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IBM THINKPAD T22 User's Manual

1. FRU P N System board miscellaneous parts for T23 series 26P9164 System board stud System board stud long System board stud back Insulator PC card Insulator battery latch Keyboard connector guide Shock rubber Insulator docking connector Insulator Ultrabay 2000 bay connector e Insulator I O connector Insulator hard disk drive Shield Mini PCI Insulator guide rail Thermal grease Screw caps Screw caps rear Optional FRUs FRU P N 256 MB SDRAM SO DIMM PC100 33L3070 64 MB SDRAM SO DIMM PC133 19K4651 512 MB SDRAM SO DIMM PC133 19K4657 Ultrabay 2000 diskette drive TEAC 08K9606 Ultrabay 2000 diskette drive SONY 08K9607 Ultrabay 2000 CD ROM drive 24x LG 27L4141 Ultrabay 2000 CD ROM drive 24x TOSHIBA 27L3973 Ultrabay 2000 DVD ROM drive 6x MKE 05K9188 Ultrabay 2000 DVD ROM drive 6x TOSHIBA 05K9160 Ultrabay 2000 DVD ROM drive 8x MKE 2714241 Ultrabay 2000 DVD ROM drive 8x HITACHI 27L4236 Ultrabay Plus device carrier 26P9388 Ultrabay Plus numeric keypad 19K2056 Ultrabay Plus cradle for WorkPad c500 series 26P9389 continued 170 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list FRU P N Ultrabay 2000 SuperDisk drive LS120 05K9235 Ultrabay
2. No FRU P N T Base cover for 2648 wireless T23 for models xNx xSx except xNC xNK 4614921 xNT xSC xSK xST for models 4NC 8NC xSC 4614935 for models 4NK 8NK xSK 4614933 for models ANT ONT xST 46L4925 8 Ultrabay 2000 CD ROM drive LG low 27L4301 power Ultrabay 2000 CD ROM drive TEAC low 27L3436 power PI Ultrabay 2000 DVD ROM drive 8x MKE 27L4241 LOP Ultrabay 2000 DVD ROM drive 8x MKE 08K9648 light weight J Ultrabay 2000 DVD ROM drive 8x HITACHI 27L4236 Ultrabay 2000 DVD ROM drive 8x HLDS 08K9646 light weight D Ultrabay 2000 DVD ROM drive 8x TOSHIBA 27L4213 p Ultrabay 2000 CD RW drive SONY J 27L4231 Ultrabay 2000 CD RW drive TEAC J 27L4297 Ultrabay 2000 DVD CD RW combo drive 27L4249 TOSHIBA d Ultrabay 2000 DVD CD RW combo drive 27L4359 KME D for other optional Ultrabay 2000 devices see Optiona Cover DIMM slot for T23 26P9421 10 Battery pack PANASONIC J for models xKx xQx L4x except xxE xxJ 02K6626 for models xKE xKJ 02K6857 Battery pack SANYO J for models xKx xQx L4x except xxE xxJ 02K6627 for models xKE xKJ 02K6859 Battery pack PANASONIC 2 0 Ah JJ for all models except xKx xQx L4x 02K7026 for models xxE xxJ except xKE xKJ 02K7030 Battery pack SANYO 2 0 Ah J for all models except xKx xQx L4x 02K7028 for models xxE xxJ except xKE xKJ 02K7032 11 Backup battery 02K6572 continued
3. When installing 1 Install the hinge cover according to the step El H and then tighten the screw H In step El take care not to damage the lens 2 Make sure that both latches El are firmly attached and snap into place 84 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU For T22 series ES o z5 Slag Sloe 2 r o lt oO o 2 G o Q c 9 el E Sle z SE 5 si x JE o N n 9 a S continued 85 ThinkPad T20 T21 T22 and T23 series Removing and replacing a FRU m Qo Era Ss Step Screw quantity Torque a M2 5 x 4 8 mm nylon coated 1 0 392 Nm 4 kgfcm When installing 1 Install the hinge cover according to the step El D and then tighten the screw Ell In step H take care not to damage the lens 2 Make sure that both latches El are firmly attached and snap into place 86 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU For T23 series m Step Screw quantity Torque B M2 5 x 4 8 mm nylon coated 1 0 392 Nm 4 kgfcm When installing 1 Install the hinge cover according to the step El EJ and then tighten the screw H In step E take care not to damage the lens 2 Make sure that both latches El are firmly attached and snap into pl
4. 162 For Windows 2000 Windows NT T22 series 162 For Windows 98 T23 series 163 For Windows 2000 T23 series 164 For Windows 2000 Windows NT T23 series 165 For Windows XP T23 series 166 Miscellaneous parts 170 Optional FRUS 171 Common parts list 172 Tools Lo de uo wo uw x o o 172 Power cords system EM a e ut ow 2 172 Power cords docking station EINE ES NOllCOS 2 4 wu ola 9o aoo Re x x IE Trademarks 174 40 ThinkPad T20 T21 T22 T23 MT 2647 2648 Product overview Product overview This section presents the following product unique information Specifications Status indicators on page 44 FRU Tests on page 46 Fn key combinations on page 48 Specifications The following table lists the specifications of the ThinkPad T20 T21 T22 and T23 series Feature Description Processor T20 Mobile Intel Pentium IIl processor 650 MHz Mobile Intel Pentium IIl processor 700 MHz Mobile Intel Pentium IIl processor 750 MHz T21 Mobile Intel Pentium IIl processor 750 MHz Mobile Intel Pentium IIl processor 800 MHz Mobile Intel Pentium IIl processor 850 MHz T22 Mobile Intel Pentium Ill processor 800 MHz Mobile Intel Pentium IIl processor 900 MHz Mobile Intel Pentium IIl processor 1 GHz T23 Mobile Int
5. Parts list FRU P N System miscellaneous parts for T23 series a Hinge cover assembly 23 Easy button cover T23 g VO card spacer f Cable RJ11 to system board docking h Holder backup battery e Ultrabay 2000 guide rail j Hard disk bay guide rail b Insulator keyboard CRU K ESD bracket FPC d ESD bracket LCD FPC c EMI finger PCMCIA i Bracket EMI speaker Mini PCI guide Thermal grease Screw caps Screw caps rear 12P4229 UO card miscellaneous parts for for T20 T21 and T22 series DC jack connector Cable RJ11 45 to mini PCI Insulator modular jack Insulation tape Screw caps Screw caps rear 08K6683 UO card miscellaneous part for T23 series DC jack connector Cable RJ11 45 to Mini PCI EDC Insulator modular jack Insulator for system board Insulation tape Screw caps Screw caps rear 26P9789 System board miscellaneous parts for T20 T21 and T22 series System board stud Insulator PC card Insulator battery latch Keyboard connector guide Shock rubber Insulator docking connector Insulator fan connector Insulator Ultrabay 2000 connector Insulator I O connector Shield Mini PCI Insulator hard disk drive Thermal grease Screw caps Screw caps rear 08K7099 continued ThinkPad T20 T21 T22 and T23 series 169 Parts list
6. Clear IBM Security Chip to clear this error 2 Security chip 3 System board More than one Ethernet devices are found Remove one of them Press lt Esc gt to continue 0197 The remote configuration for Invalid remote change the security chip has failed requested Confirm the operation and try again 01C9 1 Remove the Ethernet device that you installed or press Esc to ignore the warning message 2 System board 0200 Hard disk error The hard disk is not working 1 Reseat the hard disk drive 2 Load Setup Defaults in IBM BIOS Setup Utility 3 Hard disk drive 4 System board 021x Keyboard error Run interactive tests of the keyboard and the auxiliary input device 0220 Monitor type error Monitor type does not match the one specified in CMOS Load Setup Defaults in IBM BIOS Setup Utility 0230 Shadow RAM error Shadow RAM fails at offset nnnn System board 0231 System RAM error System RAM fails at offset nnnn 1 DIMM 2 System board 50 ThinkPad T20 T21 T22 T23 MT 2647 2648 Symptom to FRU index Symptom or error FRU or action in sequence 0232 Extended RAM error Extended RAM fails at offset nnnn 1 DIMM 2 System board 0250 System battery error System battery is dead Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 0251 System CMOS checksum
7. LCD Fn F8 Turn screen expansion on or off There is no symbol on the key Note This function is not supported in Windows 2000 and Windows XP Fn F9 Reserved Fn F10 Reserved Fn F11 Reserved Fn F12 Turn hibernation mode on To return to normal operation press the power button for less than four seconds Note To use Fn F12 for hibernation in Windows 2000 and Windows XP you must have IBM PM device driver installed on your computer Fn PgUp Turn the ThinkLight on or off Fn Home The LCD becomes brighter Fn End The LCD becomes less bright 48 ThinkPad T20 T21 T22 T23 MT 2647 2648 Symptom to FRU index Symptom to FRU index 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 Note Do the FRU replacement or other actions in the sequence shown in the column headed FRU or action in sequence If replacing a FRU does not solve the problem put the original part back in the computer Do not replace a nondefective FRU This index can also help you determine during regular servicing what FRUs are likely to need to be replaced next A numeric error is displayed for each error detected in POST or system operation In the displays n can be any number If no numeric code is displayed check the narrative descriptions of symptoms If the symptom is not described there g
8. Black If the voltage is correct replace the system board If the voltage is not correct replace the backup battery If the backup battery discharges quickly after replacement replace the system board General descriptions 37 Checkout guide 38 ThinkPad T20 T21 T22 T23 MT 2647 2648 ThinkPad T20 T21 T22 and T23 series Product overview Specifications Status indicators FRU Tests Fn key combinations Symptom to FRU index Numeric error codes Error messages Beep symptoms No beep symptoms LCD related symptoms Intermittent problems Undetermined problems FRU replacement notices Screw notices Retaining serial numbers Restoring the serial number of the system unit Retaining the UUID Removing and replacing a FRU 1010 Battery pack 1020 Backup battery 1030 Hard disk drive 1040 DIMM 1050 Mini PCI adapter 4 For T20 T21 and T22 series For T23 series e 1060 Ethernet daughter card 1070 Ultrabay 2000 device 1080 Keyboard For T20 T21 and T22 series For T23 series o 1090 Keyboard CRU insulator 1100 Hinge cover For T20 and T21 series For T22 series For T23 series 1110 Keyboard bezel e For T20 T21 and T22 series For T23 series 1120 Fan assembly For T20 T21 T22 series For T23 series 1130 CPU For T20 T21 and T22 series For T23 series 1140 PC Card slot assembly e For T20 T21 T22 series For T23 series 1150 Speak
9. 154 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list No FRU P N 12 Cover Mini PCI adapter slot 08K7416 13 Speaker assembly 08K6089 14 128 MB SDRAM SO DIMM PC133 J 19K4653 256 MB SDRAM SO DIMM PC133 D 19K4655 for other optional DIMMs see Optional FRUs on page 170 15 Mini PCI modem card Ambit J 08K4853 for all models except 2647 xFx xJx xLx xNx xSx 5TC 9TC and 2648 xNx xSx Mini PCI 802 11b v 92 modem card 12P3657 ACTIONTEC 2647 xFx xJx xLx xNx xSx 5TC 9TC and 2648 xNx xSx 16 System board for models except 2647 4Rx 26P8218 8Rx BSx 45x 88x DRx DSx and 2648 4Rx 8Rx 4Sx 88x Note Use a new system board with the 12P3770 same FRU no as the original FRU System board 12P3770 2647 4Rx 8Rx BSx 48x 88x DRx DSx 2648 4Rx 8Rx 4Sx 8Sx 17 CPU assembly mobile Intel Pentium III 26P7999 processor 866 MHz M CPU assembly mobile Intel Pentium 111 26P8122 processor 1 0 GHz M CPU assembly mobile Intel Pentium 111 26P8082 processor 1 13 GHz M CPU assembly mobile Intel Pentium III 26P8005 processor 1 2 GHz M 18 Asset ID RF adapter see Optional FRUs on page 170 19 Hard disk drive 15 0 GB HITACHI D 08K9587 Hard disk drive 15 0 GB STD P 08K9585 Hard disk drive 20 0 GB HITACHI J 08K9533 Hard disk drive 20 0 GB STD OP 27L4286 Hard disk drive 30 0 GB HITACHI J 08K9592 Hard disk driv
10. Make sure that the springs are placed correctly Make sure that the device release lever is seated correctly O continued 138 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Make sure that the release button works correctly ThinkPad T20 T21 T22 and T23 series 139 Locations Locations Front view System status indicators A Power switch Battery standby mode and Ultrabay status indicators El Bay latch DH Eject button D Ultrabay 2000 device Note The Ultrabay 2000 accepts storage devices such as a DVD drive or a CD ROM drive TrackPoint pointing stick D TrackPoint buttons El ThinkPad button Volume and mute buttons 140 ThinkPad T20 T21 T22 T23 MT 2647 2648 Locations Rear view Security keyhole El TV out connector Serial connector El Parallel connector E External monitor connector D Modem connector Ethernet connector Bl Power jack E Universal serial bus USB connector Note T23 series have two USB connectors External input device connector ThinkPad T20 T21 T22 and T23 series 141 Locations Bottom view Built in stereo speakers Battery pack Battery pack latches Docking connector Mini PCI card slot DIMM PC card slots PC card eject button Infrared port Stereo headphone jack Stereo line in jack Microphone jack Hard disk drive LCD latches rm EISE EEEEEG 142 ThinkPad T20 T21 T22 T23 MT 2647
11. 1070 Ultrabay 2000 device on page 7 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 82 1110 Keyboard bezel on page 88 1120 Fan assembly on page 94 1140 PC Card slot assembly on page 100 1160 Hard disk bay on page 105 1170 Ultrabay 2000 slot on page 107 1180 System board on page 11 2010 LCD assembly on page 11 3 69 9 Step Screw quantity Torque Hex stud 6 0 392 Nm 4 kgfcm B M2 5 x 4 8 mm nylon coated 4 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 131 Removing and replacing a FRU When installing do the following Attach the I O card spacer l onto the new sub card and make sure that the connector is firmly attached Make sure that the eject lever is poped out D and then install the sub card Take care not to damage the switch on the sub card A Make sure that the guide of the card is firmly attached D as shown in the figure 132 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 3010 ThinkPad Dock PCI cover Before replacing the PCI cover There are two types of ThinkPad Dock as follows ThinkPad Dock FRU no 08N1546 PCI cover FRU no 05K6246 ThinkPad Dock with extension plate FRU no 08N1537 PCI cover FRU no 08N7317 Confi
12. Step Screw quantity Coin screw 1 or security screw 1 Note Use a 2 5 mm Allen wrench to remove the security screw continued ThinkPad T20 T21 T22 and T23 series 63 Removing and replacing a FRU When removing the hard disk drive open the LCD a little as shown in the figure When installing Make sure that the HDD connector is firmly connected 64 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1040 DIMM For access remove this FRU e 1010 Battery pack on page 60 Note Loosen the screw H but do not remove it When installing With the notched end of the DIMM toward the socket insert the DIMM into the socket and then press it firmly Pivot the DIMM until it snaps into place Make sure that the card is firmly fixed in the slot and does not move easily ThinkPad T20 T21 T22 and T23 series 65 Removing and replacing a FRU 1050 Mini PCI adapter For access remove this FRU e 1010 Battery pack on page 60 For T20 T21 and T22 series Note Loosen the screw H but do not remove it continued 66 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Note The following illustration shows the combo card Connector A is for the LAN feature and B is for the modem feature Disconnect either A or B in step D This slot also supports a Mini PCI modem card or Mini PCI network card cont
13. bad Default configuration used Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 0252 Password checksum bad The password is cleared Reset the password by running IBM BIOS Setup Utility 0260 System timer error 1 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 2 System board 0270 Real time clock error 1 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date 2 System board 0271 Date and time error Neither the date nor the time is set in the computer Run IBM BIOS Setup Utility to reset the time and date 02B2 Incorrect drive A type Diskette drive External FDD cable VO card Oc 02F4 EISA CMOS not writable Load Setup Defaults in IBM BIOS Setup Utility 2 Replace the backup battery 3 System board 02F5 1 DIMM DMA test failed 2 System board 02F6 1 DIMM Software NMI failed 2 System board 02F7 1 DIMM Fail safe timer NMI failed 2 System board ThinkPad T20 T21 T22 and T23 series 51 Symptom to FRU index Error messages Symptom or error FRU or action in sequence Device address conflict 1 Load Setup Defaults in IBM BIOS Setup Utility Backup battery System board on Allocation error for device Load Setup Defaults in IBM BIOS Setup Utility data S
