Lenovo ThinkPad T43 Hardware Maintenance Manual (July 2005)
Lenovo ThinkPad T43 Manual
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- Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 1
ThinkPad Computer Hardware Maintenance Manual July 2005 This manual supports: ThinkPad T43 (MT 1871/1872/1873/1874/1875/1876) ThinkPad Dock II (MT 2877) - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 2
it supports, be sure to read the general information under "Notices" on page 213. First Edition (July 2005) © Copyright Lenovo 2005. Portions © Copyright International Business Machines Corporation 2005. All rights reserved. U.S. GOVERNMENT USERS - RESTRICTED RIGHTS: Our products and/or services are - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 3
service information 31 Service Web site 31 Restoring the pre-installed system 31 Passwords 32 Power management 35 Checkout guide 38 Testing the computer 38 Detecting system information with PC-Doctor. . . 41 Power system checkout 42 ThinkPad T43 Series 45 Product overview 47 Specifications - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 4
Retaining serial numbers 68 Removing and replacing a FRU 71 1010 Battery pack (14.1-in. LCD models) . . . . 72 1020 Battery pack (15.0-in. LCD models) . . . . 74 1030 Ultrabay Slim device 75 1040 Hard disk drive 76 1050 DIMM (optional 78 1060 Keyboard 80 1070 DIMM (standard 84 1080 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 5
Rear view 182 Bottom view 183 Parts list 184 Overall 185 14.1-in. LCD FRUs 194 15.0-in. LCD FRUs 196 Keyboard 199 Recovery CDs 203 Miscellaneous parts 205 AC adapters 208 Optional FRUs 209 Common parts list 210 Notices 213 Trademarks 215 Contents v - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 6
vi MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 7
About this manual This manual contains service and reference information for ThinkPad® T43 series (MT 1871, 1872, 1873, 1874, 1875, and 1876), and ThinkPad Dock II (MT 2877) products. Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is divided into - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 8
2 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 9
FRUs listed in this manual. Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: v If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before you continue. v Some computers have both a processor - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 10
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 a unique configuration that has been negotiated between IBM and the customer. A unique 4-digit MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 11
Important service information v The HMM will have the 4-digit MT and 3-digit CTO model Authorized IBM Business Partners can access Eclaim at the following Web site: https://wca.eclaim.com Using eSupport For Key Commodities (Examples - hard disk drive, system board, microprocessor, LCD, and memory) - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 12
Important service information v eSupport can be used to view the list of key commodities built in a particular machine serial (this is the same record found in PEW). v eSupport can be accessed at the following Web site: http://www.lenovo.com/think/ support v To view the key commodities, click on - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 13
Important service information Important information about replacing RoHS compliant FRUs RoHS, The Restriction of replacement part must also be RoHS compliant. Lenovo plans to transition to RoHS compliance well before the implementation date and expects its suppliers to be ready to support Lenovo's - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 14
service information Products marketed before June 2006 Products marketed after June 2006 Current or Replacement Current or Replacement IBM Information for Suppliers website: http://www-03.ibm. drives with the diskettes for it is as follows: Diskette drive In this manual, safety notices - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 15
Safety notice 1 Safety notices 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 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 16
Verkaufsstelle oder den IBM Kundendienst ausgetauscht werden. Sie darf nicht zerlegt, wiederaufgeladen, kurzgeschlossen, oder Feuer oder Wasser ausgesetzt werden. Die Batterie kann schwere Verbrennungen kann zu Entzündung oder Explosion führen. (continued) 10 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 17
(continuation of safety notice 2) Safety notices Alcune batterie di riserva contengono una piccola quantità di nichel e cadmio. Non smontarle, ricaricarle, gettarle nel fuoco o nell'acqua né cortocircuitarle. Smaltirle secondo la normativa in vigore (DPR - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 18
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 remplacez la batterie, veillez à n'utiliser que les modèles quate. En effet, une batterie inappropriée risque de prendre der Batterie nur - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 19
Safety notices (continuation of safety notice 3) La batteria contiene piccole quantità di nichel. Non smontarla, gettarla nel fuoco o nell'acqua né cortocircuitarla. Smaltirla secondo la normativa in vigore (DPR 915/82, successive disposizioni e disposizioni locali). Quando si sostituisce la - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 20
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 Bestimmungen für Sondermüll beachten. Beim Ersetzen der Batterie nur Batterien des Typs verwenden, der in der - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 21
(continuation of safety notice 4) Safety notices 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, - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 22
Der LCD-Bildschirm besteht aus Glas und kann zerbrechen, wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt. Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit si se presenta algún síntoma del fluido despues de lavarse. 16 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 23
Safety notice 6 DANGER Safety notices To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d'éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d'alimentation. Aus Sicherheitsgrü - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 24
