34x 5Bx 7860 CTO 32x 33x 34x Base cover assembly for 14W Dock 7826 CTO 32x 36x 3Dx 3Ex 3Zx 7827 CTO 42x 43x 44x 45x 46x 47x 48x 49x 4 4 4Ex 4Fx 4Gx 4Hx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4 AWx 4Xx 4Yx AZx 52x 53x 54x 55x 56x 57x 58x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Lx 5Qx 5Rx 5Sx 5Tx 5Vx 5Wx 5Xx 66x 67x 68x 69x 7829 CTO 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Ex 4Fx 4Gx 4Kx 4Lx 4Mx 4Qx 4Rx 4Sx 4Tx 4Ux 4Wx 4Xx 4Yx e 7853 CTO 7854 CTO 32x 33x 34x 35x 36x 37x 38x 3Ax 3Lx 3Mx 3Nx 3Rx 3Sx 3Tx 3Yx 3Zx 42x 43x 44x 45x 46x 48x 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Px 4Sx 4Ux
40. 5Kx 5Lx 5Mx 5Nx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 39x 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Lx 3Mx 3Px 30x 3Rx 3Sx Chapter 10 Parts list 113 Table 9 Parts list Overall continuea FRU Overall 4 GB DDR3 1333 SDRAM SO DIMM PC3 10600 card 55Y3717 7826 CTO 39x 3Ax 3Bx 49x 7827 CTO 33x 45x 46x 4Cx 4Hx 4Kx 4Mx 4 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 5Rx 5Wx 5Xx 66x 7829 CTO 33x 45x 46x 4Cx 4Gx 4Hx 4Jx 4Kx 4Nx 4Px 4Vx 4Wx 4Xx e 7853 CTO e 7854 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Cx 3Dx 3Ex 3Fx 3Xx 42x 43x 44x 45x 46x 4Jx 4Kx 4Ux 4Vx 4Wx 5Ax 5Cx 5Dx 5Ex e 7856 CTO 32x 33x 34x 35x 36x 37x 38x 3Nx 3Px 3Rx 3Tx 3Ux 3Wx 44x 45x 4Ax e 5015 CTO 5016 CTO 33x 44x 47x 4Ax 4Fx 4Kx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4WXx 4Xx 4Yx AZx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Sx 5Zx 62x e 5017 CTO 33x 44x 47x 4 4Cx 4Dx 4Hx 4Jx 4Kx 4Lx e 5019 CTO e 7859 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Gx 3Hx 3Jx 3Wx 3Zx 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Jx 4Kx 4Lx 4Wx 4Xx 4 AZx 52x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Px 5Qx 5Rx 5Sx 5Tx 5Ux 5Vx e 7860 CTO 32x 33x 34x 35x 36x 37x 38x 3Ax 3Ex 3Kx 3Nx Media Cara Reader owe n A E v CAT ET CAT ET Oss conector pora as
41. 60Y4809 7826 CTO 3Cx 3Dx 3Ex 3Nx 3Px 3Qx 3Rx 60Y4819 7827 CTO 32x 33x 34x 43x 44x 48x 49x 4Dx 4Ex 4Fx 4Jx 4Nx 4Qx 4Rx 4Sx 75Y5123 4Vx 4Wx 4Yx 4Zx 54x 57x 5Ax 5Bx 5Ex 5Fx 5Hx 5Tx 5Vx 5Wx 5Xx 5Yx 5Zx 66x 7829 CTO 32x 33x 34x 43x 44x 48x 4Dx 4Ex 4Fx 4Mx 4Rx 4Sx 4Ux 4Wx 4Xx e 7853 CTO e 7854 CTO 32x 33x 34x 35x 36x 37x 38x 3Bx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Rx 3Sx 42x 43x 44x 45x 46x 47x 4Ax 4Dx 4Ex 4Fx 4Gx 4Hx 4Kx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 53x 58x 59x 5Ax 7856 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Nx 3Yx 3Zx 42x 43x 46x 47x 48x 49x 4Cx 4Dx e 5015 CTO 3Bx 5016 CTO 32x 33x 44x 45x 46x 48x 49x 4Ex 4Gx 4Hx 4Jx 4Lx 4Mx 40x 4Rx 4Sx 4Ux 4 4Wx 4Yx AZx 52x 57x 59x 5Bx 5Fx 5Gx 5Lx 5Mx 5Wx 5Zx 62x e 5017 CTO 32x 33x 44x 45x 46x 48x 49x 4Ax 4Gx 4Jx 4Kx 4Nx e 5019 CTO e 7859 CTO 35x 36x 37x 38x 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Ux 3Vx 3Xx 3Yx 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Kx 4Lx 4Qx 4Rx 4Sx 4Tx AUX 59x 5Dx 5 5Qx 5Rx 7860 CTO 35x 36x 37x 38x 39x 3Cx 3Dx 3Gx 3Nx 3Px 3Rx 3Sx SATA hard disk drive 320 GB 7 200 rpm 7mmH 04W1291 7826 CTO 3Cx 3Dx 3Ex 3Nx 3Px 3Qx 3Rx 3Xx 04W1294 7827 CTO 32x 33x 34x 43x 44x 48x 49x 4Dx 4Ex 4Fx 4Jx 4N
42. 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 3Mx Chapter 10 Parts list 129 Table 9 Parts list Overall continuea ID 25 System board assembly HM65 integrated 14W Dock TPM AUO4 with wireless WAN 04W0378 N 7826 CTO 32x 3Zx 7827 CTO 32x 33x 34x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Gx 4Hx 4Nx 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Qx 5Rx 5Tx 5Vx 5Wx 5Xx 66x 67x 68x 69x 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 7829 CTO 32x 33x 34x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Ex 4Fx 4Gx 4Kx 4Lx 4Mx 4Qx 4Rx 4Sx 4Tx 4Ux 4Wx 4Xx 4Yx e 7853 CTO 7854 CTO 32x 33x 34x 35x 36x 37x 38x 3Rx 3Sx 3Tx 3Yx 3Zx 42x 43x 44x 45x 46x 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Ux 4 4Wx 5Ax 5Bx 5Cx 5Dx 5Ex 7856 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Nx 3Px 3Qx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx System board assembly HM65 integrated 14W Dock non TPM AUO4 with wireless WAN 04W0379 e 7826 e 7827 CTO 4Ex 4Fx e 7829 e 7853 CTO e 7854 CTO 3Ax 3Lx 3Mx 3Nx 4Px 45 e 7856 CTO System board assembly HM65 14W non docking TPM AUO4 without wireless WAN 04W0480 e 7826 CTO 34x 3Px 30x 3Rx 3Yx 42x e 7827 CTO 4Kx 4Lx 5Jx 5Px e 7829 CTO 4Nx e 7853 CTO e 7854 CTO 3Ux 3Vx 3Wx 59x N N 7856 CTO 3Bx 3Cx 3Dx 3Ex 3Fx 3Jx 3Zx
43. Battery pack on page 57 e 1030 Optical drive or travel cover on page 60 e 1120 Palm rest assembly with cables on page 73 Removal steps of backup battery dancer Use only the battery specified in the parts list for your computer Any other battery could ignite or explode When installing Make sure that the battery connector is attached firmly to the system board 1150 Bluetooth daughter card For access remove these FRUs in order e 1010 Battery pack on page 57 e 1030 Optical drive or travel cover on page 60 e 1120 Palm rest assembly with cables on page 73 78 Hardware Maintenance Manual Removal steps of Bluetooth daughter card Step Screw quantity Torque M2 x 3 mm flat head nylon coated 1 0 181 Nm 1 85 kgfcm When installing Make sure that the connector on bottom side of the card is attached firmly to the system board 1160 Media Card Reader slot board and Media Card Reader cable assembly For access remove these FRUs in order 1010 Battery pack on page 57 1020 ExpressCard blank bezel and Media Card blank bezel on page 58 1030 Optical drive or travel cover on page 60 1090 SIM slot cover on page 69 1120 Palm rest assembly with cables on page 73 Chapter 8 Removing and replacing a FRU 79 Removal steps of Media Card Reader slot board and Media Card Reader cable assembly gt 0 Ki 0 V 000 0 y
44. CTO 49x 5015 CTO 5016 CTO 4Fx 4Mx 4Nx 4Tx 4Ux 4Xx 52x 53x 54x 5Lx 5017 CTO 4Ax 4Bx 4Jx 5019 CTO 7859 CTO 39x 44x 45x 46x 47 7860 CTO CPU assembly Intel Pentium B940 Processor 2 0 GHz Q 04W1894 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO 128 Hardware Maintenance Manual Table 9 Parts list Overall continuea ID CPU assembly Intel Pentium B950 Processor 2 1 GHz Q 04W1895 N e 7826 CTO e 7827 CTO e 7829 CTO e 7853 CTO e 7854 CTO e 7856 CTO e 5015 e 5016 CTO e 5017 CTO e 5019 e 7859 CTO e 7860 CTO CPU assembly Intel Celeron B800 Processor 1 5 GHz Q 04W3399 e 7826 CTO 44x e 7827 CTO e 7829 CTO e 7853 CTO e 7854 CTO e 7856 CTO e 5015 CTO e 5016 CTO e 5017 CTO e 5019 CTO e 7859 CTO 5Wx 5Xx 65x 66x e 7860 CTO CPU assembly Intel Celeron B810 Processor 1 6 GHz QO 04W1896 N e 7826 CTO 42x 43x e 7827 CTO 68x e 7829 CTO e 7853 CTO e 7854 CTO e 7856 CTO e 5015 CTO e 5016 CTO 64x e 5017 CTO e 5019 CTO e 7859 CTO 5Jx 5Mx 5Nx e 7860 System board assembly HM65 integrated 14W Dock TPM AUO4 without wireless WAN 04W0376 N 7826 CTO 36x 3Dx 3Ex 3Gx 7827 CTO 5Lx 5Mx 5Sx 7829 CTO 4Zx 7853 CTO 7854 CTO 48x 4Fx 7856 CTO 3Lx System board assembly HM65 integrated 14W Dock non TPM AUO4 without wireless WAN 04W0377 7826 CTO
45. Default configuration used two short beeps 02D0 System cache error two short beeps 02F0 CPU ID xx Failed 1802 Unauthorized network card is plugged in Turn off and remove the miniPCI network card two short beeps Charge the backup battery for more than 8 hours by connecting the ac power adapter Replace the backup battery and run BIOS Setup Utility to reset the time and date Charge the backup battery for more than 8 hours by connecting the ac power adapter Replace the backup battery and run BIOS Setup Utility to reset the time and date Turn off the computer and discharge CMOS Then restart the computer Charge the backup battery for more than 8 hours by connecting the ac power adapter Replace the backup battery and run BIOS Setup Utility to reset the time and date System board Charge the backup battery for more than 8 hours by connecting the ac power adapter Replace the backup battery and run BIOS Setup Utility to reset the time and date System board Run BIOS Setup Utility to reset the time and date 1 Load Setup Default in BIOS Setup Utility 2 DIMM 3 System board 1 CPU 2 System board 1 CPU 2 System board 1 Remove Mini PCI network card 2 System board 43 Chapter 4 Related service information Error messages Table 3 Error messages Symptom or error beeps if any FRU or action in sequence Bad CRC2 Enter BIOS Setup Ut
46. aoa NON amoo ANTON HN IAN T5779 mul 299912 aN ipe masi MD wry ays 299127 ama Now oon pws IN NIE Now MANTA 113732 WIRD e 11220 row 291279 35 aw Class 38 Class muaa 17799 277177 299922 7955 xvn DYLAN IT Nw wean DN niu wean ON IIND 217 INS Web cP 212792 map IDO IDA WaT PBTN Chapter 1 Safety information 21 m H ri CD ROM DVD e Arn 3A 3B
47. asterisk or two asterisks in the CRU ID column An N in the CRU ID column means that the part is not a CRU A single asterisk means that the part is a Self service CRU two asterisks means that the part is an Optional service CRU External CRU statement to customers Some problems with your product can be resolved with a replacement part you can install yourself called a Customer Replaceable Unit or CRU Some CRUs are designated as Self service CRUs and others are designated as Optional service CRUs Installation of Self service CRUS is your responsibility you may request that Lenovo installs an Optional service CRU according to the warranty service for your product Where you are installing the CRU Lenovo will ship the CRU to you CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request You may find a list of CRUs in the publications that ship with your product or at http www lenovo com CRUs You may be required to return the defective part that is replaced by the CRU When return is required 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 ThinkPad computers cont
48. bezel For access remove these FRUs in order 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1130 PCI Express Mini Card for wireless LAN on page 76 1120 Palm rest assembly with cables on page 73 1170 Keyboard on page 81 1030 Optical drive or travel cover on page 60 1010 Battery pack on page 57 1070 Fan assembly on page 65 Removal steps of keyboard bezel Note Steps EN are only for ThinkPad L520 models For ThinkPad L420 and L421 models skip steps EL E El o NO g gt a JD E16 E10 Chapter 8 Removing and replacing aFRU 83 Screw quantity Torque M2 5 x 6 5 mm flat head nylon coated 2 Black 0 392 Nm 4 kgfcm M2 x 3 mm flat head nylon coated 3 Black 0 181 Nm 1 85 kgfem M2 x 3 mm flat head nylon coated 2 Black 0 181 Nm 1 85 kgfcm M2 x 5 mm flat head nylon coated 3 Black 0 181 Nm 1 85 kgfcm M2 x 5 mm flat head nylon coated 1 Black 0 181 Nm 1 85 kgfcm Screw quantity Torque M2 x 3 mm flat head nylon coated 2 0 181 Nm 1 85 kgfcm When installing Make sure that the connectors are attached firmly to the system board 84 Hardware Maintenance Manual 1190 LCD unit For access remove these FRUS in order 1010 Battery pack on page 57 1030 Optical drive or travel cover on page 60 1110 Wireless WAN sl
49. digit MT and 3 digit model where model CTO Example 1829 CTO GAVs are loaded in PEW under the 4 digit MT and 3 digit model where model a fixed part number not CTO Example 1829 F1U e PEW can be accessed at the following Web site http www lenovo com support site wss document do Indocid 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 Using eSupport For key commodities examples hard disk drive system board microprocessor LCD and memory e eSupport can be used to view the list of key commodities built in a particular machine serial this is the same record found in PEW e eSupport can be accessed at the following Web site http support lenovo com e To view the key commodities do the following 1 Click Products amp Service Warranty 2 Click Check Warranty Status 3 On the Warranty Status Lookup page click Parts Lookup 4 Type your machine type and serial number and then click Submit The key commodities will be displayed For the remaining FRUs the complete list of FRUs at the MT model level e eSupport can be used to view the complete list of FRUs for a machine type and model e To view the complete list of FRUs do the following 1 Click Product amp Parts Detail and then follow the instructions on the screen to reach the Product and Parts Details page 2 Click the Pa
50. force to the HDD or SSD bracket EE To do so you might bend or break it e Before installing an HDD or SSD assembly into models with only an mSATA solid state drive be sure to remove the mSATA spacer fas shown in the following illustration Chapter 8 Removing and replacing a FRU 63 Removal steps of HDD or SSD bracket Step Screw quantity Torque M3 x 3 5 mm flat head 4 Silver 0 392 Nm 4 kgfcm 1060 DIMM For access remove these FRUs in order e 1010 Battery pack on page 57 e 1040 Thermal cover on page 61 64 Hardware Maintenance Manual Removal steps of DIMM Note If only one DIMM is used on the computer you are servicing the card must be installed in SLOT 0 EE lower slot but not in SLOT 1 EE upper slot When installing Insert the notched end of the DIMM into the socket Press the DIMM firmly and pivot it until it snaps into place Make sure that it is firmly fixed in the slot and does not move easily 1070 Fan assembly For access remove these FRUs in order e 1010 Battery pack on page 57 e 1040 Thermal cover on page 61 Attention Do not handle the fan roughly Improper handling of the fan can cause distortion or deformation and imperfect contact with components Do not touch or apply any excessive f
51. in all countries Consult your local 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 However it is the user s responsibility to evaluate and verify the operation of any other product program or service Lenovo may have patents or pending patent applications covering subject matter described in this document The furnishing of this document does give you any license to these patents You can send license inquiries in writing to Lenovo United States Inc 1009 Think Place Building One Morrisville NC 27560 U S A Attention Lenovo Director of Licensing LENOVO PROVIDES THIS PUBLICATION AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you This information could include technical inaccuracies or typographical errors Changes are periodically made to the information herein these changes will be incorporated
52. in new editions of the publication Lenovo may make improvements and or changes in the product s and or the program s described in this publication at any time without notice The products described in this document are not intended for use in implantation or other life 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 Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties All information contained in this document was obtained in specific environments and is presented as an illustration The result obtained in other operating environments may vary Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you Any references in this publication to non Lenovo Web sites are provided for convenience only and do not in any manner serve as an endorsement of those Web sites The materials at those Web sites are not part of the materials for this Lenovo product and use of those Web sites is at your own risk Any performance data contained herein was determined in a controlled environment Therefore the result obtained in other operating environments may vary significantly Some measurements may have been made on development level systems and
53. is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 30 Parts list Windows 7 Ultimate 32 bit recovery DVDs Language P N Indian English 04 1798 E US English 0471799 Windows 7 Ultimate 64 bit DVDs Windows 7 Ultimate 64 bit is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO 148 Hardware Maintenance Manual Table 31 Parts list Windows 7 Ultimate 64 bit recovery DVDs Language Indian English US English P N CRU ID 04 1800 04T1801 Common service tools Table 32 Parts list Common service tools Tool Screwdriver kit 1 4 drive spinner handle 1 4 Sq to 1 4 hex torx adapter TR7 TR 10 tamper resistant torx bits Removal tool antenna RF connector USB 2 0 CD RW DVD ROM combo drive II USB cable USB floppy diskette drive for maintenance diskette USB floppy diskette drive tool kit 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 support lenovo com Chapter 10 Parts list 149 150 Hardware Maintenance Manual Appendix A Notices Lenovo may not offer the products services or features discussed in this document