14. service the computer Read the entire FRU removal and replacement page before replacing any FRU Use new nylon coated screws when you replace FRUs Be extremely careful during such write operations as copying saving or formatting Drives in the computer that you are servicing sequence might have been altered If you select an incorrect drive data or programs might be overwritten Replace FRUs only for the correct model When you replace a FRU make sure the model of the machine and the FRU part number are correct by referring to the FRU parts list A FRU should not be replaced because of a single unreproducible failure Single failures can occur for a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors Consider replacing a FRU only when a problem recurs If you suspect that a FRU is defective clear the error log and run the test again If the error does not recur do not replace the FRU Be careful not to replace a nondefective FRU What to do first When you do return a FRU you must include the following information in the parts exchange form or parts return form that you attach to it 1 Name and phone number of servicer __ 2 Date of service 3 Date on which the machine failed Copyright IBM Corp 2002 21 Read this first 4 Date of purchase 5 Failure symptoms error codes appearing on the di
15. zatos L utilizzo di controlli regolazioni o l esecuzione di procedure diverse da quelle specificate possono provocare l esposizione a Vcnonb30oBaHue aJnemenTOB HACTpPO KN U BbINOJIHEHNE MPOLIEAYP UHbIX HeM yKa3aHO 3HeCb MOXET MPUBECTH K OMACHOMy PannaunoHHOMy O NY4EHNIO Pou itie kontr l prav alebo in ch vykonan od in ch v robcov ako je v tomto pecifikovan mohlo by ma za n sledok nebezpe enstvo vystavenia sa vy iarovaniu El uso de controles o ajustes o la ejecuci n de procedimientos distintos de los aqu especificados puede provocar la exposici n a radiaciones peligrosas Opening the CD ROM drive DVD ROM drive or the other optical storage device could result in exposure to hazardous laser radiation There are no serviceable parts inside those drives Do not open Introduction 19 Laser compliance statement Some CD ROM drives DVD ROM drives or other optical storage devices contain an embedded Class 3A or Class 3B laser diode Note the following N DANGER Emits visible and invisible laser radiation when open Do not stare into the beam do not view directly with optical instruments and avoid direct exposure to the beam Radiac o por raio laser ao abrir N o olhe fixo no feixe de luz n o olhe diretamente por meio de instrumentos ticos e evite exposic o direta com o feixe de luz HEMNES RABO BOT MBO gt FORRES PM FAR BE BOER Pe Rayonnement laser si carter ouve
16. 14 1 in 2647 4Mx 8Mx 5 DVD XGA MMx ROM 2648 4Mx 8Mx ex 2647 4Qx 8Qx es 2647 ANx 8Nx 802 11 14 1 in GNU KNG MNx v 90 XGA with 2648 4Nx 8Nx antenna 2647 4Rx 8Rx Tual Modem 14 1 in 40 GB 2648 4Rx 8Rx Te XGA 2647 4Sx 8Sx 802 11 14 1 in BSx v 90 XGA with 2648 4Sx 88x antenna 2647 5Kx 9Kx Tual Modem 14 1 in 48 GB 1 13 SXGA 2647 5Lx 9Lx 802 11 14 1 in DLT HLU v 90 SXGA with antenna continued ThinkPad T20 T21 T22 and T23 series 145 Parts list Model CPU Bay Mini PCI LCD HDD device adapter T23 Memory 128 MB Memory 256 MB 2647 5Mx 9Mx Tual CD Modem 14 1 in 48 GB 1 2 RW SXGA 2647 5Nx 9Nx 802 11 14 1 in HNx NNN v 90 SXGA with 2647 5Fx 9Fx DVD DFx 2 ROM antenna 2647 5Dx 9Dx 8x Modem 14 1 in 2647 5Hx 9Hx DVD SXGA 2647 5Jx 9Jx EN 802 11 14 1 in combo V99 SXGA with antenna 2647 5Ux 9Ux Tual DVD Modem 14 1 in 60 GB 1 2 ROM SXGA 8x 2647 5Rx 9Rx DVD CD 2647 5Sx 9Sx qui 802 11 14 1 in HSx v 90 SXGA with antenna CMG xxx Mobile Intel Pentium IIl processor xxx GHz MHz Tual xxx Mobile Intel Pentium IIl processor xxx GHz MHz M 1 no EDC feature 2 featuring Secure chip 146 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list Overall For T20 T21 and T22 147 ThinkPad T20 T21 T22 and T23 serie
17. 2 e 5 IS AlS e gt 2 Sle E s E JE 3j La Po x x Sie o ola A Ki 9 a m 121 ThinkPad T20 T21 T22 and T23 series Removing and replacing a FRU 2020 Front bezel For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 73 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 8 1100 Hinge cover on page 83 1110 Keyboard bezel on page 88 1120 Fan assembly on page 94 2010 LCD assembly on page 119 2 Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 3 0 392 Nm 4 kgfcm 122 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 2030 Inverter card For access remove these FRUS in order 1010 Battery pack on page 60 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 7 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 82 1110 Keyboard bezel on page 88 1120 Fan assembly on page 9 2010 LCD assembly on page 119 2020 Front bezel on page 122 3 gt Cable routing When replacing the inverter card route the connector cable as in the following figure ThinkPad T20 T21 T22 and T23 series 123 Removing and replacing a FRU 2040 LCD panel F
18. 2648 Parts list Parts list T20 T21 T22 and T23 series model matrix The T20 T21 T22 and T23 series includes several models The following table summarizes the characteristics of each model to help you determine which FRU in the part list meets your need Model CPU Bay Mini PCI LCD HDD device adapter T20 Memory 128 MB Memory 64 MB Memory 256 MB 2647 21x 61x CMG CD Modem 13 3 in 6 GB 2647 24x 64x ep0 ROM Combo XGA Intel 2647 A1x 2647 31x DVD Modem 14 1 in 6 GB ROM XGA 6x 2647 2EY CD Combo 13 3 in 12 GB ROM 3Com XGA 2647 32x 72x CMG Modem 700 2647 T1x 14 1 in 2647 41x 81x DVD Modem BEA 43x ROM 2648 41x 81x 6x 2647 42x 82x 2648 42x 82x 2647 44x 84x Combo 2648 44x 84x tintei 2647 46x 86x Combo 2648 46x 86x posi 2647 45x FDD Ethernet 2647 B1x mE 2647 L1x L2x CMG CD Modem 14 1 in 20 GB 750 ROM XGA 2647 52x 92x DVD 2647 55x 95x DOM Combo 6x Intel 2647 C1x continued ThinkPad T20 T21 T22 and T23 series 143 Parts list Model CPU Bay mini pc LCD HDD device adapter T21 Memory 128 MB 2647 27x 67x CMG
19. CD Modem 13 3 in 10 GB 2647 2Ax 6Ax gt ROM tege 9A Xircom 2647 4Bx 8Bx Combo 3Com 2647 47x 49x CMG DVD Modem 14 1 in 20 GB 87x L7x 800 ROM XGA 2648 47x 87x 8x 2647 4Ax 8Ax Combo Xircom 2648 4Ax 8Ax Combo Intel 2647 4Bx 8Bx Combo 2648 4Bx 8Bx Som 2647 57x 97x CMG Modem 14 1 in 32 GB 2647 5Ax 9Ax 8 Combo SXGA Xircom 2647 5Bx 9Bx Combo 3Com T22 Memory 128 MB 2647 3Cx 70x CMG CD Modem 13 3 in 10 GB 2647 3Ex 7Ex 900 ROM en IECH B2x B3x B4x Intel B5x 2647 4Cx 4Gx CMG DVD Modem 14 1 in 20 GB 8Gx 8Cx M2x 900 ROM XGA Max LCx 8x 2648 4Cx 8Cx 2647 4Ex 8Ex Combo M4x M5x Intel 2648 4Ex 8Ex 2647 4Gx 8Gx Combo 2648 4Gx 8Gx seam 2647 T2x FDD Combo Intel 2647 5Cx 9Cx CMG DVD Modem 14 1 in 32 GB 2647 5Ex 9Ex 9 SCH Combo SX A M6x Intel continued 144 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list Model CPU Bay Mini PCI LCD HDD device adapter T23 Memory 128 MB Memory 256 MB 2647 2Kx except Tual CD Modem 13 3 in 15 GB 2KC 866 ROM XGA 2647 6Kx except xxC 2647 AKx BAx BJx EKx 2647 2KC 6KC DVD ROM 8x 2647 2Rx 6Rx Tual CD 14 1 in 20 GB 1 0 ROM XGA 2647 2Tx 2UC DVD 6UC 3RG 7RG ROM 2648 2Tx 8x 2647 3TK 7TK CD 30 GB 2647 T4x Tual RON
20. DI 08K3429 for T20 models x1x except T1U x2x x3x BxG Mini PCI modem card Ambit 08K4855 for T20 T21 models x1x x2x x3x xxG Mini PCI modem card Hoshi CR 08K3338 for T21 models x7x except x7G Mini PCI modem card Ambit V 92 ready 08K4853 for T22 models xCx Mini PCI combo card Intel J 08K3125 for T20 models x4x x5x T21 models xAJ xAK Mini PCI combo card 3Com J 00N8117 for T20 models x6x T21 models xBx Mini PCI combo card Intel J 06P3829 for T21 models xBx Mini PCI combo card Intel CR DA 19K5888 for T21 models xAx except xAJ xAK Mini PCI combo card Intel V 92 ready J 06P3809 for T22 models xEx BxG 6xx PM5 T2x Mini PCI combo card 3Com J 22P6753 for T22 2647 4Gx 8Gx MxU Mini PCI Ethernet card PI 10L1423 for T20 2647 45G 45U for other optional Mini PCI adapter see Optional FRUS on page 170 16 System board for T20 all models except 2647 5xx 9xx 12P3360 Lxx for T20 2647 5xx 9xx Lxx 12P3363 for T21 all models except 2647 5xx 9xx 12P3366 Cxx for T21 2647 5xx 9xx Cxx 12P3369 for T22 2647 3xx 7xx Bxx 26P8096 for T22 all models except 2647 3xx 7xx 26P8098 Bxx 17 CPU Pentium III 650 MHz 10L1405 CPU Pentium Ill 700 MHz 10L1417 CPU Pentium Ill 750 MHz 08K3191 CPU Pentium Ill 800 MHz 08K3246 CPU Pentium Ill 850 MHz 08K3248 CPU Pentium Ill 900 MHz 08K3346 CPU Pentium Ill 1 GHz 08K3392 continued 150 Th
21. S 32P6619 Finnish 32P6630 French Canadian 32P6621 French European 32P6625 German 32P6626 Greek 32P6638 Hebrew 32P6635 Hungarian 32P6639 Italian 32P6629 Norwegian 32P6632 Polish 32P6636 Portuguese 32P6623 Russian 32P6640 Spanish European 32P6627 Spanish Latin American 32P6622 Swedish 32P6628 Turkish 32P6637 164 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list For Windows 2000 Windows NT T23 series Language P N Danish 14P9291 Dutch 14P9298 English U K 32P5645 English U S 32P5576 French Canadian 14P9288 French European 14P9292 Finnish 14P9297 German 14P9293 Italian 14P9296 Japanese 46P4421 Norwegian 32P5742 Portuguese 14P9290 Spanish European Spanish Latin American Swedish 14P9294 14P9289 14P9295 ThinkPad T20 T21 T22 and T23 series 165 Parts list For Windows XP T23 series Language P N Arabic 32P6736 Chinese Simplified 46L6288 Chinese Traditional 46L6287 Chinese Traditional Hong Kong S A R 46P6362 Czech 32P6737 Danish 32P6727 Dutch 32P6734 English U K 32P6723 English U S 32P6722 Finnish 32P6733 French Canadian 32P6724 French European 32P6728 German 32P6729 Greek 32P6741 Hebrew 32P6738 Hungarian 32P6742 Italian 32P3732 Japanese 46P4457 Norwegian 32P6735 Polish 32P6739 Portuguese 32P6726 Russian 32P6743 Spanis
22. a M2 5 x 4 8 mm nylon coated 1 0 392 Nm 4 kgfcm 92 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU When installing do as follows Make sure that the E part is firmly attached as shown in the figure Make sure that all of the latches of the keyboard bezel D are firmly attached ThinkPad T20 T21 T22 and T23 series 93 Removing and replacing a FRU 1120 Fan assembly For T20 T21 T22 series For access remove these FRUS in order 1010 Batter 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 7 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 8 Notes pack on page 60 2 1 part is for T21 T22 series only Other models do not have this bracket 2 D par is for T21 series and MT2647 3Cx 3Ex 7Cx 7Ex T22 series only Other models do not have this bracket Step Screw quantity Torque M2 x 13 5 mm nylon coated 4 0 245 Nm 2 5 kgfcm continued 94 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU When installing the fan assembly For T20 Remove the protective sheet from the thermal rubber on the fan assembly For T21 T22 Apply the thermal grease 05K5751 on the E part of the fan as shown in the following figure ThinkPad T20 T21 T22 and T23 series 95 Remo
23. access to the IBM BIOS Setup Utility and make changes to system configuration settings Attention If the SVP has been forgotten and cannot be made available to the servicer there is no service procedure to reset the password The system board must be replaced for a scheduled fee How to remove the power on password To remove a POP that you have forgotten do the following A If no SVP has been set 1 Turn off the computer 2 Remove the battery pack For how to remove the battery pack see 1010 Battery pack on page 60 3 Remove the backup battery For how to remove the backup battery see 1020 Backup battery on page 61 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 servicer 1 Turn on the computer by pressing and holding F1 2 Enter the SVP The IBM BIOS Setup Utility menu appears 3 Select Password using the cursor keys to move down the menu 4 Select Power On Password 5 Atthe Enter Current Password field enter the SVP 6 When the Enter New Password field opens leave it blank and press Enter twice 7 In the Changes have been saved window press Enter General descriptions 27 Related service information 8 Press F10 then in the Setup confirmation window select Yes How to remove the hard
24. is on the new hard disk In this case you must use the Product Recovery CD for the computer Order the recovery CD and the hard disk drive at the same time so that you can recover the new hard disk drive with the pre installed software when they arrive For information on which CD to order see Recovery CDs on page 161 The Product Recovery program is in the service partition a section of the hard disk drive that is not displayed by Windows Explorer Attention All of the files on the primary hard disk partition usually drive C will be lost in the recovery process Be sure to back up copies of the files you have saved on your drive C before you begin Creating a Recovery Repair diskette If the operating system cannot boot normally or if you cannot get access to the Product Recovery program you can use the Recovery Repair diskette to boot the computer Make a Recovery Repair diskette and save it for future use To make a Recovery Repair diskette do the following 1 Shut down and restart the computer General descriptions 23 Related service information 2 At the prompt press F11 The option to press F11 appears for only a few seconds You must press F11 quickly The Product Recovery program main menu opens Note If you are prompted to select the operating system select one you want to recover Then the Product Recovery program main menu opens Select System Utilities from the main menu Press Ent
25. kann geringe Mengen Nickel und Cadmium enthalten Sie darf nur durch die Verkaufsstelle oder den IBM Kundendienst ausgetauscht werden Sie darf nicht zerlegt wiederaufgeladen kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Die Batterie kann schwere Verbrennungen oder Ver tzungen verursachen Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren continued 4 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety notices continuation of safety notice 2 Alcune batterie di riserva contengono una piccola quantit di nichel e cadmio Non smontarle ricaricarle gettarle nel fuoco o nell acqua n cortocircuitarle Smaltirle secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si sostituisce la batteria dell RTC real time clock o la batteria di supporto utilizzare soltanto i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa Algunas bater as de reserva contienen una pequena cantidad de n quel y cadmio No las desmonte ni recargue ni las eche al fuego o al agua ni las cortocircuite Des chelas tal como dispone la normativa local Utilic
26. replaceable units The FRUs marked with JJ are also available as optional FRUs No FRU P N a k See Miscellaneous parts on page 167 1 LCD unit see LCD FRUs on page 157 2 Keyboard bezel for T23 all models except 46P2611 xxK for models xxK 46P2612 3 Fan assembly for T23 26P9166 4 PC Card slots for T23 26P9165 5 UO card assembly for T23 26P8006 6 Microphone cable assembly 27L0520 7 Base cover for 2647 T23 for models except xJx xFx xLx xNx xSx 26P9158 xxC xxK xxT for models xDC xKC xMC xPC xUC 26P9162 2TC xRC for models xHK xKK xMK xPK xRK 26P9160 2TK 3TK 7TK for models xHT xKT xMT xPT xRT 2TT 4614922 Base cover for 2647 wireless T23 for models xJx except xJK xJT 46L4972 for models xFx except xFC for models xLx except xLK xLT for models xNx except xNC xNK xNT for models xSx except xSC xSK xST for models xNC xFC xSC x5TC 9TC 46L4934 for models xJK xLK xNK xSK 26P9611 for models xJT xLT xNT xST 46L4923 Base cover for 2648 T23 for models except 4Nx 8Nx xxC xxK 26P9159 xSx xxT for models 4MC 4PC 8MC 8PC 2TC 26P9163 xRC for models 4MK 4PK 8MK 8PK 2TK 26P9161 xRK for models 4MT 4PT 8MT 8PT 2TT xRT 46L4924 continued ThinkPad T20 T21 T22 and T23 series 153 Parts list
