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Lenovo ThinkPad W520

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1. FRU Chapter 1 Safety information 13 das 9 7 Ex meia BZ uj ANA ZNAL uj Ye Me 4 0 Lo gt ct te ogg X E a en 2 SINAL a LCD7 LCD AAA 529 SAA EE 15 eA Ho WAL ALFA EHE SA BA 7 9 ARS 4714 AAS usu us ms PES RES SAAS AA s HAL 12 1949 AS 43974 daa HAS ss SEA AFF 7449 Sas BWIA NST A ae FRU 2 Hot Swap 4994 SE 4 5 FRU amp AAS AS 8
2. 1 n 1 102 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Chapter 10 Locations This chapter presents the location of ThinkPad T520 T520i and W520 features and hardware Front view Status indicators Note For the description of each indicator see Chapter 6 Status indicators on page 47 Built in microphone Integrated camera for some models ThinkLight Power switch Security keyhole RJ 45 Ethernet connector Built in stereo speakers Serial Enhanced drive or travel bezel Combo audio jack Media Card Reader slot ExpressCard slot Fingerprint reader for some models Color sensor for ThinkPad W520 Touch pad buttons Touch pad TrackPoint buttons TrackPoint pointing stick UltraNav ThinkVantage button Volume control buttons N ta O Copyright Lenovo 2011 103 E E E E R E 9 Status indicators Note For the description of each indicator see Chapter 6 Status indicators on page 47 Smart Card slot for some models Wireless radio switch IEEE 1394 connector USB eSATA combo connector for some models Universal serial bus USB connectors External
3. EEE AMEKSA a HB mar Ww NURSE CAR EWS SMX BIE GUS 58201338 H 100 C 212 F R RREA SALE RE BEI REA ER FR BO E AME BAD LCD LCD ER F m uem 15 5338 AR EIS DA HER REC pa PH38 pk EEH TSE FANS BE SAT SS HAY RE E DUIS 16 ThinkPad T520 T520i W520 Hardware Maintenance Manual Men BRIE FRU RISE P2173 008 FUR gt HBR Laser compliance statement multilingual translations The laser compliance statements in this section are provided in the following languages English Arabic Brazilian Portuguese French German Hebrew Japanese Korean Spanish Traditional Chinese A CAUTION When laser products such as CD ROMs DVD drives fiber optic devices or transmitters are inst
4. e 3B 20 ThinkPad 520 T520i and W520 Hardware Maintenance Manual A 72 AZ CD ROM DVD EE FAL Fa SE 2 lt 331501 VEAP AT Foss BAS AA RAL JIN AEA Bas aa 250 999 WSU FA 4 36 8 77 20 81 81141 2089 31548 o 9 s Ho Hs xs Wo SE 45 as ALS JJ 29 WS qu 27 Hola AFL JE xi gap Mel de 9 gt ERA 4 GS PIPAS QAE dA 29497 29744 VA SE 3 FAS Ag BA VA LEMA FES
5. 227 T SST ROAR C 212 F ER cane LCD LCD 15
6. Cuando haya instalados productos l ser ejemplo unidades de CD ROM unidades de DVD dispositivos de fibra ptica o transmisores tenga en cuenta lo siguiente FYE 2 dig 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 La utilizaci n de controles ajustes o 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 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 Chapter 1 Safety information 21 A W CD ROM DVD SERRE BK Ho AD PRAE HD F KEN WA FT AEE NS FART ASCH EO hl eR SU IR BJ RUN 71 13 9 REGE BL ARK 3B 8 3436 PE 18 2 UE PIDE gt BOCES gt B 1843658 IB RS HR BEIN gt N Ht 6 EL BEAR SE TEER H e 22 ThinkPad T520 T520i and W520 Hardware Mainte
7. 1190 1 sub Note 1 sub contains Ethernet port USB For access remove these FRUS order e 1010 Battery pack on page 60 e 1020 Serial Ultrabay Enhanced device or travel bezel on page 61 1030 DIMM slot cover on page 62 e 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive SSD and storage converter on page 65 1060 Keyboard on page 67 1080 PCI Express Mini Card for wireless LAN on page 71 1090 PCI Express Mini Card for wireless WAN on page 73 Chapter 9 Removing and replacing a FRU 91 1100 Keyboard assembly page 75 1110 Bluetooth daughter BDC 3 0 on page 77 1120 Backup battery page 78 1130 Smart Card Smart Card dummy spacer on page 79 1140 Speaker assembly on page 81 1150 Thermal module on page 83 1170 LCD unit on page 86 1180 Base cover assembly on page 89 Table 33 Removal steps of I O sub Step Torque 0 181 Nm 1 85 kgfcm When installing Make sure that the connector is attached firmly 1200 System board assembly magnesium structure frame and modem daughter card MDC Note The system board does not contain the Ethernet port the ac power connector and the modem port For the Ethernet port see 1190 I O sub on page 91 ac power connector is insta
8. Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card 180 degrees more Cross section Torque driver If you have a torque driver refer to the Torque column for each step 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 Copyright Lenovo 2011 55 Retaining serial numbers This section includes the following descriptions e Restoring the serial number of the system unit on page 56 e Retaining the UUID on page 56 e Reading or writing the ECA information on page 57 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 an
9. has 38 Lala ills gf s Z s 1453 glad Yy La gati of 54 2 s gj 444454 Y Y YI n ja Vee ASI Liuius gf Ga sa alil a ATTI 41 ya gi ania Ala cil gill jail 9 I Ay 634 8 Laglai Jall gf ou LCD LALA Le 1M Sae Laud Maie aes gl Caray Le IN Aida 10 J 6 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 08 81 GU Sul Y 49 will Cota Ua a gi d 43 Lg 2355 Oj pa ab 250 uS a GM ol ga aaa ALL at gall a gl GEN og tall FRU GN qs jill SII oa AU DU US cada cilio 4 id gly Le Alaia CAS gl e 2 Ua Aa ja Ul jl Gad 4 A PERIGO Antes de ligar o computador a substituic o da FRU certifique se de que todos os parafusos molas outras pecas pequenas estejam no lugar e n o estejam soltos dentro do computador Verifiqu
10. NNN NN 64 ThinkPad 520 T520i and W520 Hardware Maintenance Manual Table 13 Removal steps of DIMM bottom slot continued For ThinkPad W520 55555 27 27 2 Note If only one DIMM is used the computer you are servicing the card must be installed in SLOT 0 EK but not SLOT 2 D When installing Insert the notched end of the DIMM into the socket Press the DIMM firmly and pivot it until it snaps into the place Make sure that it is firmly fixed in the slot and does not move easily 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive SSD and storage converter For access remove this FRU 1010 Battery pack on page 60 Attention 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 Before removing the drive have the user make a backup copy of all the information on it if possible Never remove the drive while the system is operating or is in suspend mode Chapter 9 Removing and replacing aFRU 65 Table 14 Removal steps of hard disk drive slot cover HDD and HDD rubber rails SSD and st
11. doce or travel bezel Sty aryl 1030 DIMM slot cover 1040 DIMM bottom slot 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive SSD and storage converter 1060 1070 DIMM upper slot 1080 PCI Express Mini Card for deles LAN 38 38 38 39 39 40 41 42 43 43 43 44 45 45 45 45 46 47 51 55 55 56 56 56 57 59 60 60 61 62 63 65 67 70 71 1090 PCI Express Mini for wireless WAN 1100 Keyboard bezel assembly 1110 Bluetooth daughter card BDC 3 0 1120 Backup battery nv 1130 Smart Card Smart dmn spacer 1140 Speaker assembly 1150 Thermal module 1160 CPU 1170 LCD unit 1180 Base cover assembly 1190 1 sub card 1200 System board magnesium structure frame and modem daughter card MDC 2010 LCD bezel 2020 LED sub card 2030 Integrated camera 2040 LCD cable camera cable LCD anal ERG hinges 2050 Antenna kit and LCD rear cover Chapter 10 Locations ThinkPad T520 T520i and W520 Hardware Maintenance Manual 73 75 77 78 79 81 83 85 86 89 91 92 96 97 98 98 101 103 Front view Rear view Bottom view Chapter 11 Parts list Overall LCD FRUs Keyboard Miscellaneous parts AC adapters Power cords Recovery discs Windows 7 Home Basic 32 bit DVDs Windows 7 Home
12. 4244 4246 4249 4260 4270 26 4276 22x 23x 24x 25x 27 28x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2 2Qx 2Rx 25 2 2Vx 2Wx 2 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x e 4281 CTO e 4282 CTO 23x 24x 25x 26x 27x 28x 29x 2 2Bx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 34x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Ex 3Fx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Wx 3Xx 3Yx 45x ABx 4 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 45x 46x 47x 48x 49x 4 ACx 4Dx 116 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID 7 DVD RAM RW drive 75Y5111 5 e 4239 22x 23x 24x 25x 26x 27x 28x 27 32x 33x 34x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47 48x 49x 4 4 4 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2 2Ux 2Vx 2Xx 2Yx 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 46x 47x 48x 49x 4 4 4 ADx 4Ex AFx 4Gx 4Hx 4Jx 4Lx 4 4Nx 4 4Qx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x
13. e E E For Workstation models 1160 CPU For access remove these FRUS in order 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 1060 Keyboard on page 67 1100 Keyboard bezel assembly on page 75 1140 Speaker assembly on page 81 1150 Thermal module on page 83 Attention CPU is extremely sensitive When you service the CPU avoid any kind of rough handling Chapter 9 Removing and replacing FRU 85 Table 30 Removal steps of CPU Rotate the head of the screw in the direction shown by arrow release the lock then remove the CPU When installing Place the CPU on the CPU socket and then rotate the head of the screw in the direction shown by arrow to secure the CPU 1170 LCD unit For access remove these FRUS in order 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive 550 and storage converter on page 65 1060 Keyboard on page 67 1080 PCI Express Mini Card for wireless LAN on page 71 1090 PCI Express Mini Card for wireless WAN on page 73 1100 Keyboard bezel
14. 25 4281 4282 4284 15 SATA hard disk drive 160 GB 7 200 rpm 45N7317 4239 CTO 4240 CTO 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 25x 4281 CTO 4282 CTO 4284 CTO 15 SATA hard disk drive 250 GB 7 200 rom 4271163 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276 4281 4282 4284 130 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued SATA hard disk drive 320 GB 7 200 rpm 45N7255 4239 CTO 22x 23x 25x 46x 47x 4 4 4240 CTO 29x 2 2 2Cx 2Dx 2Fx 2 2Px 2Qx 2Rx 2Sx 2 3Bx 3Cx 3Dx 3Gx 3Jx 3Kx 3Rx 3Sx 4 4Dx 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 43x 44 48x 4242 22x 24x 27x 29x 2Bx 2Cx 2Ex 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Px 2Qx 2Rx 2Sx 2Tx 2Ux 2 2 32 35x 37x 38x 3Hx 3Jx 3Lx 3Mx 3Px 44x 4 4Hx 4Rx 4Sx 4Tx 56x 58x 59x 4243 CTO 27x 29x 3Tx 3Wx 4Bx 4Yx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24x 27 2Bx 2Fx 2Kx 4281 CTO 4282 CTO 25x 27x 29x 2 2Bx 2Ex 2Fx 2Hx 2Px 2Qx 2Rx 2Tx 2Xx 37x 38x 3Cx 3Dx 3Ex 3Fx 3Gx 3Jx 4Bx 4284 CTO 25x 3Tx 3Xx 4Ax 4Bx SATA hard disk drive 320 GB 7 200 rpm 42T1159 4239 CTO 22x
15. 3Lx 3Mx 3Rx 35 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 46x 47x 48x 49x 4 4 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Lx 4241 CTO 42x 43x 44x 45x 46x 48x 4242 CTO 22x 23x 24x 25x 2 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2Nx 2Px 20x 2Rx 28x 2 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Cx 3Dx 3Ex 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 44x 45x 46x 47x 48x 49x 4 4 4Fx 4Gx 4Hx 4Mx 4Qx 4Ux 4Vx 4Wx 4Xx AYx AZx 52x 53x 54x 55x 58x 59x 4243 CTO 3Rx 3Sx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 4Bx 4Jx 4Kx 4Ux 4 4Wx 4Xx AYx 5Ax 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 22x 23x 24x 27x 28x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2 2Wx 2Xx 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 25x 26x 29x 2 2 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 35 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 45x 4 4 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 43x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx 4244 CTO 4246 CTO Magnesium structure fra
16. 2Dx 2Cx 2Bx 4281 CTO 4282 CTO 23x 24x 25x 26x 4 4 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 4Bx 4 loms SATA hard disk drive 250 GB 5 400 rpm 45N7217 4239 34 4240 37 4241 47 4242 4243 CTO 3Rx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Dx 2Ux 2Vx 2Wx 4284 CTO SATA hard disk drive 250 GB 5 400 rpm 4271153 4239 34 4240 37 4241 47 4242 4243 3Rx 4244 4246 4249 4260 4270 4276 4281 4282 CTO 2Dx 2Ux 2 2Wx 4284 Chapter 11 Parts list 125 Table 42 Parts list Overall continued ID SATA hard disk drive 250 GB 5 400 rpm 45N7229 4239 CTO 34x 4240 CTO 3Zx 4241 CTO 47x 4242 CTO 4243 CTO 3Rx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Dx 2Ux 2Vx 2Wx 4284 CTO 15 SATA hard disk drive 250 GB 5 400 rpm 4271167 4239 34 4240 CTO 3Zx 4241 CTO 47x 4242 CTO 4243 CTO 3Rx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Dx 2Ux 2Vx 2Wx 4284 CTO 15 SATA hard disk drive 250 GB 5 400 rpm 45N7305 4239 CTO 34x 4240 3Zx 4241 47 4242 4243 3Rx 4244 4246 4249
17. 4260 4270 4276 4281 4282 2Dx 2Ux 2 2Wx 4284 CTO 126 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID SATA hard disk drive 250 GB 5 400 rpm 45N7285 4239 CTO 34x 4240 37 4241 CTO 47x 4242 CTO 4243 CTO 3Rx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Dx 2Ux 2Vx 2Wx 4284 CTO SATA hard disk drive 320 GB 5 400 rom 45N7219 4239 CTO 27x 4240 2Ex 2Jx 2Kx 2Lx 2Mx 3Hx 4241 CTO 4242 CTO 3Nx 4Qx 57x 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO SATA hard disk drive 320 GB 5 400 rom 4271155 vis 4239 CTO 27x 4240 CTO 2Ex 2Jx 2Kx 2Lx 2Mx 3Hx 4241 CTO 4242 CTO 3Nx 4 57x 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO Chapter 11 Parts list 127 Table 42 Parts list Overall continued ID SATA hard disk drive 320 GB 5 400 rpm 45N7315 4239 CTO 27x 4240 2Ex 2Jx 2 2Lx 2Mx 3Hx 4241 CTO 4242 CTO 3Nx 4Qx 57x 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 15 SATA hard disk drive 320 GB 5 400 rom 45N7307 4239 CTO 27x 4240 2Ex 2Jx 2Kx 2Lx 2Mx 3Hx 4241 CTO 4242 CTO 3Nx 4Qx 57x 4243 CTO 4244 CTO 4246 CTO 4249 CTO 426
18. 2Bx 2Fx 2Hx 2Jx 2Tx 2Ux 2Vx 2Xx 2Zx 35x 36x 37x 3Bx 3Cx 3Dx 3Fx 3Lx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 4Bx 4284 CTO 25x 4Ax 4Bx 4Dx LCD module 15 6 inch FHD LED backlight 04W1544 4239 CTO 26x 43x 4240 CTO 3Ex 4Jx 4241 CTO 4242 CTO 3Qx 4Cx 4Dx 4Fx 56x 57x 4243 CTO 3Ux 3Vx 3Wx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 23x 29x 2Ax 2Ex 2Jx 2Nx 2Px 2Qx 2Tx 2Wx 2Xx 2Yx 2Zx 33x 34x 36x 37x 39x 4281 CTO 4282 CTO 23x 24x 26x 2Cx 2Gx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 2Yx 33x 34x 3Ex 3Gx 3Hx 3Jx 3Kx 3Mx 3Nx 3Qx 3Rx 3Sx 3Zx 42x 45x 4Cx 4284 CTO 23x 24x 26x 3Wx 42x 43x 45x 49x 4Cx 4239 CTO 23x 24x 34x 37x 38x 39x 42x 44x 45x 49x 4Ax 4240 CTO 2 2Gx 2Hx 2Ux 2Vx 2Xx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Px 3Qx 3Tx 3Ux 3Wx 3Yx 47x 48x 49x 4Cx 4Fx 4Gx 4Hx 4Kx 4Lx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 22x 28x 2Sx 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 33x 36x 37x 38x 3Dx 3Px 44 47x 49 4Ax 4Gx 4Hx 4Mx 4Rx 4Sx 4Tx 40 4243 28x 3Xx 3Zx 4Bx 4Ux 4Xx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24 27x 28x 2Rx 25 2 35x 38x 4281 CTO 4282 25x 28 29 2 2Bx 2Fx 2Hx 2Jx 2Tx 2Ux 2Vx 2Xx 2Zx 35x 36x 37x 3Bx 3Cx 3Dx 3Fx 3Lx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 4Bx 4284 CTO 25x 4Ax 4Bx 4Dx Chap
19. Bei der Installation von Laserger ten wie CD ROM Laufwerken DVD Laufwerken Einheiten mit Lichtwellenleitertechnik oder Sendern Folgendes beachten 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 Werden Steuerelemente Einstellungen oder Durchf hrungen von Prozeduren anders als hier angegeben verwendet kann gef hrliche Laserstrahlung auftreten cetan 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 Chapter 1 Safety information 19 mmm nro 35 wu 891702 OBYN 25272 PNA DVD xs aw gt pn pas 57999 Sana SWN MNA7n png ue 22919 nmi 05 21339 179192 7x18 avis adm NN ON HN Masp nbn pas 879512 mrs Non AD wr 1 25 279129 Ix Now oan ys IN WS 117222 uw e 7120 AN row 295279 ab wv Class N Class miany 375 27177 a 375557 xa DYLAN 777 bN wean bN japa bN nur wean bK IND WaT UNS np ndo po nun TD wT WIRT DDYN CD ROM DVD
20. 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 VGA Information ATA Drive Info PCI Information SMBIOS Info VESA LCD Info Hardware Events Log Utility Run Enternal Tests Benchmark System DOS Shell Tech Support Form Battery Rundown Erase Drive Contents View PCDR Host Log Lenovo ThinkVantage Toolbox Lenovo ThinkVantage Toolbox is a diagnostic program that works through the Windows operating system It enables you to view symptoms of computer problems and solutions for them and includes automatic notification when action is required computing assistance advanced diagnostics and diagnostic history 30 ThinkPad 520 T520i and W520 Hardware Maintenance Manual Note The latest Lenovo ThinkVantage Toolbox is available at the following Web site http web lenovothinkvantagetoolbox com To install the latest Lenovo ThinkVantage Toolbox on the computer follow the instructions on the Web site To run this program do as follows For Windows 7 While the Windows operating system is running press the ThinkVan
21. 2Bx 2Cx 2Rx 2 27 33x 34x 3Gx 3Hx 4284 CTO 43x 49x 4Dx 5 Ericsson F5521gw Other Wireless WAN card for Malaysia 60Y3267 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276 4281 4282 4284 Chapter 11 Parts list 111 Table 42 Parts list Overall continued FRU Overall mSATA solid state drive 80GB 45N8259 4239 4240 CTO 4 4Lx 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 24x 2Ax 4281 CTO 4282 CTO 2Yx 3Jx 3Xx 3Yx 3Zx 42x 4284 CTO Intel Centrino Wireless N 1000 60Y3241 e 4239 CTO 47x 48x 49x 4Bx 4240 CTO 3Vx 3Wx 3Zx 4Bx 4Cx 4Dx 4Mx 4Nx 4241 CTO 44x 45x 46x 47x 48x 4242 CTO 4 4243 CTO 4244 CTO 4246 CTO ThinkPad 1x1 b g n Wireless LAN Express Adapter 60Y3247 4239 CTO 27x 28x 2Zx 32x 35x 36x 37x 38x 39x 3Nx 44x 4240 2 2 2Yx 3Gx 3Hx 3Jx 3Kx 3Lx 4241 CTO 42x 43x 4242 CTO 2Dx 3Bx 3Gx 47x 48x 4243 CTO 3Sx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 33x 34x 35x 4281 CTO 4282 CTO 4284 CTO 112 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID Intel Centrino Advanced N 6205 60Y325
22. 4Wx 4 e 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 23x 24x 2 2Ex 2Jx 2Nx 20x 28x 2 2 2Yx 2Zx 33x 36x 4281 CTO 4282 CTO 23x 24x 28x 2 2Lx 2Yx 2Zx 33x 34x 3Jx 3Kx 3Lx 3Mx 3Nx 3Tx 3Vx 3Wx 3Xx 3Yx 3Zx 42x 4284 CTO 23x 24x 3Wx 42x 43x 49x Thermal module for W520 55W 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 23x 24x 2 2Ex 2Jx 2Nx 20x 28x 2 2 2Yx 2Zx 33x 36x 4281 CTO 4282 CTO 23x 24x 28x 2 2Lx 2Yx 2Zx 33x 34x 3Jx 3Kx 3Lx 3Mx 3Nx 3Tx 3Vx 3Wx 3Xx 3Yx 3Zx 42x 4284 CTO 23x 24x 3Wx 42x 43x 49x 4249 CTO 4260 CTO 4270 CTO 4276 22x 23x 24x 2Ax 2Ex 2Jx 2Nx 2Qx 25 2Tx 2Xx 2 2Zx 33x 36x 4281 CTO 4282 CTO 23x 24x 28x 2 2Lx 2Yx 2Zx 33x 34x 3Jx 3Kx 3Mx 3Nx 3Tx 3Vx 3Wx 3Xx 3Yx 3Zx 42x 2 Thermal module for W520 55W 4284 CTO 23x 24x 3Wx 42x 43x 49x 04W1580 04W1581 04W0437 04W1574 04W1575 Chapter 11 Parts list 147 Table 42 Parts list Overall continued Thermal module for W520 45W 04W0438 4249 CTO 4260 CTO 4270 26x 4276 25x 27x 28x 29x 2Bx 2 2Dx 2Fx 2Gx 2Hx 2 2Lx 2 2Px 2 2Vx 2Wx 34x 35x 37x 38x 39x 4281 CTO 4282 CTO 25x 26x 27x 29x 2Ax 2Bx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Mx 2Nx 2Px 2Qx 2Rx 25 2Tx 2Ux 2Vx 2Wx 2 32x 35x 36x