um brennbare Materialien zu entzünden oder Verletzungen bei Personen hervorzurufen. Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in corto circuito o a massa como para quemar material combustible o provocar quemaduras en el personal. 18 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 25
Safety notice 8 DANGER Safety notices 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 unité remplaçable en clientèle, mettez le système hors tension, dé - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 26
following section presents safety information with which you need to be familiar before you service a ThinkPad computer. General safety Follow these rules to ensure general safety: v Observe good in any other conditions that might be hazardous to your eyes. 20 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 27
Safety information v After service, reinstall all safety shields, guards, labels, and ground wires. Replace any safety device that is worn or defective. v Reinstall all covers correctly before returning the machine to the customer. v Fan louvers on the machine help - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 28
precautions when you work with very high voltages; Instructions for these precautions are in the safety sections of touching can cause personal injury and machine damage. v Do not service the following parts with the power on when they are removed from medical aid. 22 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 29
to protect users and service personnel from injury. This guide addresses loose, broken, or sharp edges). 2. Power off the computer. Disconnect the power cord. 3. Check the power cord any obvious non-ThinkPad alterations. Use good judgment as to the safety of any non-ThinkPad alterations. 6. Check - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 30
to electrostatic discharge Any computer part containing transistors or , to provide protection that meets the specific service requirement. Note The use of a battery-operated system, use an ESD common ground or reference point. You can use coax or connector-outside shells on these systems. 24 MT 1871 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 31
Safety information - 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. - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 32
Laser compliance statement Laser compliance statement Some models of ThinkPad computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 33
a CD-ROM drive, a DVD-ROM drive, or another laser o l'esecuzione di procedure diverse da quelle specificate possono provocare l'esposizione a. El uso de la exposición a radiaciones peligrosas. Opening the CD-ROM drive, the DVD-ROM drive, or any other optical storage device could result in - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 34
Laser compliance statement A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note No mire fijamente ni examine con instrumental óptico el haz de luz. Evite la exposición directa al haz. 28 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 35
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. v Replace an FRU only with another FRU of the correct model. When - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 36
problems with the computer, computer unusable) v Sticky keys caused by spilling a liquid onto the keyboard The following symptoms might indicate damage caused by nonwarranted activities: v Missing parts might be a symptom of unauthorized service or modification. v If the spindle of a hard disk drive - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 37
service diskette become available, they will be posted on http://www.lenovo.com/think/spm Restoring the pre-installed system When the hard disk drive is replaced because of a failure, no Product Recovery program is on the new hard disk. In this case, you must use the recovery CD for the computer - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 38
, neither Lenovo nor Lenovo authorized servicers 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 32 MT 1871/1872 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 39
computer supports the Passphrase function, enter the BIOS Setup Utility and go to Security --> Password. If the Using Passphrase item is displayed in the menu, this function is available on the ThinkPad computer. 2. Click Access BIOS. The system Restart Required window is displayed. 3. Click - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 40
and cannot be made available to the servicer, neither Lenovo nor Lenovo authorized servicers 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 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 41
, the computer goes into standby mode automatically: v If 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. v If the battery indicator blinks - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 42
the following occurs: v The system status, RAM, VRAM, and setup data are stored on the hard disk. v The system is powered off. Note: If the computer enters the hibernation mode while it is docked to the docking station, do not undock it before resuming normal operation. If you do undock it and then - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 43
Fn+F4 keys. Also, the computer goes into hibernation mode automatically in either of the following conditions: v If a "hibernation time" has been set on the timer, and if the user does not do any operation with the keyboard, the TrackPoint, the hard disk drive, the parallel connector, or the - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 44
port. If you test one of these devices, you will need to enable it by using Configuration utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/think/ support PC-Doctor cannot be used to test a device that is in the docking station, even if the computer supports - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 45
erased and formatted with the PC-Doctor for DOS boot image. 5. Once all the diskettes have been created, the ThinkPad computer will reboot. The user is asked to remove all diskettes from the drive, or to insert the first diskette created if it is desired to run the diagnostics. To run the test, do - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 46
Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ThinkPad Devices v Communication v Wireless LAN v Memory Test - Full v Memory Test - Quick v Keyboard v Video v Internal Speaker v Mouse v Diskette v System Load - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 47