27. them in the order in which they are listed 4 Follow the correct sequence in the steps for removing the FRU as indicated in the drawings by the numbers in square callouts 5 When turning a screw to replace a FRU turn it in the direction indicated by the arrow in the drawing 6 When removing the FRU move it in the direction indicated 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 Locations on page 140 8 When replacing a FRU use the correct screw as shown in the procedures N DANGER Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Attention Before the computer is powered on after FRU replacement make sure that all screws springs and other small parts are in place and are not 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 ThinkPad T20 T21 T22 and T23 se
28. 2000 SuperDisk drive LS120 2x 27L3450 Ultrabay 2000 SuperDisk drive LS240 08K9615 Ultrabay 2000 ZIP 250 drive 00N8254 Ultrabay 2000 battery 02K6645 Ultrabay 2000 2nd HDD adapter 08K6067 Hard disk drive 6 0 GB STD 05K9227 Hard disk drive 6 0 GB HITACHI 05K9228 Hard disk drive 10 0 GB STD 08K9508 Hard disk drive 12 0 GB STD 05K9229 Hard disk drive 12 0 GB HITACHI 05K9230 Hard disk drive 18 0 GB STD 27L4073 Hard disk drive 20 0 GB STD 27L4286 Hard disk drive 32 0 GB STD 08K9509 Hard disk drive 40 0 GB STD 08K9683 Hard disk drive 48 0 GB STD 08K9599 Hard disk drive 60 0 GB STD 08K9700 Mini PCI combo card Intel 08K9509 Battery pack Li lon 9 cell Panasonic 02K6615 Battery pack Li lon 9 cell SANYO 02K6619 Multiple battery charger 02K6642 Multiple battery charger Ni HM 02K6718 AC adapter 72 W 3 pin ASTEC 02K6666 AC adapter 72 W 2 pin ASTEC 02K6669 Asset ID RF adapter 08K6065 ThinkPad Dock 08N1546 PCI cover 05K6246 ThinkPad Dock with extension plate 08N1537 PCI cover with foot 08K7317 Top cover and screw kit for ThinkPad Dock 12P4143 ThinkPad Port Replicator 08N1536 Diskette drive cable 27L0525 Conversion adapter for diskette drive cable 08K6360 Video cable 27L0531 Telephone cable 05K2707 ThinkPad T20 T21 T22 and T23 series 171 Parts list Common parts list Tools Triconnector wrap plug 72X8546 PC test card 35G4703 Au
29. E interface 48 0 GB 2 5 inch IDE interface 60 0 GB 2 5 inch IDE interface UO port External monitor Line in Headphone Microphone Mouse or keyboard Parallel or diskette drive Port replicator connector Serial One universal serial bus USB connector for T20 T21 and T22 series Two USB connectors for T23 RJ11 RJ45 covered TV out continued 42 ThinkPad T20 T21 T22 T23 MT 2647 2648 Product overview Feature Description Internal 56 6 Kbps modem Audio Internal microphone Internal speaker Software control volume Infrared IrDA 1 1 transfer 802 11b only for T23 series PC Card AC adapter Bay device Mini PCI Type Illa IEEE 802 11b wireless LAN card One Type lll or two Type ll 72 watt type T20 T21 T22 T23 1 44 MB 3 mode 3 5 inch diskette drive 10 24x CD ROM drive 6x DVD ROM drive 1 44 MB 3 mode 3 5 inch diskette drive 10 24x CD ROM drive 8x DVD ROM drive CD RW drive DVD CD RW combo drive ThinkPad T20 T21 T22 and T23 series 43 Product overview Status indicators The system status indicators show the status of the computer as follows Indicator Meaning Drive in use Green Data is being read from or written to the hard disk drive the diskette drive or the drive in the Ultrabay 2000 When this indicator is on do not put the computer into standby mode or turn off the computer Note Do not move t
30. IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual April 2002 This manual supports ThinkPad T20 T21 T22 T23 MT 2647 2648 ThinkPad Dock MT 2631 j Note Before using this information and the product it supports be sure to read the general information under Notices on page 174 First Edition April 2002 The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION AS IS WITHOUT ANY WARRANTY OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE LIMITED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer or express or implied warranties in certain transactions therefore this statement may not apply to you This publication 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 IBM may make improvements or changes to the products or the programs described in this publication at any time It is possible that this publication may contain references to or information about IBM products machines and programs programming or services that are not announced in your country Such references or information must not be construed to mean that IBM intends to announc
31. Keyboard bezel on page 88 1150 Speaker on page 103 2 Note Step El and J are only for the case when Asset ID RF adapter has been attached into the hard disk bay Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 1 0 392 Nm 4 kgfcm ThinkPad T20 T21 T22 and T23 series 105 Removing and replacing a FRU When installing Make sure the followings A parts of the insulation do not come off Boost Ds are only for T23 series is not turned over Holes in the guide rail and in the aluminium sheet are aligned and the aluminium sheet does not protrude in the parts The protruding parts of the sheet can cause electrical short 106 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1170 Ultrabay 2000 slot For access remove these FRUS in order 1010 Battery pack on page 60 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 7 1090 Keyboard CRU insulator on page 8 1100 Hinge cover on page 83 1110 Keyboard bezel on page 88 3 2 For T20 series Pd Step Screw quantity Torque M2 5 x 14 mm nylon coated 1 0 392 Nm 4 kgfcm Note T20 series do not have the removal procedure El and E After step H go to step El When installing Make sure that the FPC connector is firmly attached continued ThinkPad T20
32. M Personal Computer models are equipped from the factory with an optical storage device such as a CD ROM drive or a DVD ROM drive They are also sold separately as options The drive is certified in the U S to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations DHHS 21 CFR Subchapter J for Class 1 laser products Elsewhere the drive is certified to conform to the requirements of the International Electrotechnical Commission IEC 825 and CENELEC EN 60 825 for Class 1 laser products 18 ThinkPad T20 T21 T22 T23 MT 2647 2648 Laser compliance statement When a CD ROM drive DVD drive or the other laser product is installed note the following UN CAUTION Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure O uso de controles ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposic o a radiac o NAME ER EE RE UE WE ATA M2 FRU BR 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 Werden Steuer und Einstellelemente anders als hier festgesetzt verwendet kann gef hrliche Laserstrahlung auftreten Az itt el rt elj r sokt l be llitasokt l s vez rl sekt l elt rni a lezersug rz s vesz lye miatt kock
33. P9176 English U S 23P9175 French Canadian 23P9177 French European 23P9181 Finnish 23P9186 German 23P9182 Italian 23P9185 Japanese 27P1659 Norwegian 23P9188 Portuguese 23P9179 Spanish European 23P9183 Spanish Latin American 23P9178 Swedish 23P9184 162 ThinkPad T20 T21 T22 T23 MT 2647 2648 For Windows 98 T23 series Parts list Language P N Arabic 14P9202 Arabic modem enabled 14P9201 Chinese Simplified 46P4518 Chinese Traditional 46P4514 Chinese Traditional Hong Kong S A R 46P6327 Czech 14P9203 Danish 14P9192 Dutch 14P9199 English U K 14P9188 English U S 32P5573 Finnish 14P9198 French Canadian 14P9189 French European 14P9193 German 14P9194 Greek 32P5653 Hebrew 14P9204 Hungarian 14P9208 Italian 14P9197 Japanese 46P4419 Norwegian 14P9200 Polish 14P9205 Portuguese 14P9191 Russian 14P9209 Slovak 14P9211 Slovenian 14P9210 Spanish European 14P9195 Spanish Latin American 14P9190 Swedish 14P9196 Thai 14P9212 Turkish 14P9206 ThinkPad T20 T21 T22 and T23 series 163 Parts list For Windows 2000 T23 series Language P N Arabic 32P6633 Chinese Simplified 46P4520 Chinese Traditional 46P4516 Chinese Traditional Hong Kong S A R 46P6329 Czech 32P6634 Danish 32P6624 Dutch 32P6631 English U K 32P6620 English U
34. Service partition and PKUNZIPs others Follow the prompts You may be prompted to change CDs When the process is complete the system reboots Continue to step 6 to install preloaded system Install preloaded system from CD 6 Boot with the recovery CD and the boot diskette if required 7 f the hard disk drive is blank the following message is displayed Your computer originally included a Product Recovery program Reinstall the Product Recovery program Y N To install the service partition go to step 4 General descriptions 25 Related service information To preload the hard disk drive without installing the service partition press N key 8 If you get a message asking which operating system to install select the proper operating system and press Enter 9 A message is displayed Full Recovery Press Enter to select 10 On each of the next three windows press the Y key 11 Follow the prompts to complete the recovery To use the Recovery Repair diskette 1 Shut down and turn off the computer 2 Insert the Recovery Repair diskette into the drive and then turn on the computer 3 Follow the on screen instructions Passwords As many as three passwords may be needed for any ThinkPad computer 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 whenev
35. T21 T22 and T23 series 107 Removing and replacing a FRU For T21 and T22 series Note T21 series do not have the removal procedure and E After step H go to step El When installing Make sure that the FPC connector is firmly attached continued 108 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU For T23 series Step Screw quantity Torque M2 x 13 5 mm nylon coated 1 0 245 Nm 2 5 kgfcm A M2 5 x 14 mm nylon coated 1 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 109 Removing and replacing a FRU Note The models with 13 3 in XGA LCD in T20 series and in T21 series do not have FPC bracket El For those models skip step E When installing Make sure that the FPC bracket is firmly attached as shown in the figure Ef continued 110 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Note Step to step E are common for T20 T21 T22 and T23 series ES vo 25 Sla S Sloe 6 25 Flor o E w o Q E e gt a E S S 2 Z v x E o N oa S sa EB ES o 2925 5 2 2 ay Sc Jo DY SIN FRjozljo a IS la E 8 ES o 2 le s lt gt I t9 E BD Ble E s E JE Avo d elo Y x x lo o N e n o 2 Ze e 111 ThinkPad T20 T21 T22 and T23 series Removing and replacing a FRU When
36. a continuous beep Operating System starts successfully If a mini PCI Ethernet card is installed confirm that Alert On LAN 2 in IBM BIOS Setup Utility is disabled Three short beeps pause three more short beeps and one short beep One short beep pause three short beeps pause three more short beeps and one short beep 1 DIMM 2 System board Only cursor appears Reinstall operating system No beep symptoms Symptom or error FRU or action in sequence No beep power on indicator on LCD blank and no POST 1 Make sure that every connector is connected tightly and correctly 2 DIMM 3 System board No beep power on indicator 1 Reseat DIMM on and LCD blank during 2 System board POST 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 The DOS full screen looks smaller Start the ThinkPad Configuration program and set the Screen expansion function ThinkPad T20 T21 T22 and T23 series 53 Symptom to FRU index LCD related symptoms j Important The TFT LCD for the notebook computer contains many thin film transistors TFTs A small number of dots that are missing discolored or always lighted is characteristic of TFT LCD technology
37. ace ThinkPad T20 T21 T22 and T23 series 87 Removing and replacing a FRU 1110 Keyboard bezel For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 73 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 8 1100 Hinge cover on page 83 2 Step Screw quantity Torque M2 5 x 3 5 mm nylon coated 3 0 392 Nm 4 kgfcm continued 88 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Step Screw quantity Torque A M2 5 x 14 mm nylon coated 1 0 392 Nm 4 kgfcm M2 5 x 4 8 mm nylon coated 1 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 89 Removing and replacing a FRU For T23 series Note Loosen the screw H but do not remove it Step Screw quantity Torque H M2 5 x 11 5 mm nylon coated 1 0 392 Nm 4 kgfcm continued 90 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Step Screw quantity Torque a M2 5 x 3 5 mm nylon coated 3 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 91 Removing and replacing a FRU Step Screw quantity Torque H M2 5 x 14 mm nylon coated 1 0 392 Nm 4 kgfcm
38. ack 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 5 See the following figure mu EQ Terminal Voltage V dc Der ei ge 1 0 to 12 6 I 3 2 5 Ground 53 4 3 If the voltage is less than 11 0 V dc the battery pack has been discharged 36 ThinkPad T20 T21 T22 T23 MT 2647 2648 Checkout guide Note Recharging will take at least 3 hours even if the indicator does not turn on If the voltage is still less than 11 0 V dc after recharging replace the battery If the voltage is more than 11 0 V dc measure the resistance between battery terminals 4 and 5 The resistance must be 4 to 30 K 0 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 i Power off the computer and unplug the ac adapter from it 2 Turn the computer upside down 3 Remove the battery pack see page 60 4 Remove the backup battery see Checking the battery 5 Measure the voltage of the backup battery See the following figure Red Wire Voltage V dc Red 42 5 to 43 2 Black Ground
39. ad T20 T21 T22 and T23 series 101 Removing and replacing a FRU For T23 series For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 7 1090 Keyboard CRU insulator on page 8 1100 Hinge cover on page 83 1110 Keyboard bezel on page 8 3 2 8 Step Screw quantity Torque M2 x 13 5 mm nylon coated 4 0 245 Nm 2 5 kgfcm 102 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1150 Speaker For access remove these FRUS in order 1030 Hard disk drive on page 63 Step Screw quantity Torque M2 5 x 14 mm nylon coated 2 0 392 Nm 4 kgfcm ThinkPad T20 T21 T22 and T23 series 103 Removing and replacing a FRU Before installing new speaker for T22 and T23 series Secure speaker RF bracket l to the new speaker with an adhesive tape inside of the bracket For T22 series For T23 series 104 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1160 Hard disk bay For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 7 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 8 1110
40. ali parti o pezzetti metallici possono provocare cortocircuiti pericolosi Antes de encender el sistema despues de sustituir una FRU compruebe que todos los tornillos muelles y dem s piezas pequefias 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 Introduction 3 Safety notices Safety notice 2 UN DANGER Some standby batteries contain a small amount of nickel and cadmium Do not disassemble a standby battery recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Use only the battery in the appropriate parts listing Use of an incorrect battery can result in ignition or explosion of the battery Certaines batteries de secours contiennent du nickel et du cadmium Ne les d montez pas ne les rechargez pas ne les exposez ni au feu ni l eau Ne les mettez pas en court circuit Pour les mettre au rebut conformez vous la r glementation en vigueur Lorsque vous remplacez la pile de sauvegarde ou celle de l horloge temps r el veillez n utiliser que les 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 Die Bereitschaftsbatterie die sich unter dem Diskettenlaufwerk befindet