54. lenovo com Restoring the factory contents by using Recovery Disc Set When the hard disk drive or solid state drive is replaced because of a failure no product recovery program is on the new hard disk In this case you must use the Recovery Disc Set for the computer Order the Recovery Disc Set and the hard disk drive at the same time so that you can recover the new hard disk drive with the pre installed software when they arrive For information on which discs to order see Recovery discs on page 141 The recovery disc set consists of the user instructions and the following set of DVDs to restore the computer to the original factory configuration Operating System Recovery Disc one disc This disc restores the Microsoft Windows operating system Use this disc to start the recovery process Applications and Drivers Recovery Disc one or more discs This disc restores the preinstalled applications and drivers on the computer Supplemental Recovery Disc This disc contains additional content such as updates to the software that was preinstalled on the computer Not all recovery disc sets come with a Supplemental Recovery Disc Notes e You must have a DVD drive to use the recovery discs If you do not have an internal DVD drive you can use an external USB DVD drive e During the recovery process all data on the drive will be deleted If possible copy any important data or personal files that you want to keep onto removable m
55. 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 A DANGER The battery pack contains small amounts of nickel Do not disassemble it throw it into fire or water or short circuit it Dispose of the battery pack as required by local ordinances or regulations Use only the battery in the appropriate parts listing when replacing the battery pack Use of an incorrect battery can result in ignition or explosion of the battery A DANGER The lithium battery can cause a fire an explosion or a severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water 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 A DANGER If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing A DANGER To avoid shock do not remove the plastic cover that protects the lower part of the inverter card DANGER Though the main batteries hav
56. ou deixe a entrar em curto circuito Descarte a bateria conforme requerido pelas leis ou regulamentos locais Use somente a bateria nas partes listadas apropriadas O uso de uma bateria incorreta pode resultar em combust o ou explos o da bateria PERIGO O pacote da bateria cont m uma pequena quantidade de n quel N o o desmonte jogue o no fogo ou na gua ou deixe o entrar em curto circuito Descarte o pacote da bateria conforme requerido pelas leis ou regulamentos locais Use somente a bateria nas partes listadas apropriadas ao substituir o pacote da bateria O uso de uma bateria incorreta pode resultar em combust o ou explos o da bateria Chapter 1 Safety information 7 A PERIGO A bateria de l tio pode causar inc ndio explos o ou graves queimaduras N o a recarregue remova seu conector polarizado desmonte a aque a a acima de 100 C 212 F incinere a ou exponha o conte do de sua c lula gua Descarte a bateria conforme requerido pelas leis ou regulamentos locais Use somente a bateria nas partes listadas apropriadas O uso de uma bateria incorreta pode resultar em combust o ou explos o da bateria A PERIGO Se o LCD quebrar e o fluido de dentro dele entrar em contato com seus olhos ou com suas m os lave as reas afetadas imediatamente com gua durante pelo menos 15 minutos Procure cuidados m dicos se algum sintoma causado pelo fluido surgir ap s a lavagem A PERIGO Par
57. plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card 180 degrees more LI Cross section Torque driver If you have a torque driver refer to the Torque column for each step e Make sure that you use the correct screw If you have a torque screwdriver tighten all screws firmly to the torque shown in the table Never use a screw that you removed Use a new one Make sure that all of the screws are tightened firmly Ensure torque screw drivers are calibrated correctly following country specifications O Copyright Lenovo 2011 53 Retaining serial numbers This section includes the following descriptions e Restoring the serial number of the system unit on page 54 e Retaining the UUID on page 54 e Reading or writing the ECA information on page 55 Restoring the serial number of the system unit When the computer was manufactured the EEPROM on the system board was loaded with the serial numbers of the system and all major components These numbers need to remain the same throughout the life of the computer 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 2 From the m
58. system checkout on page 34 and check the power sources If an error code appears go to Symptom to FRU index on page 41 When the ThinkPad logo comes up immediately press F12 to enter the Boot Menu Insert the PC Doctor CD into the internal optical drive Press cursor keys to select ATAPI CDx x 0 1 and then press Enter Follow the instructions on the screen The main panel of PC Doctor appears Select Diagnostics with the arrow keys and press Enter Note You can select an item not only with the arrow keys but also with the TrackPoint pointer Instead of pressing Enter click the left button A pull down menu appears lts exact form depends on the model Note PC Doctor menu does not mean the formal support device list Some unsupported device names may appear in the PC Doctor menu iagnostics Interactive Tests Hardware Tnfo tility Quit F1 Help Run Normal Test Run Quick Test CPU Coprocessor Systemboard Video Adapter Fixed Disks Diskette Drives Other Devices Communication Wireless LAN Advanced Memory Tests PC DOCTOR 2 0 Copyright 2008 PC Doctor Inc All Rights Reserved Use the cursor keys and ESC to move in menus Press ENTER to select The options on the test menu are as follows Chapter 3 General checkout 31 Diagnostics Interactive Tests Run Normal Test Keyboard Run Quick Test Video CPU Coproce
59. there is no guarantee that these measurements will be the same on generally available systems Furthermore some measurements may have been estimated through extrapolation Actual results may vary Users of this document should verify the applicable data for their specific environment O Copyright Lenovo 2011 151 Electronic emissions notices For electronic emission information on Class B digital devices refer to the corresponding information in the User Guide CE Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Active Protection System Lenovo ThinkPad ThinkVantage ThinkLight TrackPoint UltraNav The following terms are trademarks of the Microsoft group of companies Microsoft Windows Windows Vista The following are trademarks of Intel Corporation or its subsidiaries in the United States other countries or both Intel Intel Celeron Intel Centrino Intel Core Intel Pentium Other company product or service names may be the trademarks or service marks of others 152 Hardware Maintenance Manual ThinkPad Part Number 0A60342_03 1P P N 0A60342_03
60. 0 LCD unit on page 85 2050 LCD front bezel on page 100 Chapter 8 Removing and replacing a FRU 101 Removal steps of speaker assembly Step Screw quantity Torque M2 x 3 mm flat head nylon coated 2 Black 0 181 Nm 1 85 2070 Integrated camera For access remove these FRUs in order 1010 Battery pack on page 57 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 1190 LCD unit on page 85 2050 LCD front bezel on page 100 2060 Speaker assembly on page 101 102 Hardware Maintenance Manual Removal steps of integrated camera Step Screw Screw quantity Color Torque M2 x 3 mm flat head nylon coated 2 Black 0 181 Nm 1 85 kgfcm When installing Make sure that the connector is attached firmly 2080 Antenna assembly For access remove these FRUS in order e 1010 Battery pack on page 57 e 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 e 1110 mSATA solid state drive on page 71 e 1120 Palm rest assembly with cables on page 73 e 1130 PCI Express Mini Card for wireless LAN on page 76 e 1170 Keyboard on page 81 e 1180 Keyboard be
61. 40 Table 9 Parts list Overall continuea FRU Overall 1 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Gx 5Hx 5Jx 5Kx 51 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 5Tx 5Ux 5Vx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x e 7860 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx 11 Base cover assembly for 15W Dock for Taiwan 65 W 04W1741 5015 CTO 5016 CTO 32x 33x 5Px 5017 CTO 32x 33x 4Px 5019 CTO 7859 CTO 7860 CTO 3Jx 7829 CTO 32x 33x 34x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4 40x 4Rx 4Sx 41 4Ux 4 4Wx 4Xx 4Yx 42x 7853 CTO 7854 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 30x 3Dx 3Fx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 32x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 5015 32x 33x 34x 35x 36x 37x 39x 3Bx 3Cx 5016 CTO 32x 33x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4 4Lx 4Mx 4Nx 4Px 40x 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx 47x 52x
62. 42x 43x 44x 45x N N 7853 CTO 7854 CTO 3Xx 47x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4 4Yx 4Zx 52x 53x 54 55 56x 57x 58x 7856 CTO 3Hx 3Rx 3Yx System board assembly HM65 AMD 1GB 14W non docking non TPM AUO4 without 04W0483 N wireless WAN 7826 CTO 45x 46x 47x 48x 49x 7827 CTO 4Cx 4Dx 7829 CTO 7853 CTO 7854 CTO 39x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 4Qx 4Rx 7856 CTO 3Gx System board assembly HM65 14W non docking non TPM AUO4 without wireless WAN 04W0481 e 7826 CTO 44x e 7827 CTO e 7829 CTO e 7853 CTO e 7854 CTO 3Jx 3Kx 3Qx 4Nx 4Tx e 7856 CTO 3Kx System board assembly HM65 AMD 1GB 14W non docking TPM AUO4 without wireless 04W0482 WAN e 7826 CTO 33x 35x 37x 38x 39x 3Ax 3Bx 3Cx 3Fx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 43x 7827 CTO 4Jx 4Mx 59x 5Kx 5Nx 5Yx 5Zx 62x 7829 CTO 4Bx 4Cx 4Dx 4Jx 4Px 4Vx 130 Hardware Maintenance Manual Table 9 Parts list Overall continuea ID 25 System board assembly HM65 integrated 15W Dock TPM AUO4 without wireless WAN 04W0384 N 5015 CTO 33x 36x 37x 38x 39x 3Bx 3Cx 5016 CTO 5Kx 5Px 5Rx 5Tx 5Vx 5Wx 5Xx 5Yx 62x 63x 64x 5017 CTO 4Px 5019 CTO 7859 CTO 4Hx 4Nx 4Px 4Wx 4Xx 55x 56x 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 3Dx 3Jx 3Nx 3Qx 3Rx 3Sx 04W0385 5015 CTO 5016 CTO
63. 43 44x 47x 48x 49x 4Ax 4Bx 4Gx 4Hx 4Jx 4Kx 4274911 41 4Mx 4Nx 4Px 40x ARx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Lx 5Qx 5Rx 5Sx 5Tx 5Vx 5Wx 5Xx 5Yx 5Zx 62x 66x 69x 7829 CTO 32x 33x 34x 42x 43x 44x 47x 48x 49x 4 4Bx 4Cx 4Dx 4 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 7853 CTO 7854 CTO 36x 37x 38x 3Rx 3Sx 3Tx 3Ux 3Wx 42x 43x 44x 45x 46x 47x 49x 4Ax 4 4Cx 4Dx 4Ex 4Fx 4Jx 4Kx 4Lx 4Mx 4Ux 4Vx 4Wx 4 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 7856 CTO 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Nx 3Px 3Qx 3Sx 3Vx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 5015 CTO 32x 33x 38x 39x 3Ax 3Bx 5016 CTO 32x 33x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4 4Ux 4 4Wx 4Xx 4 AZx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5 5Nx 5Qx 5Rx 5Sx 5Tx 5Vx 5Wx 5Xx 5Yx 62x 5017 CTO 32x 33x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 5019 CTO 7859 CTO 35x 36x 37x 38x 39x 3Bx 3Ux 3Wx 3Xx 3Yx 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Jx 4Kx 4Lx 4Mx 4Wx 4Xx 4Yx AZx 52x 53x
64. 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 5Tx 5Xx 5Zx 5017 CTO 32x 33x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 12 DVD RAM RW drive 04W1268 e 7826 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Ex 3Fx 3Gx 3Hx 04W1269 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 04W1270 43x 44x 45x 46x 47x 48x 49x 7827 CTO 32x 33x 34x 42x 43 44x 45x 46 47x 48x 49x 4 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 5Tx 5Vx 5Wx 5Xx 5Yx 5Zx 62x 69x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 7856 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 5019 CTO 7859 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42 43x 44 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 40x ARx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx AZx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx
65. 5Mx 5Nx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 3Dx 3Hx 3Jx 3Nx 3Px 3Rx 3Sx Thermal module with fan integrated for 14W Dock and 15W Dock 04W1463 Chapter 10 Parts list 123 Table 9 Parts list Overall continued FRU Overall CRU ID HER Thermal module with fan discrete for 14W Dock and 15W Dock 04W1464 IN Media Card Reader cable assembly 45M2870 Backup battery 92P1161 ThinkPad 11b g n Wireless LAN Mini PCI Express Adapter II 60Y3247 e 7826 CTO 34x 35x 36x 3Cx 3Dx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 60Y3249 3Ux 3Vx 3Wx 3Xx 3Yx 42x 43x 44x 45x 46x 47x 48x 49x 7827 CTO 32x 45x 46x 47x 48x 4Cx 4Dx 4Ex 4Fx 4Jx 4Lx 55x 56x 57x 58x 59x 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Rx 5Sx 5Yx 5Zx 62x 69x e 7829 CTO 32x 45x 46x 47x 48x 4Dx 4Ex 4Fx 4Lx 4Mx 4Tx 4Ux 4Yx 4Zx e 7853 CTO e 7854 CTO 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 45x 46x 47x 48x 4Ax 4Bx 4Dx 4Ex 4Fx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 5Ax 5Bx 5Ex 7856 CTO 37x 38x 39x 3Ax 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Qx 3Xx 42x 43x 44x 45x 4Ax 4Bx 5015 CTO 32x 33x 34x 35x e 5016 CTO 32x 4Ax 4Bx 4Cx 4Dx 4Fx 4Gx 4Hx 4Jx 5Cx 5Dx 5Ex 5Fx 5Gx 5H 5Jx 5Kx 5Nx 5Px 5Rx 5Tx e 5017 CTO 32x 4Px e 5019 CTO 7859 CTO 32x 33x 34x
66. 5Tx 5Ux 5Vx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx Chapter 10 Parts list 117 Table 9 Parts list Overall continued re FRU Overall DVD ROM drive 04W1271 7826 CTO 3Dx 7827 CTO 66x 67x 68x 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 38x 3Ax 5016 CTO 5Vx 5Wx 5Yx 62x 63x 64x 5017 CTO 5019 CTO 7859 CTO 7860 CTO Travel cover 04W0359 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO SATA hard disk drive 160 GB 7 200 rpm 60Y4805 7826 CTO 60Y4815 7827 CTO 75Y5121 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO 118 Hardware Maintenance Manual Table 9 Parts list Overall continuea SATA hard disk drive 160 GB 7 200 rom 7mmH 04W1290 7826 CTO 04W1293 7827 CTO 75Y5195 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO SATA hard disk drive 250 GB 5 400 rpm 41W0777 7826 CTO 3Zx 44x 41W0785 7827 CTO 52x 53x 55x 56x 58x 5Qx 5Sx 68x 69x 75Y5043 7829 CTO 75Y5033 7853 CTO 7854 CTO 3Qx 3Tx 3Ux 3Vx 3Wx 48x 4Jx 4Mx 7856 CTO 3Ex 3Fx 3Px 3Qx 3Rx 3Sx 3Tx 3Ux 3Vx 5015 CTO 36x 38x 39x 3Ax 3Cx 5016 CTO 58x 5Ax 5Cx 5Dx 5Ex 5Hx 5Rx 5Tx 5Xx 5Yx 64
67. Ax 5Bx 5Cx 5Ex 5Sx 7860 CTO 39x 3Ex 3Fx 3Gx 3Kx 3Px 3Qx 124 Hardware Maintenance Manual Table 9 Parts list Overall continuea Intel Centrino Wireless 1000 60Y3241 7826 CTO 3Zx 7827 5Vx 68x 7829 CTO 7853 CTO 7854 CTO 4 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Dx 7856 CTO 46x 47x 48x 5015 CTO 5016 CTO 5Qx 63x 64x 5017 CTO 4Mx 4Nx 5019 CTO 7859 CTO 52x 53x 54x 55x 56x 5Gx 5Hx 5Jx 5Tx 5Ux 5 5Wx 5Xx 5Yx 5Zx 62x 7860 CTO Intel Centrino Advanced N WiMAX 6250 MoW SKU 60Y3195 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 4Px 5Kx 5Lx 5Mx 5Nx 63x 64x 65x 66x 7860 CTO Intel Centrino Advanced N WiMAX 6250 Russia SKU 60Y3209 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Fx 5Gx 5Jx 5 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Tx 5Vx 5Xx 5Yx 5Zx 62x 66x 7829 CTO 32x 33x 34x 44x 46x 47x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Sx 4Tx 4Vx 4Wx 4Xx 4Yx 4Zx 7853 CTO 7854 CTO 34x 36x 37x 38x 39x 3Bx 3Cx 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3