23. China Hong Kong S A R 42T5035 42T5120 models xxB xxG MM Recovery discs Windows 7 Home Basic 32 bit DVDs Windows 7 Home Basic 32 bit is preinstalled as the operating system in the following models e 4239 36x 35x e 4240 3Mx 4241 42x 43x 44x 45x 46x 160 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 4242 45 46 4 47 52 4243 4244 4246 4249 4260 4270 4276 4281 4282 4284 Table 52 Parts list Windows 7 Home Basic 32 bit recovery DVDs ID Windows 7 Home Premium 64 bit DVDs Windows 7 Home Premium 64 bit is preinstalled as the operating system in the following models 4239 37x 4 4240 4241 4242 4243 4Jx 4244 4246 4249 4260 4270 4276 4281 4282 4284 46x 47x Chapter 11 Parts list 161 Table 53 Parts list Windows 7 Home Premium 64 bit recovery DVDs ID Arabic Brazilian Portuguese English English modem disabled English Danish Finnish Norwegian and Swedish English French German Italian and Dutch English Slovenian and Croatian Windows 7 Professional 32 bit DVDs Windows 7 Professional 32 bit is preinstalled as the operating system in the following models 4239 CTO 34x 4Bx 4240 C
24. e 4282 CTO 27x 2Dx 2Ex 28x 3Cx 3Dx 3Ex 3Lx 30x 3Ux 3Vx 3Wx e 4284 CTO 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 46x 47x 48x 120 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued 10 Battery pack Li ion 6 cell 4214795 4239 CTO 22x 25x 27x 28x 2Zx 32x 33x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x 4 4 4 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2Tx 2Xx 2Yx 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Qx 3Rx 35 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 4 4 4Dx 4 AFx 4Gx AKx 4Lx 4Mx 4 4Px 4 4241 26 42 43 44 45 46 47 48 4242 CTO 22x 23x 24x 25x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 39x 3Cx 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 44x 45x 46x 47x 48x 49x 4Ax ACx 4Ex 4Fx 4Gx 4Mx 40x 4Rx 45 4Tx 4Wx 4 AYx 47 52x 56x 57x 4243 CTO 29x 3Rx 38x 3Wx 3Xx 3Yx 3Zx 4Jx 4Wx 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 24x 25x 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Rx 28x 2Tx 2Vx 2Wx 34x 35x 4281
25. 23x 25x 46x 47x 4Bx 4Cx 4240 CTO 29x 2 2 2Cx 2Dx 2Fx 2 2Px 2Qx 2Rx 2Sx 2 3Bx 3Cx 3Dx 3Gx 3Jx 3Kx 3Rx 3Sx 4Bx 4Dx 4Mx 4Nx 4Px 4Qx 4241 26x 42x 43 44x 48x 4242 CTO 22x 24x 27x 29x 2Bx 2Cx 2Ex 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Px 2Qx 2Rx 2Sx 2Tx 2Ux 2 2 32 35x 37x 38x 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 44x 4 4Hx 4Rx 4Sx 4Tx 56x 58x 59x 4243 CTO 27x 29x 3Tx 3Wx 4Bx 4Yx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24x 27 2Bx 2Fx 2Kx 4281 CTO 4282 CTO 25x 27x 29x 2Ax 2Bx 2Ex 2Fx 2Hx 2Px 2Qx 2Rx 2 2Xx 37x 38x 3Cx 3Dx 3Ex 3Fx 3Gx 3Jx 4Bx 4284 CTO 25x 3Tx 3Xx 4Ax 4Bx Chapter 11 Parts list 131 Table 42 Parts list Overall continued 15 SATA hard disk drive 320 GB 7 200 rpm 45N7275 4239 CTO 22x 23x 25x 46x 47x 4Bx 4Cx 4240 CTO 29x 2 2Bx 2Cx 2Dx 2Fx 2Nx 2Px 2Qx 2Rx 2Sx 2Tx 3Cx 3Dx 3Gx 3Jx 3Kx 3Lx 3Rx 3Sx 4Bx 4Dx 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 43x 44x 48x e 4242 CTO 22x 24x 27x 29x 2 2 2 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Px 2Qx 2Rx 25 2Tx 2Ux 2 2Yx 32x 35x 37x 38x 3Hx 3Jx 3Lx 3Mx 44x 4 4Hx 4Rx 4Sx 4Tx 56x 58x 59x 4243 CTO 27x 29x 3Tx 3Wx 4Bx 4Yx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24x 27x 2Bx 2Fx 2Kx 4281 CTO 4282 CTO 25x 27x
26. 2Rx 25x 2Tx 2Ux 2 2Wx 2 2Yx 27 32x 33x 34x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 45x 4 4 4284 CTO 23x 24x 25x 26x 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 45x 46x 47x 48x 49x 4 4Bx 4Cx 4Dx LCD module 15 6 inch HD LED backlight 4239 CTO 22x 25x 27x 28x 27 32x 33x 35x 36x 3Nx 46x 47x 48x 4 4 4240 CTO 29x 2Bx 2Cx 2Dx 2 2Fx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 25 2Tx 2Yx 3Mx 3Rx 3Sx 3Xx 3Zx 46x 4Ax 4 4Dx 4 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 23x 24x 25x 27x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 2Zx 32x 34x 35x 39x 3Ax 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 45x 46x 48x 4 4 4 AWx 4 4 AZx 52x 53x 54x 55x 58x 59x 4243 CTO 27x 29x 3Rx 3Sx 3Yx 4Jx 4 4 AWx 4 5Ax 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 26x 4276 25x 2Bx 2Cx 2Dx 2Fx 2Gx 2Hx 2Kx 2Lx 2Mx 4281 CTO 4282 CTO 27x 2Dx 2 28x 2Wx 32x 38x 4284 CTO 3Tx 3Ux 3Vx 3Xx 3Zx 46x 47x 48x 04W1363 04W0428 Chapter 11 Parts list 153 Table 43 Parts list ThinkPad T520 T520i and W520 LCD FRUS continued EI FRU
27. 37x 38x 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Px 30x 3Rx 3Sx 3Ux 45x 4Bx 4 4284 CTO 25x 26x 3Ux 3Vx 3Xx 3Yx 3Zx 45x 46x 47x 48x 4 4 4 ADx Thermal module for W520 45W 04W1576 N 4249 CTO 4260 CTO 4270 CTO 26x 4276 25x 27x 28x 29x 2Bx 2Cx 2Dx 2Fx 2Gx 2Hx 2Kx 2Lx 2Mx 2Px 2Rx 2Vx 2Wx 34x 35x 37x 38x 39x 4281 CTO e 4282 CTO 25x 26x 27x 29x 2 2Bx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Mx 2Nx 2Px 2Qx 2Rx 25 2Tx 2Ux 2Vx 2Wx 2 32x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Gx 3Hx 3Px 3Qx 3Rx 35 3Ux 45x 4 4 4284 CTO 25x 26x 3Ux 3Xx 3Yx 3Zx 45x 46x 47x 48x 4 4 4 4Dx Smart Card module 04W1564 N 4239 CTO 22x 25x 2Zx 32x 33x 3Nx 4Cx 4240 CTO 2Ux 2Vx 2Xx 2Yx 47x 4241 CTO 4242 CTO 2 2Fx 2Lx 2Vx 3Fx 3Gx 3Jx 3Kx 3Lx 3Qx 44x 4Ex 4Fx 4Gx 4Hx 4Qx 58x 59x 4243 CTO 3Wx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 23x 24x 25x 2Rx 2Sx 2Tx 36x 4281 CTO 4282 CTO 28x 29x 2Ax 2Bx 2Cx 2Ux 2Vx 2Yx 2Zx 32x 33x 3Kx 3Lx 3Px 3Qx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 45x 4Bx 4Cx 4284 CTO 48x 4Bx 4Cx 4Dx 2 see Keyboard page 156 Thermal module for W520 45W 04W1577 N 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 25x 27x 28x 29x 2Bx 2Cx 2Dx 2Fx 2Gx 2Hx 2Kx 2Lx 2Mx 2Px 2Rx 2Vx 2Wx 34x
28. 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 45x 4 4284 CTO 23x 24x 25x 26x 3Ux 3Wx 3Xx 3Yx 3Zx 42x 43x 45x 46x 47x 48x 49x 4 4 ADx 3 Hinge kit touch panel 60Y5487 N e 4249 CTO e 4260 CTO 4270 CTO 4276 CTO 22x 4281 CTO 4282 CTO 4284 CTO 00000 LED cable touch panel 04W1715 4249 e 4260 CTO 4270 4276 22 4281 4282 4284 Antenna kit 45M2897 IN Antenna kit 45M2898 Chapter 11 Parts list 151 Table 43 Parts list ThinkPad T520 T520i W520 LCD FRUS continued 5 FRU ThinkPad T520 T520i and W520 LCD CRU D 5 Antenna kit 45M2899 LCD rear cover assembly 04W1567 LCD cover assembly touch panel 04W1568 N 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 4281 CTO 4282 CTO 4284 CTO EM 7 Clear plate 04W1566 LCD cable 04W1565 LED sub card without microphone 04W1362 N e 4239 CTO e 4240 CTO 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 152 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 43 Parts list ThinkPad 520 T520i W520 LCD FRUS continued m FRU ThinkPad T520 T520i and W520 LCD ID LED sub card with microphone 4239 CTO 22x 23x 24x 25x 26x 27x 28x 2Zx 32x 33x 34x 35x 36x 37x 38x 39
29. 3Zx ABx 4Ux 4 AWx 4 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 22x 23x 24x 25x 27x 28x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2Nx 2Px 2Qx 2Rx 25 2Tx 2Vx 2Wx 2Xx 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x 4281 CTO 4282 CTO 23x 24x 25x 26x 27x 28x 2Ax 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2 2 2Qx 2Rx 25 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Gx 3Jx 3Kx 3Lx 3Mx 3Nx 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 45x 4 4 e 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 45x 49x 4Ax 4Cx 4Dx Table 55 Parts list Windows 7 Professional 64 bit recovery DVDs Chapter 11 Parts list 163 Table 55 Parts list Windows 7 Professional 64 bit recovery DVDs continued CONT Common service tools Table 56 Parts list Common service tools Screwdriver kit 1 4 drive spinner handle 1 4 Sq to 1 4 hex torx adapter TR7 TR 10 tamper resistant torx bits Antenna RF connector removal tool USB 2 0 CD RW DVD ROM combo drive II 40Y8687 USB cable 40Y8704 USB floppy diskette drive for maintenance diskette 05K9283 USB floppy diskette drive tool kit 27L3452 Test card for integrated Smart Card 42W7820 LENOVO ThinkPad Hardware Maintenance
30. 4Ux 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 2Dx 2Hx 2Mx 2Px 35x 4281 CTO 4282 CTO 26x 27x 2Gx 2Ux 2Vx 2Xx 3Dx 3Wx 4 4284 CTO 26x 3Zx 48x 4 17 CPU assembly Intel Core i7 2630QM Processor 2 00 GHz 04W1801 4239 CTO 4240 CTO 4Jx 4241 CTO 4242 CTO 4243 CTO 5Ax 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 3Xx 4284 CTO 4Dx Chapter 11 Parts list 141 Table 42 Parts list Overall continued CPU assembly Intel Core i7 2720QM Processor 2 20 GHz 4239 CTO 4240 CTO 3Qx 4241 CTO 4242 CTO 4Cx 4Fx 54x 4243 3Ux 4Jx 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 27x 28x 2Ex 2Jx 2Nx 2Qx 2Tx 2Vx 2Wx 2Xx 34x 37x 38x 4281 CTO 4282 CTO 24x 28x 29x 2Ax 2Dx 2Ex 28x 36x 37x 38x 3Gx 3Jx 3Lx 3Mx 3Nx 35 3Yx 4 4284 CTO 24x 3Wx 42x 46x 47x ACx CPU assembly Intel Core i7 2820QM Processor 2 30 GHz 04W1361 4239 CTO 4240 CTO 4241 CTO 4242 CTO 4Dx 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 29x 2Yx 22x 33x 39x 4281 CTO 4282 CTO 23x 2Bx 2Fx 2Jx 2 2Lx 2 2Px 20x 2Rx 2Tx 2 3Hx 3Kx 30x 32x 45x 4284 CTO 23x 45x 49x CPU assembly Intel Core i7 2920XM Processor 2 50 GHz 04W1510 4249 CTO 4260 CTO 4270 CTO 4276 23x 2Ax 36x 4281 CTO 4282
31. FRU or action in sequence System board 1 Run ThinkPad Setup Press F9 and Enter to load the default setting Then save the current setting by pressing F10 2 System board System board System board System board 1 Run ThinkPad Setup and then save current setting by pressing F10 2 System board 1 Run ThinkPad Setup and then save the current setting by pressing F10 2 System board 1 Charge the backup battery for more than 8 hours by connecting the ac adapter 2 Replace the backup battery and run ThinkPad Setup to reset the time and date Run ThinkPad Setup to reset the time and date 40 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 2 error codes continued Symptom or error 1802 Unauthorized network card is plugged in Turn off and remove the network card 1820 More than one external fingerprint reader is attached Power off and remove all but the reader that you set up within your main operating system 2000 Hard Drive Active Protection sensor diagnostics failed Press lt Esc gt to continue Press lt F1 gt to enter SETUP 2100 Detection error on HDD0 Main HDD 2101 Detection error on HDD1 Ultrabay HDD 2102 Detection error on HDD2 Mini SATA 2110 Read error on HDDO Main HDD 2111 Read error on HDD1 Ultrabay HDD 2112 Read error on HDD2 Mini SATA FRU or action in sequence 1 Remove Mini PCI network card 2 Sys
32. and one short beep Only the cursor appears Reinstall the operating system Four cycles of four short beeps and a blank screen System board security chip Five short beeps and a blank screen System board 42 ThinkPad T520 T520i and W520 Hardware Maintenance Manual No beep symptoms Table 5 No beep symptoms Symptom or error FRU or action in sequence No beep power on indicator on LCD blank and no 1 Make sure that every connector is connected POST 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 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 Note This policy applies to all ThinkPad Notebooks purchased on 1 January
33. 2Ex 2Fx 2Gx 2Hx 2Jx 2 2Lx 2Mx 2Nx 2Px 20x 2Rx 22x 32x 34x 35x 39x 3Ax 3Bx 3Cx 3Ex 3Fx 3Gx 3Hx 3Jx 3Lx 3 3Nx 45x 46x 48x 4Ex 40x 4 4Wx 4Xx 4 AZx 52x 53x 54x 55x 58x 59x 4243 CTO 27x 29x 3Rx 33x 4Jx 4Kx 4 AWx 4Yx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 25x 2 2 2Dx 2Fx 2Gx 2 2 2Lx 2 4281 CTO 4282 CTO 27x 2Dx 2Ex 2Sx 2Wx 32x 38x 4284 CTO 3Tx 3Ux 3Xx 3Yx 32x 46x 47x 48x 154 ThinkPad 7520 T520i W520 Hardware Maintenance Manual Table 43 Parts list ThinkPad T520 T520i W520 LCD FRUS continued FRU ThinkPad T520 T520i 520 LCD 18 LCD module 15 6 HD LED backlight 42T0743 LCD module 15 6 inch HD LED backlight 93P5681 N 4239 23 24 34x 37x 38x 39 42x 44x 45 49 4 4240 CTO 2Ax 2Gx 2Hx 2Ux 2Vx 2Xx 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Px 3Qx 3Tx 3Ux 3Wx 3Yx 47x 48x 49x 4Cx 4Fx 4Gx 4Hx 4Kx 4Lx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 22x 28x 2Sx 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 33x 36x 37x 38x 3Dx 3Px 44 47x 49 4Ax 4Gx 4Hx 4Mx 4Rx 4Sx 4 40 4243 CTO 28x 3Tx 3Xx 3Zx 4Bx 4Ux 4Xx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 24 27x 28x 2Rx 25 2 35x 38x 4281 CTO 4282 25 28 29 2
34. 2Ux 2 2 32 35x 37x 38x 3Hx 3Jx 3Lx 3Mx 3Px 44x 4 4Hx 4Rx 4Sx 4Tx 56x 58x 59x 4243 CTO 27x 29x 3Tx 3Wx 4Bx 4Yx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24x 27 2Bx 2Fx 2Kx 4281 CTO 4282 CTO 25x 27x 29x 2 2Bx 2Ex 2Fx 2Hx 2Px 2Qx 2Rx 2Tx 2Xx 37x 38x 3Cx 3Dx 3Ex 3Fx 3Gx 3Jx 4Bx 4284 CTO 25x 3Tx 3Xx 4Ax 4Bx SATA hard disk drive 500 GB 7 200 rpm 45 7257 4239 24x 28x 2Zx 32x 33x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 48x 49x 4 4240 2Gx 2Hx 2Ux 2Xx 2Yx 3Ex 3Mx 3Px 3Qx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 46x 47x 48x 49x 4 ACx 4 4Fx 4Gx 4Hx 4Jx 4 4Lx 4241 CTO 45x 46x 4242 CTO 23x 28x 2Dx 2Nx 2Vx 2Wx 33x 36x 39x 3Ax 3Bx 3Cx 3Dx 3Qx 45x 46x 47x 48x 49x 4 4Cx 4Dx AFx 4Gx 4Mx 4Ux 4 4Wx 4 4Yx AZx 52x 53x 54 55 4243 CTO 28x 35 3Ux 3Vx 3Xx 3Zx 4Jx 4Kx 4Ux 4 AWx 4Xx 5Ax 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 23x 28x 29x 2Ax 2 2Dx 2 2Gx 2Hx 2Jx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2Tx 2Vx 2Wx 2 2Yx 33x 34x 35x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 26x 28x 2 2Gx 2Jx 2Kx 2Lx 2Mx 2 2Yx 2Zx 33x 34x 35x 36x 3Bx 3Hx 3Kx 3Lx 3Mx 3Nx 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 45x 4Cx 4284 CTO
35. 35x 37x 38x 39x 4281 CTO e 4282 25x 26x 27x 29x 2 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Mx 2Nx 2Px 2Qx 2Rx 2Sx 2Tx 2Ux 2Vx 2Wx 2Xx 32x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Px 3Qx 3Rx 3Sx 3Ux 45x 4Bx 4Cx 4284 CTO 25x 26x 3Tx 3Ux 3Vx 3Xx 3Yx 3Zx 45x 46x 47x 48x 4Ax 4Bx 4Cx 4Dx 148 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID rem ge ses s EH AC adapter see AC adapters on page 158 LCD FRUs In ThinkPad T520 T520i and W520 there are following types of LCDs 15 6 inch High Definition HD LED backlight LCD 15 6 inch HD LED backlight LCD 15 6 inch Full High Definition FHD RG ph LED backlight LCD 15 6 inch Full High Definition FHD RG ph LED backlight LCD with Multi touch panel Chapter 11 Parts list 149 Table 43 Parts list ThinkPad T520 T520i and W520 LCD FRUs FRU ThinkPad T520 T520i and W520 LCD CRU ID 1 LCD bezel assembly 60Y5482 1 LCD bezel assembly touch panel 60Y5483 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 4281 CTO 4282 CTO 4284 CTO 150 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 43 Parts list ThinkPad 520 T520i W520 LCD FRUS continued FRU ThinkPad 520 520 and W520 LCD e Integrated camera 2 0 MP 04W1364 e 4239 22x 23x 24x 25x 26x 27x 28x 2Zx 32x 3
36. 38x 39x 3Ax 3Nx 42x 43x 44x 45x 48x 49x 4Ax 4240 CTO 2Gx 2Hx 2Ux 2Xx 2 3Ex 3Mx 3Qx 3Tx 3Ux 3Wx 3Xx 3Yx 46x 47x 48x 49x 4Ax 4Cx 4 4 4Gx 4Hx 4Jx 4Kx 4Lx e 4241 CTO 45x 46x 4242 CTO 23x 28x 2Dx 2Nx 2 2Wx 33x 36x 39x 3Bx 3Cx 3Dx 3Qx 45x 46x 47x 48x 49x 4Ax 4Cx 4Dx 4Fx 4Gx 4Mx 4Ux 4Vx 4Wx 4Xx 4 47 52x 53x 54x 55x 4243 CTO 28x 3Sx 3Ux 3Vx 3Xx 3Zx 4Jx 4 4Ux 4Vx AWx 4Xx 5Ax 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 23x 28x 29x 2 2Cx 2Dx 2Ex 2Gx 2 2Jx 2Lx 2 2 2Px 2Qx 2Rx 2Sx 2Tx 2Vx 2Wx 2Xx 2Yx 33x 34x 35x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 26x 28x 2 2Gx 2Jx 2 2Lx 2Mx 2Nx 2Yx 2Zx 33x 34x 35x 36x 3Bx 3Hx 3Kx 3Lx 3Mx 3Nx 3Qx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 7 42x 45x 4Cx 4284 CTO 23x 24x 26x 3Ux 3Vx 3Wx 3Yx 3Zx 42x 45x 46x 47x 48x 49x 4 4Dx 194 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID SATA 2 5 solid state drive 128 GB 7 mm height 45N7995 4239 CTO 26x 4240 CTO 2Vx 4241 CTO 4242 CTO 25x 2Fx 27 34x 3Gx 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 15 SATA 2 5 solid state dr
37. 3Wx 43x 49x System board assembly for W520 Q3 AMT non TPM no RAID adapter e 4249 CTO e 4260 CTO 4270 CTO 4276 2Jx 36x 4281 CTO 4282 CTO 4284 CTO 42x System board assembly for W520 Q1 AMT TPM with RAID adapter e 4249 CTO e 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Mx 4284 CTO System board assembly for W520 Q1 AMT non TPM with RAID adapter 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO System board assembly for W520 Q3 AMT TPM with RAID adapter 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Cx 2Lx 33x 3Zx 42x 4284 CTO System board assembly for W520 Q3 AMT non TPM with RAID adapter 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 138 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 04W2029 CRU ID Table 42 Parts list Overall continued System board assembly for W520 Q1 non AMT TPM no RAID adapter 04W2036 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO CRU ID System board assembly for W520 Q1 non AMT non TPM no RAID adapter 04W2038 4249 CTO e 4260 CTO e 4270 CTO 4276 CTO 34x 35x 4281 CTO 4282 CTO 4284 CTO System board assembly for W520 Q3 non AMT TPM no RAID adapter 04W2037 4249 CTO e 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO System board assembly for W520 Q3 non AMT non TPM no RAID adapter 04W2039 4249 CTO 4260 CTO 42
38. 4 Follow the correct sequence in the steps for removing the FRU as given in the drawings 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 the 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 10 Locations on page 103 8 When replacing a FRU use the correct screw 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 Copyright Lenovo 2011 59 Before servicing ThinkPad 520 T520i and W520 Table 9
39. 45x 49x 4 4 4 4Dx Base cover assembly integrated 04W1587 e 4239 CTO 22x 25x 27x 28x 2Zx 35x 3Nx 46x 47x 48x 49x ABx 4 4240 CTO 29x 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Jx 2 2Lx 2Mx 28x 2 2Xx 3Bx 3Cx 3Hx 3Jx 3Lx 3Mx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Zx 46x 4 4 4Dx 4Ex 4Kx 4Mx 4Nx 4Px 4 4241 CTO 26x 42x 47x 48x 4242 CTO 22x 23x 24x 25x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2 20x 2Rx 22x 32x 34x 39x 3Ax 3Cx 3Fx 3Hx 3Kx 3Mx 3Nx 3Px 44x 45x 47x 48x 4Ax 4Ex 40x 4Rx 45 4Wx 56x 57x 58x e 4243 CTO 29x 3Rx 3Sx 3Wx 3Xx 3Yx 32x 4Bx 4Wx 4Yx Chapter 11 Parts list 123 Table 42 Parts list Overall continued ID 11 Base cover assembly discrete 04W1673 N 4239 CTO 23x 24x 26x 32x 33x 34x 36x 37x 38x 39x 42x 43x 44x 45x 4 4240 2 2 2Nx 2Px 2Qx 2Rx 2Ux 2Vx 2Yx 3Dx 3Gx 3Qx 3Xx 3Yx 47x 48x 49x 4 AFx 4Gx 4Jx ALx 4241 CTO 43x 44x 45x 46x 4242 CTO 27x 28x 2Jx 2Kx 2Lx 2Mx 2Nx 25 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 33x 35x 36x 37x 38x 3Dx 3Gx 3Jx 3Lx 3Qx 46x 49x 4Cx 4Dx 4Fx 4Gx 4Hx 4Mx 4 4Ux 4 4 AYx AZx 52x 53x 54x 55x 59x e 4243 27x 28x 3Ux 3Vx 4Jx 4Ux 4 4Xx 5Ax e 4244 CTO e 4246 CTO Base cover assembl
40. 9 AUS DI 47 AS SES Egas MAAE AAG sad BE ASS BAB Ie 14 ThinkPad T520 520 and W520 Hardware Maintenance Manual A Antes de encender el sistema despues de sustituir una FRU compruebe que todos los tornillos muelles y dem s piezas peque as 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 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 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 quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni cali