v PNPISA Info v SMBIOS Info v VESA LCD Info v Hardware Events Log Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive General descriptions 41 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 48
pack" on page 43 v "Checking the backup battery" on page 44 Checking the ac adapter You are here because the computer fails only when the ac adapter is used. v If the power problem occurs only when the port replicator is used, replace the port replicator. v If the power-on indicator does not turn - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 49
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 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 50
is not correct, replace the battery pack. If the resistance is correct, replace the system board. Checking the backup battery Do the following: 1. Power off the computer, and unplug the ac adapter from it. 2. Turn the computer upside down. 3. Remove the battery pack (see "1010 Battery pack (14.1-in - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 51
the ECA information . . . 69 Removing and replacing a FRU 71 1010 Battery pack (14.1-in. LCD models) . . . . 72 1020 Battery pack (15.0-in. LCD models) . . . . 74 1030 Ultrabay Slim device 75 1040 Hard disk drive 76 1050 DIMM (optional 78 1060 Keyboard 80 1070 DIMM (standard 84 1080 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 52
.0-in. LCD models 140 2010 LCD front bezel (14.1-in Keyboard 199 Recovery CDs 203 Windows XP Professional 203 Windows XP Home Edition 204 Miscellaneous parts 205 AC adapters 208 Optional FRUs 209 Common parts list 210 Tools 210 Power cords (system 211 Power cords (ThinkPad Dock - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 53
v "FRU tests" on page 53 v "Fn key combinations" on page 55 Specifications The following table lists the specifications of the ThinkPad T43 series: Feature Processor Bus architecture Graphic memory chip Display Standard memory Description v Intel® Pentium® M processor 730 (1.6 GHz), 2-MB L2 cache - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 54
7200 rpm, 9.5 mm high, IDE interface Supported hard disk drives are depend on the model. Ultrabay Slim device v DVD drive, 9.5 mm high (standard) v DVD/CD-RW combo drive, 9.5 mm high v DVD-RAM/RW drive, 9.5 mm high Fingerprint reader Some models I/O port v External monitor connector v Stereo - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 55
Modem (MDC-2) v ThinkPad Integrated Bluetooth IV with 56K Modem (BMDC-3) v UltraNav Yes v Li-ion battery (6 cells) 4.8 Ah v Li-ion battery (9 cells) 7.2 Ah v Ultrabay Slim Li Polymer battery (3 cells) (option) v 72-watt type v Windows XP Professional v Windows XP Home Edition ThinkPad T43 Series 49 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 56
Product overview Status indicators The system status indicators show the status of the computer, as follows: 1 29 28 27 26 25 24 23 2 8 3 2 50 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 57
is still low. Blinking orange: The battery needs to be charged. When the indicator starts blinking orange, the computer beeps three times. Green: The computer is on and ready to use. This indicator stays lit whenever the computer is on and is not in standby mode. (continued) ThinkPad T43 Series 51 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 58
being read from or written to the hard disk drive, the diskette drive, or the drive in the Ultrabay Slim device. When this indicator is on, do not put the computer into standby mode or turn off the computer. 6 Caps lock 7 Num lock 8 Bluetooth status R 9 Wireless status Note: Do not move the system - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 59
-3) Audio Speaker PC Card slot ExpressCard slot Keyboard Hard disk drive Diskette drive DVD drive or DVD/CD-RW combo drive Applicable test 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard 3. If the docking station or the port replicator is attached to the ThinkPad computer, undock - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 60
--> Memory Test-Full. 1. Turn on the computer and check the air turbulence at the louver near the PC Card slot. 2. Run Diagnostics --> ThinkPad Devices problem. If the pointer stops after a short time, no service action is necessary. Touch Pad If enabling the TrackPoint does not correct the problem - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 61
. Note: In Windows 2000 or Windows XP, this combination of keys enables or disables the built-in wireless networking features (the IEEE 802.11 standard) and the Bluetooth wireless features. To use this function, the following drivers must be installed. v ThinkPad Power Management driver v OnScreen - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 62
while a DVD movie or a video clip is playing. 3. For Windows 2000 or Windows XP, a hotkey application might take over the switching function. Note: This function is not supported in Windows 2000 and Windows XP. If the image displayed on the computer is smaller than the physical display, switch the - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 63
ejectable devices connected to the ThinkPad computer, the ThinkPad Mini Dock, or the ThinkPad Port Replicator II. You cannot use it to detach the computer from the ThinkPad Mini Dock or the ThinkPad Port Replicator II. Note: This function is supported only in Windows 2000 and Windows XP. Reserved - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 64
descriptions of symptoms. If the symptom is not described there, go to "Intermittent problems" on page 66. Note For a 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 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 65
2. System board. 0200 Hard disk error-The hard disk is not working. 1. Reseat the hard disk drive. 2. Load Setup Defaults in BIOS Setup Utility. 3. Hard disk drive. 4. System board. 021x Keyboard error. Run interactive tests of the keyboard and the auxiliary input device. ThinkPad T43 Series 59 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 66
Setup Utility to reset the time and date. Reset the password by running BIOS Setup Utility. 1. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 2. System board. 1. Replace the backup battery and run BIOS Setup Utility to reset the time and date. 2. System board. Run - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 67