68. Cx 5Ex 5Fx 5Hx 5Kx 5Lx 5Mx 5Nx 5Px 5Rx 5Sx 5Tx 5Wx 66x 67x 7829 CTO 32x 34x 43x 44x 48x 4Ax 4Bx 4Dx 4Lx 4Mx 4Rx 4Sx 4Ux 4Zx 7853 CTO 7854 CTO 34x 35x 36x 39x 3Ax 3Bx 3Xx 3Yx 42x 4Kx 4Ux 4Zx 52x 5Cx 7856 CTO 34x 35x 36x 3Yx 3Zx 44x 46x 5015 CTO 32x 33x 34x 35x 36x 37x 3Ax 3Bx 5016 CTO 32x 42x 43x 44x 48x 49x 4Ax 4Bx 4Cx 4Gx 4Hx 44 4Lx 4Sx 4Wx 47x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Mx 5Nx 5Px 5Sx 5Tx Chapter 10 Parts list 127 Table 9 Parts list Overall continuea FRU Overall E 5019 CTO e 7859 CTO 34x 35x 3Cx 3Dx 3Ex 3Zx 4Hx 4Kx 4Nx 4Px 4Wx 4Yx 59x 5Bx 5Cx e 7860 CTO 34x 35x 3Dx 3Nx 3Px 30x CPU assembly Intel Core i5 2540M Processor 2 60 GHz 04W0493 e 7826 CTO 37x 3Ax 3Sx e 7827 CTO 33x 42x 45x 46x 47x 4Lx 4Mx 4Rx 4Sx 4Tx 4Wx 4Xx 5Dx 5Gx 5Jx 5Qx 7829 CTO 33x 42x 45x 46x 47x 49x 4Jx 4Kx 4 4Tx 4Xx 4Yx 7853 CTO 7854 CTO 4Yx 7856 CTO 47x 48x 5015 CTO 5016 CTO 33x 45x 46x 47x 4Dx 4Ex 4Kx 4Px 4Qx 4Rx 4 AYx 55x 56x 57x 58x 5Qx 5Rx 5Zx 5017 CTO 33x 45x 46x 47x 4Fx 4Gx 4Hx 5019 CTO 7859 CTO 3Ax 3Bx 48x 49x 4Ax 4Bx 4Jx 5Ex 7860 CTO CPU assembly Intel Core i7 2620M Processor 2 70 GHz 04W0494 7826 CTO 39x 7827 CTO 4Cx 4Hx 4Kx 4Px 4 4Ux 4 5Ax 7829 CTO 4Ex 4Fx 4Gx 4Hx 4Nx 4Px 4Wx 7853 CTO 7854 CTO 4Xx 7856
69. D configuration information area The EEPROM checksum is not correct two short beeps 0190 Critical low battery error two short beeps 0191 System Security Invalid Remote Change requested Charge the battery pack 2 Battery pack Run BIOS Setup Utility and then save current setting by pressing F10 System board 0210 Change keyboard and restart the computer Stuck Key two short beeps 0211 Run interactive tests of the keyboard and the auxiliary Keyboard error input device two short beeps 0230 System board Shadow RAM error Shadow RAM fails at offset nnnn two short beeps 0231 1 DIMM System RAM error System RAM fails at offset nnnn 2 System board two short beeps 42 Hardware Maintenance Manual Table 2 Numeric error codes continued Symptom or error beeps if any FRU or action in sequence DIMM 2 System board 0232 Extended RAM error Extended RAM fails at offset nnnn two short beeps 0250 System battery error System battery is dead two short beeps 0251 System CMOS checksum bad Default configuration used two short beeps 0254 System NV7 Volume checksum bad Default configuration used two short beeps 0260 System timer error two short beeps 0270 Real time clock error two short beeps 0271 Date and time error Neither the date nor the time is set in the computer two short beeps 0280 Previous boot incomplete
70. Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Nx 4Px 4Rx 4Tx 4Ux 4Vx 4Wx 4Xx 52x 53x 54x 55x 56x 59x 5Cx 5Dx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Tx 5Ux 5Vx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 32x 35x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx ES Wireless LAN antenna set 15W 04W1726 Table 12 Parts list 15 6 inch HD LCD FRU 15 6 inch HD LCD ee A CUT Integrated camera with microphone 1M 04W0442 N 5015 CTO 04W0443 5016 CTO 45x 46x 47x 4Fx 4Gx 4Hx 4Kx 4Mx 4Nx 4Px 4Qx 4Tx 4Ux 4Vx 4Wx 04W0444 5Jx 5Kx 5Lx 04W0445 5017 CTO 45x 46x 47x 4Hx 4Jx 4Kx 4Lx 5019 CTO 7859 CTO 33x 34x 36x 39x 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Mx 30x 3Rx 3Zx 42x 45x 46x 49x 4 4Mx 40x 4Sx 4Yx AZx 57x 58x 5Ax 5Bx 5Ex 5Sx 7860 CTO 33x 34x 36x Microphone 60Y3329 N 5015 CTO 5016 CTO 5Zx 5017 CTO 5019 CTO 7859 CTO 7860 CTO s Wireless wanemasettsW orar Hinges 15W 04W1733 O E E LCD cover kit Texture 15W with logo silver 04w1723 N E EEE LCD cable HD Teflon 15W 04W1730 N 5015 CTO 5016 CTO 45x 46x 47x 4Fx 4Gx 4Hx 4Kx 4Mx 4Nx 4Px 4Qx 4Tx 4Ux 4Vx 4Wx 5Jx 5 5Lx 5Zx 5017 CTO 45x 46x 47x 4Hx 4Jx 4Kx 4Lx 5019 CTO 7859 CTO 33x 34x 36x 39x 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Mx 30x 3Rx 3Zx 42x 45x 46x 49x 4Ax 4Mx
71. IN Integrated camera with microphone 1M 5015 CTO 32x 33x 34x 35x 5016 CTO 33x 44x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Jx 4Lx 4Rx 4Sx 4Xx 4 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Bx 5Cx 5Gx 5Hx 5Mx 5Nx 5Px 5Qx 5Sx 62x 5017 CTO 33x 44x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Mx 4Nx 4Px 5019 CTO 7859 CTO 32x 35x 37x 38x 3Bx 3Kx 3Lx 3Nx 3Px 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 43x 44x 47x 48x 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Jx 4Kx 4Lx 4Rx 4Tx 4Ux 4Vx 4Wx 4Xx 52x 53x 54x 59x 5Cx 5Dx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Tx 5Ux 5Vx 63x 64x 65x 66x 7860 CTO 32x 35x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx Microphone Wireless WAN antenna set 15W 04W1727 Hinges 15W 04W1733 04W1734 5015 CTO 36x 37x 38x 39x 3Ax 3Bx 3Cx 5016 CTO 32x 42x 43x 48x 5Ax 5Dx 5Ex 5Fx 5RX 5Tx 5Vx 5Wx 5Xx 5Yx 63x 64x 5017 CTO 32x 42x 43x 48x 5019 CTO 7859 CTO 4Hx 4Nx 4Px 55x 56x 5Gx 5Hx 5Jx 5Wx 5Xx 5Yx 54 62x 7860 CTO LCD cover kit Texture 15W with logo silver Speaker assembly for 15W 60Y3334 LCD cable HD Teflon 15W 5015 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 5016 CTO 32x 33x 42x 43x 44x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Jx 4Lx 4Rx 4Sx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex 5Fx 5Gx 5Hx 5Mx 5Nx 5Px 5Qx
72. If you have a Supplemental Recovery Disc insert it when prompted and click Yes If you do not have a Supplemental Recovery Disc click No 9 When all of the data has been copied from the last disc in the set and has been processed remove the disc and restart the computer Note The rest of the recovery process is fully automated and no action is required by you The computer will restart into the Microsoft Windows desktop several times and you might experience periods when no activity is apparent on the screen for several minutes at a time This is normal 10 When the recovery process is complete the Set Up Windows screen is displayed Follow the instructions on the screen to complete the Windows setup 11 After you have completed the Windows setup you might want to restore the original startup sequence Start the Setup Utility program and then press F9 to restore the default settings Press F10 to save and exit the Setup Utility Note After restoring a hard disk drive to the factory default settings you might need to reinstall some device drivers Passwords As many as three passwords may be needed for any ThinkPad Notebook the power on password POP the hard disk password HDP and the supervisor password SVP If any of these passwords has been set a prompt for it appears on the screen whenever the computer is turned on The computer does not start until the password is entered Note If only an SVP is installed the pass
73. O The PRODUCT ID portion of the machine label is the 4 digit MT and 3 digit CMV model Example 1829 W15 The PEW record is the 4 digit MT and 3 digit model where model CTO Example 1829 CTO e eSupport will show both the CTO and CMV machine type models Example 1829 CTO and 1829 W15 will be found on the eSupport site 26 Hardware Maintenance Manual The HMM will have the 4 digit MT and 3 digit CTO model only Example 1829 CTO Again CMVs are custom models and are not found in the HMM General Announce Variant GAV This is a standard model fixed configuration GAVs are announced and offered to all customers The MTM portion of the machine label is a 4 digit MT and 3 digit model where model a fixed part number not CTO Example 1829 F1U Also PEW eSupport and the HMM will list these products under the same fixed model number FRU identification for CTO CMV and GAV products There are three information resources to identify which FRUs are used to support CTO CMV and GAV products These sources are PEW eSupport and the HMM Using PEW e PEW is the primary source for identifying FRU part numbers and FRU descriptions for the key commodities for CTO CMV and GAV products at a MT serial number level An example of key commodities are hard disk drives system boards microprocessors Liquid Crystal Displays LCDs and memory e Remember all CTO and CMV products are loaded in PEW under the 4
74. Pad 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 Consider these conditions and the safety hazards they present e Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock e Explosive hazards such as a damaged CRT face or a bulging capacitor e Mechanical hazards such as loose or missing hardware To determine whether there are any potentially unsafe conditions use the following checklist at the beginning of every service task Begin the checks with the power off and the power cord disconnected Checklist 1 Check exterior covers for damage loose broken or sharp edges 2 Power off the computer Disconnect the power cord 3 Check the power cord for a A third wire ground connector in good condition Use a meter to measure third wire ground continuity for 0 1 ohm or less between the external ground pin and the frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn 4 Check for cracked or bulging batteries 5 Remove the cover 6 Check for any obvious non ThinkPad alterations Use good judgment as to the safety of any non ThinkPad alterations 7 Check inside the unit for any obvious unsafe conditions such as metal filings
75. Px 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 5Ax 5Bx 5Gx 5Hx 5Jx 5Sx 5Tx 5Ux 5Vx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Nx 8 Keyboard see Keyboard on page 137 E ac power adapter see ac power adapters on page 140 7 7 7 2 2 2 2 LCD FRUs In ThinkPad L420 L421 and L520 there are following types of LCDs e 14 0 inch HD LED backlight LCD Table 10 Parts list 14 0 inch HD LCD on page 134 e 15 6 inch HD LED backlight LCD Table 11 Parts list 15 6 inch HD LCD on page 135 e 15 6 inch HDx LED backlight LCD Table 12 Parts list 15 6 inch HD LCD on page 136 132 Hardware Maintenance Manual 133 Chapter 10 Parts list 50 Table 10 Parts list 14 0 inch HD LCD 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Tx 4Ux 4 4Wx 4Xx 4Yx 4Zx 53x 54x 57x 7853 CTO m FRU 14 0 inch HD LCD 58x 59x 5Ax 5Bx 5 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5 5Rx 5Tx 5Vx 5Xx 7854 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx Integrated camera with microphone 1M 04W0442 N e 7826 CTO 32x 33x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 04W0443 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Wx 3Xx 3Yx 42x 43x 04W0444 44x 45x 46x 47x 48x
76. RU make sure that the model of the machine and the FRU part number are correct by referring to the FRU parts list A FRU should not be replaced because of a single unreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing a FRU only when a problem recurs If you suspect that a FRU is defective clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU What to do first When you do return a FRU you must include the following information in the parts exchange form or parts return form that you attach to it Name and phone number of service technician Date of service Date on which the machine failed Date of purchase Failure symptoms error codes appearing on the display and beep symptoms Procedure index and page number in which the failing FRU was detected Failing FRU name and part number Machine type model number and serial number Customer s name and address NO Note During the warranty period the customer may be responsible for repair costs if the computer damage was caused by misuse accident modification unsuitable physical or operating environment or improper maintenance by the customer Following is a list of some common items that are not covered under warrant
77. TO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Ericsson F5521gw Wireless WAN card 60Y3279 7826 CTO 32x 7827 CTO 4Ax 4Bx 4Gx 7829 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Ericsson F5521gw Wireless WAN card for Malaysia SKU 60Y3267 7826 CTO 7827 CTO 4Tx 4Ux 4Vx 4Wx 4Xx 4Yx 5Ax 5Bx 7829 CTO 4Wx 4Xx 7853 CTO 7854 CTO 42x 43x 4Ux 5Ax 5Cx 7856 CTO 5015 CTO 5016 CTO 4Nx 4Px 4Tx 4Xx 4Yx 4Zx 5Lx 5Mx 5017 CTO 4Kx 4Lx 5019 CTO 7859 CTO 44x 45x 48x 49x 4Yx 59x 5Dx 5Ex 5Qx 7860 CTO 122 Hardware Maintenance Manual Table 9 Parts list Overall continuea ID 17 Huawei EM660 Wireless WAN card 60Y3239 e 7826 CTO e 7827 CTO e 7829 CTO e 7853 CTO e 7854 e 7856 CTO e 5015 34x e 5016 CTO e 5017 CTO e 5019 CTO e 7859 CTO e 7860 CTO 17 8 mSATA solid state drive 80GB 45N8259 e 7826 CTO 33x 34x 35x 36x 37x 38x 39x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 42x 43x 44x 45x 46x 47x 48x 49x 7827 CTO 4Cx 4Dx 4Jx 4Kx 4Lx 4Mx 59x 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Sx 5Yx 62x 7829 4Bx 4Cx 4Dx 4Hx 4Jx 4Nx 4Px 4Vx 4Zx 7853 CTO 7854 CTO 39x 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Px 30x 3Ux 3Vx 3Wx 3Xx 47x 48x 49x 4Ax 4 4Cx 4D
78. ThinkPad Hardware Maintenance Manual ThinkPad L420 L421 and L520 Note Before using this information and the product it supports be sure to read the general information under Appendix A Notices on page 151 Fourth Edition August 2011 O Copyright Lenovo 2011 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software is delivered pursuant a General Services Administration GSA contract use reproduction or disclosure is subject to restrictions set forth in Contract No GS 35F 05925 Contents About this manual Chapter 1 Safety information General safety Electrical safety Safety inspection guide Handling devices that are sensitive to dlecttosfatic discharge Grounding requirements Safety notices multilingual tansion Laser compliance statement multilingual translations Chapter 2 Important service information Strategy for replacing FRUS Strategy for replacing a hard disk dili Important notice replacing a system board How to use error message a for FRUS for CTO CMV rd GAV Prodi t definition FRU identification for CTO CMV and GAV products Chapter 3 General checkout What to do first Checkout guide Diagnostics using PC ior DOS Lenovo ThinkVantage Toolbox FRU tests Power system checkout Checking the ac power adapter Checking operational charging Checking the battery pack Checking the backup battery
79. Zx 42x 43x 44x 45x 46x 47x 48x 49x 4 4Bx 4Cx 4Dx 4 4Fx 4Gx 4Jx 4Kx 4Lx 4 4Nx 4Px 4 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Dx 5Ex Bluetooth daughter card BDC 3 0 60Y3271 N e 7826 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 60Y3275 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 42x 43x 44x 45x 46x 47x 48x 49x 7827 CTO 32x 33x 34x 44x 46x 47x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx Chapter 10 Parts list 125 Table 9 Parts list Overall continuea FRU Overall CRU ID 7856 CTO 34x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 5015 CTO 32x 33x 34x 35x 36x 37x 3Bx e 5016 CTO 32x 33x 44x 47x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 40x 4Rx 4Sx 4Tx 4Ux 4 4Wx 4Xx 4Yx AZx 52x 53x 54x 55x 56x 57x 58x 59x 5Ax 5Bx 5Cx 5Ex 5Fx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 5Vx 5Wx 5Xx 5Yx 62x 5017 CTO 32x 33x 44x 47x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px e 5019 CTO 7859 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx
80. a evitar choque el trico n o remova a capa pl stica que protege a parte inferior da placa inversora PERIGO Embora as principais baterias possuam baixa voltagem uma bateria em curto circuito ou aterrada pode produzir corrente o bastante para queimar materiais de pessoal ou inflam veis A PERIGO A menos que uma hot swap seja permitida para a FRU que est sendo substitu da faca o seguinte antes de remov la desligue o computador desconecte todos os cabos de energia das tomadas remova o pacote de baterias e desconecte quaisquer cabos de interconex o A DANGER 8 Hardware Maintenance Manual Avant de remettre l ordinateur sous tension apr s remplacement d une unit en client le v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pi ces m talliques ou des copeaux de m tal pourraient causer un court circuit A DANGER Certaines batteries de secours contiennent du nickel et du cadmium Ne les d montez pas ne les rechargez pas ne les exposez ni au feu ni l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate Une batterie ou une pile inapprop