41. CTO e 4282 CTO 27x 2Dx 2Ex 28x 3Cx 3Dx 3Lx 30x 3Ux 3Vx 3Wx e 4284 CTO 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 46x 47x 48x Battery pack Li ion 6 cell 42T491 1 e 4239 CTO 22x 25x 27x 28x 2Zx 32x 33x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x 4 4 4 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2Tx 2Xx 2Yx 3Bx 3Ox 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Qx 3Rx 35 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 4 ACx 4Dx 4 AFx 4Gx AKx 4Lx 4Mx 4 4 4241 26 42 43 44 45 46 47 48 e 4242 22x 23x 24x 25x 29x 2 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 39x 3Cx 3Dx 3Ex 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 44x 45x 46x 47x 48x 49x 4Ax ACx 4Ex AFx 4Gx 4Mx 40x 4Rx 45 4Tx 4Wx 4 4Yx 47 52x 56x 57x 4243 CTO 29x 3Rx 35 3Wx 3Xx 3Yx 3Zx 4Jx 4Wx 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 24x 25x 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Rx 28x 2 2Vx 2Wx 34x 35x 4281 CTO e 4282 CTO 27x 2Dx 2Ex 28x 3Cx 3Dx 3Ex 3Lx 30x 3Ux 3Vx 3Wx e 4284 CTO
42. Diskette Version 1 76 or later Note Download the file from the following Web site http www lenovo com support 164 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Appendix Notices Lenovo may not offer the products services or features discussed in this document 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 not 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 PARTICULAR PURPOSE Some jurisdictions do not al
43. Entz ndung oder Explosion f hren 10 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 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 unsachgem behandelt wird oder der Computer auf den Boden 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 anschlie end 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 Kurzschlu oder Erdung genug Strom abgeben um brennbare Materialien zu entz nden oder Verletzungen bei Personen hervorzurufen A VORSICHT 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 inno DANN OP HPIN ean 22v v FRU nebryn ANNI AYMAN NIYIN 9309 AUNAN NN 20202 v TNT NTND Tina MI DYWAN o DOWNI
44. 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 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 Example 1829 CTO Custom Model Variant CMV This is a unique configuration that has been negotiated between 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 Example 1829 CTO 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 24 ThinkPad T520 T520i and W520 Hardware Maintenance Manual e eSupport will show both the CTO CMV machine type models Example 1829 CTO and 1829 W15 will be found on the eSupport site The HMM will have the 4 digit MT and 3 digit CTO model only Example 1829 CTO Again CMVs are custom mod
45. Premium 64 bit DVDs Windows 7 Professional 32 bit DVDs Windows 7 Professional 64 bit DVDs Common service tools Appendix A Notices Electronic emissions notices Trademarks 103 104 105 107 108 149 156 157 158 159 160 160 161 162 163 164 165 166 166 About this manual This manual contains service and reference information for the following ThinkPad products ThinkPad T520 and T520i MT 4239 4240 4241 4242 4243 4244 and 4246 ThinkPad W520 MT 4249 4260 4270 4276 4281 4282 and 4284 Use this manual along with the advanced diagnostic tests to troubleshoot problems 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 23 Copyright Lenovo 2011 v Vi ThinkPad 520 T520i and W520 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 Ground
46. Removal steps of SIM card Some models of the ThinkPad T520 T520i and W520 you are servicing might have the SIM card that the customer has installed If the computer you are servicing has the SIM card remove it before you start the servicing To remove the SIM card you need to remove the battery pack first See 1010 Battery pack on page 60 After you finish the servicing make sure that you insert the card back into the slot firmly 1010 Battery pack Important notice for replacing a battery pack ThinkVantage Toolbox have an automatic battery diagnostic that determines if the battery pack is defective A battery pack FRU should not be replaced unless this diagnostic shows that the battery is defective The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue If 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 non warranty replacement Table 10 Removal steps of battery pack Use only the battery specified the parts list your computer Any other battery could ignite or explode Unlock the battery latch El Holding the battery latch in the unlocked position El remove the battery pack in the direction shown by arrow 60 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 10 Re
47. Status indicators continued Caps lock Y eh Sleep standby for Windows XP status amp Battery status Color sensor status Green Blinking green Green Orange Fast blinking orange Slow blinking orange Slow blinking green Quick blinking orange The battery status indicator is off Green Blinking green Caps Lock mode is enabled To enable or disable Caps Lock mode press the Caps Lock key The computer is in sleep standby mode The computer is entering sleep standby mode or hibernation mode or is resuming normal operation The battery has more than 20 charge The battery has between 5 and 20 charge The battery has less than 5 charge Note The battery may be charging The battery is being charged When it reaches 20 the blinking color changes to green The battery has between 20 and 80 charge and charging is continuing When the battery reaches 80 charge blinking stops but the charging may continue until the battery is 100 charged Note If the computer is operating on battery power the battery status indicator does not work while the computer is turned off or is in sleep standby mode or hibernation mode An error has been occurred in the battery The battery pack of the computer is detached Calibration is complete When the lid is opened the indicator turns off Display colors are being calibrated Chapter 6 Status i
48. T520 T520i and W520 Hardware Maintenance Manual Table 21 Removal steps of PCI Express Mini for wireless WAN continued Note Plug the orange cable into the jack labeled MAIN and the blue cable into the jack labeled AUX on the card 1100 Keyboard bezel assembly For access remove these FRUS in order e 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 1060 Keyboard on page 67 Attention Before removing the keyboard bezel assembly make sure that you have removed ExpressCard blank bezel or any card in the slot Table 22 Removal steps of ExpressCard blank bezel or ExpressCard When you press the ExpressCard blank bezel or ExpressCard El it pops out Ell Chapter 9 Removing and replacing aFRU 75 Table 22 Removal steps of ExpressCard blank bezel or ExpressCard continued When installing Make sure that the bezel or the card is correctly oriented as shown in this figure Table 23 Removal steps of keyboard bezel assembly Note The speaker assembly is attached to the keyboard bezel Step Screw quantity Torque M2 x 4 mm bind head nylon coated 4 Black 0 181 Nm 1 85 kgfcm H M2 x 14 mm bind head nylon coated 7 Black 0 181 Nm 1 85 kgfcm 76 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 23 Removal steps of keyboard bezel assembly continued 1110 Bluetooth daughter card BDC 3 0 For access remove these FRUS in order 11
49. T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID 4 GB DDR3 1333 SDRAM SO DIMM card 55Y3717 4239 24x 26x 34x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 4 4 4240 CTO 29x 2 2Cx 2Dx 20 2Vx 3Dx 3Jx 3Kx 3Lx 3Px 30x 3Rx 3Ux 46x 47x 48x 49x 4 4 AFx 4Gx 4Hx 4Jx AKx ALx 4241 CTO 4242 22x 24x 25x 2 2 2Fx 2Gx 2Jx 2Kx 2Lx 2Mx 2 25 2Tx 2Ux 2 2Wx 2Xx 2 2Zx 32x 33x 34x 35x 36x 37x 38x 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 30x 47x 48x 49x AAx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx ATx 4Ux 4Vx AWx 4Yx 53x 54x 55x 58x 59x 4243 CTO 3Rx 3Tx 3Ux 3Vx 3Wx 3Zx 4Bx 4Jx 4Kx 4Ux 4Vx 4Wx 4Xx 4244 CTO 4246 4249 4260 4270 26 4276 22 23 27 28 29 2 2 2 25 2 2Wx 2 2 27 33x 34x 35x 36x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 26x 27x 28x 29x 2 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 25 2Tx 2Ux 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Dx 3Fx 3Jx 3Kx 3Lx 3Mx 3Nx 3Qx 3Rx 3Sx 3Tx 3Wx 3Xx 3Yx 3Zx 42x 45x 4 4 e 4284 CTO 23x 24x 26x 46x 47x 48x 49x 4Ax 4Bx ACx 4Dx DIMM dummy card for workstation models 04W1395 s
50. ThinkPad alterations 7 Check inside the unit for any obvious unsafe conditions such as metal filings 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 2 Make sure that the ESD protective devices you use have been certified ISO 9000 as fully effective Chapter 1 Safety information 3 When handling ESD sensitive parts Keep the parts in protective packages until they are inserted into the product 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
51. assembly on page 75 86 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 31 Removal steps of LCD unit Screwcap Screw quantity Step 0 392 Nm 2 nylon coated wafer M2 5 x 6 mm 4 0 kgfcm 0 392 Nm coated 2 c 9 gt L G z a gt 4 0 kgfcm Torque Screw quantity Step 0 392 Nm 2 head nylon coated M2 5 x 6 mm wafer 4 0 kgfcm Chapter 9 Removing and replacing FRU 87 Table 31 Removal steps of LCD unit continued Step Screw quantity Torque M2 x 4 mm wafer head nylon coated 2 0 181 Nm 1 85 kgfcm When installing e Make sure that you attach the LCD connector firmly Make sure that you route the cables firmly and tape up in the proper positions as shown in this figure When you route the cables make sure that they are not subjected to any tension Tension could
52. cause the cables to be damaged by the cable guides or a wire to be broken 88 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 31 Removal steps of LCD unit continued 1180 Base cover assembly For access remove these FRUS in order e 1010 Battery pack on page 60 1020 Serial Enhanced device or travel bezel on page 61 1030 DIMM slot cover on page 62 e 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive SSD and storage converter on page 65 1060 Keyboard on page 67 1080 PCI Express Mini Card for wireless LAN on page 71 1090 PCI Express Mini Card for wireless WAN on page 73 1100 Keyboard bezel assembly on page 75 e 1110 Bluetooth daughter card BDC 3 0 on page 77 e 1120 Backup battery on page 78 1130 Smart Card or Smart Card dummy spacer on page 79 1140 Speaker assembly on page 81 1150 Thermal module on page 83 e 1170 LCD unit on page 86 Chapter 9 Removing and replacing a FRU 89 Table 32 Removal steps of base cover assembly Step Screw quantity Torque M2 x 3 mm wafer head nylon coated 1 Silver 0 181 Nm 1 85 kgfcm H M2 x 14 mm wafer head nylon coated 2 Black 0 181 Nm 1 85 kgfcm M2 x 4 mm wafer head nylon coated 1 Black 0 181 Nm 1 85 kgfcm Note Applying labels to the base cover The new base cover FRU is ship
53. computer display and an external monitor If an external monitor is attached computer output is displayed in the following three patterns by turns External monitor CRT display Computer display and external monitor LCD CRT display Computer display LCD Notes This function is not supported if different desktop images are displayed on the computer display and the external monitor the Extend desktop function This function does not work while a DVD movie or a video clip is playing As for ThinkPad W520 models the CRT connector does not work in the DOS environment at NVIDIA Optimus mode or Integrated Graphics mode you need to change to Discrete Graphics mode to turn on the CRT monitor If there is no display to change the ThinkPad Setup setting press F7 to switch to the Discrete Graphics mode right after power on To enable this function start Presentation Director and change the settings Note Multiple users can log on to a single operating system by using different user IDs Each user needs to do the following Click Start gt Programs ThinkVantage Presentation Director and change the Fn F7 settings Fn PgUp Put the computer into hibernation mode To return to normal operation press the power button for less than four seconds Notes To use this combination of the keys ThinkPad PM device driver must have been installed on the computer Though the screen fades out immediately after Fn F12
54. contain a small amount of nickel and cadmium Do not disassemble a standby battery recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery 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
55. 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 Para evitar choque el trico nao remova a capa plastica 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 inflamaveis A PERIGO A menos que uma hot swap seja permitida para a FRU que esta sendo substituida seguinte antes de remov la desligue computador desconecte todos os cabos de energia das tomadas remova pacote de baterias e desconecte quaisquer cabos de interconexao A DANGER Avant de remettre l ordinateur sous tension apr s remplacement d une unit en clientele v rifiez que tous les ressorts vis et autres pieces 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 pieces m talliques ou des copeaux de m tal pourraient causer un court circuit DANGER 8 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Certaines batteries de secours contiennent du nickel et du cadmium Ne les d montez pas les rechargez p
56. on by default The wireless LAN feature the IEEE 802 11 b g standard 802 11 a b g or 802 11n wireless WAN feature or WiMax feature is on and the radio link is ready for use Data is being transmitted The Bluetooth wireless feature is on and the radio link is ready for use Data is being transmitted Data is being read from or written to the hard disk drive the diskette drive or the drive in the Serial Ultrabay Enhanced device When this indicator is on do not put the computer into sleep standby mode or turn off the computer Note Do not move the system while the green device access light is on Sudden physical shock could cause drive errors Power on Serial Ultrabay Enhanced device status Green Blinking green Turn off Fingerprint reader status EI Blinking green Green Blinking orange 48 ThinkPad T520 T520i and W520 Hardware Maintenance Manual The computer is on and ready to use This indicator stays lit around the power on button whenever the computer is on and is not in sleep standby mode A Serial Ultrabay Enhanced device is installed and in use A Serial Ultrabay Enhanced device is in the process of being detached A Serial Ultrabay Enhanced device is ready to be attached or detached The fingerprint reader is ready to swipe The fingerprint is being authenticated or has been authenticated The fingerprint could not be authenticated Table 7
57. select Automatic to enable it After you use the TrackPoint the pointer may drift on the screen for a short time This drift can occur when a slight steady pressure is applied to the TrackPoint pointer 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 e Interactive Tests gt Mouse Touch Pad If the Touch Pad does not work check the configuration as specified in the ThinkPad Setup 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 1 Turn off the computer Remove the battery pack Connect the ac adapter Check that power is supplied when you turn on the computer Turn off the computer Disconnect the ac adapter and install the charged battery pack Check that the battery pack supplies power when you turn on the computer cho om If you suspect a power problem see the appropriate one of the following power supply checkouts e Checking the ac adapter on page 33 e Checking operational charging on page 33 e Checking the battery pack on page 33 e Checking the backup battery on page 34 32 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Checking the adapter
58. state of each feature in the list Notes If you want to use Fn F5 to enable or disable the wireless features the following device drivers must be installed on the computer beforehand Power Management driver e OnScreen Display Utility Wireless device drivers Fn F6 Change the camera and audio settings When you press Fn F6 the camera and audio setting window is opened and the camera preview turned Note The camera settings area only appears if the computer has an integrated camera Fn F7 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 change the settings Note If the computer is an Windows 7 model it does not support presentation schemes however the Fn F7 combination might still be used to switch display output location Copyright Lenovo 2011 51 Table 8 key combinations continued For Windows 7 Switch between the computer display and an external monitor Windows will show these display options Computer display only LCD Computer display and external monitor same image Computer display and external monitor extended desktop function 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
59. 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 9696 of the total power remains under this condition the battery pack can charge to 10096 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 Chapter 3 General checkout 33 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 ege vg 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 indi
60. the power cord quickly Do not work alone under hazardous 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 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 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
61. 0 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 15 SATA hard disk drive 320 GB 5 400 rom 45N7287 4239 CTO 27x 4240 2 2Jx 2Kx 2Lx 2Mx 3Hx 4241 CTO 4242 CTO 3Nx 4Qx 57x 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 128 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued FRU Overall w CRU SATA hard disk drive 160 GB 7 200 rpm 45N7251 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276 25 4281 4282 4284 15 hard disk drive 160 7 200 42 1157 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276 25 4281 4282 4284 15 SATA hard disk drive 160 GB 7 200 rpm 45N7271 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276 25 4281 4282 4284 Chapter 11 Parts list 129 Table 42 Parts list Overall continued FRU Overall CRU SATA hard disk drive 160 GB 7 200 rpm 4211169 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276
62. 0711 AN TEN nn3n5 IN 35 prova 220 A mon 395 wya qprmpn FRU n bw nno ON NON DN 55 NN NIINON IND MN WONN Dispunn hf 525 55 NN Yo avnbn NN 129 FRU ThinkPad T ThinkPad ThinkPad 12 ThinkPad T520 T520i and W520 Hardware Maintenance Manual CR EE 2227 PERDA EIERN 22 72 22
63. 20 Hardware Maintenance Manual 1150 Thermal module For access remove these FRUS in order 1030 DIMM slot cover on page 62 1100 Keyboard bezel assembly on page 75 1140 Speaker assembly on page 81 1010 Battery pack on page 60 1060 Keyboard on page 67 Table 29 Removal steps of thermal module When installing Make sure that the connectors are attached firmly EN RAIN A DAAD 52 CR Note Loosen the screws in order but do not remove them Some models do not have screws E skip step El For those models Chapter 9 Removing and replacing a FRU 83 Table 29 Removal steps of thermal module continued When installing Before you attach the fan assembly to the computer apply thermal grease at an amount of 0 2 grams on the parts marked E 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 fan you need to peel the thin film off from the rubbers marked 3 For Switchable Graphics models 84 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 29 Removal steps of thermal module continued For Integrated Graphics models