41. bels 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 The following symptoms might indicate damage caused by nonwarranted activities Missing parts might be a symptom of unauthorized service or modification e If the spindle of a hard disk drive becomes noisy it may have been subjected to excessive force or dropped 22 ThinkPad T20 T21 T22 T23 MT 2647 2648 Related service information Related service information This section provides information about the following Service web site Restoring the preloaded system Passwords on page 26 Power management on page 28 Service web site When the latest maintenance diskette and the system program service diskette become available a notice will be posted on http www ibm com pc partner infotips Restoring the preloaded system If the data on a hard disk drive is damaged or accidentally erased you can restore the software that was shipped with the computer This software includes the pre installed operating system applications and device drivers To restore the pre installed software you can use either the Product Recovery program or a recovery CD j Ordering the recovery CD When the hard disk drive is replaced because of a failure no Product Recovery program
42. bs and try to slide the keyboard towards you Do not push parts A and B on the keyboard strongly to do so might cause distortion of the Ultrabay 2000 slot and the PC Card slot 4 Replace the screws using the new screws provided with the keyboard Then press the Y key again hard to make sure that the keyboard is firmly connected ThinkPad T20 T21 T22 and T23 series 81 Removing and replacing a FRU 1090 Keyboard CRU insulator For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1080 Keyboard on page 74 Note The shape of the keyboard CRU insulator varies from model to model In some models the shape might be slightly different from the insulator in this figure 82 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1100 Hinge cover For access remove these FRUs in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 73 Step Screw quantity Torque M2 5 x 14 mm nylon coated 3 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 83 Removing and replacing a FRU For T20 and T21 series SED D E Step Screw quantity Torque A M2 5 x 4 8 mm nylon coated 1 0 392 Nm 4 kgfcm
43. but excessive pixel problems can cause viewing concerns The LCD should be replaced if the number of missing discolored or lighted dots in any background is XGA 8 or more bright dots 8 or more dark dots or a total of 9 or more bright and dark dots SXGA 11 or more bright dots 13 or more dark dots or a total of 16 or more bright and dark dots Note A bright dot means a pixel is always on white or color A dark dot means a pixel is always off black color Symptom or error FRU or action in sequence No beep power on indicator on and a blank LCD during POST System board LCD backlight not working LCD too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted Reseat the LCD connectors LCD assembly System board LCD screen unreadable Characters missing pixels Screen abnormal Wrong color displayed See important note for LCD related symptoms Reseat all LCD connectors LCD assembly System board Horizontal or vertical lines displayed on LCD LCD assembly 54 ThinkPad T20 T21 T22 T23 MT 2647 2648 Symptom to FRU index 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 analyzin
44. ckup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 73 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 8 1110 Keyboard bezel on page 88 1120 Fan assembly on page 94 2010 LCD assembly on page 119 2020 Front bezel on page 122 2030 Inverter card on page 123 2040 LCD panel on page 124 2 49 continued 128 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Strip off the insulation tapes A securing the antenna cables ThinkPad T20 T21 T22 and T23 series 129 Removing and replacing a FRU Cable routing Route the antenna cables as follows 1 2 3 a Hook the black antenna cable to projection H on the right corner of the rear cover Route the black antenna cable to go through cable guides H and El Hook the gray antenna cable to projection Ell on the left corner of the rear cover Route the gray antenna cable to go through cable guides H Make sure that both of the cables are not twisted Stick insulation tapes J H and El 130 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 2060 Sub card For access remove these FRUS in order 1010 Battery pack on page 60 1030 Hard disk drive on page 63 1040 DIMM on page 65
45. current to burn personnel or combustible materials 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 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 Sebbene le batterie di alimentazione siano a basso voltaggio una batteria in corto circuito o a massa puo fornire corrente sufficiente da bruciare materiali combustibili o provocare ustioni ai tecnici di manutenzione 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 Introduction 11 Safety notices Safety notice 8 UN DANGER Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Avant de retirer une unite remplacable en clientele mettez le systeme hors tension debranchez tous les cordons d alimentation des socles de prise de courant retirez la batterie et d connectez tous les cordons d interface Die Stromzufuhr mu abgeschaltet all
46. device driver fixes are customer installable The BIOS and device drivers are posted on the IBM support site http www ibm com pc support Advise customers to contact the PC Company HelpCenter at 800 772 2227 if they need assistance in obtaining or installing any diskette fixes Customers in Canada should call IBM HelpPC at 800 565 3344 for assistance or download information Strategy for replacing FRUs Before replacing parts Make sure that all diskette fixes are installed before replacing any FRUS listed in this manual Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs If you are instructed to replace a FRU but the replacement does not correct the problem reinstall the original FRU before you continue 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 If an adapter or device consists of more than one FRU any of the FRUs may be the cause of the error Before replacing the adapter or device remove the FRUs one by one to see if the symptoms change Replace only the FRU that changed the symptoms Attention The setup configuration on the computer you are servicing may have been customized Running Automatic Configuration may alter the settings Note the current configu
47. dio wrap cable 66G5180 USB parallel test cable 05K2580 Screwdriver kit 95F3598 Torque screwdriver 05K4695 5 mm socket wrench 05K4694 Screwdriver 2718126 ThinkPad hardware maintenance diskette version 1 62 Note Download the file from the following Web site http www ibm com pc partner infotips Power cords system IBM power cords for a specific country or region are usually available only in that country or region For 2 pin power cords Region P N Canada U S 13H5264 Japan 13H5273 Argentina 36L8870 For 3 pin power cords Region P N Australia New Zealand 76H3514 Taiwan Thailand 76H3516 Italy 76H3530 Denmark 76H3520 U K China Hong Kong S A R 76H3524 European countries 76H3518 India South Africa 76H3522 Israel 76H3532 Korea 76H3535 China P R C other than Hong Kong S A R 02K0539 Switzerland 76H3528 172 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list Power cords docking station IBM power cords for a specific country or region are usually available only in that country or region For 3 pin power cords Region P N Argentina 36L8868 Australia New Zealand 75H8988 Canada Thailand U S 75H8989 Denmark 75H8992 European countries 75H8990 India South Africa 75H8993 Israel 75H8999 Italy 75H8998 Japan 75H8996 Korea 76H3536 China P R C othe
48. disk password Attention If User only mode is selected and the user HDP has been forgotten and cannot be made available to the servicer IBM does not 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 Power on the computer by pressing and holding F1 2 Enter the SVP The IBM BIOS Setup Utility menu appears 3 Select Password using the cursor keys to move down the menu 4 Select Hard disk x password where x is the letter of the hard disk drive A pop up window opens Select Master HDP Enter the master HDP then leave the New Password field blank and press Enter twice Press F10 8 Select Yes in the Setup Configuration window Both user HDP and master HDP will have been removed Power management To reduce power consumption the computer has three power management modes screen blank standby and hibernation Notes Screen blank mode is called standby mode in Windows 95 and Windows NT Standby mode is called suspend mode in Windows 95 and Windows NT Screen blank mode Screen blank mode has three variants as follows 1 If you press Fn F3 or the time set on the LCD off timer in IBM BIOS Setup Utility expires The LCD backlight turns off The hard disk drive motor stops The speaker is mu
49. e Diagnostics gt Other Devices gt CD ROM DVD Interactive Tests gt CD ROM DVD Test Memory If two DIMMs are installed remove one of them and run Diagnostics gt Memory Test Quick If the problem does not recur return the DIMM to its place remove the other one and run the test again If the test does not detect the error run Diagnostics gt Memory Test Full Fan Turn on the computer and check the air turbulence at the louver near the power switch Run Diagnostics gt Other Devices gt IBM Fan ThinkPad T20 T21 T22 and T23 series 47 Product overview Fn key combinations The following table shows the function of each combination of Fn with a function key Key Description combination Fn F1 Reserved Fn F2 Reserved Fn F3 Turn off the LCD display leaving the screen blank To turn the LCD display on again press any key or the TrackPoint stick Note To use Fn F3 for screen blank in Windows 2000 and Windows XP you must have IBM PM device driver installed on your computer Fn F4 Turn standby mode on To return to normal operation press the Fn key independently without pressing a function key Fn F5 Reserved Fn F6 Reserved Fn F7 Switch between the LCD and an external monitor CRT If an external monitor is attached computer output is displayed in the following three patterns by turns CRT display LCD CRT display
50. e 30 0 GB STD J 27L4291 Hard disk drive 40 0 GB STD J 08K9683 Hard disk drive 40 0 GB HITACHI OP 08K9767 Hard disk drive 48 0 GB STD J 08K9599 Hard disk drive 60 0 GB STD J 08K9700 20 Cover hard disk drive for T23 26P9543 21 Keyboard see Keyboard on page 1601 22 Pointing stick cap 84G6536 23 Easy button cover 26P9536 continued ThinkPad T20 T21 T22 and T23 series 155 Parts list No FRU P N 24 Ethernet daughter card Ambit J 26P8181 for all models except 2647 xQx 25 Secure chip P 26P8084 for 2647 5xx except 5Kx 9xx except 9Kx for 2647 HNx xLx Telephone cable SAN TAI 27L0603 Recovery CD see Recovery CDs on page 161 AC adapter see AC adapters AC adapters for models xxA xxB xxC xxG xxH xxK xxM XT xxY FRU P N AC adapter 72 W 2 pin ASTEC J 02K6753 for models xxE xxF xxJ xxP xxS xxU xxX AC adapter 72 W 2 pin DELTA WA 02K6756 for models xxE xxF xxJ xxP xxS xxU xxX AC adapter 72 W 2 pin SANKEN 02K6757 for models xxE xxF xxJ xxP xxS xxU xxX AC adapter 72 W 3 pin ASTEC J 02K6751 for models xxA xxB xxC xxG xxH xxK xxM xXT xxY AC adapter 72 W 3 pin DELTA J 02K6754 156 ThinkPad T20 T21 T22 T23 MT 2647 2648 LCD FRUs Parts list Notes 1 The parts marked with 4 are onl
51. e Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de quitar una FRU apague el sistema desenchufe todos los cables de las tomas de corriente el ctrica quite la bater a y a continuaci n desconecte cualquier cable de conexi n entre dispositivos 12 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety information Safety information The following section presents the safety information that you need to be familiar with before servicing an IBM mobile computer 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 1 Ensure you can stand safely without slipping 2 Distribute the weight of the object equally between your feet 3 Use a slow lifting force Never move suddenly or twist when you attempt to lift 4 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 objects that you think are too heavy for you Do not perform any action that causes hazards to the customer or that ma
52. e found in this section The following safety notices are provided in English French German Italian and Spanish Safety notice 1 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 Avant de remettre l ordinateur sous tension apr s remplacement d une unit en client le v rifiez que tous les ressorts vis et autres pi ces sont bien en place et bien fix es Pour ce faire secouez l unit et assurez vous qu aucun bruit suspect ne se produit Des pi ces m talliques ou des copeaux de m tal pourraient causer un court circuit 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 Prima di accendere l elaboratore dopo che stata effettuata la sostituzione di una FRU accertarsi che tutte le viti le molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse all interno dell elaboratore Verificare ci scuotendo l elaboratore e prestando attenzione ad eventuali rumori eventu
53. e 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 continued Introduction 7 Safety notices continuation of safety notice 4 Die Systembatterie ist eine Lithiumbatterie Sie kann sich entz nden explodieren oder schwere Verbrennungen hervorrufen Batterien dieses Typs d rfen nicht aufgeladen zerlegt ber 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgef hrt ist Der Einsatz falscher Batterien kann zu Entz ndung oder Explosion f hren La batteria di supporto e una batteria al litio e puo incendiarsi esplodere o procurare gravi ustioni Evitare di ricaricarla smontarne il connettore polarizzato smontarla riscaldarla ad una temperatura superiore ai 100 gradi centigradi incendiarla o gettarla in acqua Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali L impiego di una batteria non ada
54. e 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 Introduction 5 Safety notices Safety notice 3 UN 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 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 modeles 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 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 La batteria contiene piccole quantit di nichel Non smontar
55. e such IBM products programming or services in your country Requests for technical information about IBM products should be made to your IBM authorized dealer or your IBM marketing representative Copyright International Business Machines Corporation 2002 AII rights reserved US Government Users Restricted Rights Use duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp About this manual This manual contains service and reference information for IBM ThinkPad T20 T21 T22 T23 MT2647 2648 and ThinkPad Dock MT2631 products Use this manual along with the advanced diagnostic tests to troubleshoot problems The manual is divided into sections as follows j Important The common sections provide general information guidelines and safety information required in servicing computers The product specific section includes service reference and product specific parts information This manual is intended for trained service personnel who are familiar with ThinkPad products Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively Before servicing an IBM ThinkPad product be sure to review the safety information under notices multilingual translations on page 3 Safety Copyright IBM Corp 2002 iv ThinkPad T20 T21 T22 T23 MT 2647 2648 Contents About this manual Introduction Important serv