81. ain menu select 1 Set System Identification 3 Select 2 Read S N data from EEPROM The serial number of each device in your computer is displayed the serial number of the system unit is listed as follows e 20 Serial number Write down that number Note The serial number of the system unit is also written on the label attached to the bottom of the computer After you have replaced the system board restore the serial 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 ID numbers differ from each other on the rear label use what is shown for the Product ID field See example below MTM on rear label TTTT CTO S N SSSSSSS Product ID on rear label Use this number when setting Serial Number In the example the Serial Number to be input is 1STTTTMMMSSSSSSS Retaining the The Universally Unique Identifier UUID is a 128 bit number uniquely assigned to your computer at production and stored in the EEPROM of your system board 54 Hardware Maintenance Manual The algorithm that generates the number is designed to provide unique IDs until the year A D 3400 No two computers in the world have the same number When you replace the system board you must se
82. ain the following types of CRUs Self service CRUs These CRUs unplug or are held by no more than two screws Examples of these types of CRUs include the ac power adapter power cord battery and hard disk drive Other Self service CRUs depending on product design may include the memory module wireless card keyboard and palm rest with finger print reader and touchpad Optional service CRUs These CRUs are isolated parts within the computer that are concealed by an access panel that is typically secured by more than two screws Once the access panel is removed the specific CRU is visible Copyright Lenovo 2011 111 e FRUs marked with available as options Overall NOR 4 1 N W y f NONO WY 29 28 112 Hardware Maintenance Manual Table 9 Parts list Overall FRU Overall CRU ID LCD unit see LCD FRUs on page 132 Keyboard bezel assembly for 14W 04W1813 N Keyboard bezel assembly for 15W 04W1814 Top shielding assembly for 14W Dock 04W1766 shielding assembly for 15W Dock 04W1767 N 1 GB DDR3 1333 SDRAM SO DIMM PC3 10600 card 55Y3715 7826 CTO 32x 33x 7827 CTO 4Ax 4Bx 4Gx 7829 CTO 4Bx 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 32x 42x 43x 48x 49x 4Ex 5017 CTO 32x 42x 43x 48x 49x 4Ax 5019 CTO 7859 CTO 4Qx 4Rx 4Sx 4Tx 4Ux 4Vx 7860 CTO 39x 2 GB DDR3 1333 SDRAM SO DIMM PC3 10600 card 55Y3716
83. any physical shock to the computer while the test is running Diagnostics gt ThinkPad Devices gt AC Adapter gt Battery 1 Battery 2 LCD unit 1 Diagnostics gt Video Adapter 2 Interactive Tests gt Video Audio Enter the BIOS Setup Utility and change Serial ATA SATA setting to Compatibility and run Diagnostics gt Other Device gt Codec Test Speaker Interactive Tests gt Internal Speaker Note Once Audio test is done the no sound is heard this test In this case turn off and turn on the computer Then run this test again Keyboard 1 Diagnostics gt Systemboard gt Keyboard 2 Interactive Tests gt Keyboard Hard disk drive or solid state Enter the BIOS Setup Utility and change Serial ATA SATA setting to Compatibility drive and run Diagnostics gt Fixed Disks Diskette drive 1 Diagnostics gt Diskette Drives 2 Interactive Tests gt Diskette Chapter 3 General checkout 33 Table 1 FRU tests continuea Optical drive Diagnostics gt Other Devices gt Optical Drive Interactive Tests gt Optical Drive Test Memory If two DIMMs are installed remove one of them and run Diagnostics gt Advanced Memory Tests If the problem does not recur return the DIMM to its place remove the other one and run the test again TrackPoint or pointing If the TrackPoint does not work check the configuration as specified in the BIOS Setup device Utility If the TrackPoint is disabled select Automatic to enable it
84. ator does not turn on If the voltage 15 still less than 11 0 V after recharging replace the battery 4 Ifthe voltage is more than 11 0 V dc measure the resistance between battery terminals 5 and 7 The resistance must be 4 to 30 K Q If the resistance is not correct replace the battery pack If the resistance is correct replace the system board Checking the backup battery Do the following 1 Power off the computer and unplug the ac power adapter from it Turn the computer upside down Remove the battery pack see 1010 Battery pack on page 57 Remove the backup battery see 1140 Backup battery on page 78 q A N Measure the voltage of the backup battery See the following figure Red wire 1 Pres 2 5 to 3 2 e If the voltage is correct replace the system board e f the voltage is not correct replace the backup battery e f the backup battery discharges quickly after replacement replace the system board 36 Hardware Maintenance Manual Chapter 4 Related service information This chapter presents following information e Restoring the factory contents by using Recovery Disc Set on page 37 e Passwords on page 38 e Power management on page 40 e Symptom to FRU index on page 41 Service Web site When the latest maintenance diskette and the system program service diskette become available they will be posted on http support
85. attery pack If the charge indicator or icon still does not turn on replace the battery pack If the charge indicator still does not turn on replace the system board Then reinstall the battery pack If it is still not charged go to the next section Checking the battery pack Battery charging does not start until the Power Manager Battery Gauge shows that less than 96 of the total power remains under this condition the battery pack can charge to 100 of its capacity This protects the battery pack from being overcharged or from having a shortened life To check your battery move your cursor to the Power Manager Battery Gauge icon in the icon tray of the Windows taskbar and wait for a moment but do not click and the percentage of battery power remaining is displayed To get detailed information about the battery double click the Power Manager Battery Gauge icon Note If the battery pack becomes hot it may not be able to charge Remove it from the computer and leave it at room temperature for a while After it cools down 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 the following figure Chapter 3 General checkout 35 Varage Wa sem 3 If the voltage is less than 11 0 V dc the battery pack has been discharged Note Recharging will take at least 3 hours even if the indic
86. ature 802 11 standard or 802 11n is on and the radio link is ready for use Blinking green Data is being transmitted Green Bluetooth wireless is on and the radio link is ready for use Blinking green Data is being transmitted 47 Table 6 Status indicators continuea Device access Data is being read from or written to the hard disk drive When this indicator is on do not put the computer into sleep standby mode or turn off the computer GS Note Do not move the computer while this indicator is on Sudden physical shock could cause drive errors Caps lock Caps Lock mode is enabled Sleep Standby Green The computer is in sleep standby mode status Blinking green The computer is entering sleep standby mode or hibernation mode or is resuming normal operation Battery status Green The battery is charged between 80 to 100 of the capacity and being discharged between 0 to 80 of the capacity Blinking green The battery is charged between 20 to 80 of the capacity and being charged When the battery reaches 80 charge blinking stops but the charging might continue until the battery is 100 charged Orange The battery is charged between 5 and 20 of the capacity and being discharged Blinking orange slow The battery is charged between 5 to 20 of the capacity and being charged When it reaches 20 the blinking color changes to green Blinking orange The battery is charged between 0 to 5
87. bajo una bater a cortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal Bes 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 alimentaci n de las tomas de alimentaci n el ctrica extraiga la bater a y desconecte los cables de interconexi n FRU N TERRA en ARSS 25 ESE gt Pj p o S BS 6 SUR ee ee BI SRI SOS S EE Ed RADA SA DERE RE ERAS HS FR BO E RANE SE B RETE BSS DN sm PESAN gt E RB EE RAKKA VERE AS RT RE EMEA IRI E PERS lt EXE Men 16 Hardware Maintenance Manual EUS SMX FER gt S827 83 JO ARERIA H gt 100 C 212 F SE gt RE HA SEALE IRE E E o READ EA SAY RECETA BX BIR gt LCD LCD AER AEREAS AALEN GA An dai 15 5338 AIR TET LR RRA AUTRE Ajo Di FR PAS ESAT HA ERE MEE A P el
88. com ion Strategy for replacing FRUs Before replacing parts Make sure that all software fixes drivers and BIOS downloads are installed before replacing any FRUs listed in this manual After a system board is replaced ensure that the latest BIOS is loaded to the system board before completing the service action To download software fixes drivers and BIOS do as follows 1 Go to http support lenovo com 2 Enter the product number of the computer or press Auto detect button on the screen 3 Select Downloads amp Drivers 4 Follow the directions on the screen and install the necessary software Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs e f you are instructed to replace a FRU but the replacement does not correct the problem reinstall the original FRU before you continue e Some computers have both a processor board and a system board If you are instructed to replace either the processor board or the system board and replacing one of them does not correct the problem reinstall that board and then replace the other one e f an adapter or a device consists of more than one FRU any of the FRUs may be the cause of the error Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change Replace only the FRU that changed the symptoms Attention The setup configuration on the computer you are servicing may have been customized Running
89. continuea Fn ScrLk Enable or disable the numeric keypad The indicator of numeric lock will be displayed on the screen Fn Pause Have the same function as the Break key Fn cursor keys These key combinations are for use with Windows Media Player They have the following functions e Fn down arrow key Play or Pause e Fn up arrow key Stop e Fn right arrow key Next Track e Fn left arrow key Previous Track Chapter 6 Fn key combinations 51 52 Hardware Maintenance Manual Chapter 7 FRU replacement notices This chapter presents notices related to removing and replacing parts Read this chapter carefully before replacing any FRU Screw notices Loose screws can cause a reliability problem In the ThinkPad Notebook this problem is addressed with special nylon coated screws that have the following characteristics They maintain tight connections They do not easily come loose even with shock or vibration They are harder to tighten e e e e Each one should be used only once Do the following when you service this machine Keep the screw kit for the P N see Miscellaneous parts on page 138 in your tool bag e Always use new screws Usea torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part 90 degrees more Cross section Logic card to
90. d Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad Notebook Note The diagnostic tests are intended to test only ThinkPad products The use of non ThinkPad products prototype cards or modified options can lead to false indications of errors and invalid system responses 1 Identify the failing symptoms in as much detail as possible 2 Verify the symptoms Try to re create the failure by running the diagnostic test or by repeating the operation Diagnostics using PC Doctor for DOS 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 15 available at the following Web site http support lenovo com 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 BIOS Setup Utility before you run PC Doctor To enter BIOS Setup Utility do as follows 1 Turn on the computer 2 When the ThinkPad logo comes up immediately press F1 to enter the BIOS Setup Utility Note If a supervisor password has been set by the customer BIOS Setup Utility menu appears after the password is entered You can start the BIOS Setup Utility by pressing Enter instead of e
91. d 4275044 4275129 e models CTO xxG Taiwan 4275071 4275156 e models CTO xxV U K China Hong Kong S A R 4275035 4275120 e models CTO xxB xxG xxH Recovery discs Windows XP Professional DVDs Windows XP Professional is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Chapter 10 Parts list 141 Table 20 Parts list Windows XP Professional recovery DVDs ID Windows XP Professional Generic DVDs Windows XP Professional Generic is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 21 Parts list Windows XP Professional Generic recovery DVDs Brazilian Portuguese Danish Finnish Hungarian Hong Kong 03W7485 Korean 03W7489 Norwegian 03W7491 Polish 03W7492 Portuguese 03W7493 Russian 03W7494 Spanish 03W7495 Swedish 03W7496 Traditional Chinese 03W7478 Turkish 03W7497 142 Hardware Maintenance Manual Windows Vista Business 32 bit DVDs Windows Vista Business 32 bit is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 22 Parts list Windows Vista Business 32 bit recovery DVDs Lang
92. de protection that meets the specific service requirement Note The use of a grounding system to guard against ESD damage is desirable but not necessary Attach the ESD ground clip to any frame ground ground braid or green wire ground When working on a double insulated or battery operated system use an ESD common ground reference point You can use coax or connector outside shells on these systems Use the round ground prong of the ac plug on ac operated computers Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function Proper grounding of the electrical outlet can be verified by a certified electrician Safety notices multilingual translations The safety notices in this section are provided in the following languages English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese A DANGER Before the computer is powered on after FRU replacement make sure that all screws springs and other small parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits A DANGER 4 Hardware Maintenance Manual 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
93. e low voltage a short circuited or grounded battery can produce enough current to burn personnel or combustible materials Chapter 1 Safety information 5 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 Hardware Maintenance Manual O QS ale 2 FRU dial ol gt des la ts Bale 03 dall eA all ay el y Las 5 pill 1 eI Case qual y gli Ala ay clus Cs sua Y eli Y ja Gh je di ill y Jl ll 3 GUM 45189 gag 032 Y agal g JS cpa Aus A daba I Gly g giai copi Y shall of JUN Uae lilly Lag Y y Arola Ay li gad Sale 4 cl s Cail gl AA ga gh Las Ay aliii a lga 8 pila Cuban ES giga age Allg daal gi aiiu La tail gl gai ua ye es JUN 41658 p s Y Bala 5 4346 s cg giai gh Lal G y Ay ja gal ly a bila sal cpu Y y Lal gl asa ll El 90 placa Ay deja sie cad cuil gill queda ga 1 244 ua ye Ayla Eg plait 3 dun lali ll pii Y 554 gs ga gf gf ga pi ys dd 16453 LaS glad Y y tes gal ia ba
94. e machine type of the ECA is assumed be the same as the machine type of the machine that had the ECA applied to it 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 write ECA information select 1 Write ECA rework number from EEPROM and follow the instruction 4 To write box build date select 4 Write box build date from EEPROM and follow the instruction on the screen If the system board is being replaced try to read the ECA information from the old system board and transfer the information to the new system If the system board is inoperable this will not be possible Chapter 7 FRU replacement notices 55 56 Hardware Maintenance Manual Chapter 8 Removing and replacing a FRU This chapter presents directions and drawings for use in removing and replacing a FRU Be sure to observe the following general rules 1 Do not try to service any computer unless you have been trained and certified An untrained person runs the risk of damaging parts 2 Before replacing any FRU review Chapter 7 FRU replacement notices on page 53 3 Begin by removing any FRUs that have to be removed before replacing the failing FRU Such FRUs are listed in each FRU replacement section Remove them in the order in which they are listed 4 Follow the correct sequence in the steps for removing a FRU as given in the drawin