64. 2008 or later Lenovo will not provide replacement if the LCD is within specification as we cannot guarantee that any replacement LCD will have zero pixel defects e One pixel consists of R G B sub pixels Table 6 LCD related symptoms Symptom or error FRU or action in sequence beep power on indicator on and a blank LCD during System board POST e LCD backlight not working Reseat the LCD connectors e LCD too dark 5 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 Chapter 4 Related service information 43 2 If no error is detected do not replace 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 proble
65. 23x 24x 26x 3Ux 3Wx 3Yx 3Zx 42x 45x 46x 47x 48x 49x 4 40 Chapter 11 Parts list 133 Table 42 Parts list Overall continued SATA hard disk drive 500 GB 7 200 rpm 45 7277 4239 CTO 24x 28x 2Zx 32x 33x 35x 36x 37x 38x 39x 3Ax 3Nx 42x 43x 44x 45x 48x 49x 4Ax 4240 2Gx 2 2Ux 2Xx 2Yx 3Ex 3Mx 3Px 3Qx 3Tx 3Ux 3Wx 3Xx 46x 47x 48x 49x 4 4Cx 4 AFx 4Gx 4Hx 4Jx 4Kx 4Lx e 4241 CTO 45x 46x 4242 CTO 23x 28x 2Dx 2 2 2Wx 33x 36x 39x 3Cx 3Dx 30x 45x 46x 47x 48x 49x AAx 4 4Dx AFx 4Gx 4Mx 40 4 AWx 4Xx AYx 47 52x 53x 54 55 4243 CTO 28x 3Sx 3Ux 3Vx 3Xx 3Zx 4Jx 4Kx 4Ux 4 4Wx 4 5Ax 4244 4246 4249 4260 4270 26 4276 23x 28x 29x 2 2 2Dx 2 2Gx 2 2Jx 2Lx 2 2 2 2Qx 2Rx 25 2 2 2Wx 2 2Yx 33x 34x 35x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 26x 28x 2 2Gx 2Jx 2Kx 2Lx 2Mx 2 2Yx 2Zx 33x 34x 35x 36x 3Bx 3Hx 3Kx 3Lx 3Mx 3Nx 3Px 3Qx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 7 42x 45x 4 4284 CTO 23x 24x 26x 3Ux 3Vx 3Wx 3Yx 3Zx 42x 45x 46x 47x 48x 49x 4 ADx SATA hard disk drive 500 GB 7 200 rpm 45N7321 4239 CTO 24x 28x 2Zx 32x 33x 35x 36x 37x
66. 29 2 2Bx 2 2Fx 2Hx 2Px 2Qx 2 2Tx 2Xx 37x 38x 3Cx 3Dx 3Ex 3Fx 3Gx 3Jx 4Bx 4284 CTO 25x 3Tx 3Xx 4Ax 4Bx SATA hard disk drive 320 GB 7 200 rpm 42T1171 4239 CTO 22x 23x 25x 46x A7x 4 4 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Fx 2 2Px 2Qx 2Rx 25 2Tx 3Cx 3Dx 3Gx 3Jx 3Lx 3Rx 3Sx 4Bx 4Dx 4 4 4241 CTO 26x 42x 43x 44x 48x 4242 CTO 22x 24x 27x 29x 2Bx 2Cx 2Ex 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Px 2Qx 2Rx 25 2Tx 2Ux 2Xx 2Yx 32x 35x 37x 38x 3Hx 3Jx 3Lx 3Mx 3Px 44x 4 4Hx ARx 45 4Tx 56x 58x 59x 4243 CTO 27x 29x 3Tx 3Wx 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24x 27x 2Bx 2Fx 2Kx 4281 CTO 4282 CTO 25x 27x 29x 2Ax 2Bx 2Ex 2Fx 2Hx 2Px 2Qx 2Rx 2Tx 2Xx 37x 38x 3Cx 3Dx 3Fx 3Gx 3Jx 4Bx 4284 CTO 25x 3Tx 3Xx 4Ax 4Bx 132 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued SATA hard disk drive 320 GB 7 200 rpm 45N7319 4239 CTO 22x 23x 25x 46x 47x 4 4 4240 CTO 29x 2 2 2Cx 2Dx 2Fx 2 2Px 2Qx 2Rx 2Sx 2 3Bx 3Cx 3Dx 3Gx 3Jx 3Kx 3Rx 3Sx 4 4Dx 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 43x 44 48x 4242 22x 24x 27x 29x 2Bx 2Cx 2Ex 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Px 2Qx 2Rx 2Sx 2Tx
67. 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2 2Qx 2Rx 25 2Tx 2Vx 2Wx 2Xx 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 25x 26x 27x 28x 29x 2Ax 2Bx 2 2Fx 2Gx 2Jx 2Kx 2Lx 2 2 2 2Qx 2Rx 2 2Ux 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 3Rx 35 3Tx 3Ux 3Wx 3Yx 3Zx 42x 45x 4Bx 4Cx 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4Dx Chapter 11 Parts list 143 Table 42 Parts list Overall continued 18 Bluetooth daughter card BDC 3 0 60Y3275 4239 CTO 23x 24x 25x 26x 27x 28x 27 32x 33x 34x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 48x 49x 4 4Bx 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2Tx 2Ux 2Vx 2 2Yx 3Bx 3Cx 3Dx 3Fx 3Hx 3Jx 3Kx 3Lx 3Mx 3Qx 3Rx 35 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 46x 47x 48x 49x 4 4Bx 4Cx ADx 4Ex AFx 4Gx AHx 4Jx 4 4Lx 4Mx 4Nx 4 40x 4241 CTO 26x 42x 43x 44x 45x 46x 48x 4242 CTO 22x 23x 24x 25x 28x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Hx 2Jx 2Kx 2Lx 2 2 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3F
68. 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 25x 26x 27x 28x 29x 2Ax 2Bx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 34x 35x 36x Chapter 11 Parts list 115 Table 42 Parts list Overall continued ID DVD RAM RW drive 75Y5113 e 4239 CTO 22x 23x 24x 25x 26x 27x 28x 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x 4 ABx 4 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Xx 2Yx 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Qx 3Rx 3Sx 3Tx 3Ux 3Wx 3Xx 3Yx 3Zx 46x 47x 48x 49x 4Ax 4 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Lx 4Mx 4 4Px 4Qx 4241 26x 42x 43x 44x 45 46x 47x 48x 4242 CTO 22x 23x 24x 25x 27x 28x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2 2Px 20x 2Rx 28x 2 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Bx 3Cx 3Dx 3Hx 3Jx 3Lx 3Mx 3Nx 3Px 3Qx 44x 45x 46x 47x 48x 49x 4 4Cx 4Dx 4 AFx 4Gx 4Hx 4 40x 4Rx 48x 4Tx 4Ux 4 AWx 4Xx 4Yx 47 52x 53x 54x 55x 56x 57x 58x 59x 4243 27x 28x 29x 3Rx 3Sx 3Ux 3Wx 3Zx 4 4Jx AKx 4Ux 4 AWx AXx 4
69. 3 e 4239 CTO 22x 23x 24x 25x 34x 42x 43x 45x 46x 4 4 e 4240 CTO 29x 2Ax 2Bx 2Dx 2Fx 2Gx 2Hx 2Jx 2 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Xx 3Dx 3Mx 30x 3Rx 3Sx 3Tx 3Ux 3Xx 3Yx 46x 47x 48x 49x 4 AEx 4Fx 4Gx 4Jx 4Lx 4 4Qx e 4241 CTO 26x e 4242 CTO 22x 23x 24x 25x 27x 28x 29x 2Ax 2Bx 2 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Tx 2Ux 2Vx 2Wx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Cx 3Dx 3Hx 3Jx 3Lx 3Mx 3Nx 3Px 44x 45x 46x 49x 4 4 4Dx 4Ex AFx 4Gx 4Hx 4Mx 45 4 4Ux 4 AWx 4 4Yx AZx 52x 53x 55x 56x 57x 58x 59x 4243 27x 28x 29x 3Rx 3Wx 3Xx 4Bx 4Ux 4 AWx AYx 4244 CTO 4246 CTO 4249 4260 4270 26 4276 23x 24x 25x 27x 28x 29x 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2 2Qx 2Rx 36x 37x 38x 39x 4281 CTO e 4282 CTO 25x 26x 27x 28x 29x 2Ax 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2 2Lx 2Mx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 32x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Px 30x 35 3Ux 4Bx 4 4284 CTO 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 48x 4 4Cx Intel Centrino Advanced N 6300 60Y3233 4239 CTO 26x 33x 4240 CTO 4241 CTO 4242 CTO 2Rx 28x 2Xx 30x 54x 4243 CTO 3Tx 3Ux 3Vx 3Z
70. 34 4240 2 20 2 48 49 4Jx 4241 4242 CTO 27x 28x 37x 38x 3Qx 40 4Ux 4 53x 54x 55x 58x 59x 4243 CTO 27x 28x 3Ux 3Vx 4Ux 4 4Xx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 23x 27x 28x 29x 2Ax 2Px 2Qx 2Xx 2Yx 2Zx 33x 36x 37x 38x 39x 4281 CTO 4282 CTO 23x 24x 25x 26x 28x 29x 2 2Bx 2 2Fx 2Gx 2Hx 2Jx 2 2Lx 2 2Nx 2Px 2Qx 2Rx 2Tx 2Ux 2 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Gx 3Hx 3Jx 3Kx 3Mx 3Nx 3Rx 35 3Yx 3Zx 42x 45x 4 4 4284 CTO 23x 24x 25x 26x 43x 45x 49x 4 4 4 4Dx 4244 CTO 4246 CTO 10 Battery pack Li ion 9 cell 42T4803 4239 CTO 23x 24x 26x 34x 4240 CTO 2Hx 2Ux 2Vx 48x 49x 4Hx 4Jx 4241 CTO 4242 CTO 27x 28x 37x 38x 3Qx 40 4Ux 4 53x 54x 55x 58x 59x 4243 27x 28x 3Tx 3Ux AUx 4 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 CTO 23x 27x 28x 29x 2Ax 2Px 2Qx 2Xx 2Yx 2Zx 33x 36x 37x 38x 39x 4281 CTO 4282 CTO 23x 24x 25x 26x 28x 29x 2Ax 2Bx 2Cx 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2Nx 2Px 2Qx 2Rx 2 2Ux 2 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Gx 3Hx 3Jx 3Kx 3Mx 3Nx 3Rx 3Sx 3Yx 3Zx 42x 45x 4Bx 4 4284 CTO 23x 24x 25x 26x 43x
71. 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 46x 47x 48x Chapter 11 Parts list 121 Table 42 Parts list Overall continued Battery pack Li ion 6 cell 4214817 4239 CTO 4240 CTO 46x 47x 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 10 Battery pack Li ion 6 cell 4214819 4239 CTO 4240 CTO 46x 47x 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 10 Battery pack Li ion 9 cell 42 4799 4239 CTO 23x 24x 26x 34x 4240 2Hx 2Ux 2 48x 49x 4Jx 4241 CTO 4242 CTO 27x 28x 37x 38x 4Dx 4Ux 4 53x 54x 55x 58x 59x 4243 CTO 27x 28x 3Tx 3Ux 3Vx 4Ux 4Vx 4 5Ax 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 23x 27x 28x 29x 2 2Px 2Qx 2Xx 2Yx 2Zx 33x 36x 37x 38x 39x 4281 CTO 4282 CTO 23x 24x 25x 26x 28x 29x 2 2Bx 2 2Fx 2Gx 2Hx 2Jx 2 2Lx 2 2 2Px 2Qx 2Rx 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Fx 3Gx 3Hx 3Jx 3Kx 3Mx 3Nx 3Rx 3Sx 3Xx 3Yx 3Zx 42x 45x 4 4 4284 CTO 23x 24x 25x 26x 43x 45x 49x 4 4 4 4Dx 122 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued Battery pack Li ion 9 cell 4274801 4239 23 24 26
72. 3x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x AAx ACx 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Xx 2Yx 3Bx 3Cx 3Dx 3Ex 3Fx 3Hx 3Jx 3Kx 3Lx 3Mx 3Qx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 46x 47x 48x 49x 4 4 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 43x 44x 45x 46x 4242 CTO 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Qx 44x 45x 46x 47x 48x 49x 4 4 4Dx 4Ex AFx 4Gx AHx 4Mx 40x 4Rx 4Sx ATx AUx 4 AWx 4 AYx AZx 52x 53x 54x 55x 4243 CTO 27x 28x 29x 3Rx 35 3Tx 3Ux 3Xx 3Zx 4Jx AKx 4Ux 4Vx AWx 4 AYx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 22x 23x 24x 27x 28x 29x 2Ax 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2 20x 2Rx 28x 2 2Vx 2Wx 2 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x 4281 CTO 4282 CTO 23x 24x 25x 26x 28x 29x 2 2Bx 2 2Gx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Gx 3Hx 3Jx 3Kx
73. 4242 CTO 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Bx 3Cx 3Dx 3Jx 3Kx 3Lx 3Mx 3Nx 30x 44x 45x 46x 47x 48x 49x AAx 4Cx ADx 4Ex 4Fx 4Gx 4Hx 4Mx 40x 4Rx 48x 4 4Ux 4 4Wx 4Xx AYx 47 52x 53x 54x 55x 56x 57x 58x 59x 4243 27x 28x 29x 3Rx 3Sx 3Ux 3Vx 3Wx 3Xx 3Zx ABx 4Jx AKx 4Ux AVx AWx AXx AYx 5Ax 4244 CTO 4246 4249 4260 4270 26 4276 22x 23x 24x 25x 27x 28x 29x 2 2 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2Nx 2 2Qx 2Rx 25 2Tx 2Vx 2Wx 2 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x 4281 CTO e 4282 CTO 23x 24x 25x 26x 27x 28x 29x 2 2 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 34x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Lx 3Mx 3Nx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 45x 4Bx 4 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 43x 45x 46x 47x 48x 49x 4 4 4Cx 4Dx RAID adapter for workstation models 60Y5513 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Cx 2Lx 2Mx 33x 3Zx 42x 4284 CTO 7 7 Travel beze
74. 4W1583 N Rubber foot rear Rubber foot front Gasket DIMM L Gasket DIMM R Gasket HDD Wireless switch Knob wireless switch ODD bracket assembly ODD bar ODD switch assembly ODD switch spring Mesh A base cover Mylar slice hook Mylar base cover docking post Gasket docking Mylar DIMM Mylar base cover screw Mylar base cover docking System miscellaneous parts 04W1584 N a ExpressCard dummy b Smart Card spacer c Smart Card dummy d Smart Card cable DC in cable DC in cable 170W Color sensor dummy RJ11 cable RJ11 bracket RJ11 dummy Note Italicized letters in parentheses are references to the exploded view Overall on page 108 System board miscellaneous parts 04W1582 N Thermal pad Thermal pad C Thermal pad D Thermal pad E CPU bracket UMA hybrid CPU holder assembly workstation e Sink holder Sponge keyboard hybrid workstation e Sponge keyboard UMA 9 cell slice battery 4214739 AC adapters Table 46 Parts list 2 pin ac adapters for ThinkPad T520 and T520i 2 pin 65 W 20 V adapter models CTO xxE xxF xxJ xxL xxP xxS xxU xxY 42 5282 2 65 W 20 V adapter models xxF xxJ xxL 5 xxU xxY 42 4423 2 pin 65 W 20 V adapter models xxF xxJ xxL xxP xxS xxU xxY 42 4419 158 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 46 Parts list 2 pin ac adapters f
75. 5 Table 42 Parts list Overall continued ID 21 Thermal module for T520 and T520i discrete graphics models 4239 CTO 23x 24x 26x 32x 33x 34x 36x 37x 38x 39x 42x 43x 44x 45x 4 4240 2 2Hx 2Nx 2Px 2Qx 2Rx 2Ux 2Vx 2Yx 3Dx 3Gx 3Kx 3Qx 3Xx 3Yx 47x 48x 49x 4 AFx 4Gx 4Jx ALx 4241 CTO 43x 44x 45x 46x 4242 CTO 27x 28x 2Jx 2Kx 2Lx 2Mx 2Nx 25 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 33x 35x 36x 37x 38x 3Dx 3Gx 3Jx 3Lx 3Qx 46x 49x 4Cx 4Dx 4Fx 4Gx 4Hx 4Mx 4 4Ux 4 4 AYx AZx 52x 53x 54x 55x 59x e 4243 27x 28x 3Tx 3Ux 3Vx 4Jx 4Ux 4Vx 4Xx 5Ax e 4244 e 4246 CTO Thermal module for T520 and T520i discrete graphics models 4239 CTO 23x 24x 26x 32x 33x 34x 36x 37x 38x 39x 42x 43x 44x 45x 4 4240 2 2Hx 2Nx 2Px 2Qx 2Rx 2Ux 2Vx 2Yx 3Dx 3Gx 3Kx 3Px 3Qx 3Xx 3Yx 47x 48x 49x 4 AFx 4Gx 44 ALx 4241 CTO 43x 44x 45x 46x 4242 CTO 27x 28x 2Jx 2Kx 2Lx 2Mx 2Nx 25 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 33x 35x 36x 37x 38x 3Dx 3Gx 3Jx 3Lx 3Qx 46x 49x 4Cx 4Dx 4Fx 4Gx 4Hx 4Mx 4 4Ux 4 4 AYx AZx 52x 53x 54x 55x 59x e 4243 CTO 27x 28x 3Tx 3Ux 3Vx 4Jx 4Ux 4 4Xx 5Ax e 4244 CTO 4246 CTO e 4239 CTO 23x 24x 26x 32x 33x 34x 36x 37x 38x 39
76. 6 4249 4260 4270 4276 22x 24x 25 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2Rx 28x 2 2Vx 2Wx 34x 35x 4281 CTO e 4282 CTO 27x 2Dx 2Ex 28x 3Cx 3Dx 3Lx 30x 3Ux 3Vx 3Wx Battery pack Li ion 6 cell 4274793 4239 CTO 22x 25x 27x 28x 27 32x 33x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Jx 2 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2 2Xx 2Yx 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Qx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 4 4Bx 4 4Dx 4 4Fx 4Gx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx 4241 26x 42x 43x 44x 45 46x 47x 48x e 4242 CTO 22x 23x 24x 25x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 2Sx 2Tx 2Ux 2 2Wx 2 2Yx 27 32x 33x 34x 35x 36x 39x 3Ax 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 44x 45x 46x 47x 48x 49x 4Ax 4Cx 4Ex 4Fx 4Gx 4Hx 4Mx 40x ARx 4Sx 4Tx 4WX 4Xx 4Yx 4Zx 52x 56x 57x 4243 CTO 29x 3Rx 3Sx 3Wx 3Xx 3Zx 4Bx 4Jx 4Kx 4Wx 4Yx 4244 4246 4249 4260 4270 4276 22x 24x 25 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2 2Lx 2 2 2Rx 28x 2 2Vx 2Wx 34x 35x 4281 CTO
77. 60078_01 Printed in 1P P N 0A60078_01
78. 70 CTO 4276 CTO 33x 4281 CTO 4282 CTO 4284 CTO System board assembly for W520 Q1 non AMT TPM with RAID adapter 04W2040 4249 CTO e 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO System board assembly for W520 Q1 non AMT non TPM with RAID adapter 04W2042 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO Chapter 11 Parts list 139 Table 42 Parts list Overall continued ID 16 System board assembly for W520 Q3 non AMT TPM with RAID adapter 04W2041 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 16 System board assembly for W520 Q3 non AMT non TPM with RAID adapter 04W2043 N 4249 CTO 4260 4270 4276 4281 4282 4284 17 CPU assembly Intel Core i3 2310M Processor 2 66 GHz 04W0495 N e 4239 CTO 27x 35x 36x 3Nx 47x 48x 49x 4Bx 4240 CTO 2Lx 2Mx 20x 2Rx 2Sx 2Tx 2Xx 3Gx 3Hx 3Rx 35 3Vx 3Wx 3Zx 4Dx 4 4Nx 4241 42 43 44 45 46 47 4242 4243 4244 4246 CPU assembly Intel Core i5 2410M Processor 2 66 GHz 04W0496 e 4239 27x 35x 36x 3Nx 47x 48x 49x 4Bx 4240 CTO 2Lx 2Mx 20x 2Rx 2Sx 2Tx 2Xx 3Gx 3Hx 3Rx 35 3Vx 3Wx 3Zx 4Dx 4Mx 4Nx 4241 4242 CTO 3Bx 3Cx 3Dx 3Jx 4 AYx 55x 4243 4244 4246 CPU assembly Intel Core i5 2520M
79. 80 Base cover assembly on page 89 1100 Keyboard bezel assembly on page 75 1010 Battery pack on page 60 1060 Keyboard on page 67 Chapter 9 Removing and replacing a FRU 77 Table 24 Removal steps of BDC 3 0 M2 x 3 mm wafer head nylon coated 1 Silver 0 181 Nm 1 85 kgfcm When installing Make sure that the connector is attached firmly Screw quantity Color Torque 1120 Backup battery For access remove these FRUS in order 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 1060 Keyboard on page 67 1100 Keyboard bezel assembly on page 75 NR Use only the battery specified in the parts list for your computer Any other battery could ignite or explode 78 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 25 Removal steps of backup battery When installing Make sure that the battery connector is attached firmly 1130 Smart Card or Smart Card dummy spacer For access remove these FRUS in order 1030 DIMM slot cover on page 62 1100 Keyboard bezel assembly on page 75 1010 Battery pack on page 60 1060 Keyboard on page 67 Chapter 9 Removing and replacing aFRU 79 Table 26 Removal steps of Smart Torque Screw quantity Step 0 181 Nm e 9 G 9 gt lt 2 z E co x gt 1 85 kgfcm 80 ThinkPad 520 T520i and W520 Hardware Ma
80. 8x 49x 4 4Cx 4Dx 4Mx ARx 45 4 4Ux 4Vx 4Wx 4Xx AYx AZx 52x 53x 54 55x 56x 57x 4243 3Rx 35 3Tx 3Ux 3Vx 3Xx 3Zx 4 4Jx 4Ux 4 4Wx 4 4Yx 5Ax 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 27x 28x 29x 2Vx 2Wx 34x 35x 37x 38x 39x 4281 CTO 4282 CTO 23x 2Fx 2Gx 2Jx 2Kx 2Lx 2Mx 2Nx 2Qx 2Rx 2Tx 2Xx 36x 37x 38x 3Bx 3Cx 3Dx 3Fx 3Gx 3Rx 3Sx 4284 CTO 45x 46x 47x 4 swesssg 3 sewerssemy I Gobi 3000 wireless WAN adapter 60Y3257 4239 CTO 4240 CTO 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 110 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID 5 Gobi 3000 wireless WAN adapter for Malaysia SKU 60Y3283 4239 CTO 4240 CTO 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 5 Ericsson F5521gw Other Wireless WAN card 60Y3279 4239 CTO 34x 4240 2Ax 2Jx 2Lx 2Nx 2Qx 2Sx 2Vx 3Px 3Qx 4Cx 4241 CTO 4242 CTO 2Qx 2Rx 2Ux 2Vx 2Wx 2Xx 2Yx 34x 35x 36x 3Cx 3Dx 4Dx 4243 CTO 3Rx 3Ux 3Vx 3Xx 3Zx 4Bx 4Xx 4Yx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 27x 28x 29x 2Kx 2Lx 2Mx 2Nx 4281 CTO 4282 CTO 29x 2
81. CTO 2 2Nx 2Zx 32x 33x 34x 42x 4284 CTO 43x 142 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued 18 Bluetooth daughter card BDC 3 0 60Y3271 4239 CTO 23x 24x 25x 26x 27x 28x 27 32x 33x 34x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 48x 49x 4 4 4240 CTO 29x 2 2Bx 2Cx 2Dx 2 2Gx 2Hx 2Jx 2 2Lx 2 2 2Px 2Qx 2Rx 28x 2Tx 2Ux 2Vx 2Xx 2Yx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Px 3Qx 3Rx 35 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 46x 47x 48x 49x 4 4Bx 4Cx ADx 4 4Fx 4Gx AHx 4Jx 4 4Lx 4Mx 4Nx 4Px 40x 4241 CTO 26x 42x 43x 44x 45x 46x 48x 4242 CTO 22x 23x 24x 25x 28x 29x 2 2Bx 2 2Dx 2Ex 2Fx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 30x 44x 45x 46x 47x 48x 49x 4 ACx 4Dx 4 AFx 4Gx 4Hx 4Mx 4Qx 4Rx 45 ATx AUx 4 AWx 4 AYx AZx 52x 53x 54x 55x 56x 57x 4243 28x 29x 3Rx 3Sx 3Tx 3Ux 3Wx 3Xx 3Yx 3Zx 4 4Jx 4 4Ux AVx AWx AXx AYx 4244 CTO 4246 4249 4260 4270 26 4276 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2 2Dx 2 2Fx
82. EPROM Note Only the ECA number is stored in the EEPROM The 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 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 8 FRU replacement notices 57 58 ThinkPad 520 520 W520 Hardware Maintenance Manual Chapter 9 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 8 FRU replacement notices on page 55 3 Begin by removing any FRUs that have to be removed before the failing FRU Any such FRUs are listed at the top of the page Remove them in the order in which they are listed
83. G xxH xxK xxM xxQ xxT xxV 45 0057 Table 49 Parts list 3 pin ac adapters for ThinkPad W520 3 pin 170 W 20 V adapte models xxA xxB xxG xxH xxQ xxT xxV 45NO01 12 3 pin 170 W 20 V adapte models CTO xxA xxB xxG xxH xxK xxM xxQ xxT xxV 45 0116 Power 5 A ThinkPad power cord for a specific country or region is usually available only in that country or region Chapter 11 Parts list 159 Table 50 Parts list 2 pin power cords Region PN cru ID 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 Table 51 Parts list 3 pin power cords Australia New Zealand 4275050 4275135 e models xxG xxM Bangladesh Sri Lanka South Africa 42T5056 42715141 e models CTO Canada U S 42T5004 42T5089 models CTO xxF xxL 5 xxU China P R C other than Hong Kong S A R 42T5065 42T5150 models vee xxC Denmark 42 5041 42 5126 models xxG European countries 42T5029 42T5114 models CTO xxG India 42T5083 42T5168 models CTO xxG Israel 42T5062 42T5147 models CTO xxG Italy 42T5047 42T5132 models CTO xxG Korea 42T5077 42T5162 e models xxK Switzerland 42T5044 42T5129 models CTO xxG Taiwan 42T5071 42T5156 e models CTO xxV U K