56. el Pentium III processor 866 MHz M Mobile Intel Pentium III processor 1 0 GHz M Mobile Intel Pentium III processor 1 13 GHz M Mobile Intel Pentium III processor 1 2 GHz M Bus PCI Bus architecture Memory T20 T21 T22 standard 128 MB PC100 on the system board T23 128 MB PC133 on the system board 256 MB PC133 on the system board continued ThinkPad T20 T21 T22 and T23 series 41 Product overview T21 T22 T23 Feature Description Memory T20 T21 T22 optional 64 MB 128 MB or 256 MB DIMM card maximum of 512 MB T23 64 MB 128 MB 256 MB or 512 MB DIMM card maximum of 1024 MB CMOS RAM 242 bytes Display T20 13 3 inch 16M colors XGA 1024x768 resolution TFT color LCD 14 1 inch 16M colors XGA 1024x768 resolution TFT color LCD 13 3 inch 16M colors XGA 1024x768 resolution TFT color LCD 14 1 inch 16M colors XGA 1024x768 resolution TFT color LCD 14 1 inch 16M colors SXGA 1400x1050 resolution TFT color LCD Hard disk drive T20 6 0 GB 2 5 inch IDE interface 12 0 GB 2 5 inch IDE interface 18 0 GB 2 5 inch IDE interface 20 0 GB 2 5 inch IDE interface T21 T22 10 0 GB 2 5 inch IDE interface 20 0 GB 2 5 inch IDE interface 32 0 GB 2 5 inch IDE interface T23 15 0 GB 2 5 inch IDE interface 20 0 GB 2 5 inch IDE interface 30 0 GB 2 5 inch IDE interface 40 0 GB 2 5 inch ID
57. elect Diagnostics with the arrow keys and press Enter A pull down menu appears Its exact form depends on the model The options on the test menu are as follows Diagnostics Interactive Tests Run Normal Test Keyboard Run Quick Test Video CPU Coprocessor Internal Speaker Systemboard Mouse Video Adapter Joystick Test Serial Ports Diskette Parallel Ports System Load Fixed Disks CD ROM DVD Test Diskette Drives Stereo Speaker Other Devices 802 11 Wireless Radio ZIP Drive Test LS 120 240 Drive Communication Wireless LAN Memory Test Full Memory Test Quick Notes In the Keyboard test in Interactive Tests the Fn key is scanned only once Each key should be held down for at least 2 seconds otherwise it cannot be sensed The sound card is not recognized in the Stereo Speaker in the Interactive Tests To test it use the audio device test in the Other Devices in Diagnostics Video Adapter test supports only the LCD display on ThinkPad Before running PC Doctor DOS detach the external Monitor To test ZIP Drive or LS 120 240 Drive each media is needed to be inserted before start testing Wireless LAN test and 802 11 Wireless Radio Test is only for some models Some models do not have them To test Digital Signature Chip the chip must be enabled and initialized When Legacy Floppy Drives is Enabled in the IBM BIOS Setup Utility Diskette Drives test
58. ept models xxK 26P9291 for 2647 3xK 7xK BxK 26P9309 for 2647 Axx 5xx 8xx 9xx Mxx Lxx 08K7362 except models xxK for 2647 4xK 5xK 8xK 9xK MxK LxK 26P9174 for 2648 all except models xxK 26P9173 for 2648 xxK 26P9175 8 Ultrabay 2000 diskette drive TEAC 08K9606 Ultrabay 2000 diskette drive SONY 08K9607 Ultrabay 2000 CD ROM drive TOSHIBA 27L3973 p Ultrabay 2000 CD ROM drive TEAC low 27L3436 power Ultrabay 2000 CD ROM drive LG J 27L4141 Ultrabay 2000 CD ROM drive LG low 27L4301 power Ultrabay 2000 DVD drive 6x MKE DI 05K9188 Ultrabay 2000 DVD drive 6x TOSHIBA J 05K9160 Ultrabay 2000 DVD drive 8x MKE J 27L4241 Ultrabay 2000 DVD drive 8x HITACHI fJ 27L4236 for other optional Ultrabay 2000 devices see Optiona Cover DIMM slot osx6090 10 Battery pack Panasonic J for all models except xxE xxJ 02K6626 for models xxE xxJ 02K6857 Battery pack SANYO J for all models except xxE xxJ 02K6627 for models xxE xxJ 02K6859 11 Backup battery 02K6572 12 Cover Mini PCI adapter slot 08K6091 13 Speaker assembly 08K6089 14 64 MB SDRAM SO DIMM PC100 P 20L0264 128 MB SDRAM SO DIMM PC100 f 20L0265 for other optional DIMM see Optional FRUS onl page 170 continued ThinkPad T20 T21 T22 and T23 series 149 Parts list No FRU P N 15 Mini PCI modem card
59. er Copyright IBM Corp 2002 1160 Hard disk bay 105 1170 Ultrabay 2000 slot 107 For T20 series ee OL For T21 and T22 series 108 For T23 series 111 1180 System board 118 For T20 T21 T22 series 118 For T23 series 115 1190 Secure chip 117 1200 Microphone cable 118 2010 LCD assembly 121 2020Frontbezel 122 2030 Inverter Card 123 2040 LCD panel 125 2050 Antenna assembly 128 2060 Sub card w e ay mwlji 3010 ThinkPad Dock PCI cover 133 3020 ThinkPad Dock top cover 136 Locations e 5 5 5 140 Front view 140 Rearview 14 Bottom view 142 Parts list 143 T20 T21 T22 and T23 series model matrix 146 Overall nod oW wk a AR For T20 T21 and T22 Geo r Se d cu moll FOR T237 2 ue arcet ue E Ae Cx Tue Su x EE AC adapters 156 LCD FRUs 2 5 06 nn c 19 13 3 in XGATFT a a a s 157 141 in XGATFT 158 14 1 in SXGA TFT 159 Keyboard 160 Recovery CDs vg wow e a 101 For Windows 98 T22 series e 09 o c a 161 For Windows 2000 T22 series
60. er Select Create a Recovery Repair diskette Press Enter Follow the on screen instructions When the process is completed label the diskette Recovery Repair diskette and save it for future use Product Recovery program Note The recovery process might take up to 2 hours To use the Product Recovery program to restore the pre installed software do the following 1 2 3 Save all files and shut down the desktop Turn off the computer Turn on the computer If you are using Windows XP three messages F1 F11 and F12 appear on the screen for a few seconds One of them is Press F11 to invoke the IBM Product Recovery program While the message is displayed quickly press F11 If you are using Windows 2000 or another operating System the startup screen is displayed first and then the message To start the Product Recovery program press F11 at the top of the screen Here again it appears very briefly watch for it and press F11 before it disappears Note If this message is not displayed you can use a Recovery Repair diskette to get access to the Product Recovery program For using Recovery Repair diskette see To use the Recovery Repair diskette on page 26 From the list displayed on the screen select the operating system you want to recover Select the recovery options you want and follow the instructions on the screen When the Product Recovery program finishes running the comput
61. er the computer is turned on The computer does not start until the password is entered Exception If only an SVP is installed the password prompt does not appear when the operating System is booted Power on password A power on password POP protects the system from being powered on by an unauthorized person The password must be entered before an operating system can be booted Hard disk password There are two hard disk passwords HDPs 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 HDP User only and Master User The Master User mode requires two HDPs the system administrator enters both in the same operation The system administrator then provides the user HDP to the system user 26 ThinkPad T20 T21 T22 T23 MT 2647 2648 Related service information 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 IBM does not provide any services to reset either the user or the master HDP or to recover data from the hard disk drive The hard disk drive can be replaced for a scheduled fee Supervisor password A supervisor password SVP protects the system information stored in the IBM BIOS Setup Utility The SVP must be entered in order to get
62. er will restart with the pre installed operating System drivers and software 24 ThinkPad T20 T21 T22 T23 MT 2647 2648 Related service information Note Network drivers are not automatically restored with Windows NT 4 0 you will need to reinstall them Note If you use Windows 2000 or Windows 98 restart the system by pressing Ctrl Alt Del or by turning the computer off and then on again The computer will restart with the pre installed operating system drivers and software Using the recovery CD To create the service partition and install the preloaded system from the recovery CD do the following To create the service partition 1 Erase all partitions on the hard disk drive using FDISK or a similar application 2 Boot with the recovery CD and the boot diskette if required 3 Following message is displayed Your computer originally included a Product Recovery program Reinstall the Product Recovery program Y N Note If the hard disk drive contains any partitions you do not receive this message go to step 1 4 Press Y key The service partition is created and loaded with the Product Recovery program files Note If you do not want to create the service partition press N key and then go to step 8 5 At next window press Enter to continue The service partition is created The system automatically reboots during this process The recovery process copies some files to the
63. ezel 88 1120Fanassembl 94 1130 CPU i o o 3o a 4398 1140 PC Card slot assembly s X Geo e x 2100 1150 Speaker s ook ok ROO ce x 108 1160 Hard diskbay 105 1170 Ultrabay 2000 slot 107 1180 System board 118 1190 Secure chip 117 1200 Microphone cable 118 2010 LCD assembly 121 2020Frontbezel 122 2030 Inverter card 123 2040 LCD panel 125 2050 Antenna assembly 128 2060 Sub card 2 wx a ve ed 3010 ThinkPad Dock PCI cover 133 3020 ThinkPad Dock top cover 136 Locations os Ros x 140 Front view 140 Rearview 14 Bottom view 142 Partslist 143 T20 T21 T22 and T23 series model matrix 146 Overall 147 AC adapters 156 LCD FRUS lt lt amp uoc o Xe oae 19 Keyboard 160 Recovery CDs 161 Miscellaneous parts 170 Optional FRUS 171 Common parts list 472 Notices i o o ce x 2 amp amp 2 o v Cu ZA Trademarks 174 vi ThinkPad T20 T21 T22 T23 MT 2647 2648 Introduction Important service information j Important BIOS and
64. g an intermittent problem do the following 1 Run the diagnostic test for the system board in loop mode at least 10 times 2 If no error is detected do not replace any FRUs 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Undetermined problems You are here because the diagnostic tests did not identify which adapter or device failed wrong devices are installed a short circuit is suspected or the system is inoperative 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 35 1 Power off the computer 2 Visually check each FRU for damage Replace any damaged FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the port replicator c Printer mouse and other external devices d Battery pack e Hard disk drive f External diskette drive g DIMM h CD ROM and diskette drive in the Ultrabay i PC Cards 4 Power on the computer Determine whether the problem has changed 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 n
65. h European 32P6730 Spanish Latin American 32P6725 Swedish 32P6731 Turkish 32P6740 166 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list Miscellaneous parts Italicized letters in parentheses are reference to the exploded view on page 147 and 152 FRU P N Screw kit including nylon coated screws for T20 26P9654 T21 T22 and T23 series M2 5 x 14 mm bind head 15 M2 5 x 11 5 mm flat head 5 M2 5 x 4 8 mm flat head 20 M2 5 x 3 5 mm flat head 10 M2 0 x 13 5 mm pan head 15 M2 0 x 4 0 mm small head 10 Hex stud D sub 10 e Coin screw 1 Security screw 1 Blank cap enhanced port 5 Screw caps rear 5 Screw caps 5 Screw caps painted 10 Screw caps not painted thin 10 Screw caps not painted 5 Base miscellaneous parts for T20 T21 T22 and T23 26P9285 series Cover RF ID Spring battery lock Lid docking FR Lid docking RR Spring lid docking Spring lid PC card Lid PC card ESD plate audio Insulator for base cover e Eject lever Spring lever Puller bay Label danger backup battery Rubber foot low height 2 Rubber foot high 1 Sponge Knob battery lock Latch battery lock Screw caps Screw caps rear continued ThinkPad T20 T21 T22 and T23 series 167 Parts list FRU P N System miscellaneous parts for T20 series a H
66. he system while the Green drive in use light is on Sudden physical shock could cause drive errors H Num lock Green The numeric keypad on the keyboard is enabled To enable or disable the keypad press and hold the Fn key while pressing the NumLk key El Caps lock Green Caps Lock mode is enabled To enable or disable Caps Lock mode press Fn Caps Lock key continued 44 ThinkPad T20 T21 T22 T23 MT 2647 2648 Product overview Indicator Meaning El Scroll lock Green Scroll Lock mode is enabled Arrow keys can be used as screen scroll function keys but not to move the cursor To enable or disable Scroll Lock mode press Fn ScrLk key Not all application programs support this function El Power on Green This indicator stays lighted whenever the computer is on If the power on indicator is on and the standby indicator is off the system is ready to use If both the power on indicator and the standby indicator are on you can use the computer after it returns from the standby mode and the standby indicator goes off DH Battery Green The battery is fully charged Blinking green The battery has enough power to operate but is being charged Orange The battery power is low The battery needs to be charged Blinking orange The battery needs to be charged when the indicator starts blinking orange the computer beeps three times Standby status Green The compute
67. heckout To verify a symptom do the following 1 Power off the computer 2 Remove the battery pack 3 Connect the ac adapter 4 Check that power is supplied when you power on the computer Power off the computer Disconnect the ac adapter and install the charged battery pack 7 Check that the battery pack supplies power when you power on the computer oa If you suspect a power problem see the appropriate one of the following power supply checkouts Checking the ac adapter Checking operational charging on page 36 Checking the battery pack on page 36 Checking the backup battery on page 37 Checking the ac adapter You are here because the computer fails only when the ac adapter is used f the power problem occurs only when the port replicator is used replace the port replicator f the power on indicator does not turn on check the power cord of the ac adapter for correct continuity and installation f the computer does not charge during operation go to Checking operational charging 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 1 415 5 to 417 0 2 Ground 16 10 V 3 If the voltage is not correct replace the ac adapter 4 fthe voltage is acceptable do the follow
68. ice information Strategy for replacing FRUs How to use error messages Diskette compatibility matrix Safety notices multilingual translations Safety information General safety Electrical safety Safety inspection guide Handling devices that are sensitive to electorostatic discharge Grounding requirements Laser compliance statement General descriptions Read this first What to do first Related service information Service web site Restoring the preloaded system Passwords Power management Checkout guide Testing the computer Detecting system information with PC Doctor Power system checkout ThinkPad T20 T21 T22 and T23 series Product overview Specifications Status indicators FRU Tests Fn key combinations Symptom to FRU index Numeric error codes Error messages Beep symptoms No beep symptoms LCD related symptoms Intermittent problems Undetermined problems FRU replacement notices Screw notices Retaining serial numbers Removing and replacing a FRU 1010 Battery pack 1020 Backup battery Copyright IBM Corp 2002 1030 Hard disk drive 68 1040DIMM Voodoo R UR Xx a x05 1050 Mini PCI adapter pomos 408 e 58 1060 Ethernet daughter card 71 1070 Ultrabay 2000 device 78 1080 Keyboard we Us Ge cde aa 44 1090 Keyboard CRU insulator wood X4 wee 4982 1100Hingecover 88 1110 Keyboard b
69. ing Replace the system board If the problem persists go to page 41 Note Noise from the ac adapter does not always indicate a defect General descriptions 35 Checkout guide Checking operational charging To check whether the battery charges properly during operation use a discharged battery pack or a battery pack that has less than 50 of the total power remaining when installed in the computer Perform operational charging If the battery status indicator or icon does not turn on remove the battery pack and let it return to room temperature Reinstall the battery pack If the charge indicator or icon still does not turn on replace the battery pack If the charge indicator still does not turn on replace the system board Then reinstall the battery pack If it is still not charged go to the next section Checking the battery pack Battery charging does not start until the Power Meter shows that less than 95 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 the status of your battery move your cursor to the Power Meter 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 Meter icon Note If the battery p