95. edia or a network drive before you start the recovery process To restore the computer to the original factory configuration using the recovery disc set do the following Note Recovery can take one to two hours to complete The length of time depends on the method you use If you use recovery discs the recovery process will take about two hours 1 Make the CD DVD drive the first startup device in the startup sequence using the following procedure a Press and hold down the F1 key and then turn on the computer When the logo screen is displayed or if you hear repeating beeps release the F1 key The Setup Utility program opens b Use the arrow keys to select Startup gt Boot Select the CD DVD drive as the 1st Boot Device 2 Insert the Operating System Recovery Disc into the DVD drive O Copyright Lenovo 2011 37 3 Press F10 to save the Setup Utility configuration changes Follow the instructions on the screen to begin the recovery process 4 Select your language and click Next 5 Read the license If you agree with the terms and conditions select accept these terms and conditions and then click Next If you do not agree with the terms and conditions follow the instructions on the screen 6 Click Yes in the displayed window to begin the operating system recovery process 7 Insert the Applications and Drivers Recovery Disc when prompted and then click OK to begin the applications and drivers recovery process 8
96. emoval steps of hinges LCD panel LCD cable and LCD rear cover assembly For ThinkPad L520 models Chapter 8 Removing and replacing a FRU 105 Screw quantity Torque M2 x 5 mm flat head nylon coated 4 Black 0 181 Nm 1 85 kgfem Screw quantity M2 x 5 mm flat head nylon coated 2 Torque 0 181 Nm 1 85 kgfem 106 Hardware Maintenance Manual Step Screw quantity Torque H M2 x 3 mm flat head nylon coated 4 Black 0 181 Nm 1 85 kgfcm When installing Make sure that the LCD connector is attached firmly Chapter 8 Removing and replacing a FRU 107 108 Hardware Maintenance Manual Chapter 9 Locations This chapter presents the locations of ThinkPad 1420 1421 and L520 hardware components Front view 16 E Integrated camera Wireless radio switch E Built in microphone Power status indicators El Built in stereo speakers Fingerprint reader for some models EX Power switch Touch pad buttons H ac power connector Touch pad i ThinkVantage button TrackPoint buttons System status indicators Ell TrackPoint pointing stick El Optical drive second battery or travel cover UltraNav El Media Card reader EE Volume control buttons USB connectors 1 For the description of each power status indicator see Chapter 5 Status indicators on page 47 2 For the description of each system status indicator see Chapter 5 Status indicators on page 47 O Copyright Lenovo 2011 109
97. er 8 Removing and replacing a FRU 59 1030 Optical drive or travel cover For access remove this FRU e 1010 Battery pack on page 57 Removal steps of optical drive or travel cover Screw quantity M2 x 8 mm flat head nylon coated 1 0 181 Nm 1 85 60 Hardware Maintenance Manual 1040 Thermal cover For access remove this FRU e 1010 Battery pack on page 57 Removal steps of thermal cover Note Loosen the screws E but do not remove them Chapter 8 Removing and replacing a FRU 61 Attention Do not touch or apply any excessive force to the fan motor located in the slot It might cause damage to the fan assembly or might cause the computer to malfunction 1050 Hard disk drive or solid state drive assembly For access remove these FRUs in order e 1010 Battery pack on page 57 e 1040 Thermal cover on page 61 Attention e Do not drop the drive or apply any physical shock to it The drive is sensitive to physical shock Improper handling can cause damage and permanent loss of data e Before removing the drive have the user make a backup copy of all the information on it if possible e Never remove the drive while the computer is operating or is in suspend mode Removal steps of HDD or SSD assembly 62 Hardware Maintenance Manual When installing Make sure that the HDD or SSD connector is attached firmly When installing Do not apply excessive
98. er Manager Fn F5 Enable or disable the built in wireless networking features and the Bluetooth features If you press Fn F5 a list of wireless features is displayed You can quickly change the power state of each feature in the list Notes If you want to use Fn F5 to enable the feature specified in IEEE standard 802 11 the following device drivers must be installed on the computer beforehand e ThinkPad Power Management driver e OnScreen Display Utility e Wireless device drivers Fn F6 Change the camera settings and the setting of the microphone mute button When you press Fn F6 the camera setting window is opened Note For Windows XP models the setting of the microphone mute button cannot be changed O Copyright Lenovo 2011 49 Table 7 Fn key combinations continued Apply a presentation scheme directly with no need to start Presentation Director To disable this function and use the Fn F7 key combination for switching a display output location start Presentation Director and change the settings Note If the computer is a Windows 7 model it does not support presentation schemes but the Fn F7 combination is available for switching a display output location For Windows 7 Switch between the computer display and an external monitor Windows will show these display options e Computer display only LCD e Computer display and external monitor same image e Computer display and external monitor extended desktop
99. erating correctly See Power system checkout on page 34 1 Turn off the computer 2 Visually check each FRU for damage Replace any damaged FRU 3 Remove or disconnect all of the following devices a Non ThinkPad devices b Devices attached to the docking station or the port replicator c Printer mouse and other external devices Chapter 4 Related service information 45 Battery pack Hard disk drive External diskette drive or optical drive DIMM Optical disk or diskette in the internal drive PC Cards Turn on the computer Determine whether the problem has been solved If the problem does not recur reconnect the removed devices one at a time until you find the failing FRU If the problem remains replace the following FRUs one at a time do not replace a nondefective FRU a System board b LCD assembly Fa NOOO 46 Hardware Maintenance Manual Chapter 5 Status indicators This chapter presents the system status indicators that show the status of the computer Table 6 Status indicators Numeric lock Power on Wireless LAN WAN WiMAX status Bluetooth wireless status O Copyright Lenovo 2011 By default when the numeric lock is on the indicator is displayed on the screen Green The computer is on and ready to use The power switch stays lit whenever the computer is on and is not lit when the computer is in sleep standby mode Green The wireless fe
100. fective A battery pack FRU should not be replaced unless this diagnostic shows that the battery is defective The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue e f Lenovo ThinkVantage Toolbox is not installed in the computer the customer should download this program before a non physically damaged battery pack is replaced Note that a physically damaged battery pack is a non warranty replacement part Removal steps of battery pack y ee Use only the battery specified in the parts list for your computer Any other battery could ignite or explode O Copyright Lenovo 2011 57 Unlock the battery latch Holding the battery lock lever in the unlocked position remove the battery pack in the direction shown by arrow EL When installing Install the battery pack along the slide rails of the slot Make sure that the battery release lever is in the locked position 1020 ExpressCard blank bezel and Media Card blank bezel Removal steps of ExpressCard blank bezel When you press the ExpressCard blank bezel it pops out EX 58 Hardware Maintenance Manual When installing Make sure that the bezel is correctly oriented as shown in the following figure Removal steps of Media Card blank bezel When you press the Media Card blank bezel it pops out EX When installing Make sure that the bezel is correctly oriented as shown in the following figure Chapt
101. ga of dl a Bale vaya 9 yl 444454 Y Y YI daa dre ASY Y ya 3 Lal y Ay Ga Galil 28 hall Les 3334 Aa Aul qua gy y Stovall Lo egi Aia Sail gill yl Lg Mail I panne Ay 63 28 Jall els tal Jill ue Y y LCD ALS E pusit La 13 Mate calla Jail al cg carey La IN Aids 10 ye di Y shally 08 81 e ja gps GU Si ATI a Y ela 6 will iail ly Ua aii d 43 Y agen Lg 23553 Gp ly Of oll de SU da dy ab La llo gi pl ill ol dun all Jai ALL at gall gal 3521 yy aia og all FRU GN ogy sill paul Ala SII all A DI cala ly Le Alicia EAS gl Danis of ai dy Aa ja La 4 A PERIGO Antes de ligar o computador ap s a substituic o da FRU certifique se de que todos os parafusos molas e outras pecas pequenas estejam no lugar e n o estejam soltos dentro do computador Verifique isso sacudindo o computador e procurando ouvir sons de pecas soltas Pecas met licas ou lascas de metal podem causar curto circuito A PERIGO Algumas baterias reserva cont m uma pequena quantidade de n quel e c dmio N o desmonte uma bateria reserva recarregue a jogue a no fogo ou na gua
102. gs by the numbers in square callouts 5 When turning a screw to replace a FRU turn it in the direction as given by the arrow in the drawing 6 When removing a FRU move it in the direction as given by the arrow in the drawing 7 To put the new FRU in place reverse the removal procedure and follow any notes that pertain to replacement For information about connecting and arranging internal cables see Chapter 9 Locations on page 109 8 When replacing a FRU use the correct screw s as shown in the procedures vw Before removing any FRU turn off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Attention After replacing a FRU do not turn on the computer until you have made sure that all screws springs and other small parts are in place and none are loose inside the computer Verify this by shaking the computer gently and listening for rattling sounds Metallic parts or metal flakes can cause electrical short circuits Attention The system board is sensitive to and can be damaged by electrostatic discharge Before touching it establish personal grounding by touching a ground point with one hand or by using an electrostatic discharge ESD strap P N 6405959 1010 Battery pack Important notice for replacing a battery pack Lenovo ThinkVantage Toolbox has an automatic battery diagnostic that determines if the battery pack is de
103. gua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma Las bater as contienen peque as cantidades de n quel No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilice s lo bater as que se encuentren en la lista de piezas al sustituir la bater a La utilizaci n de una bater a no apropiada puede provocar la ignici n o explosi n de la misma La bateria de repuesto es una bateria de litio y puede provocar incendios explosiones o quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni caliente por encima de los 100 C 212 F ni la incinere ni exponga el contenido de sus celdas al agua Des chela tal como dispone la normativa local Chapter 1 Safety information 15 Si la LCD se rompe y el fluido de su interior entra en contacto con sus ojos o sus manos lave inmediatamente las reas afectadas con agua durante 15 minutos como m nimo Obtenga atenci n medica si se presenta alg n s ntoma del fluido despues de lavarse y Para evitar descargas no quite la cubierta de pl stico que rodea la parte baja de la tarjeta invertida Aunque las bater as principales tienen un voltaje
104. h a Euro symbol 45N2313 45N2383 45N2453 Miscellaneous parts Table 14 Parts list Miscellaneous parts CRU ID N Screw kit including nylon coated screws 60Y4343 e M2x 2 mm silver flat head 1 e M2x 3 mm black flat head 43 M2 x 5 mm black flat head 48 M2 x 6 mm black flat head 2 M2 x 8 mm black flat head 2 M2 5 x 6 5 mm black flat head 8 M3 x 3 5 mm silver flat head 4 Seal kit 60Y4344 e Tape for LCD cable large e Tape S cable fix e Tape L cable fix e Screw cap thin e Screw cap square Docking connector cover 04W1465 Table 15 Parts list Miscellaneous parts e Rubber foot front Rubber foot rear e LCD latch knob LCD latch Latch link wire LCD latch spring Wireless radio switch knob Wireless radio switch latch Security keyhole bracket EMI spring optical drive EMI spring HDD front 138 Hardware Maintenance Manual Table 15 Parts list Miscellaneous parts continued EMI spring HDD rear Gasket long Gasket short HDD guide front HDD rubber rail front HDD guide rear HDD rubber rail rear LCD latch rubber Pad battery Sponge large Sponge small Cap for Mg System miscellaneous parts e Expansion slot cover e HDD cover e O sub bracket e Connector cap e Optical drive bracket Note ltalicized letters in parentheses are references to the exploded view in Overall on page 112 System board miscellaneous
105. he SVP in order to get access to the BIOS Setup Utility and change the system configuration Attention If the SVP has been forgotten and cannot be made available to the service technician there is no service procedure to reset the password The system board must be replaced for a scheduled fee How to remove the power on password To remove a POP that you have forgotten do the following A If no SVP has been set 1 Turn off the computer 2 Remove the battery pack For how to remove the battery pack see 1010 Battery pack on page 57 3 Remove the backup battery For how to remove the backup battery see 1140 Backup battery on page 78 4 Turn on the computer and wait until the POST ends After the POST ends the password prompt does not appear The POP has been removed 5 Reinstall the backup battery and the battery pack B If an SVP has been set and is known by the service technician 1 Turn on the computer 2 When the ThinkPad logo comes up immediately press F1 to enter BIOS Setup Utility For models supporting the Passphrase function press F1 while the POP icon is appearing on the screen then enter the POP For the other models enter the POP Note To check whether the ThinkPad Notebook you are servicing supports the Passphrase function enter the BIOS Setup Utility and go to Security gt Password If the Using Passphrase item is displayed in the menu this function is available on the ThinkPad Notebook
106. ian my IN POUND n55Y0n VINO NN 01907 5573 SW MOP mins Dan ADDON Tann PNA D SY WINI n55Y0n n55Yon TANI NN DIDI V AMN 53595 IN 07725 IN UND pata MINIMA e p5nn 19092 n3 syan n25103 p 1 Y 09 eom DU MASON IN ANSI 01532 5129 AION NI 025103 Uy AINON deni n5 vn my OMA AVN PIT yx NNI9 msisiann5 MDI 01949 n515y 099597 72270 50595 100 29 n51yn ANIONS nx ONT IN DIMN 9999 NIV AvIPNA TANNA NN 35 n55Y0n NN p5v5 v 0999 NN PUNI PNI ADIT NN 41505 PN DIIS DPINA M2 WEIN n55103 p VANVNI v PIN IN 70954 3395 09945 2359 NINN DINDI VID moo A TN 1904 D5 P IN OD PY OY Sana TONN Tinto Sram dava LCD rm WAN Ton ON t yaun DIYDON ON NIN my Naps 09 mne MPT 15 quina broa Po DYN oo INNS DVI Sun OY my 990937 SW nnn IPHN 59 pan MON MIHBUNNA YI 15 pann moo A DAT PANT 22359 NPANI IN 05313572 05719 TI nn Mova 1n nPUN n MINDAU YN API DIA nns III 7022530 PIDO no 12 Hardware Maintenance Manual mon ab 90919 Wye 92hYpn FRU n 5v mah NNN namo Y ON NON t 525n 55 NN pi MD ON TN NN DP hn 525 55 NN AUNAN NN oanan FRU ThinkPad Rr ee ST et One Ce MEME ERA
107. ility and load Setup defaults two short beeps Fan error four short beeps one long beep DRAM is unplugged four short beeps pause three short beeps pause one short beep pause one short beep DRAM 15 not well plugged seven short beeps one long beep four short beeps one long beep one short beep one long beep one short beep one long beep till forever Operating system not found Unauthorized network card is plugged in Power off and remove the miniPCI network card two short beeps System Configuration Data Read Error two short beeps No beep symptoms Table 4 No beep symptoms Symptom or error No beep power on indicator on LCD blank and no POST Press F1 to enter BIOS Setup Utility Press F9 and Enter to load the default setting Then save the current setting by pressing F10 and restart the computer 1 Fan 2 Thermal grease 3 System board Install the DRAM Reinstall the DRAM Check that the operating system has no failure and is installed correctly Enter BIOS Setup Utility and see whether the hard disk drive is properly identified If you still see the same error message check the boot sequence Reinstall the hard disk drive Reinstall the operating system Turn off the computer and remove the WAN card Press F1 to enter BIOS Setup Utility Press F9 and Enter to load the default setting Then save the current setting by pressing F10 and restart the computer