84. I BIOS downloads are installed before replacing any FRUS listed in this manual After a system board is replaced ensure that the latest UEFI BIOS is loaded to the system board before completing the service action To download software fixes drivers and UEFI BIOS do as follows 1 Go to http www lenovo com support 2 Enter the product number of the computer or press Auto detect button on the screen 3 Select Downloads and 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 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 Copyright Lenovo 2011 23 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 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 Automatic Configuration may alter the settings Note the current config
85. O 29x 2Dx 2Fx 2Gx 2Jx 2 3Bx 3Cx 3Mx 46x 4 4 APx 4Qx 4241 CTO 26x 4242 CTO 22x 23x 24x 25x 29x 2 2 2 2Ex 2Fx 2Gx 2Hx 2Px 2Qx 2Rx 2Zx 32x 34x 39x 3Hx 3Kx 3Mx 3Nx 3Px 45x 4 4 4 4Sx AWx 56x 57x 58x 4243 CTO 29x 3Rx 3Wx 3Zx 4 AWx 4 e 4244 CTO e 4246 CTO System board assembly for T520 and T520i optimus AMT TPM 04W2021 4239 CTO 23x 24x 26x 34x 42x 43x 45x 4240 CTO 2Ax 2Hx 2Nx 2 3Dx 30x 47x 48x 49x 4Gx 4Jx 4Lx 4241 CTO 4242 CTO 27x 28x 2Jx 2Kx 2Lx 2Mx 2Nx 25 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 33x 35x 36x 37x 38x 3Lx 3Qx 46x 49x 4 4Dx 4Fx 4Gx 4Mx 4Tx 4Ux 4Vx 4Zx 52x 53x 54x 59x Table 42 Parts list Overall continued System board assembly for T520 T520i integrated non AMT TPM 04W2024 e 4239 CTO 27x 28x 35x 3Nx 47x 48x 49x 4 4Cx e 4240 CTO 2Bx 2Cx 2Ex 2Lx 2Mx 28x 2Tx 2Xx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 4 4Dx 4Kx 4Mx 4Nx 4241 CTO 42x 47x 48x 4242 CTO 2Dx 3Cx 47x 48x 4 4243 CTO 3Sx 3Xx 3Yx 4244 CTO 4246 CTO System board assembly for T520 and T520i optimus non AMT TPM 04W2025 e 4239 36x 37x 38x 39x 44x 4Ax 4240 20x 2Rx 2Ux 2Vx 2Yx 3Xx 4 4Fx 4241 CTO 43x 44x 45x 46x 4242 CTO 3Dx 3Gx 3Jx 4 AYx 55x 4243 C
86. O 4281 CTO 4282 CTO 45x 4284 CTO Palmrest assembly FPR no CS with SmartCard Reader 04W1367 4239 CTO 25x 2Zx 32x 33x 3Nx 4240 2Ux 2 2Xx 2Yx 47x 4241 CTO 4242 2Ex 2Fx 2Lx 2Vx 3Jx 3Kx 3Lx 3Qx 44x 4 AFx 4Gx 4Hx 4Qx 4243 CTO 3Wx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24x 25x 4281 CTO 4282 CTO 28x 29x 2Ax 2Yx 2Zx 32x 3Qx 4 4284 CTO 4Cx 4Dx Palmrest assembly FPR CS with SmartCard Reader 04W1368 N 4249 CTO 4260 CTO 4270 CTO 4276 CTO 23x 2Rx 28x 2Tx 36x 4281 CTO 4282 CTO 2Bx 2 33x 3Kx 3Lx 3Tx 3Ux 3Wx 3Xx 3Zx 42x 4284 CTO 48x Chapter 11 Parts list 109 Table 42 Parts list Overall continued Palmrest assembly FPR no CS no SmartCard Reader 04W1369 N 4239 CTO 23x 24x 26x 27x 28x 34x 35x 36x 37x 38x 39x 3Ax 42x 43x 44x 45x 48x 49x 4 4 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 25 2Tx 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 46x 48x 49x 4Ax 4Bx 4Cx 4Dx 4Ex 4Fx 4Gx 4Hx 4Jx 4Kx 4Lx 4Mx 4Nx 4Px 4Qx e 4241 26x 42x 43x 44x 45x 46x 4242 CTO 23x 24x 25x 28x 2Ax 2Bx 2Cx 2Dx 2Jx 2Mx 2Nx 2Px 2Qx 2Rx 25 2Tx 2Ux 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Ax 3Cx 3Dx 3Hx 3Nx 3Px 45x 46x 47x 4
87. OMPONENT 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 www lenovo com support To view the key commodities click on PARTS INFORMATION then PARTS LOOKUP Type in the model type and serial number The key commodities will be returned in the eSupport record under PARTS SHIPPED WITH YOUR SYSTEM 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 To view the complete list of FRUs type in the machine type and model Example 1829 CTO under QUICK PATH Under View by Document Type select PARTS INFORMATION Under Filter by Category select SERVICE PARTS Under Parts Information by Date select SYSTEM SERVICE PARTS The list of service parts by description with applicable machine type model and FRU will be displayed Using the HMM For Key Commodities Examples hard disk drive system board microprocessor LCD and memory Use the HMM as a back up to PEW and eSupport to view the complete list of FRUs at the MT Model level Chapter 2 Important service information 25 26 ThinkPad 520 520 W520 Hardware Maintenance Manual Chapter 3 G
88. ONY Dy5pWh O 3p Od 23V IN PIN pypu mop 5 5 VYPNI moo A AMAN 75910 9592 PN 2 50 932 7155200 5031022 ANIA 32710 DID nN PIF V AMN 5395 YN 07 22 UND NMN P275 Uh AMIN 9 t p2nn 7027073 n3 avan 725103 74 v 0 21pnn t ginm p 2y WINI msisiann IN ANAT 01999 5129 AION NI AINA Univ ANNA Chapter 1 Safety information 11 Ny Y IMN PIVAT n2510n FINN NN 2595 PR TP 553 50 MOP 59223 ADDON DIPNA D py WINI nppyon n55210n TANI NN DIVI V AMN 3592 IN 07722 IN UND ANNA na AWaINA n55193 vianunb v a 9 em Sy MINANN IN nnsn5 139339 559 HNN NI n55103 WNW 155907 tania NINN son od SUN ADIN PN nup mn35 Masson ns 55 0135 N99Y 10995927 32210 7550 100 SY n51yn 15305237205 mx DANS ANIN n7 301g TANNA NN 05733 n25Y0n 0202 v 09025 NNN NN PUNI PNI AIDA NN 31505 PN DIORA DPINA 702075 AIDA p VANUD v toa ipn ASIANA IN NOV 03395 012 2329 NINN 525103 WDY moo AN NN DV DIP YN OD PY TON Tinh IM av LCD warn Top ON t yann Diybpon ON fne m Naps amne MPT 15 wn tona Pp DNNN oma INNS OWN brun OY santo my Y 9 053n 50 NNNNN 5 NA PODIAN Nod NN VONNI 31725 pon 220 A DAT PANT 22159 IN NIIP 052719 192 n Mova nPUx 3n 3257
89. Processor 2 50 GHz 04W0492 N 4239 CTO 22x 39x 45x 46x 4240 29x 2Fx 2Jx 2Kx 2Nx 2Px 2Yx 3Cx 3Dx 3Jx 3Mx 46x 47x 49x 4 4Gx 4Lx 4 4Qx 4241 CTO 26x 48x 4242 CTO 22x 23x 24x 25x 27x 29x 2 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2 3Hx 3Kx 3Mx 3Nx 44x 45x 46x 47 48x 4 4Hx 4 40x ARx 4Sx 4 4 4Wx 47 56x 57x 4243 CTO 27x 29x 35 3Wx 4 AWx 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 25x 2Bx 2Fx 2Kx 2Rx 28x 4281 CTO 4282 CTO 2Hx 2Wx 3Ux 4284 CTO 3Tx 3Xx 4Ax 140 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued CPU assembly Intel Core 15 2540 Processor 2 60 GHz 04W0493 e 4239 CTO 23x 24x 25x 27 32x 44x 4240 CTO 2Dx 2Gx 2Hx 4241 CTO 4242 CTO 28x 2Px 2Qx 2Rx 25 2Tx 2Ux 2Vx 2Wx 37x 39x 3Fx 3Lx 3Px 49x 4 52x 53x 58x 59x 4243 CTO 28x 3Rx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 24x 2Cx 2Gx 2Lx 4281 CTO 4282 CTO 25x 35x 3Cx 3Vx 4284 CTO 25x 3Ux 3Yx 17 CPU assembly Intel Core 17 2620 Processor 2 70 GHz 04W0494 4239 CTO 26x 33x 34x 3Ax 42x 43x 4240 CTO 2Ax 3Ex 3Px 48x 4 4Hx 4241 CTO 4242 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 38x 3Gx 30x 4Gx 4Ux 4243 CTO 3Tx 3Vx 3Zx
90. TO 2Bx 3Gx 3Hx 4Mx 4Nx 4Px 4Qx 4241 CTO 47x 4242 23x 24x 25x 2 2Cx 2Dx 2Ex 2Fx 2Hx 2Jx 2 2Qx 2Rx 2Sx 3Cx 3Dx 3Fx 3Gx 44x 56x 57x 4243 CTO 3Sx 3Xx 3Yx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 162 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 4281 4282 29 e 4284 48x Table 54 Parts list Windows 7 Professional 32 bit recovery DVDs Language P N English 03W7818 Japanese 03W7817 Simplified Chinese 03W7816 Windows 7 Professional 64 bit DVDs Windows 7 Professional 64 bit is preinstalled as the operating system in the following models e 4239 CTO 22x 23x 24x 25x 26x 38x 39x 42x 43x 44x 45x 46x 47x 48x 49x 4 e 4240 CTO 29x 2 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2 2 2Yx 3Bx 3Cx 3Dx 3Fx 3Jx 3Lx 3Px 30x 3Rx 3Tx 3Vx 3Wx 46x 47x 48x 49x 4 ABx ACx 4Dx 4 4Fx 4Gx 4Hx 4Jx 4 ALx e 4241 CTO 26x 48x 4242 CTO 22x 27x 28x 29x 2 2Gx 2Kx 2Lx 2Mx 2Nx 2 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Px 30x 47x 48x 49x 4 4 4Dx 4Ex 4Fx 4Gx 4Hx 4Mx 4Rx 45x 4 4Ux 4 4Wx AYx 53x 54x 55x 58x 59x 4243 CTO 27x 28x 29x 3Rx 3Tx 3Ux 3Vx 3Wx
91. TO 4244 CTO 4246 CTO System board assembly for T520 and T520i integrated non AMT non TPM 04W2026 e 4239 CTO 2Zx e 4240 CTO 3Hx 3Jx 3Lx 3Zx 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO System board assembly for T520 and T520i optimus non AMT non TPM 04W2027 e 4239 CTO 32x 4240 CTO 3Ex 3Gx 3Kx 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO System board assembly for W520 Q1 AMT TPM no RAID adapter 04W2028 N 4249 CTO 4260 CTO e 4270 CTO 26x e 4276 CTO 25x 27x 28x 29x 2Bx 2Cx 2Dx 2Kx 2Lx 2 2Px 2Rx 2 2Wx 37x 38x 39x 4281 CTO e 4282 CTO 25x 26x 27x 29x 2Ax 2Bx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2 2Px 2Qx 2Rx 25x 2Tx 2Ux 2 2Wx 2Xx 32x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Ex 3Gx 3Hx 3Px 3Rx 3Sx 3Ux 45x 4 4 4284 CTO 25x 26x 3Tx 3Ux 3Vx 45x 46x 47x 48x 4Ax 4 4 4Dx System board assembly for W520 Q1 AMT non TPM no RAID adapter 04W2030 4249 CTO 4260 CTO 4270 CTO 4276 CTO 2Fx 2Gx 2Hx 4281 CTO 4282 CTO 3Qx 4284 CTO 3Xx 3Yx 3Zx Chapter 11 Parts list 137 Table 42 Parts list Overall continued System board assembly for W520 Q3 AMT TPM no RAID adapter 4249 CTO 4260 CTO 4270 CTO 4276 22x 23x 24x 2Ax 2Ex 2Nx 2Qx 28x 2Tx 2Xx 2Yx 22x 4281 CTO 4282 CTO 23x 24x 28x 2Yx 2Zx 34x 3Jx 3Lx 3Mx 3Nx 3Tx 3Vx 3Wx 3Xx 3Yx 4284 CTO 23x 24x
92. ThinkPad ThinkPad T520 T520i and W520 Hardware Maintenance Manual ThinkPad ThinkPad T520 T520i and W520 Hardware Maintenance Manual Note Before using this information and the product it supports be sure to read the general information under Appendix A Notices on page 165 Second Edition March 2011 Copyright Lenovo 2011 LIMITED AND RESTRICTED RIGHTS NOTICE If data or software are delivered pursuant a General Services Administration GSA contract use 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 translatione Laser compliance statement multilingual translations Chapter 2 Important service information Strategy for replacing ERUs Strategy for replacing hard disk dive Important notice replacing system board DAE gk How to use error message Eu for FRUs for CMV rd GAV Piodu 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 ad
93. ThinkPad T520 T520i and W520 LCD e LCD module 15 6 inch HD LED backlight 04W0424 4239 22x 25x 27x 28x 22x 32x 33x 35x 36x 3Nx 46x 47x 48x 4 4Cx 4240 CTO 29x 2Bx 2 2Dx 2 2Fx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Yx 3Mx 3Rx 3Sx 3Xx 3Zx 46x 4Ax 4 4Dx 4Ex 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x e 4242 CTO 23x 24x 25x 27x 29x 2 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 2Zx 32x 34x 35x 39x 3Bx 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 45x 46x 48x 4 4Qx 4 AWx 4 4 AZx 52x 53x 54x 55x 58x 59x 4243 27x 29x 3Rx 35 3Yx 4Jx AKx 4 AWx AYx 4244 CTO 4246 CTO 4249 4260 4270 26 4276 25x 2 2 2Dx 2Fx 2Gx 2 2Kx 2Lx 2Mx 4281 4282 27x 2Dx 2 25 2Wx 32x 38x 4284 CTO 3Tx 3Ux 3Xx 3Yx 3Zx 46x 47x 48x LCD module 15 6 inch HD LED backlight 04W0430 4239 22x 25x 27x 28x 22x 32x 33x 35x 36x 3Nx 46x 47x 48x 4 4Cx 4240 CTO 29x 2Bx 2 2Dx 2 2Fx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Yx 3Mx 3Rx 35 3Xx 3Zx 46x 4 4 4Dx 4 4 4Nx 4Px 4 4241 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 23x 24x 25x 27x 29x 2 2Bx 2 2Dx
94. Tx 3Ux 3Vx 3Wx 3Xx 3Zx 42x 43x 45x 46x 47x 48x 49x 4 4 4Dx 75Y5115 4239 CTO 22x 23x 24x 25x 26x 27x 28x 27 32x 33x 34x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47 48x 49x 4 4 4 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2 2Ux 2Vx 2Xx 2Yx 3Bx 3Cx 3Dx 3Ex 3Fx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 30x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 46x 47x 48x 49x 4 4 4 ADx 4Ex AFx 4Gx 4Hx 4Jx 4Lx 4 4Nx 4 4Qx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Bx 3Cx 3Dx 3Jx 3Kx 3Lx 3Mx 3Nx 30x 44x 45x 46x 47x 48x 49x AAx 4Cx ADx 4Ex 4Fx 4Gx 4Hx 4Mx 40x 4Rx 48x 4 4Ux 4 4Wx 4Xx AYx 47 52x 53x 54x 55x 56x 57x 58x 59x 4243 27x 28x 29x 3Rx 3Sx 3Ux 3Vx 3Wx 3Xx 3Zx ABx 4Jx AKx 4Ux AVx AWx AXx AYx 5Ax 4244 CTO 4246 4249 4260 4270 26 4276 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2Nx 2 2Qx 2Rx 25 2Tx 2Vx 2Wx 2
95. Use extreme care when measuring high voltages Regularly 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 Use caution do not become a victim yourself Switch off power 2 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Send another person to 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 ite
96. You are here because the computer fails only when the ac adapter is used e Ifthe power problem occurs only when the docking station or the port replicator is used replace the docking station or the port replicator e fthe power on indicator does not turn on check the power cord of the ac adapter for correct continuity and installation e f the computer does not charge during operation go to Checking operational charging on page 33 To check the ac adapter do the following 1 Unplug the ac adapter cable from the computer 2 Measure the output voltage at the plug of the ac adapter cable See the following figure Pin Voltage V dc m gt bb 2 4 20V Note Output voltage of pin no 2 of the ac adapter may different from the one you are servicing 3 If the voltage is not correct replace the ac adapter 4 f the voltage is acceptable do the following Replace the system board e f the problem persists go to FRU tests page 31 Note Noise from the ac 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 5096 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 battery pack If
97. acing 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 Note for warranty 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 warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use O Copyright Lenovo 2011 27 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 LCD panel cracked from the application of excessive force or from b
98. agnostics gt Systemboard gt Keyboard 2 Interactive Tests gt Keyboard Chapter 3 General checkout 31 Table 1 FRU tests continued Hard disk drive or solid state Enter the ThinkPad Setup and change Serial ATA SATA setting to Compatibility and run Diagnostics Fixed Disks You can also diagnose the drive without starting up the operating system To diagnose the drive from the ThinkPad Setup do as follows 1 Remove any diskette from the diskette drive and then turn off the computer 2 Turn on the computer 3 While the message To interrupt normal startup press the blue ThinkVangate button is displayed at the lower left of the screen press F1 to enter the ThinkPad Setup 4 Using cursor keys select HDD diagnostic program Press enter 5 Using cursor keys select Main hard disk drive or Ultrabay hard disk drive 6 Press Enter to start the diagnostic program Diskette drive 1 Diagnostics Diskette Drives 2 Interactive Tests Diskette Optical drive 1 Diagnostics Other Devices Optical Drive 2 Interactive Tests Optical Drive Test Memory 1 If two DIMMs are installed remove one of them and run Diagnostics gt System Memory 2 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 ThinkPad device Setup If the TrackPoint is disabled
99. ail 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 is available at the following Web site http www lenovo com support To create the PC Doctor diagnostic CD follow the instructions on the Web site For some possible configurations of the computer PC Doctor might not run correctly To avoid this problem you need to initialize the computer setup by use of the ThinkPad Setup before you run PC Doctor To enter ThinkPad Setup do as follows 1 Turn on the computer 2 When the ThinkPad logo comes up immediately press F1 to enter the ThinkPad Setup Note If a supervisor password has been set by the customer ThinkPad Setup menu appears after the password is entered You can start ThinkPad Setup by pressing Enter instead of entering the supervisor password however you cannot change the parameters that are protected by the supervisor password 28 ThinkPad T520 T520i and W520 Hardware Maintenance Manual the ThinkPad Setup screen press 9 Enter 10 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 nee
100. alled note the following 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 Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure Ja 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 Chapter 1 Safety information 17 A ci 3 0842 CD ROM cuui us toh Bay dI gi sijal as gi Y galli A jul ai jul gih suae pue qiu S sai o Andy pill aaa ga 48 das Cel jal 9 hua chiles qund o dog ogia La Class 31 Class Al place Je Gans og giai caia 9 Ani cal pilya das Yy peill qul jl CUIDADO Quando produtos a laser como CD ROMs unidades de DVD dispositivos de fibra tica ou transmissores est o instalados observe o seguinte e N o remova as tampas A remo o das tampas do produto a laser pode resultar em exp
101. anel and hinges For access remove these FRUS in order e 1010 Battery pack on page 60 e 1030 DIMM slot cover on page 62 e 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive SSD and storage converter on page 65 1060 Keyboard on page 67 1080 PCI Express Mini Card for wireless LAN on page 71 1090 PCI Express Mini Card for wireless WAN on page 73 1100 Keyboard bezel assembly on page 75 98 ThinkPad T520 T520i and W520 Hardware Maintenance Manual e 1170 LCD unit on page 86 2010 LCD bezel assembly on page 96 Table 40 Removal steps of LCD cable camera cable LCD panel and hinges In step release the antenna cables from the left and right hinges Step Screw quantity Torque H M2 5 x 6 mm wafer head nylon coated 4 Black 0 392 Nm 4 0 kgfcm When installing When attaching the LCD panel to the cover press the left and right edges covered with metal gently with your fingers DO NOT press the surface of the panel or apply any excessive force to the panel Chapter 9 Removing and replacing a FRU 99 Table 40 Removal steps of LCD cable camera cable LCD panel hinges continued When installing Make sure that the LCD cable connector is attached firmly 100 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 40 Removal steps of LCD cable camera cable LCD panel hinge
102. apply physical shock to the computer while the test is running Table 34 Location of major sensitive components on the system board Following components soldered on the top side of the system board are extremely sensitive When you service the system board avoid any kind of rough handling CPU Accelerometer chip for the HDD Active Protection System PCH Platform Controller Hub Graphics Note EH Graphics is only for the Switchable Graphics models and Workstation models The system board in Integrated Graphics models does not have this chip Chapter 9 Removing and replacing a FRU 93 Table 34 Location of major sensitive components the system board continued For Integrated Graphics models X E m Ei For Switchable Graphics models E E 1 For Workstation models 3 11 94 ThinkPad 7520 T520i and W520 Hardware Maintenance Manual Table 35 Removal steps of system board magnesium structure frame Screw quantity Torque Hex stud nylon coated 2 Silver 0 392 Nm 4 0 kgfcm M2 x 7 mm wafer head nylon coated 2 Silver 0 181 Nm 1 85 kgfcm M2 x 3 mm wafer head nylon coated 1 Silver 0 181 Nm 1 85 kgfem When installing When you replace the system board attach thermal rubbers as shown in this figure Depending on the models you are servicing the number of thermal rubbers are different Check the thermal rubbers on the old system board and find duplicates o