70. inge cover assembly 23 Easy button cover i VO card spacer h Cable RJ11 to system board docking j Holder backup battery g Ultrabay 2000 guide rail UN Hard disk bay guide rail b Insulator keyboard CRU Mini PCI guide Screw caps Screw caps rear Note 12P4226 does not contain c d e f and k 12P4226 System miscellaneous parts for T21 series a Hinge cover assembly 23 Easy button cover i VO card spacer h Cable RJ11 to system board docking j Holder backup battery g Ultrabay 2000 guide rail UN Hard disk bay guide rail b Insulator keyboard CRU c ESD fan cover d ESD plate spring CSB e ESD bracket FPC 0 Keyboard support 24 Bracket LCD FRC Mini PCI guide Grease Screw caps Screw caps rear Note 12P4227 does not contain k 12P4227 System miscellaneous parts for T22 series a Hinge cover assembly 23 Easy button cover i VO card spacer h Cable RJ11 to system board docking j Holder backup battery g Ultrabay 2000 guide rail UN Hard disk bay guide rail b Insulator keyboard CRU c ESD fan cover d ESD plate spring CSB e ESD bracket FPC 0 Keyboard support 24 ESD bracket LCD FPC K Speaker RF bracket Mini PCI guide Grease Screw caps Screw caps rear continued 12P4228 168 ThinkPad T20 T21 T22 T23 MT 2647 2648
71. inkPad T20 T21 T22 T23 MT 2647 2648 Parts list No FRU P N 18 Asset ID RF adapter see Optional FRUs on page 170 19 Hard disk drive 6 0 GB STD J 05K9227 Hard disk drive 6 0 GB HITACHI J 05K9228 Hard disk drive 10 0 GB STD P 08K9508 Hard disk drive 10 0 GB HITACHI J 08K9531 Hard disk drive 12 0 GB STD MH 05K9229 Hard disk drive 12 0 GB HITACHI J 05K9230 Hard disk drive 20 0 GB STD J 27L4286 Hard disk drive 20 0 GB HITACHI WA 08K9533 Hard disk drive 30 0 GB STD JJ 08K9564 Hard disk drive 32 0 GB STD JJ 08K9509 for other optional hard disk drive see Optional FRUs on 20 Cover hard disk drive for T20 08K6092 Cover hard disk drive for T21 T22 04P3496 21 Keyboard see Keyboard on page 160 22 Pointing stick cap 84G6536 23 Easy button cover for T22 26P9183 24 Bracket LCD FPC 26P9178 Shield Mini PCI Blank cap for RJ45 for T20 04P3975 Telephone cable San Tai 27L0603 Recovery CD see Recovery CDs on page 161 AC adapter see AC adapters on page 156 ThinkPad T20 T21 T22 and T23 series 151 Parts list For T23 152 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list Each FRU is available for all types or models unless specific types or models are given The FRUs marked with one asterisk are CRUs customer
72. installing Make sure that the guide of the slot is firmly attached and if the eject lever has been poped out push it back in the direction of arrow A until it snaps and then push the upper right corner of the slot El to fix it firmly p Lo OO B2 Do Oo eh OO OO 9e OOO NOOO DADAS OSOS 3 112 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1180 System board For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 6 1040 DIMM on page 65 1050 Mini PCI adapter on page 66 1060 Ethernet daughter card on page 70 series 1070 Ultrabay 2000 device on page 7 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 82 1100 Hinge cover on page 8 1110 Keyboard bezel on page 88 1120 Fan assembly on page 9 1130 CPU on page 98 1140 PC Card slot assembly on page 10 1160 Hard disk bay on page 105 1170 Ultrabay 2000 slot on page 10 only for T23 0 Step Screw quantity Torque a M2 5 x 4 8 mm nylon coated 1 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 113 Removing and replacing a FRU When installing Make sure that all of the guides are firmly attached and you have fa
73. inued ThinkPad T20 T21 T22 and T23 series 67 Removing and replacing a FRU When installing Make sure not to pinch the connector cable when re installing the Mini PCI adapter For T23 series Note Loosen the screw H but do not remove it continued 68 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU In step and Ef pull the tab of the each antenna cables to unplug the cables When installing Plug the gray antenna cable into jack J1 MAIN and the black antenna cable into jack J2 AUX When installing With the notched end of the card toward the socket insert the card into the Socket and then press it firmly Pivot the card until it snaps into place Make sure that the card is firmly fixed in the slot and does not move easily ThinkPad T20 T21 T22 and T23 series 69 Removing and replacing a FRU 1060 Ethernet daughter card Note This section is only for the following models of T23 series All models of MT2647 excepting xQx L4x All models of MT2648 Other models do not have the Ethernet daughter card EDC For access remove this FRU e 1010 Battery pack on page 60 Note Loosen the screw H but do not remove it continued 7O ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Step Screw quantity Torque M2 5 x 11 5 mm nylon coated 2 0 392 Nm 4 kgfcm c
74. is activated even if no legacy diskette drive is attached to the ThinkPad General descriptions 33 Checkout guide Interactive Tests Hardware Info Utility Quit F1 Help Run Normal Test Run Quick Test CPU Coprocessor E ideo Adapter Diskette Drives Other Devices ZIP Drive LS 120 240 Drive Communication Memory Test Full Memory Test Quick PC DOCTOR 2 0 Copyright 2001 PC Doctor Inc All Rights Reserved Use the cursor keys and ESC to move in menus Press ENTER to select Run the applicable function test 5 Follow the instructions on the screen If there is a problem PC Doctor shows messages describing it 6 To exit the test select Quit Exit Diag To cancel the test press Esc Note After executing PC Doctor check the system time date and reset them if needed Detecting system information with PC Doctor PC Doctor can detect the following system information Hardware Info System Configuration Memory Contents Physical Disk Drives Logical Disk Drives VGA Information DE Drive Info PCI Information PNPISA Info SMBIOS Info VESALCD Info Utility Run External Tests Surface Scan Hard Disk Benchmark System DOS Shell Tech Support Form Battery Rundown View Test Log Print Log Save Log Full Erase Hard Drive Quick Erase Hard Drive 34 ThinkPad T20 T21 T22 T23 MT 2647 2648 Checkout guide Power system c
75. its This practice ensures correct grounding of the units f an electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions As each machine was designed and built required safety items were installed to protect users and service personnel from injury This guide addresses only those items You should use good judgment to identify potential safety hazards due to attachment of non IBM features or options not covered by this inspection guide Introduction 15 Safety information 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 Explosive hazards such as a damaged CRT 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 sha
76. kes the equipment unsafe Before you start the machine ensure that other service representatives and the customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your toolcase away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Make sure that your sleeves are fastened or rolled up above your elbows If your hair is long fasten it Insert the ends of your necktie or scarf inside clothing or fasten it with a nonconductive clip approximately 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 Introduction 13 Safety information 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 Electrical safety Observe the following rules when working on electrical equipment j Important Use only approved tools and test equipment Some hand too
77. la gettarla nel fuoco o nell acqua n cortocircuitarla Smaltirla secondo la normativa in vigore DPR 915 82 successive disposizioni e disposizioni locali Quando si sostituisce la batteria utilizzare soltanto i tipi inseriti nell appropriato Catalogo parti L impiego di una batteria non adatta potrebbe determinare l incendio o l esplosione della batteria stessa continued 6 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety notices continuation of safety notice 3 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 Safety notice 4 N 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 La pile de sauvegarde contient du lithium Elle pr sente des risques d incendie d explosion ou de br lures graves N
78. ls 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 Find the room emergency power off EPO switch disconnecting switch or electrical outlet If an electrical accident occurs you can then operate the switch or unplug the power cord quickly Do not work alone under hazardous conditions or near equipment that has hazardous voltages 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 you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Attention Another person must be there to switch off the power if necessary Use only one hand when working with powered on electrical equipment keep the other hand in your pocket or behind your back Attention An electrical shock can occur only when there is a complete circuit B
79. m Register f Intel Modem Loopback DTMF g Intel SP Modem Register h Intel SP Modem Loopback DTMF i 3Com MiniPCI Modem Test j 3Com MiniPCl Dialtone Test Audio 1 Interactive Tests gt Internal Speaker 2 Diagnostics gt Other Devices gt Crystal SoundFusion Test Speaker Interactive Tests gt Internal Speaker PC Card slots Diagnostics gt Systemboard gt PCMCIA PCMCIA External Loop Keyboard 1 Diagnostics gt Systemboard gt Keyboard 2 Interactive Tests gt Keyboard TrackPoint or pointing device If the TrackPoint does not work check the configuration in the ThinkPad Configuration program If the TrackPoint is disabled select Enable 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 Interactive Tests gt Mouse Hard disk drive Diagnostics gt Fixed Disks continued 46 ThinkPad T20 T21 T22 T23 MT 2647 2648 Product overview FRU Applicable test Diskette drive Diagnostics gt Diskette Drives Interactive Tests gt Diskette CD ROM DVD CD RW or CD RW DVD combo driv
80. ng mode automatically This default low battery behavior is independent of the operating system so if you have set the low battery alarm the computer may not do what you specified It chooses either your setting or the default setting whichever is appropriate If you are using the ACPI operating system only the low battery alarm is available To cause the computer to return from standby mode and resume operation do one of the following Press the Fn key Open the LCD cover only if you are using Windows Me and you entered standby mode by closing the LCD cover General descriptions 29 Related service information Turn on the power switch Also the computer automatically returns from standby mode and resumes operation in either of the following events The ring indicator RI is signaled by a serial device or a PC Card device Windows 2000 does not support the ring indicator RI resume by PC Card device The time set on the resume timer elapses In Windows 98 the Scheduled Tasks setting takes priority over the Resume on timer selection in the Power Management Properties window Note The computer does not accept any input immediately after it enters standby mode Wait a few seconds before taking any action to reenter operation mode Hibernation mode j Note for Windows NT If you are using Windows NT in the default format NTFS you cannot create a hibernation file If you want to use hibernati
81. nges 08K6087 Hinges for antenna 26P9196 Antenna assembly 26P9197 Thermal hinge only for 2647 52x 92x C2x 08K6353 L1x 7 Inverter card 10L1402 158 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list 14 1 in SXGA TFT No FRU P N 1 LCD cover kit 14 1 in SXGA except 26P9383 models xxK models xxK 26P9385 LCD cover antenna kit except models xxK 4614910 models xxK 4614911 LCD cable assembly 14 1 SXGA 2710590 LCD panel 14 1 SXGA HITACHI 4612493 LCD panel 14 1 SXGA LG 4612495 4 Hinges 08K6087 Hinges for antenna 26P9196 Antenna assembly 26P9197 not available for this model Inverter card 10L1402 ThinkPad T20 T21 T22 and T23 series 159 Parts list Keyboard Language P N NMB P N ALPS Arabic 02K5750 Belgian 02K5745 Chinese traditional 02K5747 02K5718 Czech 02K5751 Danish 02K5738 Dutch 02K5735 English U K 02K5731 English U S 02K5729 French Canadian 02K5732 French European 02K5734 German 02K5733 Greek 02K5753 Hungarian 02K5752 Hebrew 02K5749 Italian 02K5739 Japanese 02K5730 02K5701 Korean 02K5744 02K5715 Norwegian 02K5737 Polish 02K5755 Portuguese 02K5742 Russian 02K5748 Slovak 02K5754 Slovenian 02K5756 Spanish European 02K5740 S
82. nstructions on the screen Note The serial number of the system unit is written on the label attached on the bottom of the computer Retaining the UUID The Universally Unique Identifier UUID is a 128 bit number uniquely assigned to your computer at production ThinkPad T20 T21 T22 and T23 series 57 FRU replacement notices 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 When you replace the system board you must set the UUID on the new system board as follows 1 Install the ThinkPad hardware maintenance diskette version 1 62 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 58 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Removing and replacing a FRU This section 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 FRU replacement notices on page 56 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
83. o lock the CPU 98 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU For T23 series Note The shape of the CPU socket vary from model to model When removing or installing the CPU confirm the shape of the CPU socket and do either steps El Bl and E or steps EMI H and EN Rotate the head of the screw to the direction of the arrow or to release the lock and then remove the CPU When installing Rotate the head of the screw to the direction of the arrow D or D to lock the CPU ThinkPad T20 T21 T22 and T23 series 99 Removing and replacing a FRU 1140 PC Card slot assembly For T20 T21 T22 series For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 7 1080 Keyboard on page 74 1090 Keyboard CRU insulator on page 8 3 2 Step Screw quantity Torque M2 x 13 5 mm nylon coated 4 0 245 Nm 2 5 kgfcm continued 100 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU When installing the PC card slot assembly do as shown in the figure ThinkP
84. o to Intermittent problems on page 55 Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers see the manual for that device Numeric error codes Symptom or error FRU or action in sequence 0175 System board Bad CRC1 stop POST task The EEPROM checksum is not correct 0187 System board EAIA data access error The access to EEPROM is failed 0188 System board Invalid RFID serialization information area or bad CRC2 The EEPROM checksum is not correct 0189 System board Invalid RFID configuration information area The EEPROM checksum is not correct 0190 1 Charge the battery pack Critical low battery error 2 Battery pack ThinkPad T20 T21 T22 and T23 series 49 Symptom to FRU index Symptom or error FRU or action in sequence The computer has been carried through a security gate 0193 Enter the supervisor RF antenna has been removed password 0194 Enter the supervisor password 0195 Security hardware tamper detected 1 Enter IBM BIOS Setup Utility by entering supervisor password and select Password gt IBM Security Chip gt Clear IBM Security Chip to clear this error 2 Security chip 3 System board 0196 Security hardware removed 1 Enter IBM BIOS Setup Utility by entering supervisor password and select Password gt IBM Security Chip gt