108. imeters 3 inches from the end Do not wear jewelry chains metal frame eyeglasses or metal fasteners for your clothing Attention Metal objects are good electrical conductors Wear safety glasses when you are hammering drilling soldering cutting wire attaching springs using solvents or working in any other conditions that might be hazardous to your eyes After service reinstall all safety shields guards labels and ground wires Replace any safety device that is worn or defective 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 O Copyright Lenovo 2011 1 Electrical safety Observe the following rules when working on electrical equipment Important Use only approved tools and test equipment Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents Many customers have near their equipment rubber floor mats that contain small conductive fibers to decrease electrostatic discharges Do not use this type of mat to protect yourself from electrical shock e Find the room emergency power off EPO switch disconnecting switch or electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord quickly Do not work alone under hazard
109. ing station do not undock it before resuming normal operation If you do undock it and then try to resume normal operation you will get an error message and you will have to restart the system To cause the computer to enter hibernation mode do any of the following e Press the Fn F12 keys e f you are using the APM operating system and have set the mode to Power switch mode Hibernation turn off the power switch e f you are using the ACPI operating system and have defined one of the following actions as the event that causes the system to go into hibernation mode perform that action Closing the lid Pressing the power button Pressing Fn F4 keys Also the computer goes into hibernation mode automatically in either of the following conditions e f a hibernation time has been set on the timer and if the user does not do any operation with the keyboard the TrackPoint the hard disk drive the parallel connector or the diskette drive within that time e the timer conditions are satisfied in suspend mode e f you are using the APM operating system and have set the mode to Hibernate when battery becomes low and the battery charge becomes critically low When the power is turned on the computer returns from hibernation mode and resumes operation The hibernation file in the boot record on the hard disk drive is read and system status is restored from the hard disk drive Symptom to FRU index This sect
110. ion contains following information e Numeric error codes on page 42 Chapter 4 Related service information 41 Error messages on page 44 No beep symptoms on page 44 LCD related symptoms on page 44 Intermittent problems on page 45 Undetermined problems on page 45 The symptom to FRU index in this section lists symptoms and errors and their possible causes The most likely cause 15 listed first in boldface type Note Do the FRU replacement or other actions in the sequence shown in the column headed FRU or action in sequence If replacing a FRU does not solve the 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 what FRUs are likely to need to be replaced next A numeric error is displayed for each error detected in POST or system operation In the displays n can be any number If no numeric code is displayed check the narrative descriptions of symptoms If the symptom is not described there go to Intermittent problems on page 45 Note For a device not supported by diagnostic codes in the ThinkPad Notebooks see the manual for that device Numeric error codes Table 2 Numeric error codes Symptom or error beeps if any FRU or action in sequence 0187 System board EAIA data access error The access to EEPROM is failed two short beeps 0189 System board Invalid RFI
111. llt Wenn der Bildschirm besch digt ist und die darin befindliche Fl ssigkeit in Kontakt mit Haut und Augen ger t sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgesp lt und bei Beschwerden anschlieBend ein Arzt aufgesucht werden A VORSICHT Aus Sicherheitsgr nden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen A VORSICHT Obwohl Hauptbatterien eine niedrige Spannung haben k nnen sie doch bei KurzschluB oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen A VORSICHT Chapter 1 Safety information 11 Wenn ein Austausch der FRU bei laufendem Betrieb nicht erlaubt ist gehen Sie beim Austausch der FRU wie folgt vor Schalten Sie den Computer aus ziehen Sie alle Netzkabel von den Netzsteckdosen ab entfernen Sie den Akku und ziehen Sie alle miteinander verbundenen Kabel ab noo DANN DIOP t p m ban 220 NMI W FRU n92nn ANNI 2Vh NIYAN 395 ANN NN 20202 U NNF NTND YT INN Tina MI O WaIN DIN ONPI D NYNI OPIDN DNY NON 239 PHN pypuv MIP 5 5 vpn moo A Danan 7550 9525 PN 9 5U MI MYON mae mann modo nun DN DIVI W nmx 5395 IN 09729 UND AMIN DIU AD VANA HN nos mova ni syan n55103 p VANVAS v enm mgnn n 59 WINI nb5Yon dy mission IN nnsn5 031339 2159 MINI NI n55103 UVP V n
112. ly inspect and maintain your electrical hand tools for safe operational condition Do not use worn or broken tools and testers Never assume that power has been disconnected from a circuit First check that it has been powered off e Always look carefully for possible hazards in your work area Examples of these hazards are moist floors nongrounded power extension cables power surges and missing safety grounds Do not touch live electrical circuits with the reflective surface of a plastic dental mirror The surface is conductive such touching can cause personal injury and machine damage Do not service the following parts with the power on when they are removed from their normal operating places in a machine Power supply units Pumps Blowers and fans Motor generators Similar units to listed above This practice ensures correct grounding of the units e f an electrical accident occurs 2 Hardware Maintenance Manual Use caution do not become a victim yourself Switch off power Send another person to get medical aid Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions As each machine was designed and built required safety items were installed to protect users and service technicians from injury This guide addresses only those items You should use good judgment to identify potential safety hazards due to attachment of non Think
113. n service tools Appendix A Notices Electronic emissions notices Trademarks 138 140 140 141 141 142 143 143 143 144 144 145 146 147 148 148 149 151 152 152 About this manual This manual contains service and reference information for the following ThinkPad Notebook products ThinkPad L420 Machine Type MT 7826 7827 7829 7853 7854 and 7856 ThinkPad L421 MT 7826 7827 7829 7853 7854 and 7856 ThinkPad L520 MT 5015 5016 5017 5019 7859 and 7860 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 advanced diagnostic tests to troubleshoot problems effectively Before servicing a ThinkPad product be sure to read all the information under Chapter 1 Safety information on page 1 and Chapter 2 Important service information on page 25 O Copyright Lenovo 2011 iii iv Hardware Maintenance Manual Chapter 1 Safety information This chapter presents following safety information 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 sensitive to electrostatic discharge on page 3 Grounding requirements on page 4 Safety notices multilingual
114. ntering the supervisor password however you cannot change the parameters that are protected by the supervisor password On the BIOS Setup Utility screen press F9 Enter F10 and then Enter Note When you initialize the computer configuration some devices are disabled such as the serial port If you test one of these devices you will need to enable it by using Configuration utility for DOS The utility is 30 Hardware Maintenance Manual available on the following Web site http support lenovo com 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 computer Testing the computer Note The PC Doctor for DOS CD R CD RW disc supports only test of internal optical disc drives CD RW CD RW DVD Combo and DVD Multi drives on ThinkPad computers It does not support test of any optical disc drives connected through USB devices PC cards CardBus cards or similar The USB limitation only applies to testing of the device Using a bootable PC Doctor for DOS CD DVD the system can be started from a USB attached optical drive To run the test do as follows 1 2 o co Y OO Turn off the computer Make sure that the internal optical drive that is supported as a startup device is attached to the computer you are servicing Turn on the computer If the computer cannot be powered on go to Power
115. ntinuea ID CPU assembly Intel Core 13 2350 Processor 2 30 GHz J1 04W1892 N 7826 CTO 46x 7827 CTO 7829 CTO 7853 CTO 7854 CTO 5Ex 7856 CTO 4Cx 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 5Px 5Ux 5Vx 7860 CTO CPU assembly Intel Core i5 2410M Processor 2 30 GHz 04W0496 7826 CTO 3Hx 3Lx 3Ux 3Vx 7827 CTO 49x 5Zx 62X 7829 CTO 7853 CTO 7854 CTO 32x 37x 3Cx 3Gx 3Jx 3Kx 3Lx 3Rx 3Sx 3Tx 3Ux 3Vx 43x 44x 45x 49x 4Ax 4 4Hx 4Nx 4 4Qx 4Vx 4Wx 53x 54x 55x 5Ax 7856 CTO 32x 37x 3Bx 3Cx 3Nx 3Px 3Rx 3Sx 3Tx 3Wx 42x 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 32x 36x 37x 3Fx 3Hx 3Kx 3Mx 3Nx 3Px 3Vx 3Wx 3Xx 4Cx 4Dx 4Gx 4Mx 4Qx 4Rx 4Sx 4Tx 4Zx 52x 57x 58x 5Ax 5Dx 7860 CTO 32x 36x 37x 39x 3Ax 3Cx 3Kx 3Lx 3Rx CPU assembly Intel Core i5 2430M Processor 2 40 GHz J1 04W1893 N 7826 CTO 47x 48x 49x 7827 CTO 7829 CTO 7853 CTO 7854 CTO 5Dx 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 5Qx 5Sx 5Tx 62x 7860 CTO CPU assembly Intel Core i5 2520M Processor 2 50 GHz 5Vx 5Wx 5Xx 5Yx 62x 63x 5017 CTO 32x 42x 43x 44x 48x 49x 4Cx 4Dx 4Ex 4Kx 4Lx 4Mx 4Nx 4Px 04W0492 7826 CTO 32x 33x 34x 35x 36x 38x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Jx 3Kx 3Tx 3Zx 7827 CTO 32x 34x 43x 44x 48x 4Ax 4Bx 4Dx 4Ex 4Fx 4Gx 4Jx 4Nx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 5Bx 5
116. olid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1140 Backup battery on page 78 1150 Bluetooth daughter card on page 78 1160 Media Card Reader slot board and Media Card Reader cable assembly on page 79 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 1190 LCD unit on page 85 2010 Top shielding assembly on page 88 Location of major sensitive components on the system board in ThinkPad L420 L421 and L520 models The 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 EJ Accelerometer chip for the HDD Active Protection System 90 Hardware Maintenance Manual Multi Chip Package MCP processor Video chip only for discrete models Platform Controller Hub PCH For ThinkPad L420 and L421 models with an integrated thermal module top side view CTI For ThinkPad L420 and L421 models with an integrated thermal module bottom side view J For ThinkPad L520 models with an integrated thermal module top side view u Chapter 8 Removing and replacing aFRU 91 J gt For ThinkPad L520 models with an integrated thermal module bottom side view
117. orce to the fan motor It might cause damage to the fan assembly or might cause the computer to malfunction Chapter 8 Removing and replacing a FRU 65 Table 8 Removal steps of fan assembly When installing Make sure that the fan connector is attached firmly to the system board Note Loosen the screws to EI in order but do not remove them When you attach the fan secure the screws in order Note Different models might have different numbers of screws in step 66 Hardware Maintenance Manual Table 8 Removal steps of fan assembly continuea 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 EJ 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 For the new CPU thermal device you need to peel the thin film off from the rubbers marked For models with a discrete fan assembly For models with an integrated fan assembly Chapter 8 Removing and replacing a FRU 67 Table 8 Removal steps of fan assembly continued 1080 CPU For access remove these FRUs in order e 1010 Battery pack on page 57 e 1040 Thermal cover on page 61 e 1070 Fan assembly on page 65 Attention The CPU is extremely sensitive When you service the CPU avoid any kind of ro
118. ot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 Removal steps of LCD unit Step Screw quantity Torque M2 5 x 6 5 mm flat head nylon coated 2 Black 0 392 Nm 4 kgfcm Chapter 8 Removing and replacing a FRU 85 When installing Make sure that the connectors are attached firmly to the system board In step EX release wireless antenna cables from the cable guides For ThinkPad L520 models 1 8 y 4 W a n in i n ge HB gt El Ue 21 ei For ThinkPad L420 and L421 models 86 Hardware Maintenance Manual When installing Make sure that the cables are attached to the cable guides firmly Attention When you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken Screw quantity E M2 5 x 6 5 mm flat head nylon coated 4 0 392 Nm 4 kgfcm Chapter 8 Removing and replacing a FRU 87 2010 Top shielding assembly For access remove these FRUs in order 1010 Battery pack on page 57 1030 O
119. ous conditions or near equipment that has hazardous voltages e Disconnect all power before Performing a mechanical inspection Working near power supplies Removing or installing main units e Before you start to work on the machine unplug the power cord If you cannot unplug it ask the customer to power off the wall box that supplies power to the machine and to lock the wall box in the off position f you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Attention An electrical shock can occur only when there is a complete circuit By observing the above rule you may prevent a current from passing through your body When using testers set the controls correctly and use the approved probe leads and accessories for that tester Stand on suitable rubber mats obtained locally if necessary to insulate you from grounds such as metal floor strips and machine frames Observe the special safety precautions when you work with very high voltages Instructions for these precautions are in the safety sections of maintenance information Use extreme care when measuring high voltages e Regular
120. ows 7 Professional 32 bit recovery DVDs C amp L EMEA Dutch French German ltalian English 04 1770 C amp L Nordics Danish Finnish Swedish Norwegian English 04 1769 French 0471763 German 0471764 Japanese Simplified Chinese Spanish Traditional Chinese for Hong Kong S A R US English Windows 7 Professional 64 bit DVDs Windows 7 Professional 64 bit is preinstalled as the operating system in the following models e 7826 CTO 35x 36x 39x 3Ax 3Bx 3Fx 3Gx 49x e 7827 CTO 32x 33x 34x 42x 43x 44x 45x 46x 49x 4Cx 4Dx 4Fx 4Gx 4Hx 4Jx 4Mx 4Nx 4Px 40x 4Rx 4Sx 4Tx 4Ux 4Vx 4Wx 4 4Yx AZx 52x 53x 54x 59x 5Ax 5Bx 5Cx 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Qx 5Rx 5Sx 5Tx 5Wx 5Xx 66x e 7829 CTO 32x 33x 34x 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Vx AWx 4Xx AYx 4Zx e 7853 CTO e 7854 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Ex 3Fx 3Gx 3Hx 3Jx 3Lx 3Nx 3Sx 3Tx 3Xx 3Yx 3Zx 42x 43x 44x 45x 46x 4Gx 4Hx 4Kx 4Lx 4Mx 4Nx 4Px 40x 4Rx 4Sx 4Tx 4Ux 4 4Wx 5Ax 5Cx 5Dx 5Ex e 7856 CTO 32x 33x 34x 35x 36x 37x 38x 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Wx 3Xx 3Yx 3Zx 42x 43x 44x 45x 48x 49x 4Ax e 5015 CTO 32x 33x 34x 35x e 5016 CTO 32x 33x 43x 44x 46x 47x 48x 49x 4 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4Rx 4Sx