103. apter Checking operational charging Checking the battery pack Checking the backup battery Chapter 4 Related service information Restoring the factory contents 2 using Recovery Disc Set Passwords T Power on password Hard disk password Supervisor password How remove the power on password How to remove the hard disk password Copyright Lenovo 2011 N lt 17 23 23 24 24 24 24 24 25 27 27 28 28 30 31 32 33 33 33 34 35 35 36 36 36 37 37 37 Power management Screen blank mode Sleep standby mode Hibernation mode Symptom to FRU index Numeric error codes Error messages Beep symptoms No beep symptoms LCD related symptoms Intermittent problems Undetermined problems Chapter 5 Installing and aan RAID Supported RAID Configurations Configuring the system BIOS enable embedded SATA RAID functionality Creating RAID volumes Deleting RAID volumes Chapter 6 Status indicators Chapter 7 Fn key combinations Chapter 8 FRU replacement notices Screw notices Retaining serial numbers Restoring the serial number ot the unit Retaining the UUID Reading writing the ECA info mon e per 9 dii a FRU Before servicing ThinkPad T520 T520i W520 2 1010 Battery pack 1020 Serial
104. are pressed the computer does not enter the hibernation mode immediately Do not move the system until the sleep standby status indicator stops blinking Moving the computer when it is entering hibernation might cause corruption of the hard disk drive 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 52 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 8 key combinations continued computer display becomes brighter The purpose of this method is to change the brightness level temporarily On Windows Vista the default brightness level is loaded after sleep standby hibernation reboot or detaching or attaching an ac adapter To change the default brightness level change the settings of the Power Option in the Control Panel or use the Power Manager The computer display becomes dimmer The purpose of this method is to change the brightness level temporarily On Windows Vista the default brightness level is loaded after sleep standby hibernation reboot or detaching or attaching an ac adapter To change the default brightness level change the settings of the Power Option in the Control Panel or use the Power Manager Fn Spacebar Enable the FullScreen Magnifier function Have the same function as the SysRq ke
105. as 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 modeles cit s dans la liste de pieces d tach es ad quate Une batterie ou une pile inappropri 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 pieces 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 Sile 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 m
106. cator does not turn on If the voltage is still less than 11 0 V dc after recharging replace the battery 4 If the voltage is more than 11 0 V dc measure the resistance between battery terminals 5 and 7 The resistance must be 4 to 30 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 adapter from it Turn the computer upside down Remove the battery pack see 1010 Battery pack on page 60 Remove the backup battery see 1120 Backup battery on page 78 Measure the voltage of the backup battery See the following figure Red we Voas w Red q O N 42 5 to 43 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 34 ThinkPad T520 T520i and W520 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 35 e Passwords on page 36 e Power management on page 38 e Symptom to FRU index on page 39 Service Web site When the latest maintenance diskette and the system program service diskette become available they will be posted on http www lenov
107. ce Manual When you replace the system board you must set the UUID the new system board 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 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 E
108. ct Note When the UEFI BIOS was formatted or the system board was replaced in the RAID supported models RAID is enabled by default Important notices for setting RAID Before you install and configure RAID make sure of the current RAID setting on the computer you are servicing This product supports either RAID Level 0 RAID 0 or RAID Level 1 RAID 1 Confirm the RAID setting information provided from the customer at first then proceed with the installation Good or non failing drives have to be in HDD bay 0 if you have RAID 1 Supported RAID configurations on page 45 Configuring the system UEFI BIOS to enable embedded SATA RAID functionality on page 45 Creating RAID volumes on page 45 Deleting RAID volumes on page 46 Supported RAID configurations The following RAID configurations are supported on ThinkPad W520 RAID Level 0 RAID 0 Striped disk array Better performance and no fault tolerance RAID Level 1 RAID 1 Mirrored disk array Improved read performance and 100 redundancy Configuring the system UEFI BIOS to enable embedded SATA RAID functionality To configure the UEFI BIOS for RAID do as follows 1 Press F1 to enter the ThinkPad Setup menu Select Config Select Serial ATA SATA Select SATA Controller Mode Option Select RAID Press F10 to save the settings Note 5 Controller Mode Option is recovered to RAID default When yo
109. d restart the computer 2 From the main 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 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 5555555 Product ID on rear label TTTT MMM Use this number when setting Serial Number In the example the Serial Number to be input is 1STTTTMMMSSSSSSS Retaining the UUID 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 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 56 ThinkPad 520 T520i and W520 Hardware Maintenan
110. d to enable it by using Configuration utility for DOS The utility is available on the following Web site http www lenovo com support PC Doctor cannot be used to test a device that is in the docking station even if the computer supports the docking station To test a USB device connect it to the USB connector of the computer Testing the computer Note The PC Doctor diagnostic CD does not support any optical drives connected through USB devices or any others It supports only the internal optical drive of the ThinkPad Notebook To run the test do as follows 1 2 3 O Q Turn off the computer Make sure that the internal optical drive that is supported as a startup device is attached to the computer Turn on the computer If the computer cannot be powered on go to Power system checkout on page 32 and check the power sources If an error code appears go to Symptom to FRU index on page 39 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 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 pul
111. do not remove the plastic cover that protects the lower part of the inverter card DANGER Though the main batteries have low voltage a shorted 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 OS Bale aS FRU ang aula J Sala eA all aiy ally 5 US Cus gual Ala yuan Cs sua co Gh il ull 333 14 ol Ja censi af biaa 446 Cy e gin Yy of JUN sli La aii Yy 5 2361 4 44 gll a Las Ay a 5 laa of E si 48 dya Al Aula 6313 Ay egi 1 gf 16241 JUN qu Une Lill of 1653 aii Y JEAN Bala Oa 446 Ay ja giai 3 ja galii ga 3 jaa 9 18 43 Aa ja cil 2 queda ga Ai
112. duct 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 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 Copyright Lenovo 2011 165 Electronic emissions notices For electronic emission information on Class B digital devices refer to the corresponding information in the User Guide C Trademarks The following terms are trademarks of Lenovo in the United States other countries or both Active Protection System Lenovo ThinkLight ThinkPad ThinkVantage TrackPoint Ultrabay UltraNav The following terms are trademarks of Microsoft Corporation in the United States other countries or both Windows Windows Vista The following terms are trademarks of Intel Corporation or its subsidiaries in the United States other countries or both Intel Intel Centrino Intel Core Other company product or service names may be the trademarks or service marks of others 166 ThinkPad T520 T520i and W520 Hardware Maintenance Manual ThinkPad Part Number 0A
113. e 42 Parts list Overall continued ID 21 21 21 1 Thermal module for W520 55W 4239 CTO 22x 25x 27x 28x 2Zx 35x 3Nx 46x 47x 48x 49x 4Bx 4Cx 4240 CTO 29x 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Jx 2Kx 2Lx 2Mx 2Sx 2Tx 2Xx 3Bx 3Cx 3Hx 3Jx 3Lx 3Mx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Zx 46x 4Ax 4Bx 4Dx 4Ex 4Kx 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 47x 48x 4242 CTO 22x 23x 24x 25x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Px 2Qx 2Rx 2Zx 32x 34 39x 3Cx 3Ex 3Hx 3Kx 3Mx 3Nx 3Px 44x 45 47x 48x 4Ax 4Ex 4Qx 4Rx 4Sx 4Wx 56x 57x 58x 4243 CTO 29x 3Rx 3Sx 3Wx 3Xx 3Yx 3Zx 4Bx 4Wx 4Yx 4244 CTO 4246 CTO 21 Thermal module for T520 and T520i integrated graphics models Thermal module for T520 and T520i integrated graphics models 4239 CTO 22x 25x 27x 28x 2Zx 35x 3Nx 46x 47x 48x 49x 4Bx 4Cx 4240 CTO 29x 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Jx 2Kx 2Lx 2Mx 2Sx 2Tx 2Xx 3Bx 3Cx 3Hx 3Jx 3Lx 3Mx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Zx 46x 4Ax 4Bx 4Dx 4Ex 4Kx 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 47x 48x 4242 22x 23x 24x 25x 29x 2 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2 2Px 20x 2Rx 2Zx 32x 34x 39x 3Cx 3Hx 3Kx 3Mx 3Nx 3Px 44x 45x 47x 48x 4Ax 4Ex 4Qx 4Rx 45 4Wx 56x 57x 58x 4243 CTO 29x 3Rx 3Sx 3Wx 3Xx 3Yx 3Zx
114. e RAID volume to be deleted and press Delete 4 When prompted press Y key to confirm the deletion of the selected RAID volume 5 After deleting a RAID volume you can Return to step 2 to delete additional RAID volume e See Creating RAID volumes on page 45 for RAID volume creation Use the arrow keys to select Exit and press Enter Use the arrow keys to select Resetting disks to non RAID and press Enter Attention If the Serial ATA item in the ThinkPad Setup menu of the computer you are servicing was set to AHCI when it was manufactured then to create a RAID array you must first enable RAID in UEFI BIOS create RAID volume and then reinstall the operating system data on the hard disks will be erased during this process For more information see Creating RAID volumes on page 45 46 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Chapter 6 Status indicators This chapter presents the system status indicators that show the status of the computer 47 Copyright Lenovo 2011 Table 7 Status indicators Speaker mute mute Wireless LAN Wireless WAN or WIMAX status Blinking green Bluetooth wireless Status Green 9 Blinking green Device access B The speaker is on mute To set the speakers on mute or unmute press the speaker mute button The microphone is on mute None of the recording devices is available while the microphone mute is
115. e clothing or fasten it with a nonconductive clip about 8 centimeters 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 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
116. e isso sacudindo 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 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 combustao ou explos o da bateria PERIGO O pacote da bateria cont m uma pequena quantidade de n quel o desmonte jogue o no fogo ou 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 combustao ou explos o da bateria A PERIGO Chapter 1 Safety information 7 bateria de l tio pode causar inc ndio explos o ou graves queimaduras N o a recarregue remova seu conector polarizado desmonte a aqueca a de 100 C 212 F ou exponha conte do de sua c lula gua Descarte 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
117. e keyboard by tightening the screws from the bottom side of the computer 1070 DIMM upper slot For access remove these FRUS in order e 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 e 1060 Keyboard on page 67 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 19 Removal steps of DIMM upper slot ep Note For ThinkPad W520 if only one DIMM is used on the computer you are servicing the card must be installed in SLOT 0 E but not SLOT 2 3 When installing Insert the notched end of the DIMM into the socket Press the DIMM firmly and pivot it until it snaps into the place Make sure that it is firmly fixed in the slot and does not move easily 1080 PCI Express Mini Card for wireless LAN For access remove these FRUS in order 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 1060 Keyboard on page 67 Chapter 9 Removing and replacing aFRU 71 Table 20 Removal steps of PCI Express Mini for wireless LAN In step El unplug the jacks by using the antenna RF connector removal tool P N 08K7159 or pick the connectors with your fingers and gently unplug them in direction of the arrow Note Some models might have only two antenna cables in step El Step Screw quantity Torque BH M2 x 3
118. ective 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 43 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 0177 Bad SVP data stop POST task The checksum of the supervisor password in the EEPROM 16 not correct 0182 Bad CRC2 Enter UEFI BIOS Setup and load Setup defaults The checksum of the CRS2 setting in the EEPROM is not correct 0183 Bad CRC of Security Settings in EFI Variable Enter ThinkPad Setup 0187 EAIA data access error The access to EEPROM is failed 0188 Invalid RFID Serialization Information Area 0189 Invalid RFID configuration information area The EEPROM checksum is not correct 0190 1 Charge the battery pack Critical low battery error 2 Battery pack 0191 System Security Invalid Remote Change requested 0199 System Security Security password retry count exceeded 0251 System CMOS checksum bad Default configuration used 0271 Real time clock error Check date and time settings
119. eing dropped 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 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 f the spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or dropped 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 det
120. els 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 and GAV products These sources are PEW eSupport and the HMM Using PEW 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 Remember all and products are loaded in PEW under the 4 digit MT and 3 digit model where model Example 1829 GAVs are loaded in PEW under the 4 digit MT and 3 digit model where model a fixed part number not Example 1829 F1U e PEW can be accessed at the following Web site http www lenovo com support site wss document do IndocidZLOOK 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 C
121. eneral checkout This chapter presents following information e What to do first on page 27 e Checkout guide on page 28 Diagnostics using PC Doctor for DOS on page 28 Lenovo ThinkVantage Toolbox on page 30 FRU tests on page 31 e Power system checkout on page 32 The descriptions in this chapter apply to any ThinkPad model that supports the PC Doctor amp for DOS diagnostics program Some descriptions might not apply to your particular computer Before you go to the checkout guide be sure to read the following important notes Important Only certified trained personnel should service the computer Before replacing any FRU read the entire page on removing and replacing FRUs When you replace FRUs use new nylon coated screws 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 FRU 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 repl
122. ente 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 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 vr 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 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 Chapter 1 Safety information 15 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 Neon FRU FALH 1 Hebr BB RE E FH DR teto RABAT EA TIERE mn 881556 ONE SESI NICE ARE MEN ES S OL 322188 06 EN
123. erden 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 Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren A VORSICHT 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 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
124. et access to the ThinkPad Setup 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 A If no SVP has been set To remove a POP that you have forgotten do the following 1 Turn off the computer 2 Remove the battery pack For how to remove the battery pack see 1010 Battery pack on page 60 3 Remove the backup battery For how to remove the backup battery see 1120 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 ThinkPad Setup When Power On Password icon is appearing on the screen enter the Power On Password 3 Type the supervisor password when the system requires it and press enter The ThinkPad Setup window opens Select Security using the cursor directional keys to move the menu Select Password Select Power On Password Type the current Power On Password in the Enter Current Password field then leave the Enter New Password field blank and press Enter tw
125. f them in the new FRU package and apply them to the new system board Chapter 9 Removing and replacing FRU 95 Table 36 Removal steps of Note Only some selected models are installed with a MDC Step Screw quantity Torque 0 181 Nm M2 x 3 mm wafer head nylon coated 2 Silver 1 85 kgfcm 2010 LCD bezel assembly For access remove this FRU e 1010 Battery pack on page 60 Table 37 Removal steps of LCD bezel assembly 0 392 Nm M2 5 x 6 mm wafer head nylon coated 3 Black 4 0 kgfcm 96 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 37 Removal steps of LCD bezel assembly continued When installing Make sure that all the latches are attached firmly 2020 LED sub card For access remove these FRUS in order 1010 Battery pack on page 60 e 2010 LCD bezel assembly on page 96 Table 38 Removal steps of LED sub card Note Some models do not have connector Chapter 9 Removing and replacing a FRU 97 2030 Integrated camera For access remove these FRUS in order e 1010 Battery pack on page 60 e 2010 LCD bezel assembly on page 96 Table 39 Removal steps of integrated camera Step Screw quantity Torque M2 x 3 mm wafer head nylon coated 1 Silver 0 181 Nm 1 85 kgfcm When installling Make sure that the connector of the integrated camera is attached firmly 2040 LCD cable camera cable LCD p
126. ice In the Changes have been saved window press Enter 9 Press F10 then in the Setup confirmation window select Yes oo How to remove the hard disk password Attention User only mode is selected and the user 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 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 ThinkPad Setup When Power On Password icon is appearing on the screen enter the Power On Password Chapter 4 Related service information 37 Select Security using the cursor directional keys to move the menu Select Password Select Hard disk x password where x is the letter of the hard disk drive 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 Configuration window Both user HDP and master HDP will have been removed NO QO Power management To reduce power consumption the computer has three power management modes sc
127. ing requirements on page 4 Safety notices multilingual 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 Lift by standing or 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 insid
128. intenance Manual Table 27 Removal steps of dummy card and spacer 7 5 N 2 7 f lj Mi a p 4 a N x 0 IN AA 4 N gt 2 AS 4 v 7 100 W 9 NEN QN V V 2 Nd Vo 974 y NA A N Torque Color Screw quantity Step 0 181 Nm 1 85 Silver eo coated nylon wafer head M2 x 3 mm 1140 Speaker assembly For access remove these FRUS in order on page 75 on page 62 1010 Battery pack on page 60 1030 DIMM slot cover 1060 Keyboard on page 67 1100 Keyboard bezel assembly Chapter 9 Removing and replacing a 81 Table 28 Removal steps of speaker assembly Torque Screw quantity M2 x 3 mm Step 0 181 Nm 1 85 kgfcm 2 head wafer When installing Make sure that the speaker connector is attached firmly Then route the cables and secure them properly as shown in the figure above 82 ThinkPad T520 T520i and W5