85. on mode you will need to reinstall Windows NT with FAT format Note for OS 2 If you are using OS 2 in the default format HPFS you cannot create a hibernation file If you want to use hibernation mode you will need to reinstall OS 2 with FAT format In hibernation mode the following occurs The system status RAM VRAM and setup data are stored on the hard disk 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 from the docking station 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 Press the Fn F12 keys f you are using the APM operating system and have set the mode to Power switch mode Hibernation turn off the power switch 30 ThinkPad T20 T21 T22 T23 MT 2647 2648 Related service information If you are using the ACPI operating system and have defined one of the following actions as the event that causes the system to go into hibernation mode perform that action Closing the lid Pressing the power button Pressing Fn F4 keys l l Also the computer goes into hibernation mode automatically in either of the following conditions If a hibernation time has been set on the timer and the u
86. ondefective FRU a System board b LCD assembly ge ThinkPad T20 T21 T22 and T23 series 55 FRU replacement notices FRU replacement notices This section contains notices related to removing and replacing parts Read this section carefully before replacing any FRU Screw notices Loose screws can cause a reliability problem In IBM ThinkPad computer 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 They should be used only once Do the following when you service this machine Keep the screw kit for the P N see Miscellaneous parts on page 167 in your tool bag Always use new screws Use a torque screwdriver if you have one Tighten screws as follows Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part 90 degrees more Cross section Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface of the logic card 180 degrees more e Cross section Torque driver If you have a torque driver refer to the Torque column for each step 56 ThinkPad T20 T21 T22 T23 MT 2647 2648 FRU replacement notices Make sure you use the correct screw If y
87. ontinued ThinkPad T20 T21 T22 and T23 series 71 Removing and replacing a FRU When installing Make sure that both of the connectors H and D are firmly attached 72 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1070 Ultrabay 2000 device Any of several devices can be inserted into the Ultrabay 2000 The procedure for installing and removing is the same for every device Ultrabay 2000 also supports Ultrabay Plus device such as Ultrabay Plus carrier Note When you release the switch in step the lever pops out Pull the lever a little in step EJ to release the device from the bay ThinkPad T20 T21 T22 and T23 series 73 Removing and replacing a FRU 1080 Keyboard For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 73 For T20 T21 and T22 series Step Screw quantity Torque M2 5 x 14 mm nylon coated 2 0 392 Nm 4 kgfcm Note T20 T21 and T22 series do not have the removal procedures H to H After step El go to step continued 74 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU For T23 series Note Loosen the screw H but do not remove it Step Screw quantity Torque M2 5 x 14 mm nylon coated 2 0 392 Nm 4 kgfcm Step Screw quanti
88. or access remove these FRUS in order 1030 Hard disk drive on page 63 1110 Keyboard bezel on page 88 Remove the UltraPort adapter if it has been screwed onto the LCD To do this remove the screw from both side of the adapter as shown in the figure Remove the connector cover for the others as shown in the figure KT continued 124 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Step Screw quantity Torque For 13 3 in XGA LCD LG 05K9636 14 1 in XGA LCD Hitachi 05K9568 14 1 in SXGA LCD Hitachi 46L2493 A M2 x 4 mm nylon coated 4 0 245 Nm 2 5 kgfcm For 14 1 in XGA LCD LG 05K9567 SAMSUNG 05K9678 Hyundai 05K9940 DBU 05K9888 14 1 in SXGA LCD LG 46L2495 ER M2 x 4 mm nylon coated 4 0 245 Nm 2 5 kgfcm continued ThinkPad T20 T21 T22 and T23 series 125 Removing and replacing a FRU continued 126 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Cable routing When installing the LCD route the connector cable as in the following figure ThinkPad T20 T21 T22 and T23 series 127 Removing and replacing a FRU 2050 Antenna assembly Note This section is only for MT2647 xFx xJx xLx xNx xSx Other models do not have the antenna assembly For access remove these FRUS in order 1010 Battery pack on page 60 1020 Ba
89. ou use have been certified ISO 9000 as fully effective When handling ESD sensitive parts Keep the parts in protective packages until they are inserted into the product Avoid contact with other people 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 the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices 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 is desirable but not required to protect against ESD damage Attach the ESD ground clip to any frame ground ground braid or green wire ground Use an ESD common ground or reference point when working on a double insulated or battery operated system 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 Introduction 17 Laser compliance statement Laser compliance statement Some IB
90. ou 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 the screws are tightened firmly Retaining serial numbers This section includes the following descriptions Restoring the serial number of the system unit Retaining the UUID 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 ThinkPad hardware maintenance diskette version 1 62 and 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 for each device is displayed Write down the serial number of the system unit designated as follows 20 System unit serial number After you have replaced the system board restore the serial number by doing the following 1 Install the ThinkPad hardware maintenance diskette version 1 62 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 i
91. page 41 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 IBM BIOS Setup Utility before you run PC Doctor On the IBM BIOS Setup Utility screen press F9 Enter F10 and then Enter Note When you initialize the computer configuration some devices are disabled such as the serial port If you test one of these devices you will need to enable it by using PS2 EXE 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 To test the Ultrabay 2000 device install it in the Ultrabay 2000 slot of the computer To run the test do as follows Note In the following procedure you can select an item not only with the arrow keys but also with the TrackPoint Instead of pressing Enter click the left button 1 Insert the PC Doctor disk into the diskette drive then power on the computer If the computer cannot be powered on go to Power System checkout on page 35 and check the power sources 32 ThinkPad T20 T21 T22 T23 MT 2647 2648 Checkout guide If an error code appears go to Symptom to FRU index on page 49 On the first screen select the model and press Enter Follow the instructions on the screen 2 The main panel of PC Doctor appears 3 S
92. panish Latin American 02K5743 Swedish or Finnish 02K5736 Swiss 02K5741 Thai 02K5757 02K5728 Turkish 02K5746 160 ThinkPad T20 T21 T22 T23 MT 2647 2648 Recovery CDs For Windows 98 T22 series Parts list Language P N Arabic 14P9515 Chinese Simplified 27P2112 Chinese Traditional 27P2110 Czech 14P9516 Danish 23P9240 Dutch 23P9247 English U K 23P9236 English U S 23P9235 Finnish 23P9246 French Canadian 23P9237 French European 23P9241 German 23P9242 Greek 23P9266 Hebrew 14P9517 Hungarian 23P9267 Italian 23P9245 Japanese 46P4398 Norwegian 23P9248 Polish 23P9264 Portuguese 23P9239 Russian 23P9268 Slovak 23P9270 Slovenian 23P9269 Spanish European 23P9243 Spanish Latin American 23P9238 Swedish 23P9244 Thai 14P9519 Turkish 14P9518 ThinkPad T20 T21 T22 and T23 series 161 Parts list For Windows 2000 T22 series Language P N Arabic 14P9525 Czech 14P9526 Greek 23P9218 Hebrew 14P9527 Hungarian 23P9219 Polish 14P9528 Russian 23P9220 Slovak 23P9222 Slovenian 23P9221 Turkish 14P9529 For Windows 2000 Windows NT T22 series Language P N Chinese Simplified 27P2117 Chinese Traditional 27P2114 Danish 23P9180 Dutch 23P9187 English U K 23
93. r is in standby mode Blinking green The computer is entering standby mode or hibernation mode or is resuming normal operation This indicator does not blink in Windows 2000 Windows Me and Windows XP El Ultrabay status Green An Ultrabay 2000 device is installed and in use Blinking green An Ultrabay 2000 device is in the process of being detached Turn off An Ultrabay 2000 device is ready to be attached or detached Note If you are using Windows 2000 or Windows XP the Ultrabay status indicator does not blink while an Ultrabay 2000 device is being detached Instead a message box pops up when the process is completed then the indicator turns off ThinkPad T20 T21 T22 and T23 series 45 Product overview FRU Tests The following table shows the test for each FRU FRU Applicable test System board 1 Diagnostics gt CPU Coprocessor 2 Diagnostics gt Systemboard Power Diagnostics gt Other Devices gt IBM AC Adapter IBM Battery 1 IBM Battery 2 LCD unit 1 Diagnostics gt Video Adapter 2 Interactive Tests gt Video Modem 1 Make sure the modem is set up correctly 2 Replace the modem jack and the modem card in turn and run the following test in Diagnostics gt Communication a Lucent Modem M2 Loopback b Lucent Modem M2 Dialtone DTM c Lucent Soft Modem Loopback T23 only d Lucent Soft Modem Dialtone T23 only e Intel Mode
94. r than Hong Kong S A R 02K0540 Switzerland 75H8997 U K 75H8994 ThinkPad T20 T21 T22 and T23 series 173 Notices Notices References in this publication to IBM products programs or services do not imply that IBM intends to make these available in all countries in which IBM operates Any reference to an IBM product program or service is not intended to state or imply that only that IBM product program or service may be used Any functionally equivalent product program or service that does not infringe any of the intellectual property rights of IBM may be used instead of the IBM product program or service The evaluation and verification of operation in conjunction with other products except those expressly designated by IBM are the responsibility of the user IBM may have patents or pending patent applications covering subject matter 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 the IBM Director of Licensing IBM Corporation 500 Columbus Avenue Thornwood NY 10594 U S A Trademarks The following terms are trademarks of the IBM Corporation in the United States or other countries or both Asset ID IBM OS 2 ThinkLight ThinkPad TrackPoint Ultrabay UltraPort Microsoft Windows Windows NT and the Windows logo are trademarks of Microsoft Corporation in the United States and or other countrie
95. ration settings using the View Configuration option then when service has been completed verify that those settings remain in effect Copyright IBM Corp 2002 1 Important service information Strategy for replacing a hard disk drive Always try to run a low level format before replacing a hard disk drive 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 How to use error messages 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 if the error symptom is listed in the Symptom to FRU Index for the computer you are servicing Diskette compatibility matrix The compatibility of each of the drives with the diskettes for it is as follows Diskette Diskette Compatibility drive capacity 3 5 inch 1 0 MB Read and write 2 0 MB Read and write 4 0 MB Not compatible 2 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety notices Safety notices multilingual translations In this manual safety notices appear in English with a page number reference to the appropriate multilingual translated safety notic
96. ries 59 Removing and replacing a FRU 1010 Battery pack UN DANGER Use only the battery in the parts listing for your computer Use of an incorrect battery can result in ignition or explosion of the battery 60 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1020 Backup battery UN DANGER Use only the battery in the parts listing for your computer Use of an incorrect battery can result in ignition or explosion of the battery For access remove this FRU e 1010 Battery pack on page 60 Step Screw quantity Torque M2 5 x 3 5 mm 1 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 61 Removing and replacing a FRU Cable routing When attaching the backup battery to the holder route the battery cable as in the following figure 62 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1030 Hard disk drive j AX Attention Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect 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 the drive if possible Never remove the drive while the system is operating or is in suspend mode For access remove this FRU e 1010 Battery pack on page 60 Note The hard disk is attached to the cover
97. rm the FRU no of the ThinkPad Dock first and choose the proper PCI cover FRU for the ThinkPad Dock you are servicing ThinkPad T20 T21 T22 and T23 series 133 Removing and replacing a FRU Note The following illustration shows how to remove the PCI cover of ThinkPad Dock FRU no 08N1546 Do the same to remove the PCI cover of ThinkPad Dock with extension plate FRU no 08N1537 Bottom view 134 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 3020 ThinkPad Dock top cover Note This section is only for the ThinkPad Dock FRU no 08N1546 The top cover and screw kit for ThinkPad Dock FRU no 12P4143 is not available for the ThinkPad Dock with extension plate FRU no 08N1537 Rear view Step Screw quantity Torque M2 5 x 4 8 mm 2 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 135 Removing and replacing a FRU Bottom view Step Screw quantity Torque B M2 5 x 4 8 mm 8 0 392 Nm 4 kgfcm continued 136 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Make sure that the system lock key A is set to the Unlock position Release the front latches in step El and then remove the top cover E For step H see the inside view shown in the circle ThinkPad T20 T21 T22 and T23 series 137 Removing and replacing a FRU When replacing the top cover do the following
98. rp edges 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 frame ground b The power cord should be the type specified in the parts list c Insulation must not be frayed or worn Remove the cover 5 Check for any obvious non IBM alterations Use good judgment as to the safety of any non IBM alterations 6 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 Check for worn frayed or pinched cables Check that the power supply cover fasteners screws or rivets have not been removed or tampered with Handling devices that are sensitive to electorostatic 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 16 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety information 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 y
99. rt Evitez de fixer le faisceau de le regarder directement avec des instruments optiques ou de vous exposer au rayon Laserstrahlung bei ge ffnetem Ger t Nicht direkt oder ber optische Instrumente in den Laserstrahl sehen und den Strahlungsbereich meiden Kinyit skor l zersug r Ne n zzen bele se szabad szemmel se optikai eszk z kkel Ker lje a sug rnyal bbal val rintkez st Aprendo l unit vengono emesse radiazioni laser Non fissare il fascio non guardarlo direttamente con strumenti ottici e evitare l esposizione diretta al fascio OTKpbIBas eperuTech NagepHoro u3nyuenus He cMorpure Ha nyy He paarzisnbiBalire ero C rlOMOLLIBIO OMTUHECKUX MHCTPYMEHTOB a Take u36era re npamoro Bo3ne crBus nasepHoro nysa Ked je laserov jednotka otvoren Vyhnite sa priamemu poh adu a nehladte priamo s optick mi n strojmi do l ta a vyhnite sa priamemu vystaveniu u ov Radiaci n l ser al abrir No mire fijamente ni examine con instrumental ptico el haz de luz Evite la exposici n directa al haz 20 ThinkPad T20 T21 T22 T23 MT 2647 2648 General descriptions This chapter includes descriptions for any ThinkPad model that has the PC Doctor DOS diagnostics program Some descriptions might not apply to your particular computer Read this first Before you go to the checkout guide be sure to read this section j Important notes Only certified trained personnel should