121. pales soit peu lev le court circuit ou la mise la masse d une batterie peut produire suffisamment de courant pour br ler des mat riaux combustibles ou causer des br lures corporelles graves A DANGER Si le remplacement chaud n est pas autoris pour l unit remplacable sur site que vous remplacez proc dez comme suit avant de retirer l unit mettez l ordinateur hors tension d branchez tous les cordons d alimentation des prises de courant retirez le bloc de batterie et d connectez tous les c bles d interconnexion A VORSICHT Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird mu sichergestellt werden da keine Schrauben Federn oder andere Kleinteile fehlen oder im Geh use vergessen wurden Der Computer gesch ttelt und auf Klapperger usche gepr ft werden Metallteile oder splitter k nnen Kurzschl sse erzeugen A VORSICHT Die Bereitschaftsbatterie die sich unter dem Diskettenlaufwerk befindet kann geringe Mengen Nickel und Cadmium enthalten Sie darf nur durch die Verkaufsstelle oder den IBM Kundendienst ausgetauscht werden Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Die Batterie kann schwere Verbrennungen oder Ver tzungen verursachen Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatz
122. parable e Pour viter tout risque d exposition au rayon laser respectez les consignes de r glage et d utilisation des commandes ainsi que les proc dures d crites dans le pr sent manuel Certains produits laser contiennent une diode laser int gr e de classe 3A ou 3B Prenez connaissance des informations suivantes Rayonnement laser lorsque le carter est ouvert Evitez toute exposition directe au rayon laser Evitez de regarder fixement le faisceau ou de l observer l aide d instruments optiques 20 Hardware Maintenance Manual A Vorsicht Bei der Installation von Laserger ten wie CD ROM Laufwerken DVD Laufwerken Einheiten mit Lichtwellenleitertechnik oder Sendern Folgendes beachten e Die Abdeckungen nicht entfernen Durch Entfernen der Abdeckungen des Laserger ts k nnen gef hrliche Laserstrahlungen freigesetzt werden Das Ger t enth lt keine zu wartenden Teile e Werden Steuerelemente Einstellungen oder Durchf hrungen von Prozeduren anders als hier angegeben verwendet kann gef hrliche Laserstrahlung auftreten Einige Laserger te enthalten eine Laserdiode der Klasse 3A oder 3B Beachten Sie Folgendes Laserstrahlung bei ge ffneter Verkleidung Nicht in den Strahl blicken Keine Lupen oder Spiegel verwenden Strahlungsbereich meiden A mem 29 vau apra TWIN aaya 20 DVD ains aun 1152 57999 sax SNS Nat pan ae map 212192 sp wr ad 79199 x8
123. parts Mini Card stud system board Stud system board Insulation top Insulation black battery Insulation black coil Insulation black SIM SIM card bracket Eject sheet USB gascket LCD miscellaneous parts Heat spreader for camera ThinkPad logo Lenovo logo Label camera Label no camera Label LED Tape cable fix 10 x 38 LCD latch R LCD latch L Rubber 0 5 Rubber 0 8 Rubber 0 8 long Rubber 1 0 Rubber 1 5 Alpet sheet for LCD Gasket for LCD Screw cap thin Screw cap square Note ltalicized letter in parentheses is reference to the exploded view in LCD FRUs on page 132 Chapter 10 Parts list 139 ac power adapters Table 16 Parts list 2 pin ac power adapters O Pm ES 2 pin 65 20 V adapter models CTO xxF xxJ xxL 5 xxU xxY 4215282 2 pin 65 20 V adapter models CTO xxF xxJ xxL 5 xxU xxY 4274419 2 pin 65 20 V adapter models CTO xxJ xxL 5 xxU xxY 4214423 2 pin 90 W 20 V adapter models CTO xxE xxF xxJ xxL xxP xxS xxU xxY 4214427 2 pin 90 W 20 V adapter models CTO xxE xxF xxJ xxL xxS xxU xxY 4214431 2 pin 90 W 20 V adapter models CTO xxE xxF xxJ xxL xxP xxS xxU xxY 4214435 2 pin 90 W 20 V adapter models CTO xxE xxF xxJ xxL xxP xxS xxU xxY 42T4439 Table 17 Parts list 3 pin ac power adapters
124. ptical drive or travel cover on page 60 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 1190 LCD unit on page 85 Removal steps of top shielding assembly For ThinkPad L520 models 88 Hardware Maintenance Manual Torque Screw quantity Step 0 181 Nm 3 M2 3 mm flat headd nylon coated 1 85 kgfem 0 181 Nm 1 85 kgfcm M2 x 5 mm flat head nylon coated 5 For ThinkPad L420 and L421 models Torque Screw quantity Step 0 181 Nm M2 x 3 mm flat head nylon coated 2 1 85 kgfcm 0 181 Nm 1 85 kgfcm Chapter 8 Removing and replacing a FRU 89 M2 x 5 mm flat head nylon coated 3 2020 System board assembly Important notices for handling the system board When handling the system board bear the following in mind e The system board has an accelerometer which can be broken by applying several thousands of G forces Note Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6 000 G s of shock Be careful not to drop the system board on a bench top that has a hard surface such as metal wood o
125. r composite If a system board is dropped you must test it using PC Doctor for DOS to make sure that the HDD Active Protection System still functions Note If the test shows that the HDD Active Protection System is not functioning be sure to document the drop in any reject report and replace the system board Avoid rough handling of any kind At every point in the process be sure not to drop or stack the system board If you put a system board down be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive surface After replacing the system board run PC Doctor for DOS to make sure that the HDD Active Protection System still functions The procedure is as follows 1 Place the computer on a horizontal surface 2 Run Diagnostics gt ThinkPad Devices gt HDD Active Protection Test Attention Do not apply physical shock to the computer while the test is running For access remove these FRUs in order 1010 Battery pack on page 57 1020 ExpressCard blank bezel and Media Card blank bezel on page 58 1030 Optical drive or travel cover on page 60 1040 Thermal cover on page 61 1050 Hard disk drive or solid state drive assembly on page 62 1060 DIMM on page 64 1070 Fan assembly on page 65 1080 CPU on page 68 1090 SIM slot cover on page 69 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA s
126. r wireless LAN 1140 Backup battery 1150 Bluetooth daughter card 1160 Media Card Reader slot board ind Media Card Reader cable assembly 1170 Keyboard 40 40 40 41 41 42 44 44 44 45 45 47 49 53 53 54 54 54 55 57 57 58 60 61 62 64 65 68 69 70 71 73 76 78 78 79 81 1180 Keyboard bezel 1190 LCD unit 2010 Top shielding semi 2020 System board assembly 2030 USB connector board and USB cable assembly 2040 DC in cable and cover 2050 LCD front bezel 2060 Speaker assembly 2070 Integrated camera 2080 Antenna assembly 2090 Hinges LCD panel LCD and LCD re rear cover assembly Chapter 9 Locations Front view Rear view Bottom view Chapter 10 Parts list Overall LCD FRUs Keyboard ii Hardware Maintenance Manual 83 85 88 90 95 97 100 101 102 103 105 109 109 110 110 111 112 132 137 Miscellaneous parts ac power adapters Power cords Recovery discs 3 Windows XP Pofessional DVDs Windows XP Professional Generic DVDs Windows Vista Business 32 bit DVDs Windows Vista Home Basic 32 bit DVDs Windows 7 Home Basic 32 bit DVDs Windows 7 Home Premium 32 bit DVDs Windows 7 Home Premium 64 bit DVDs Windows 7 Professional 32 bit DVDs Windows 7 Professional 64 bit DVDs Windows 7 Starter 32 bit DVDs Windows 7 Ultimate 32 bit DVDs Windows 7 Ultimate 64 bit DVDs Commo
127. ri e risque de prendre feu ou d exploser A DANGER La batterie contient du nickel Ne la d montez pas ne l exposez ni au feu ni l eau Ne la mettez pas en court circuit Pour la mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la batterie veillez n utiliser que les mod les cit s dans la liste de pi ces d tach es ad quate En effet une batterie inappropri e risque de prendre feu ou d exploser A DANGER La pile de sauvegarde contient du lithium Elle pr sente des risques d incendie d explosion ou de br lures graves Ne la rechargez pas ne retirez pas son connecteur polaris et ne la d montez pas Ne l exposez pas une temperature sup rieure 100 C ne la faites pas br ler et n en exposez pas le contenu l eau Mettez la pile au rebut conform ment la r glementation en vigueur Une pile inappropri e risque de prendre feu ou d exploser A DANGER Si le panneau d affichage cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide rincez les abondamment pendant au moins quinze minutes Consultez un m decin si des sympt mes persistent apr s le lavage A DANGER Chapter 1 Safety information 9 Afin d viter tout risque de choc lectrique ne retirez pas le cache en plastique prot geant la partie inf rieure de la carte d alimentation A DANGER Bien que le voltage des batteries princi
128. rts Detail tab to view the list of service parts Using the HMM For key commodities examples hard disk drive system board microprocessor LCD and memory Chapter 2 Important service information 27 Use the HMM as a backup to PEW and eSupport to view the complete list of FRUs at the MT model level 28 Hardware Maintenance Manual Chapter 3 General checkout This chapter presents following information e What to do first on page 29 e Checkout guide on page 30 Diagnostics using PC Doctor for DOS on page 30 Lenovo ThinkVantage Toolbox on page 33 FRU tests on page 33 e Power system checkout on page 34 The descriptions in this chapter apply 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 notes e Only certified trained personnel should service the computer e Before replacing any FRU read the entire page on removing and replacing FRUs e When you replace FRUs use new nylon coated screws e Be extremely careful during such write operations as copying saving or formatting Drives in the computer that you are servicing sequence might have been altered If you select an incorrect drive data or programs might be overwritten Replace a FRU only with another FRU of the correct model When you replace a F
129. sem CA Domens 8 n Battery pack 4 cell Li ion 2 2 Ah 4214887 7826 CTO 34x 3Fx 3Gx 44x 42T4883 7827 CTO 5Mx 5Nx 5Px 67x 68x 42 4885 7829 CTO 7853 CTO 7854 CTO 48x 7856 CTO 5015 CTO 34x 35x 3Cx 5016 CTO 5Px 63x 64x 5017 CTO 5019 CTO 7859 CTO 5Jx 7860 CTO Battery pack 6 cell Li ion 2 2 Ah 4214921 e 7826 CTO 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 45x 46x 47x 48x 49x 4274923 7827 CTO 4Cx 4Dx 4Ex 4Fx 5Ax 5Bx 4274925 7829 CTO 4Zx 4274927 7853 CTO 7854 CTO 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Xx 3Yx 3Zx 4Gx 4Hx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 7856 CTO 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Wx 5015 CTO 36x 37x 5016 CTO 4Fx 4Gx 4Hx 4Jx 5Lx 5Mx 5017 CTO 4Px 5019 CTO CRU gt gl a o EE Ea EM ES ES 114 Hardware Maintenance Manual Table 9 Parts list Overall continuea FRU Overall 1 e 7859 CTO 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Zx 42x 43x 4Fx 4Gx 4Hx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 4Ux 4 5Gx 5Hx 5 5Lx 5Mx 5Nx 5Wx 5 5Yx 5Zx 62x 63x 64x 65x 66x e 7860 CTO 3Dx 3Hx 3Jx Battery pack 6 cell Li ion 2 6 Ah 4214791 e 7826 32x 33x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Rx 3Sx 3Tx 4274793 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43 4274795 7827 32x 33x 34x 42x
130. ssor Internal Speaker Systemboard Mouse Video Adapter Diskette Serial Ports System Load Fixed Disks Optical Drive Test Diskette Drives Intel WLAN Radio Test Other Devices Wireless LAN Advanced Memory Tests Notes In the Keyboard test in Interactive Tests the Fn key should be held down for at least 2 seconds otherwise it cannot be sensed Video Adapter test supports only the LCD display on the ThinkPad Notebook If you have an external monitor attached to the computer detach it before running PC Doctor for DOS To test Digital Signature Chip the security chip must be set to Active 10 Run the applicable function test 11 Follow the instructions on the screen If there is a problem PC Doctor shows messages describing it 12 To exit the test select Quit Exit Diag To cancel the test press Esc Note After running PC Doctor check the time and date on the system and reset them if they are incorrect Detecting system information with PC Doctor PC Doctor can detect the following system information Hardware Info System Configuration Memory Contents Physical Disk Drives Logical Disk Drives VGA Information IDE Drive Info PCI Information PNPISA Info SMBIOS Info VESA LCD Info Hardware Events Log Utility Run External Tests Surface Scan Hard Disk Benchmark System DOS Shell Tech Support Form Battery Rundown View Test Log Print Log Save Log Full Erase Hard Drive Quick Erase Hard Drive 32 Hard
131. system in the following models 7826 CTO 7827 CTO 4Kx 7829 CTO 4Nx 4Px 7853 CTO 144 Hardware Maintenance Manual 7854 CTO 4Jx 7856 CTO 3Rx 5 3Tx 3Ux 3Vx 4Cx 4Dx 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 26 Parts list Windows 7 Home Premium 64 bit recovery DVDs ID Arabic Brazil Portuguese C amp L Croatian English Slovenian Croatian C amp L EMEA Dutch French German ltalian English C amp L Nordics Danish Finnish Swedish Norwegian English French German Hebrew Hungarian Japanese Korean English Polish Portuguese Romanian Russian Serbian Latin Simplified Chinese Slovak Spanish Traditional Chinese Traditional Chinese for Hong Kong S A R Turkish US English US English disable Windows 7 Professional 32 bit DVDs Windows 7 Professional 32 bit is preinstalled as the operating system in the following models e 7826 CTO e 7827 CTO 47x 48x 4Ax 4Lx 55x 56x 57x 58x 5Dx 5Ex 5Fx 5Vx 62x 67x 68x e 7829 CTO 4Cx 40x 4Rx 4Sx 4Tx 4Ux Chapter 10 Parts list 145 7853 CTO 7854 CTO 4Xx 4Yx 4Zx 54x 56x 7856 CTO 3Nx 3Px 3Qx 5015 CTO 36x 37x 38x 39x 3Ax 3Bx 3Cx 5016 CTO 42x 45x 5Dx 5Ex 5Fx 5Gx 5Hx 5Vx 5Wx 5Xx 5Yx 63x 64x 5017 CTO 42x 45x 5019 CTO 7859 CTO 4Hx 4Nx 4Px 55x 56x 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x e 7860 CTO 3Lx 3Mx Table 27 Parts list Wind
132. t the UUID on the new system board as follows 1 Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1 76 or later and restart the computer 2 From the main menu select 4 Assign UUID A new UUID is created and written If a valid UUID already exists it is not overwritten Reading or writing the ECA information Information on Engineering Change Announcements ECA are stored in the EEPROM of the system board The electronic storage of this information simplifies the procedure to check if the ECA has been previously applied to a machine The machine does not need to be disassembled to check for the ECA application To check what ECAs have been previously applied to the machine use the ECA Information Read Write function on the LENOVO ThinkPad Hardware Maintenance Diskette Version 1 76 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 select 5 Read box build date from EEPROM and follow the instruction on the screen After an ECA has been applied to the machine the EEPROM must be updated to reflect the ECA s application Use the LENOVO ThinkPad Hardware Maintenance Diskette Version 1 76 or later to update the EEPROM Note Only the ECA number is stored in the EEPROM Th
133. teilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren A VORSICHT 10 Hardware Maintenance Manual Akkus enthalten geringe Mengen von Nickel Sie d rfen nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren A VORSICHT Die Systembatterie ist eine Lithiumbatterie Sie kann sich entz nden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren A VORSICHT Die Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgem B behandelt wird oder der Computer auf den Boden f
134. ter is used e f the power problem occurs only when the docking station or the port replicator is used replace the docking station or the port replicator e f the power on indicator does not tum on check the power cord of the ac power adapter for correct continuity and installation e If the computer does not charge during operation go to Checking operational charging on page 35 To check the ac power adapter do the following 1 Unplug the ac power adapter cable from the computer 2 Measure the output voltage at the plug of the ac power adapter cable See the following figure 34 Hardware Maintenance Manual Pin Voltage V dc a fe e 20V Note Output voltage of pin no 2 of the ac power adapter may different from the one you are servicing 3 If the voltage is not correct replace the ac power adapter 4 If the voltage is acceptable do the following e Replace the system board e f the problem persists go to FRU tests on page 33 Note Noise from the ac power adapter does not always indicate a defect Checking operational charging To check whether the battery charges properly during operation use a discharged battery pack or a battery pack that has less than 50 of the total power remaining when installed in the computer Perform operational charging If the battery status indicator or icon does not turn on remove the battery pack and let it return to room temperature Reinstall the b