129. ive 128 GB 7 mm height 45N8007 4239 CTO 26x 4240 CTO 2Vx 4241 CTO 4242 CTO 25x 2Fx 27 34x 3Gx 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO 15 SATA 2 5 solid state drive 128 GB 7 mm height 45N7981 4239 26 4240 2 4241 4242 25 2 27 34 4243 4244 4246 4249 4260 4270 4276 4281 4282 4284 Chapter 11 Parts list 135 Table 42 Parts list Overall continued SATA 2 5 solid state drive 160 GB 7 mm height 45N8057 136 4239 CTO 4240 CTO 4241 CTO 4242 CTO 2Ax 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 2Zx 36x 4281 CTO 4282 25 32x 4284 CTO 43x e 4243 CTO 27x 28x 3Ux 3Vx 4Jx 4Ux 4Vx 4Xx 5Ax e 4244 CTO e 4246 CTO System board assembly for T520 and T520i integrated AMT non TPM 04W2022 4239 CTO 4240 CTO 4241 CTO 4242 CTO 44x 4243 CTO 4244 CTO 4246 CTO System board assembly for T520 and T520i optimus AMT non TPM 04W2023 N 4239 33x 4240 CTO 4241 CTO 4242 4 4243 4244 4246 ThinkPad T520 T520i W520 Hardware Maintenance Manual ID System board assembly for T520 and T520i integrated AMT TPM 04W2020 4239 CTO 22x 25x 46x 4240 CT
130. l 60Y5512 4239 CTO 4240 CTO 4241 CTO 4242 CTO 3Gx 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO Chapter 11 Parts list 117 Table 42 Parts list Overall continued FRU Overall 1 DDR3 1333 SDRAM SO DIMM 55Y3715 e 4239 CTO 2Zx e 4240 2Xx 3Gx 3Zx e 4241 46x e 4242 CTO AZx 52x e 4243 CTO e 4244 CTO e 4246 CTO e 4249 CTO e 4260 CTO e 4270 CTO e 4276 CTO 25x e 4281 CTO 4282 CTO e 4284 CTO 2 GB DDR3 1333 SDRAM SO DIMM card 55Y3716 e 4239 CTO 22x 23x 25x 27x 28x 27 32x 33x 35x 36x 48x 49x 4Bx e 4240 2Bx 2Ex 2Fx 2Gx 2Hx 2Jx 2 2Lx 2Mx 2 2 2Qx 2Rx 25 2 2Xx 2Yx 3Bx 3Gx 3Hx 3Mx 35 3Wx 3Xx 3Yx 3Zx 4Bx 4Cx 4Dx 4 4Nx 4Qx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 23x 27x 28x 29x 2Bx 2Cx 2Dx 2Hx 2Px 2Qx 2Rx 39x 3Ax 3Cx 3Dx 3Mx 3Nx 3Px 44x 45x 46x 4Mx 40x ARx 45 4 AZx 52x 56x 57x e 4243 CTO 27x 28x 29x 35 3Xx 3Yx 4 e 4244 CTO e 4246 CTO e 4249 CTO e 4260 CTO e 4270 CTO e 4276 CTO 22x 24x 25x 2 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Rx 2Vx e 4281 CTO e 4282 CTO 25x 2Vx 2Wx 3Cx 3Hx 3Ux e 4284 CTO 25x 3Ux 3Vx 3Wx 3Xx 3Zx 42x 43x 45x 118 ThinkPad
131. l down menu appears Its 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 Utility Quit F1 Help Run Normal Test Run Quick Test CPU Coprocessor System Memory Systemboard Video Adapter Fixed Disks Diskette Drives Other Devices Communication Wireless LAN 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 29 Diagnostics Interactive Tests Run Normal Test Keyboard Run Quick Test Video CPU Coprocessor Internal Speaker System Memory Mouse System board Diskette Video Adapter System Load Fixed Disks Optical Drive Test Diskette Drives Intel WLAN Radio Test Other Devices ThinkPad Devices Communication Wireless LAN 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 your 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
132. lled on the magnesium structure frame If the computer is equipped with an MDC the modem port is also installed on the magnesium structure frame For access remove these FRUs in order e 1010 Battery pack on page 60 1020 Serial Ultrabay Enhanced device or travel bezel on page 61 1030 DIMM slot cover on page 62 1040 DIMM bottom slot on page 63 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive 550 and storage converter on page 65 1060 Keyboard on page 67 1070 DIMM upper slot on page 70 1080 PCI Express Mini Card for wireless LAN on page 71 1090 PCI Express Mini Card for wireless WAN on page 73 92 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 1100 Keyboard assembly page 75 1110 Bluetooth daughter BDC 3 0 page 77 1120 Backup battery page 78 1130 Smart Card Smart Card dummy spacer on page 79 1140 Speaker assembly on page 81 1150 Thermal module on page 83 1160 CPU on page 85 1170 LCD unit on page 86 1180 Base cover assembly on page 89 1190 I O sub card on page 91 Important notices for RAID setting Before you replace the system board make sure that you read Chapter 5 Installing and configuring RAID on page 45 and have the necessary information After you replaced the system board RAID mode is recovered as default To confirm the SATA mode setting you ca
133. low 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 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 pro
134. m 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 37 Hard disk password There are two hard disk passwords HDPs e User HDP for the user Master HDP 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 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 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 36 ThinkPad T520 T520i and W520 Hardware Maintenance Manual service technicians provide any services to reset either the user the master 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 37 Supervisor password A supervisor password SVP protects the system information stored in the ThinkPad Setup The user must enter the SVP in order to g
135. me for T520 and T520i discrete models 04W1671 4239 CTO 23x 24x 26x 32x 33x 34x 36x 37x 38x 39x 42x 43x 44x 45x 4 4240 CTO 2 2Hx 2 2Px 2Qx 2Rx 20 2Vx 2Yx 3Dx 3Fx 3Gx 3Kx 3Xx 3Yx 47x 48x 49x 4 AFx 4Gx 4Hx 4Jx 4Lx 4241 CTO 43x 44x 45x 46x 4242 CTO 27x 28x 2Jx 2Kx 2Lx 2 2 2Sx 2 2Ux 2Vx 2Wx 2Xx 2Yx 33x 35x 36x 37x 38x 3Dx 3Gx 3Jx 3Lx 3Qx 46x 49x 4Cx 4Dx AFx 4Gx 4 4Mx 4Tx 4Ux 4 AXx AYx 47 52x 53x 54 55x 59x 4243 27x 28x 3Ux 3Vx 4Jx 4Ux 4 4 5Ax 4244 CTO 4246 CTO 20 Magnesium structure frame for T520 and T520i integrated models 04W1573 N e 4239 CTO 22x 25x 27x 28x 2Zx 35x 3Nx 46x 47x 48x 49x ABx 4 e 4240 CTO 29x 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Jx 2 2Lx 2Mx 28x 2 2Xx 3Bx 3Cx 3Hx 3Jx 3Mx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Zx 46x 4 4 4Dx 4 4Kx ANx 4Qx 4241 CTO 26x 42x 47x 48x e 4242 CTO 22x 23x 24x 25x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Px 20x 2Rx 2Zx 32x 34x 39x 3Ax 3Cx 3Hx 3Kx 3Nx 3Px 44x 45x 47x 48x 4Ax 4Ex 4Qx 4Rx 45 4Wx 56x 57x 58x 4243 CTO 29x 3Rx 38x 3Wx 3Xx 3Yx 3Zx 4 4Wx 4Yx Magnesium structure frame for workstation models 04W1672 IN Chapter 11 Parts list 14
136. mm wafer head nylon coated 1 Silver 0 181 Nm 1 85 kgfcm 72 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 20 Removal steps of PCI Express Mini Card for wireless LAN continued When installing n models with wireless LAN card that has two antenna connectors plug the gray cable into the jack labeled MAIN or M and the black cable into the jack labeled AUX or A on the card If the computer you are servicing has three cables put the white cable in the cable protection tube as shown in this figure n models with wireless LAN card that has three antenna connectors plug the gray cable MAIN into the jack labeled TR1 the white cable 3rd into jack labeled RO or TR3 and the black cable AUX into jack labeled TR2 on the card 1090 PCI Express Mini Card for wireless WAN For access remove these FRUS in order 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 1060 Keyboard on page 67 Chapter 9 Removing and replacing FRU 73 Table 21 Removal steps of PCI Express Mini for wireless WAN In step El unplug the jacks by using the antenna RF connector removal tool P N 08K7159 or pick the connectors with your fingers and gently unplug them in direction of the arrow 21 N lt TH N Torque Screw quantity Step 0 181 Nm 1 M2 3 mm wafer head nylon coated 1 85 kgfcm 74 ThinkPad
137. monitor connector DisplayPort AC power connector RJ 11 modem connector for some models USB connector 104 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Bottom view Battery pack Battery pack latch Docking connector Solid state drive SSD or hard disk drive HDD slot DIMM slot bottom LCD cover latch Serial Ultrabay Enhanced lock latch ganan Serial Enhanced eject latch Chapter 10 Locations 105 106 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Chapter 11 Parts list This chapter contains following lists of the service parts Overall on page 108 LCD FRUs on page 149 Keyboard on page 156 Miscellaneous parts on page 157 AC adapters on page 158 Power cords on page 159 Recovery discs on page 160 Common service tools on page 164 Notes 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 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 e A CRU customer replaceable unit is identified by a single asterisk or two asterisks in the CRU ID column An N in the CRU ID col
138. moval steps of battery pack continued 8 When installing Install the battery pack in the slot and then make sure that the battery latch is in the locked position 1020 Serial Ultrabay Enhanced device or travel bezel For access remove this FRU e 1010 Battery pack on page 60 Table 11 Removal steps of Serial Ultrabay Enhanced device or travel bezel Holding the bay lock latch in the unlocked position slide the bay eject latch E and then pull out the Serial Ultrabay Enhanced device or the travel bezel in the direction shown by arrow Chapter 9 Removing and replacing a FRU 61 Table 11 Removal steps of Serial Ultrabay Enhanced device or travel continued 1030 DIMM slot cover For access remove this FRU 1010 Battery pack on page 60 Table 12 Removal steps of DIMM slot cover Note Loosen the screws but do not remove them 62 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 12 Removal steps of DIMM slot cover continued 1040 DIMM bottom slot For access remove these FRUs in order e 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 Chapter 9 Removing and replacing FRU 63 Table 13 Removal steps of DIMM bottom slot For ThinkPad T520 and T520i O NNNNNNY AN
139. ms 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 operating correctly See Power system checkout on page 32 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 Non ThinkPad devices Devices attached to the docking station or the port replicator Printer mouse and other external devices Battery pack Hard disk drive External diskette drive or optical drive DIMM Optical disk or diskette in the internal drive PC Cards 4 on the computer 5 Determine whether the problem has been solved 6 If the problem does not recur reconnect the removed devices one at a time until you find the failing FRU 7 If the problem remains replace the following FRUs one at a time do not replace a nondefective FRU a System board b LCD assembly 7e p 20009 44 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Chapter 5 Installing configuring RAID This chapter presents following information about attaching SATA devices and configuring RAID for the RAID supported models in this produ
140. ms You should use good judgment to identify potential safety hazards due to attachment of non ThinkPad features or options not covered by this inspection guide If any unsafe conditions are present you must determine how serious the apparent hazard could be and whether you can continue without first correcting the problem Consider these conditions and the safety hazards they present Electrical hazards especially primary power primary voltage on the frame can cause serious or fatal electrical shock e Explosive hazards such as a damaged face or a bulging capacitor 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 Athird 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
141. n see the setting in ThinkPad Setup menu as follows Config gt Serial SATA gt SATA Controller Mode Option gt RAID Compatibility AHCI Important notices for handling the system board When handling the system board bear the following in mind 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 or composite If a system board is dropped you must test it using PC Doctor for DOS to make sure that the HDD Active Protection still functions see below Note If the test shows that HDD Active Protection 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 conductive corrugated material After replacing the system board run PC Doctor for DOS to make sure that HDD Active Protection 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
142. nance 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 23 Strategy for replacing a hard disk drive on page 24 Important notice for replacing a system board on page 24 How to use error message on page 24 e Strategy for replacing FRUs for CTO CMV and on page 24 Product definition on page 24 FRU identification for CTO CMV and GAV products on page 25 Important Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes drivers and UEFI BIOS downloads Telephone numbers for Lenovo Support are available at http www lenovo com support phone 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 com ion Advise customers to contact the Customer Support Center at 800 426 7378 ifthey need assistance in obtaining or installing any software fixes drivers and UEFI BIOS downloads Customers in Canada should call the Customer Support Center at 800 565 3344 for assistance or download information Strategy for replacing FRUs Before replacing parts Make sure that all software fixes drivers and UEF
143. ndicators 49 50 ThinkPad 520 T520i W520 Hardware Maintenance Manual Chapter 7 key combinations The following table shows the function of each combination of Fn with a function key Table 8 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 To use this combination of the keys ThinkPad PM device driver must have been installed on the computer If you have logged on with an administrator user ID in Windows XP and you press Fn F3 the panel for selecting a power scheme appears If you have logged on with another user ID in Windows XP and you press Fn F3 the panel does not appear 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 To use this combination of the keys ThinkPad PM device driver must have been installed on the computer 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 Power Manager Fn F5 Enable or disable the built in wireless networking features If you press Fn F5 a list of wireless features is displayed You can quickly change the power
144. 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 takes several hours The length of time depends on the method you use If you use recovery discs recovery takes at least five 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 c Select the CD DVD drive as the 1st Boot Device 2 Insert the Operating System Recovery Disc into the DVD drive Copyright Lenovo 2011 35 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 If you have a Supplemental Recovery Disc i
145. nsert 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 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 password prompt does not appear when the operating syste
146. o com spm Restoring the factory contents by using Recovery Disc Set When the hard disk drive HDD or solid state drive SSD is replaced because of a failure no product recovery program is on the new drive In this case you must use the Recovery Disc Set for the computer Order the Recovery Disc Set and the drive at the same time so that you can recover the new drive with the pre installed software when they arrive For information on which discs to order see Recovery discs on page 160 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 amp 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 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 media or a
147. oins quinze minutes Consultez un m decin si des sympt mes persistent apr s le lavage DANGER 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 principales 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 Chapter 1 Safety information 9 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 mu 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 w
148. or ThinkPad 520 and T520i continued e ee EM 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 xxF xxJ xxL xxP xxS xxU xxY 4274431 2 90 W 20 V adapter models xxF xxJ xxL xxS xxU xxY 42T4435 2 pin 90 W 20 V adapter models CTO xxE xxF xxJ xxL xxP xxS xxU xxY 4274439 2 pin 135 W 20 V adapter models xxE xxF xxJ xxL xxP 5 xxU xxY 4530055 2 135 W 20 V adapter models xxF xxJ xxL xxP 5 xxU xxY 45 0059 2 135 W 20 adapter models xxP 45 0080 Table 47 Parts list 2 pin ac adapters for ThinkPad W520 SER 2 pin 170 W 20 V adapter models xxE xxF xxJ xxL xxP xxS xxU 45N0114 2 pin 170 W 20 V adapter models xxE xxF xxJ xxL xxP xxS xxU xxY 45 0118 Table 48 Parts list 3 pin ac adapters for ThinkPad T520 T520i 3 pin 65 W 20 V adapter models CTO xxG xxH xxK xxM xxQ xxT xxV 3 pin 90 W 20 V adapter models CTO xxG xxH xxK xxM xxQ xxT xxV 42T4433 3 pin 90 W 20 V adapter models xxA xxB xxG xxH xxK xxM xxQ xxT xxV 45N0068 3 pin 135 W 20 V adapter models xxA xxB xxG xxH xxK xxM xxQ xxT xxV 45N0053 3 pin 135 W 20 V adapter models xxA xxB xx
149. orage converter Note Loosen the screw but do not remove it Table 15 Removal steps of HDD and HDD rubber rails 66 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 16 Removal steps of SSD SSD spacers When installing Make sure that the SSD connector or HDD connector is attached firmly 1060 Keyboard For access remove these FRUS in order e 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 Table 17 Removal steps of keyboard Step Screw quantity Torque m M2 x 14 mm wafer head nylon coated 2 0 181 Nm 1 85 kgfcm Chapter 9 Removing and replacing FRU 67 1 Push down the keyboard a little toward the arrow until the front edge of the keyboard is detached from Table 17 Removal steps of keyboard continued the keyboard bezel Y 4 2 Lift the keyboard a little in the direction shown by arrow El and then detach the connector EL 68 ThinkPad 520 T520i and W520 Hardware Maintenance Manual When installing the keyboard do as follows Table 18 Installation steps of keyboard 1 Attach the keyboard connector 2 Attach the keyboard so that the keyboard edges are under the frame as shown in this figure Chapter 9 Removing and replacing FRU 69 Table 18 Installation steps of keyboard continued 3 Gently press the keys with your thumbs and try to slide the keyboard toward you 5 Secure th
150. osi o prejudicial radia o de laser N o h pe as que permitam manuten o no interior do dispositivo 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 Algumas produtos a laser cont m um diodo de laser Classe ou Classe 3B integrado Observe o seguinte Radiac o a laser quando aberta olhe diretamente para o feixe olho nu ou com instrumentos ticos e evite exposic o direta ao feixe 18 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 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 Neretirez pas les carters En ouvrant le produit laser vous vous exposez au rayonnement dangereux du laser Aucune piece de l unit n est r 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 A cen Certains produits laser contiennent une diode a laser int gr e de classe 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 A Vorsicht