100. s Pentium is trademark of Intel Corporation in the United States and or other countries For a complete list of Intel trademarks see the legal information on http www intel com Other company product or service names may be the trademarks or service marks of others 174 ThinkPad T20 T21 T22 T23 MT 2647 2648 Notices ThinkPad T20 T21 T22 and T23 series 175 Part Number 62P9631 1P P N 62P9631
101. s Parts list e Each FRU is available for all types or models unless specific types or models are given The FRUs marked with asterisk are CRUs customer replaceable units The FRUs marked with JA are also available as optional FRUs No FRU P N a See Miscellaneous parts on page 167 1 LCD unit see LCD FRUs on page 157 2 Keyboard bezel for T20 for all models except xxK 46P2615 for models xxK 46P2616 Keyboard bezel for T21 and T22 for all models except xxK 46P2613 for models xxK 46P2614 3 Fan assembly for T20 08K7066 Fan assembly for T21 04P3448 Fan assembly for T22 for 2647 3xx 7xx BxG 08K7268 for 2648 all 26P9317 for 2647 all except models 3xx 7xx BxG 4 PC Card slots 08K7064 VO card 26P8023 UO card with conformal coating 08K3373 Microphone cable assembly 27L0520 Base cover for T20 for 2647 all except models xxK xxT 08K6079 for 2647 xxK 08K6350 for 2647 xxT 08K6346 for 2648 all except models xxK xxT 08K6369 for 2648 xxK 08K6372 for 2648 xxT 08K6370 Base cover for T21 for 2647 all except models xxK 26P9291 for 2647 xxK 04P3446 for 2648 all except models xxK 04P3445 for 2648 xxK 04P3447 continued 148 ThinkPad T20 T21 T22 T23 MT 2647 2648 Parts list No FRU P N 7 Base cover for T22 for 2647 3xx 7xx Bxx exc
102. ser does not do any operation with the keyboard the TrackPoint the hard disk drive the parallel connector or the diskette drive within that time If the timer conditions are satisfied in suspend mode If you are using the APM operating system and have set the mode to Hibernate when battery becomes low and the battery charge becomes critically low When the power is turned on the computer returns from hibernation mode and resumes operation The hibernation file in the boot record on the hard disk drive is read and System status is restored from the hard disk drive General descriptions 31 Checkout guide Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer Note The diagnostic tests are intended to test only IBM products The use of non IBM products prototype cards or modified options can lead to false indications of errors and invalid system responses 1 Identify the failing symptoms in as much detail as possible 2 Verify the symptoms Try to re create the failure by running the diagnostic test or by repeating the operation Testing the computer The ThinkPad computer has a test program called PC Doctor DOS hereafter called PC Doctor You can detect errors by running the diagnostics test included in PC Doctor This section is an overview of the procedure For details that depend on model unique functions refer to Product overview on
103. series 117 Removing and replacing a FRU 1200 Microphone cable For access remove these FRUS in order 1090 Keyboard CRU insulator on page 8 1140 PC Card slot assembly on page 10 1160 Hard disk bay on page 105 1170 Ultrabay 2000 slot on page 10 1180 System board on page 11 2 0 7 Cable routing When replacing the cable make sure the connector is firmly attached into place Eg Cable slacking is only allowed at the D part of the frame 118 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 2010 LCD assembly For access remove these FRUS in order 1010 Battery pack on page 60 1030 Hard disk drive on page 63 1070 Ultrabay 2000 device on page 7 1090 Keyboard CRU insulator on page 8 3 2 0 Step Screw quantity Torque M2 5 x 4 8 mm nylon coated 4 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 119 Removing and replacing a FRU For models excepting MT2647 xLx xNx Step Screw quantity Torque A M2 5 x 14 mm nylon coated 1 0 392 Nm 4 kgfcm a M2 5 x 4 8 mm nylon coated 2 0 392 Nm 4 kgfcm 120 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU For MT2647 xLx xNx ES Ep olz amp zE Slalelal lo o 2 GI al a FRjozjo S v Bei 2 8 T o
104. splay and beep symptoms 6 Procedure index and page number in which the failing FRU was detected 7 Failing FRU name and part number 8 Machine type model number and serial number 9 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 The following list provides 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 Before checking problems with the computer determine whether the damage is covered under the warranty by referring to the following The following are not covered under warranty LCD panel cracked from the application of excessive force or from being dropped Scratched cosmetic parts Distortion deformation or discoloration of the cosmetic parts Cracked or broken plastic parts broken latches broken pins or broken connectors caused 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 Damage caused by foreign material in the diskette drive Diskette drive damage caused by pressure on the diskette drive cover or by the insertion of a diskette with multiple la
105. stened the connector firmly to the underside of the system board H 114 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU For T23 series ES o z5 Sla S Bloc 0 25 Flow o D D w o eo E e gt a E S S 2 Z x JP o N o2 Ly o continued 115 ThinkPad T20 T21 T22 and T23 series Removing and replacing a FRU When installing Make sure that all of the guides are firmly attached and you have fastened the connector firmly to the underside of the system board H 116 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 1190 Secure chip Note This section is only for the following models MT2647 5Lx 9Lx DLT HLU MT2647 5Dx 5Fx 5Hx 5Jx 5Nx 5Mx 9Dx 9Fx 9Hx 9Jx 9Nx 9Mx DFx HNx NNx MT2647 5Rx 5Sx 5Ux 9Rx 9Sx 9Ux HSU Other models do not have the secure chip For access remove these FRUS in order 1020 Backup battery on page 61 1060 Ethernet daughter card on page 70 1090 Keyboard CRU insulator on page 82 1100 Hinge cover on page 83 1140 PC Card slot assembly on page 100 1150 Speaker on page 103 1160 Hard disk bay on page 105 1170 Ultrabay 2000 slot on page 107 1180 System board on page 11 ev When installing Make sure that the connector is firmly attached ThinkPad T20 T21 T22 and T23
106. ted 2 lf you are using the ACPI operating system and you press Fn F3 The LCD backlight turns off 28 ThinkPad T20 T21 T22 T23 MT 2647 2648 Related service information The hard disk drive motor stops 3 If the time set on the Turn off monitor timer in the operating system expires The LCD backlight turns off To end screen blank mode and resume normal operation press any key Standby mode When the computer enters standby mode the following events occur in addition to what occurs in screen blank mode The LCD is powered off The hard disk drive is powered off The CPU stops To enter standby mode press Fn F4 Note You can change the action of Fn F4 if you are using the ACPI operating system In certain circumstances the computer goes into standby mode automatically f a 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 f the battery indicator blinks orange indicating that the battery power is low Alternatively if Hibernate when battery becomes low has been selected in the Power Management Properties window the computer goes into hibernation mode Note for the APM operating system Even if you do not set the low battery alarm the charge indicator notifies you when the battery is low and then the computer enters the power savi
107. tta potrebbe determinare l incendio o l esplosione della batteria stessa La bater a de repuesto es una bater a de litio y puede provocar incendios explosiones o quemaduras graves No la recargue ni quite el conector polarizado ni la desmonte ni caliente por encima de los 100 C 212 F ni la incinere ni exponga el contenido de sus celdas al agua Des chela tal como dispone la normativa local 8 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety notices Safety notice 5 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 Si le panneau d affichage cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide rincez les abondamment pendant au moins quinze minutes Consultez un m decin si des sympt mes persistent apr s le lavage Die Leuchtstoffr hre im LCD Bildschirm enth lt Quecksilber Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Der LCD Bildschirm besteht aus Glas und kann zerbrechen wenn er unsachgem behandelt wird oder der Computer auf den Boden f llt Wenn der Bildschirm besch digt ist und die darin befindliche Fl ssigkeit in Kontakt mit Haut und Augen ger t sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgesp lt und bei Besch
108. ty Torque a M2 5 x 11 5 mm nylon coated 1 0 392 Nm 4 kgfcm continued ThinkPad T20 T21 T22 and T23 series 75 Removing and replacing a FRU Note Step Ej to are common for all models continued 76 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU continued 77 ThinkPad T20 T21 T22 and T23 series Removing and replacing a FRU Note Before installing a new keyboard attach the easy button cover as follows continued 78 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU When installing the keyboard do as follows 1 Install the new keyboard following the directions in the figure Make sure that the keyboard edges shown in the figure as A B and C are under the frame continued ThinkPad T20 T21 T22 and T23 series 79 Removing and replacing a FRU 2 Insert your fingers into the PC Card slot on the left of the computer and the Ultrabay 2000 slot on the right of the computer as shown in Then with your fingers in those slots as in H latch the keyboard in place by using your thumbs to press firmly on the shift keys Press the Y key to connect the keyboard to the connector on the underside of the key Ell continued 80 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU 3 To make sure that the front side of the keyboard is housed firmly gently press the shift keys with your thum
109. ving and replacing a FRU For T23 series For access remove these FRUs in order 1010 Battery pack on page 60 1020 Backup battery on page 61 1030 Hard disk drive on page 63 1080 Keyboard on page 74 1100 Hinge cover on page 83 1110 Keyboard bezel on page 8 1070 Ultrabay 2000 device on page 7 1090 Keyboard CRU insulator on page 8 2 Step Screw quantity Torque M2 x 13 5 mm nylon coated 1 0 245 Nm 2 5 kgfcm A M2 5 x 14 mm nylon coated 1 0 392 Nm 4 kgfcm continued 96 ThinkPad T20 T21 T22 T23 MT 2647 2648 Removing and replacing a FRU Torque 0 245 Nm 2 5 kgfcm Screw quantity M2 0 x 13 5 mm nylon coated 3 Step When installing Apply the thermal grease 05K5751 on part of the fan as shown in the the Ef following figure 97 ThinkPad T20 T21 T22 and T23 series Removing and replacing a FRU 1130 CPU For access remove these FRUS in order 1010 Battery pack on page 60 1020 Backup battery on page 61 For T20 T21 and T22 series Rotate the the head of the screw A to the direction of the arrow EJ to release the lock and then remove the CPU When installing 1 When attaching the CPU to the socket do as shown in the step D 2 Rotate the head of the screw A to the direction of the arrow E t
110. werden anschlieBend ein Arzt aufgesucht werden Nel caso che caso l LCD si dovesse rompere ed il liquido in esso contenuto entrasse in contatto con gli occhi o le mani lavare immediatamente le parti interessate con acqua corrente per almeno 15 minuti poi consultare un medico se i sintomi dovessero permanere 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 Introduction 9 Safety notices Safety notice 6 UN DANGER To avoid shock do not remove the plastic cover that protects the lower part of the inverter card 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 Aus Sicherheitsgr nden die Kunststoffabdeckung die den unteren Teil der Spannungswandlerplatine umgibt nicht entfernen Per evitare scosse elettriche non rimuovere la copertura in plastica che avvolge la parte inferiore della scheda invertitore Para evitar descargas no quite la cubierta de pl stico que rodea la parte baja de la tarjeta invertida 10 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety notices Safety notice 7 UN DANGER Though the main batteries have low voltage a shorted or grounded battery can produce enough
111. y for 13 3 in LCD cover kit 2 5 is for the models with 14 1 in XGA TFT with antenna and for the models with 14 1 in SXGA TFT with antenna 3 6 is only for 2647 52x 92x C2x L1x 13 3 in XGA TFT No FRU P N 1 LCD cover kit 13 3 in XGA except models 08K6685 xxK models xxK 08K6764 2 LCD cable assembly 13 3 27L0562 3 LCD panel 13 3 XGA LG 05K9636 4 Hinges 08K6087 5 not available for this model 6 not available for this model 7 Inverter card 10L1402 ThinkPad T20 T21 T22 and T23 series 157 Parts list 14 1 in XGA TFT No FRU P N 1 LCD cover kit 14 1 in XGA for T20 T21 except models xxK 26P9566 for T20 T21 models xxK 26P9567 for T22 T23 except models xxK 46L4843 for T22 T23 models xxK 46L4844 LCD cover antenna kit except models xxK 46L4910 models xxK 46L4911 2 LCD cable assembly 14 1 XGA for T20 T21 27L0519 LCD cable assembly 14 1 XGA CR for T22 27L0640 T23 3 LCD panel 14 1 XGA LG 05K9567 LCD panel 14 1 XGA HITACHI for T20 T21 05K9568 LCD panel 14 1 XGA SAMSUNG for T20 05K9944 T21 LCD panel 14 1 XGA HYUNDAI for T20 05K9940 T21 LCD panel 14 1 XGA LG X10 Light Weight 11P8241 LCD panel 14 1 XGA HITACHI Light Weight 11P8258 for T22 T23 LCD panel 14 1 XGA SAMSUNG Light 46L2292 Weight for T22 T23 LCD panel 14 1 XGA DBU Light Weight for 05K9888 T22 T23 4 Hi
112. y observing the above rule you may prevent a current from passing through your body 14 ThinkPad T20 T21 T22 T23 MT 2647 2648 Safety information 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 these instructions are in the safety sections of maintenance information 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 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 and similar un
113. ystem board UO device IRQ conflict Operating system not found 2 Backup battery 3 System board Failing bits nnnn 1 DIMM 2 System board Invalid system configuration 1 DIMM 2 1 Load Setup Defaults in IBM BIOS Setup Utility 2 Backup battery 3 System board Check that the operating system has no failure and is installed correctly 2 Enter IBM BIOS Setup Utility and see whether the hard disk drive and the diskette drive are properly identified Reseat the hard disk drive Reinstall the operating system Diskette drive Hard disk drive System board Rw Hibernation error PIN og Restore the system configuration to what it was before the computer entered hibernation mode 2 If memory size has been changed re create the hibernation file Fan error Fan Thermal sensing error System board 52 ThinkPad T20 T21 T22 T23 MT 2647 2648 Beep symptoms Symptom to FRU index Symptom or error FRU or action in sequence One beep and a blank unreadable or flashing LCD 1 Reseat the LCD connector LCD assembly External CRT System board RON One long and two short beeps and a blank or unreadable LCD 1 System board 2 LCD assembly 3 DIMM Two short beeps with error codes POST error Seel Numeric Two short beeps and a blank screen 1 System board 2 DIMM Two or more beeps or

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