135. the settings in Power Manager In certain circumstances the computer goes into sleep standby mode automatically f a suspend time has been set on the timer and the user does do any operation with the keyboard the TrackPoint the hard disk the parallel connector or the diskette drive within that time e If the battery indicator blinks orange indicating that the battery power is low 40 Hardware Maintenance Manual Note Even if you do not set the low battery alarm the charge indicator notifies you when the battery is low and 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 e Press the Fn key e Open the LCD cover e Turn on the power switch Also in either of the following events the computer automatically returns from sleep standby mode and resumes operation e The ring indicator RI is signaled by a serial device or a PC Card device The time set on the resume timer elapses Note The computer does not accept any input immediately after it enters sleep standby mode Wait a few seconds before taking any action to reenter operation mode Hibernation mode In hibernation mode the following occurs The system status RAM VRAM and setup data are stored on the hard disk e The system is powered off Note If the computer enters the hibernation mode while it is docked to the dock
136. translations on page 4 Laser compliance statement multilingual translations on page 17 General safety Follow these rules to ensure general safety Observe good housekeeping in the area of the machines during and after maintenance When lifting any heavy object Make sure that you can stand safely without slipping Distribute the weight of the object equally between your feet Use a slow lifting force Never move suddenly or twist when you attempt to lift DO a Lift by standing by pushing up with your leg muscles this action removes the strain from the muscles in your back Do not attempt to lift any object that weighs more than 16 kg 35 Ib or that you think is too heavy for you Do not perform any action that causes hazards to the customer or that makes the equipment unsafe Before you start the machine make sure that other service technicians and the customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip about 8 cent
137. uage P N US English 04T1760 Windows Vista Home Basic 32 bit DVDs Windows Vista Home Basic 32 bit is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 23 Parts list Windows Vista Home Basic 32 bit recovery DVDs Language P N US English 0471761 Windows 7 Home Basic 32 bit DVDs Windows 7 Home Basic 82 bit is preinstalled as the operating system in the following models e 7826 CTO 37x 38x 3Cx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 30x 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 43x 45x 46x 47x 48x 7827 CTO 5Yx 5Zx 7829 CTO 7853 CTO 7854 CTO 47x 49x 4Ax 4Bx 4Cx 4Dx 52x 53x 55x 57x 58x 7856 CTO 5015 CTO 5016 CTO Chapter 10 Parts list 143 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 24 Parts list Windows 7 Home Basic 32 bit recovery DVDs ID Windows 7 Home Premium 32 bit DVDs Windows 7 Home Premium 32 bit is preinstalled as the operating system in the following models 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Table 25 Parts list Windows 7 Home Premium 32 bit recovery DVDs ID Indian English 04 1813 Simplified Chinese 0471812 US English 0471814 Windows 7 Premium 64 bit DVDs Windows 7 Home Premium 64 bit is preinstalled as the operating
138. ugh handling Removal steps of CPU Rotate the head of the screw in the direction shown by arrow to release the lock then remove the CPU 68 Hardware Maintenance Manual When installing Place the CPU above the CPU socket and then rotate the head of the screw in the direction shown by arrow to secure the CPU 1090 SIM slot cover For access remove this FRU e 1010 Battery pack on page 57 Removal steps of SIM slot cover Note Loosen the screw EM but do not remove it Some models 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 After you finish the servicing make sure that you insert the card back into the slot firmly Chapter 8 Removing and replacing a FRU 69 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN For access remove this FRU e 1010 Battery pack on page 57 Removal steps of wireless WAN slot cover and PCI Express Mini Card for wireless WAN Note Loosen the screw El but do not remove it 70 Hardware Maintenance Manual In steps EN and E unplug the jacks by using the removal tool antenna RF connector P N 08K7159 or pick the connectors with your fingers and gently unplug them in the direction of the arrows When installing Plug the red cable into the jack labeled MAIN and the blue cable into the jack labeled AUX on the card
139. ve force to it e Avoid rough handling of any kind e Avoid bending a system board and hard pushing to prevent cracking at each BGA Ball Grid Array chipset How to use error message Use the error codes displayed on the screen to diagnose failures If more than one error code is displayed begin the diagnosis with the first error code Whatever causes the first error code may also cause false error codes If no error code is displayed see whether the error symptom is listed in the Symptom to FRU Index for the computer you are servicing Strategy for replacing FRUs for CTO CMV and GAV Product definition Dynamic Configure To Order CTO This provides the ability for a customer to configure an 9 or 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 Example 1829 CTO Custom Model Variant CMV This is a unique configuration that has been negotiated between IBM or Lenovo and the customer A unique 4 digit MT and 3 digit model is provided to the customer to place orders Example 1829 W15 A CMV is a special bid offering Therefore it is NOT generally announced The MTM portion of the machine label is the 4 digit MT and 3 digit model where model CTO Example 1829 CT
140. ware Maintenance Manual 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 15 required computing assistance advanced diagnostics and diagnostic history Note To install the latest Lenovo ThinkVantage Toolbox on the computer go to http web lenovothinkvantagetoolbox com click Download Lenovo ThinkVantage Toolbox and follow the instructions on the screen To run this program do as follows Windows 7 Click Start gt Control Panel gt System and Security gt Lenovo System Health and Diagnostics Windows Vista and Windows XP Click Start gt All Programs gt ThinkVantage gt Lenovo ThinkVantage Toolbox Follow the instructions on the screen Lenovo ThinkVantag Toolbox also has problem determination aids that determine software and usage problems For additional information about this program see the Help for the program FRU tests The following table shows the test for each FRU Table 1 FRU tests System board Diagnostics gt CPU Coprocessor Diagnostics gt Systemboard If the docking station or the port replicator is attached to the ThinkPad computer detach it Place the computer on a horizontal surface and run Diagnostics gt ThinkPad Devices gt HDD Active Protection Test Note Do not apply
141. word prompt does not appear when the operating system is booted Power on password A power on password POP protects the system from being powered on by an unauthorized person The password must be entered before an operating system can be booted For how to remove the POP see How to remove the power on password on page 39 Hard disk password There are two hard disk passwords HDPs e User HDP for the user e Master for the system administrator who can use it to get access to the hard disk even if the user has changed the user HDP Note There are two modes for the HDP User only and Master User The Master User mode requires two HDPs the system administrator enters both in the same operation The system administrator then provides the user HDP to the system user 38 Hardware Maintenance Manual Attention If the user HDP has been forgotten check whether a master HDP has been set If it has it can be used for access to the hard disk drive If no master HDP is available neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master HDP or to recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee For how to remove the POP see How to remove the hard disk password on page 39 Supervisor password A supervisor password SVP protects the system information stored in the BIOS Setup Utility The user must enter t
142. x 5017 CTO 5019 CTO 7859 3Tx 4Nx 4 55x 56x 5Jx 5Kx 5Lx 5Mx 5Nx 5Wx 5Xx 63x 64x 65x 66x 7860 CTO 3Kx 3Lx 3Mx SATA hard disk drive 250 GB 5 400 rom 7mmH 04W1286 7826 CTO 32x 44x 04W1289 7827 CTO 52x 53x 55x 56x 58x 5Qx 5Sx 68x 69x 7829 CTO 7853 CTO 7854 CTO 30x 3Tx 3Ux 3Vx 3Wx 48x 4Jx 4Mx 7856 CTO 3Ex 3Fx 3Rx 3Sx 3Ux 3Vx 5015 CTO 36x 38x 39x 3Ax 3Cx 5016 CTO 58x 5Ax 5Cx 5Dx 5Ex 5Hx 5Rx 5Tx 5Xx 5Yx 64x 5017 CTO 5019 CTO 7859 CTO 3Tx 4Nx 4Px 55x 56x 5Jx 5Kx 5Lx 5Mx 5Nx 5Wx 5Xx 63x 64x 65x 66x 7860 CTO 3Kx 3Lx 3Mx OPAL SATA hard disk drive 250 GB 7 200 rom 7mmH 75Y5151 7826 CTO 75Y5153 7827 CTO 75Y5199 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Chapter 10 Parts list 119 Table 9 Parts list Overall continuea 16 120 FRU Overall SATA hard disk drive 320 GB 5 400 rpm 41W0779 7826 CTO 34x 42x 43 45x 46 47x 41W0787 7827 CTO 4Lx 5Cx 5Jx 5Rx 67x 75Y5045 7829 CTO 49x 4Yx 4Zx 75Y5035 7853 CTO 04W1287 7854 CTO 3Px 4Lx 4Ux 4Vx 7856 CTO 3Cx 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Xx 5015 CTO 37x 5016 CTO 4Cx 4Dx 5Qx 5Sx 5Vx 63x 5017 CTO 4Hx 4Lx 4Mx 4Px 5019 CTO 7859 CTO 3Sx 4Hx 4Mx 4Yx 4Zx 52x 53x 54 5Ax 5Gx 5Hx 5Yx 54 7860 CTO 3Hx 3Jx SATA hard disk drive 320 GB 7 200 rpm
143. x 4Ex 4Fx 4Nx 4Qx 4Rx 4Tx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 7856 CTO 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Rx 3Yx 3Zx 42x 43x 44x 45x 5015 CTO 32x 33x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 5016 CTO 5Jx 5Kx 5Nx 5Px 5Rx 5Tx 5Vx 5Wx 5Xx 5Yx 62x 63x 64x 5017 CTO 4Px 5019 CTO 7859 CTO 4Hx 4Nx 4Px 4Wx 4Xx 55x 56x 5Gx 5Hx 5Jx 5Kx 5Lx 5Mx 5Nx 5Wx 5Xx 5Yx 5Zx 62x 63x 64x 65x 66x 7860 CTO 3Dx 3Hx 3Jx 3Nx 3Px 3Rx 3Sx 1 mSATA solid state drive spacer 04W2145 e 7826 CTO 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3 3Nx 3Px 3Qx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 42x 43x 44x 45x 46x 47x 48x 49x 7827 CTO 4Cx 4Dx 4Jx 4Kx 4Lx 4Mx 59x 5Jx 5Kx 5Lx 5Mx 5Nx 5Px 5Sx 5Yx 62x 7829 4Bx 4Cx 4Dx 4Hx 4Jx 4Nx 4Px 4Vx 4Zx 7853 CTO 7854 CTO 39x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Px 30x 3Ux 3Vx 3Wx 3Xx 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Nx 4Qx 4Rx 4Tx 4Xx 4Yx 4Zx 52x 53x 54x 55x 56x 57x 58x 59x 7856 CTO 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Rx 3Yx 3Zx 42x 43x 44x 45x 5015 CTO 32x 33x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 5016 CTO 5Jx 5Kx 5Nx 5Px 5Rx 5Tx 5Vx 5Wx 5Xx 5Yx 62x 63x 64x 5017 CTO 4Px 5019 CTO 7859 CTO 4Hx 4Nx 4Px 4Wx 4Xx 55x 56x 5Gx 5Hx 5Jx 5Kx 5Lx
144. x 4Qx 4Rx 4Sx 75Y5197 4Vx 4Wx 4Yx AZx 54x 57x 5Ax 5Bx 5Ex 5FX 5Hx 5Tx 5Vx 5Wx 5Xx 5Yx 5Zx 66x 7829 CTO 32x 33x 34x 43x 44x 48x 4Dx 4 4Fx 4Mx 4Rx 4Sx 4Ux 4Wx 4Xx e 7853 CTO e 7854 CTO 32x 33x 34x 35x 36x 37x 38x 3Bx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Rx 3Sx 42x 43x 44x 45x 46x 47x 4Ax 4Dx 4Ex 4Fx 4Gx 4Hx 4Kx 4Nx 4Px 4Qx 4Rx 4Sx 4Tx 53x 58x 59x 5Ax 7856 CTO 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Nx 3Yx 3Zx 42x 43x 46x 47x 48x 49x 4Cx 4Dx e 5015 CTO 3Bx 5016 CTO 32x 33x 44x 45x 46x 48x 49x 4Ex 4Gx 4Hx 4Jx 4Lx 4Mx 40x 4Rx 4Sx AUX 4Vx 4Wx 4Yx AZx 52x 57x 59x 5Bx 5Fx 5Gx 5Lx 5Mx 5Wx 5Zx 62x e 5017 CTO 32x 33x 44x 45x 46x 48x 49x 4Ax 4Gx 4Jx 4Kx 4Nx e 5019 CTO e 7859 CTO 35x 36x 37x 38x 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Ux 3Vx 3Xx 3Yx 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Kx 4Lx 4Qx 4Rx 4Sx 4Tx AUX 4Vx 59x 5Dx 5Px 5Qx 5Rx 7860 CTO 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Gx 3Nx 3Px 3Qx 3Rx 3Sx Hardware Maintenance Manual Table 9 Parts list Overall continuea SATA hard disk drive 500 GB 7 200 rpm 60Y4811 7826 CTO 32x 33x 35x 36x 37x 38x 39x 3Bx 3Fx 3Hx 3Jx 3Kx 3Lx 60Y4821 3Mx 3Sx 3Tx 3Ux 3Vx 3Wx 48x 49x 75Y5125 7827 CTO 42x 45x 46x 47x 4Ax 4Bx 4Cx 4Gx 4Hx 4Kx 4Mx 4Px 4U
145. x 4Xx 59x 5Dx 5Gx 5Kx 5Lx 5Mx 5Nx 5Px 62x 7829 CTO 42x 45x 46x 47x 4 4Cx 4Gx 4Hx 4Jx 4Kx 4Lx 4Nx 4Px 4Qx 4Tx 4Vx 7853 CTO 7854 CTO 39x 3Cx 3Xx 3Yx 3Zx 49x 4Bx 4Cx AWx 4Xx 4Yx AZx 52x 54x 55x 56x 57x 5Bx 5Cx 5Dx 5Ex 7856 CTO 3Bx 3Wx 44x 45x 4Ax 4Bx 5015 CTO 32x 33x 5016 CTO 42x 43x 47x 4Ax 4Bx 4Fx 4Kx 4Nx 4Px 4Tx 4Xx 53x 56x 5Jx 5Kx 5Nx 5Px 5017 CTO 42x 43x 47x 4Bx 4Cx 4Dx 4Ex 4Fx 5019 CTO 7859 CTO 32x 33x 34x 39x 3Bx 3Cx 3Fx 3Zx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Jx 4Wx 4Xx 57x 58x 5Bx 5Cx 5Ex 5Sx 5Tx 5Ux 5Vx 7860 CTO 32x 33x 34x 3Ex 3Fx SATA solid state drive 4 GB 2 5 7mmH 04W1283 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO SATA solid state drive 128 GB 2 5 7mmH 04W1284 7826 CTO 04W1267 7827 CTO 4 04W1276 7829 CTO 4Ax 7853 CTO 7854 CTO 7856 CTO 5015 CTO 34x 35x 5016 CTO 54x 55x 5017 CTO 5019 CTO 7859 CTO 7860 CTO Chapter 10 Parts list 121 Table 9 Parts list Overall continuea FRU Overall 17 Sierrawireless Gobi 3000 Wireless WAN card WW SKU 60Y3257 7826 CTO 7827 CTO 7829 CTO 7853 CTO 7854 CTO 7856 CTO 5015 CTO 5016 CTO 5017 CTO 5019 CTO 7859 CTO 7860 CTO Sierrawireless Gobi 3000 Wireless WAN card for Malaysia SKU 60Y3283 7826 CTO 7827 C
146. y and some symptoms that might indicate that the system was subjected to stress beyond normal use Before checking problems with the computer determine whether the damage is covered under the warranty by referring to the following list The following are not covered under warranty e LCD panel cracked from the application of excessive force or from being dropped O Copyright Lenovo 2011 29 Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Plastic parts latches pins or connectors that have been cracked or broken by excessive force Damage caused by liquid spilled into the system Damage caused by the improper insertion of a PC Card or the installation of an incompatible card Improper disc insertion or use of an optical drive Diskette drive damage caused by pressure on the diskette drive cover foreign material in the drive or the insertion of a diskette with multiple labels Damaged or bent diskette eject button Fuses blown by attachment of a nonsupported device Forgotten computer password making the computer unusable Sticky keys caused by spilling a liquid onto the keyboard Use of an incorrect ac power adapter on laptop products The following symptoms might indicate damage caused by nonwarranted activities Missing parts might be a symptom of unauthorized service or modification e If the spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or droppe
147. zel on page 83 e 1190 LCD unit on page 85 e 2050 LCD front bezel on page 100 e 2060 Speaker assembly on page 101 e 2070 Integrated camera on page 102 Removal steps of antenna assembly Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges For ThinkPad L520 models Chapter 8 Removing and replacing a FRU 103 When installing Route the cables as shown in the following figure When you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken 104 Hardware Maintenance Manual 2090 Hinges LCD panel LCD cable and LCD rear cover assembly For access remove these FRUs in order 1010 Battery pack on page 57 1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN on page 70 1110 mSATA solid state drive on page 71 1120 Palm rest assembly with cables on page 73 1130 PCI Express Mini Card for wireless LAN on page 76 1170 Keyboard on page 81 1180 Keyboard bezel on page 83 1190 LCD unit on page 85 2050 LCD front bezel on page 100 2060 Speaker assembly on page 101 2070 Integrated camera on page 102 2080 Antenna assembly on page 103 R

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