151. otifies 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 Press the Fn key e Open the LCD cover Turn on the power switch 38 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Also either of the following events the computer automatically returns from sleep standby mode resumes operation The ring indicator RI is signaled by a serial device or a PC Card device does not support the ring indicator RI resume by PC Card device 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 docking 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 have defined one of the following actions as the event that causes the sys
152. ped with a kit containing labels of several kinds When you replace the base cover you need to apply the following labels FCC label Serial number label Homologation label Following labels need to be peeled off from the old base cover and need to be put on the new base cover Windows license label COA Information label EH IMEI barcode label 90 ThinkPad T520 T520i and W520 Hardware Maintenance Manual address label Vodafone label Israel label Modem label only for PRC models China wireless WAN label Modem AMOM label only for Brazil Bluetooth label only for Brazil ra Og 3 1021 14 E Wireless label only for Brazil SIRIM label Asset tag label For some models you also need to apply one or two FCC labels Check the old base cover if it has one or two FCC labels find duplicates of them in the label kit and apply them to the new base cover For the location of each label refer the following figure IE PO 2777277777777777777 8 NN 5555 0 555555555 777777777 T NIS NINO NIS NIS
153. performance or safety of unauthorized batteries and provides no warranties for failures or damage arising out of their use The connected AC adapter has a lower wattage than the Charge the ac power adapter recommended model which was shipped with the system This will increase the time to charge the battery and system performance will be adjusted to match the available power Please connect the AC adapter which was shipped with the system for best system performance Press the ESC key to continue Docking station is removed or its ID is different press F3 to power off System and restore correct docking station press F4 to normal boot Beep symptoms Table 4 Beep symptoms Symptom or error FRU or action in sequence One beep and a blank unreadable or flashing LCD Reseat the LCD connector LCD assembly External CRT System board One long and two short beeps and a blank or unreadable System board LCD LCD assembly DIMM 3 Two short beeps with error codes POST error See Numeric error codes on page 40 Two short beeps and a blank screen 1 System board 2 DIMM Two or more beeps or a continuous beep Operating If a mini PCI Ethernet card is installed confirm that Alert System starts successfully On LAN 2 in ThinkPad Setup is disabled Three short beeps pause three more short beeps and 1 DIMM one short beep 2 System board One short beep pause three short beeps pause three more short beeps
154. reen 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 You can also put the computer into screen blank mode press ThinkVantage button and use the ThinkVantage Toolbox 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 the settings in Power Manager In certain circumstances the computer goes into sleep standby mode automatically f suspend time has been set on the timer and the user does not 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 Note Even if you do not set the low battery alarm the charge indicator n
155. s continued Step Screw quantity Torque M2 3 mm wafer head nylon coated 4 Silver 0 181 Nm 1 85 kgfcm 2050 Antenna kit and LCD rear cover assembly For access remove these FRUS in order e 1010 Battery pack on page 60 1030 DIMM slot cover on page 62 1050 Hard disk drive slot cover hard disk drive HDD and HDD rubber rails or solid state drive SSD and storage converter on page 65 1060 Keyboard on page 67 1080 PCI Express Mini Card for wireless LAN on page 71 1090 PCI Express Mini Card for wireless WAN on page 73 1100 Keyboard bezel assembly on page 75 1170 LCD unit on page 86 2010 LCD bezel assembly on page 96 2040 LCD cable camera cable LCD panel and hinges on page 98 Table 41 Removal steps of antenna kit and LCD rear cover assembly Chapter 9 Removing and replacing aFRU 101 Table 41 Removal steps of antenna kit LCD cover assembly continued Cable routing When you install the antenna kit route the cables as shown in the figures below As you route the cables make sure that they are not subjected to any tension Tension could cause the cables to be damaged by the cable guides or a wire to be broken Wireless WAN antenna AUX blue n Wireless LAN antenna AUX black Wireless LAN antenna 3rd white Wireless LAN antenna MAIN gray EE Wireless WAN MAIN orange TIT TIT tr T
156. tage button You can also run this program as the following Click Start gt Control Panel gt System and Security gt Lenovo System Health and Diagnostics For Windows Vista and Windows XP Click Start gt All Programs gt ThinkVantage gt Lenovo ThinkVantage Toolbox Follow the instructions on the screen Lenovo ThinkVantage 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 Notebook detach it Place the computer on a horizontal surface and run Diagnostics gt ThinkPad Devices gt HDD Active Protection Test Note Do not apply any physical shock to the computer while the test is running Diagnostics gt ThinkPad Devices gt AC Adapter Battery 1 or Battery2 LCD unit 1 Diagnostics Video Adapter 2 Interactive Tests gt Video Audio Enter the ThinkPad Setup and change Serial ATA SATA setting to Compatibility and run Diagnostics gt Other Device Conexant Audio Speaker Interactive Tests 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 Di
157. tem board Remove all but the reader that you set up for the authentication Undock docking station or port replicator if it is attached to the ThinkPad Notebook Place the Notebook on a horizontal surface Do not apply any physical shock to the computer Run Diagnostics gt ThinkPad Devices gt HDD Active Protection Test Reseat the hard disk drive Main hard disk drive System board Reseat the hard disk drive Ultrabay hard disk drive System board Reseat the Mini SATA device Mini SATA device System board Reseat the hard disk drive Main hard disk drive System board Reseat the hard disk drive Ultrabay hard disk drive System board Reseat the Mini SATA device Mini SATA device 3 System board 2 2200 System board Machine Type and Serial Number are invalid 2201 System board Machine UUID is invalid Error messages Table 3 Error messages Symptom or error FRU or action in sequence Fan error 1 Fan 2 Thermal grease 3 System board Thermal sensing error System board Chapter 4 Related service information 41 Table 3 Error messages continued Symptom or error FRU or action in sequence This system does not support batteries that are not Replace the battery genuine Lenovo made or authorized The system will continue to boot but may not charge unauthorized batteries Attention Lenovo has no responsibility for the
158. tem 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 f the timer conditions are satisfied in suspend mode 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 section contains following information Numeric error codes on page 40 Error messages on page 41 Beep symptoms on page 42 No beep symptoms on page 43 LCD related symptoms on page 43 Intermittent problems on page 43 Undetermined problems on page 44 The symptom to FRU index in this section lists symptoms and errors and their possible causes The most likely cause is listed first in boldface type Chapter 4 Related service information 39 Note Do the FRU replacement other actions the sequence shown the column headed FRU action in sequence If replacing a FRU does not solve the problem put the original part back in the computer Do not replace a nondef
159. ter 11 Parts list 155 Table 43 Parts list ThinkPad T520 T520i and W520 LCD FRUS continued El FRU ThinkPad T520 T520i and W520 LCD Dir LCD module 15 6 inch FHD LED backlight with touch panel 04W1511 4249 CTO 4260 4270 4276 22 4281 4282 4284 Table 44 Parts list Keyboard Brazilian Portuguese 45N2215 45N2075 45N2145 Canadian French 058 45N2213 45N2073 45N2143 Canadian French Acnor 45N2212 45N2072 45N2142 Finnish Swedish 45N2097 45N2167 45N2237 Greek U S English and Greek layout 45N2224 45N2084 45N2154 Kazakhstan 45N2229 45N2089 45N2159 Latin American Spanish 45N2074 45N2144 45N2214 156 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 44 Parts list Keyboard continued Language CRU ID Miscellaneous parts Table 45 Parts list Miscellaneous parts CRU ID Screw kit 04W1585 N e M2 x 2 mm black 10 M2 x 3 mm silver 30 e M2 x 4 mm black 20 e M2 x 7 mm black 40 M2 x 14 mm black 40 e M2 5 x 6 mm black 20 e M3x 5 mm black 20 Hex stud 10 e Screw cap oval 10 e Screw cap square 15 Tape kit 04W1586 N e Screw cap oval e Screw cap square Mylar cable A Mylar cable B Mylar speaker cable Chapter 11 Parts list 157 Table 45 Parts list Miscellaneous parts continued CRU ID Base miscellaneous parts 0
160. u use other mode before load default setting in ThinkPad Setup menu such as F9 key you have to restore the setting as you like Creating RAID volumes This section describes how to use the Intel Rapid Storage Technology option ROM Configuration Utility to create RAID volumes Copyright Lenovo 2011 45 create RAID volumes do follows 1 Turn on the computer 2 During the startup when a prompt to press Ctrl I to enter the Configuration Utility is displayed on the Screen press and hold the Ctrl key and press the 1 key 3 The screen for Intel Rapid Storage Technology option ROM is displayed Select Create RAID Volume and press Enter 4 Using the up and down arrow keys Tab keys and Enter key select the RAID level and fill in other fields 5 Select Create Volume by pressing the Enter key When the dialog box appears press the Y key Attention All existing data will be erased while the RAID volume is being created 6 Exit the Configuration Utility Deleting RAID volumes This section describes how to use the Intel Rapid Storage Technology option ROM Configuration Utility to delete RAID volumes To delete RAID volumes do as follows 1 Turn on the computer 2 During the startup when a prompt to press Ctrl I to enter the Configuration Utility is displayed on the Screen press and hold the Ctrl key and press the 1 key 3 The screen for Intel Rapid Storage Technology option ROM is displayed Select th
161. ub card contains a USB port and an Ethernet port 04W1563 10 Battery pack Li ion 4 cell 42T4883 4239 CTO 4240 CTO 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 10 Battery pack Li ion 4 cell 42T4885 4239 CTO 4240 CTO 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO Chapter 11 Parts list 119 Table 42 Parts list Overall continued e 4284 CTO 3Ux 3Vx 3Wx 3Xx 3Zx 42x 46x 47x 48x 10 Battery pack Li ion 6 cell 42T4791 4239 CTO 22x 25x 27x 28x 27 32x 33x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x 4Ax 4Bx 4Cx 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2 2Xx 2Yx 3Bx 3Ox 3Dx SEx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Px 3Qx 3Rx 35 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 4Ax 4Bx 4Cx 4Dx 4 4Fx 4Gx 4Kx 4Lx 4Mx 4Nx 4Px 40x 4241 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 22x 23x 24x 25x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 39x 3Bx 3Cx 3Dx 3Fx 3Gx 3Hx 3Jx 3Lx 3Mx 3Nx 44x 45x 46x 47x 48x 49x AAx 4Cx 4 AFx 4Gx 4Hx 4Mx 40x ARx 45 41 4WX 4 AYx AZx 52x 56x 57x 4243 CTO 29x 3Rx 35 3Wx 3Xx 3Zx 4Jx 4Wx 4 4244 424
162. umn 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 ThinkPad Notebooks contain 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 and keyboard 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 FRUs marked with are available as options O Copyright Lenovo 2011 107 Overall 108 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall ID See Miscellaneous parts on page 157 LCD unit see LCD FRUs on page 149 Palmrest assembly no Fingerprint Reader FPR no Color Sensor CS with SmartCard 04W1365 N Reader e 4239 CTO 22x 4 4240 CTO 4241 CTO 4242 CTO 3Gx 58x 59x 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 2Ux 2Vx 4 4284 CTO Palmrest assembly no FPR CS with SmartCard Reader 04W1366 N 4249 CTO 4260 CTO 4270 CTO 4276 CT
163. uration settings using the View Configuration option then when service has been completed verify that those settings remain in effect 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 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 Do not drop a system board or apply any excessive force to it e Avoid rough handling of any kind e Avoid bending a system board and hard pushing to prevent cracking at each 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
164. when handling ESD sensitive devices e Select a grounding system such as those listed below to provide 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 DANGER Before the computer is powered on after FRU replacement make sure 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 shorts 4 ThinkPad T520 T520i and W520 Hardware Maintenance Manual A DANGER Some standby batteries
165. x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x 4 ABx 4Cx 4240 CTO 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 20x 2Rx 28x 2Tx 2Ux 2Vx 2Xx 2Yx 3Cx 3Dx 3Ex 3Fx 3Jx 3Kx 3Lx 3Mx 3Rx 35 3Ux 3Vx 3Wx 3Xx 3Zx 46x 47 48x 49x 4 4 4Cx 4Dx 4Ex AFx 4Gx 4Jx 4 ALx 4Mx 4Nx 4Px 4Qx 4241 CTO 26x 42x 43x 44x 45x 46x 47x 48x 4242 CTO 22x 23x 24x 25x 27x 28x 29x 2Ax 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2Nx 2 2Qx 2Rx 28x 2 2Ux 2Vx 2Wx 2Xx 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 39x 3Ax 3Bx 3Cx 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Qx 44x 45x 46x 47x 48x 49x 4 4 4Dx 4 4 4Gx 4Hx 4Mx 4Qx ARx 4Sx 4Tx 4Ux 4 4Wx 4 4Yx 47 52x 53x 54x 55x 56x 57x 58x 59x 4243 27x 28x 29x 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Zx 4Jx 4Kx 4Ux 4 AWx 4 AYx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2Cx 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2 2Px 20x 2Rx 28x 2Tx 2Vx 2Wx 2 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x 4281 CTO 4282 CTO 23x 24x 25x 26x 27x 28x 29x 2Ax 2Bx 20x 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 21 2Mx 2Nx 2Px 2Qx
166. x 42x 43x 44x 45x 4Ax e 4240 CTO 2Ax 2Hx 2 2Px 2Qx 2Rx 2Ux 2Vx 2Yx 3Dx 3Gx 3Kx 3Px 3Qx 3Xx 3Yx 47x 48x 49x 4 AFx 4Gx 4Jx ALx 4241 CTO 43x 44x 45x 46x 4242 CTO 27x 28x 2Jx 2Kx 2Lx 2Mx 2 2Sx 2Tx 2Ux 2Vx 2Wx 2Xx 2Yx 33x 35x 36x 37x 38x 3Dx 3Gx 3Jx 3Lx 30x 46x 49x 4Cx 4Dx 4Fx 4Gx 4Hx 4Mx 4Tx 4Ux 4 4 AYx AZx 52x 53x 54x 55x 59x 4243 27x 28x 3Tx 3Ux 3Vx 4Jx 4Ux 4 4 5Ax e 4244 CTO e 4246 CTO 21 Thermal module for T520 and T520i integrated graphics models e 4239 CTO 22x 25x 27x 28x 2Zx 35x 3Nx 46x 47x 48x 49x ABx 4 4240 CTO 29x 2Bx 2Cx 2Dx 2Ex 2Fx 2Gx 2Jx 2 2Lx 2Mx 28x 2Tx 2 3Bx 4Kx 4Mx ANx 4 Thermal module for T520 T520i discrete graphics models 21 21 1 3Cx 3Hx 3Jx 3Lx 3Mx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Zx 46x 4Ax 4 4Dx 4 4241 CTO 26x 42x 47 48x 4242 22x 23x 24x 25x 29x 2Ax 2 2 2Dx 2Ex 2Fx 2Gx 2 2 20x 2Rx 2Zx 32x 34x 39x 3Ax 3Bx 3Cx 3Ex 3Fx 3Hx 3Kx 3Mx 3Nx 3Px 44x 45x 47x 48x 4Ax 4Ex 4Qx 4Rx 4Sx AWx 56x 57x 58x e 4243 29x 3Rx 3Sx 3Wx 3Xx 3Yx 3Zx 4Wx 4Yx 4244 CTO e 4246 CTO 146 ThinkPad T520 T520i and W520 Hardware Maintenance Manual 04W0439 04W1578 04W1579 04W0440 Tabl
167. x 3Gx 3Hx 3Jx 3Kx 3Lx 3 3Nx 3Qx 44x 45x 46x 47x 48x 49x 4 4 4Dx 4 AFx 4Gx 4Hx 4Mx 40x 4Rx 45 4 4 4 AWx 4 AYx 47 52x 53x 54x 55x 56x 57x 4243 CTO 28x 29x 3Rx 3Sx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 4Bx 4Jx 4 4Ux 4Vx AWx 4 AYx 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 26x 4276 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2 2Qx 2Rx 25 2 2Vx 2Wx 2 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x e 4281 CTO e 4282 CTO 23x 24x 25x 26x 27x 28x 29x 2Ax 2Bx 2 2Fx 2Gx 2Jx 2Kx 2Lx 2 2 2Px 2Qx 2Rx 2Tx 2Ux 2Xx 2Yx 2Zx 32x 33x 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 3Yx 3Zx 42x 45x 4 4 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 45x 46x 47x 48x 49x 4 4 4Dx 144 ThinkPad T520 T520i and W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID 19 Modem Daughter Card 60Y3207 N 4239 CTO 22x 23x 25x 26x 27x 28x 34x 35x 36x 37x 38x 39x 3Nx 42x 43x 44x 45x 46x 47x 48x 49x 4 4 4240 CTO 2Ex 2Jx 2Kx 2Lx 2Mx 2Nx 2Px 2Qx 2Rx 28x 2Tx 2Ux 2Vx 2Xx 2Yx 3Gx 3Hx 3Jx
168. x 4Jx 4 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 22x 2Ax 28x 2 2Vx 2Wx 2Xx 2Yx 2Zx 4281 CTO 4282 CTO 23x 24x 2Bx 2Cx 2Nx 2 2Qx 2Rx 2Yx 2Zx 33x 34x 3Gx 3Jx 3Lx 3Mx 3Nx 3Tx 3Vx 3Wx 3Xx 3Yx 3Zx 42x 45x 4284 CTO 23x 24x 43x 45x 46x 47x 49x 4 4Dx Intel Centrino Advanced N WiMAX 6250 60Y3195 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276 4281 4282 4284 Chapter 11 Parts list 113 Table 42 Parts list Overall continued E FRU Overall CRU Intel Centrino Advanced N WiMAX 6250 Russia SKU 60Y3209 4239 CTO 4240 CTO 4241 CTO 4242 CTO 4243 CTO 4244 CTO 4246 CTO 4249 CTO 4260 CTO 4270 CTO 4276 CTO 4281 CTO 4282 CTO 4284 CTO DVD ROM drive 75Y5117 4239 4240 4241 4242 4243 4244 4246 4249 4260 4270 4276 4281 4282 4284 114 ThinkPad T520 520 W520 Hardware Maintenance Manual Table 42 Parts list Overall continued ID DVD RAM RW drive 37x 38x 3Bx 3Ox 3Dx 3Fx 3Gx 3Hx 3Jx 3Lx 3Mx 3Nx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 45x 4Bx 4 4284 CTO 23x 24x 25x 26x 3
169. y Fn ScrLk Enable or disable the numeric keypad The indicator of numeric lock will be displayed on the screen Have the same function as the Break key Fn cursor keys These key combinations work with Windows Media Player They have the following functions down arrow key Play or Pause up arrow key Stop e Fn right arrow key Next Track e Fn left arrow key Previous Track Chapter 7 Fn key combinations 53 54 ThinkPad 520 T520i and W520 Hardware Maintenance Manual Chapter 8 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 Each should used only once Do the following when you service this machine Keep the screw kit for the see Miscellaneous parts on page 157 in your tool bag e Always use new screws e Use 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
170. y workstation 04W1588 N e 4249 CTO e 4260 CTO e 4270 CTO 26x e 4276 CTO 22x 23x 24x 25x 27x 28x 29x 2 2Bx 2 2Dx 2Ex 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2 2 2 2Qx 2Rx 25x 2 2Vx 2Wx 2 2Yx 2Zx 33x 34x 35x 36x 37x 38x 39x e 4281 CTO 4282 CTO 23x 24x 25x 26x 27x 28x 29x 2 2Bx 2 2Dx 2 2Fx 2Gx 2Hx 2Jx 2Kx 2Lx 2Mx 2 2Px 20x 2Rx 25x 2Tx 2Ux 2Vx 2Wx 2 2Yx 2Zx 32x 33x 34x 35x 36x 37x 38x 3Bx 3Cx 3Dx 3Gx 3Hx 3Jx 3Kx 3Lx 3Mx 3Nx 3Rx 3Sx 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 45x 4 4Cx 4284 CTO 23x 24x 25x 26x 3Tx 3Ux 3Vx 3Wx 3Xx 3Yx 3Zx 42x 43x 45x 46x 47x 48x 49x 4 4Bx 4 4Dx Base cover assembly for Taiwan 65W 04W1589 N 4239 CTO 4240 CTO 2Kx 2Mx 2Tx 4241 CTO 4242 CTO 29x 4Wx 4243 CTO 29x 4Wx 4244 CTO 4246 CTO Base cover assembly for Taiwan 90W 04W1590 4239 CTO 4240 2Px 2Rx 2Yx 4241 CTO 4242 CTO 27x 28x AUx 4 4243 CTO 27x 28x AUx 4 4244 CTO 4246 CTO 1 Base cover assembly for Taiwan 135W 04W1591 4239 4240 4241 4242 4243 4244 4246 124 ThinkPad T520 T520i W520 Hardware Maintenance Manual 11 11 11 1 Table 42 Parts list Overall continued Base cover assembly for Taiwan 170W 04W1592 N 4249 CTO 4260 CTO 4270 CTO 4276 CTO 2

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