replace the hard disk drive. 1. Undock docking station or port replicator if it is attached to the ThinkPad computer, and place the computer on a horizontal surface. Do not apply any physical shock to the computer. 2. Run Diagnostics --> ThinkPad Devices --> HDD Active Protection Test. ThinkPad T43 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 68
the hard disk drive and the diskette drive are properly identified. 3. Reseat the hard disk drive. 4. Reinstall the operating system. 5. Diskette drive. 6. Hard disk drive. 7. System board. 1. Restore the system configuration to what it was before the computer entered hibernation mode. 2. If memory - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 69
valid operating system. 1. Check that the operating system has no failure and is installed correctly. 2. Reinstall the operation system. Excluded from boot order. v Enter the BIOS Setup Utility and add the device in boot order. ThinkPad T43 Series 63 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 70
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 is set. Type the password and press Enter. The hard-disk password prompt A hard-disk password is set. appears. Type the password and - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 71
notebook computer contains many thin-film transistors (TFTs). The presence of a small number of dots that are missing, discolored, or always lighted is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns. The LCD should be replaced . ThinkPad T43 Series 65 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 72
Turn off the computer. 2. Visually check each FRU for damage. Replace any damaged FRU. 3. Remove or disconnect all of the following devices: a. Non-ThinkPad devices b. Devices attached to the port replicator c. Printer, mouse, and other external devices d. Battery pack e. Hard disk drive f. External - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 73
Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the ThinkPad computer, this problem is addressed with special nylon-coated screws that have the following characteristics: v They maintain tight connections. v They do not easily come - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 74
the computer. If you replace the system board, you must restore ThinkPad Hardware Maintenance Diskette Version 1.73 or later and restart the computer. 2. From the main menu, select 1. Set System Identification. 3. Select 1. Add S/N data from EEPROM. Follow the instructions on the screen. 68 MT 1871 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 75
type of the ECA is assumed be the same as the machine type of the machine that had the ECA applied to it. 1. Insert the ThinkPad Hardware Maintenance Diskette Version 1.73 or later, and restart the computer. 2. From the main menu, select 6. Set ECA Information. ThinkPad T43 Series 69 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 76
. 4. To write box build date, select 4. Write box build date from EEPROM, and follow the instruction on the screen. If the system board is being replaced, try to read the ECA information from the old system board and transfer the information to the new system. If the system board is inoperable - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 77
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 67. or by using an electrostatic discharge (ESD) strap (P/N 6405959). ThinkPad T43 Series 71 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 78
Removing and replacing a FRU 1010 Battery pack (14.1-in. LCD models) DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. 1 (continued) 72 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 79
the unlocked position 2 , remove the battery pack 3 . 2 3 When installing: Install the battery pack along the slide rails on the left and right sides of the battery-pack slot. Then make sure that both battery latches, a and b , are locked, as in the following figure. b a ThinkPad T43 Series 73 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 80
Removing and replacing a FRU 1020 Battery pack (15.0-in. LCD models) DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Holding the battery release lever in the unlocked position 1 , remove the battery pack 2 . 1 2 74 MT 1871/1872/ - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 81
Removing and replacing a FRU 1030 Ultrabay Slim device Note Ultrabay Slim does not accept any of the following devices: v Ultrabay Plus devices v Ultrabay the switch in step 1 , the lever pops out. In step 2 , pull the lever a little to release the device from the bay. 1 2 3 ThinkPad T43 Series 75 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 82
Removing and replacing a FRU 1040 Hard disk drive Attention v Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. v Before removing the drive, have the user make a backup - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 83
Removing and replacing a FRU 2 3 3 4 When installing: Make sure that the hard-disk connector is attached firmly. ThinkPad T43 Series 77 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 84
Removing and replacing a FRU 1050 DIMM (optional) For access, remove this FRU: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 Note: Loosen the screw 1 , but do not remove it. 2 1 (continued) 78 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 85
Removing and replacing a FRU 3 4 3 When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into the place. Make sure that it is firmly fixed in the slot and does not move easily. ThinkPad T43 Series 79 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 86
Removing and replacing a FRU 1060 Keyboard For access, remove this FRU: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 1 3 1a Black Black Torque 0.245 Nm (2.5 kgfcm) 0.245 Nm (2.5 kgfcm) (continued) 80 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 87
the part indicated by the arrow 2 in the direction of the arrow. This releases the latches of the keyboard from the frame, so that the front side of the keyboard pops out. 2 Pull the keyboard a little in the direction of the arrow 3 , and then detach the connector 4 . 4 3 ThinkPad T43 Series 81 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 88
Removing and replacing a FRU When installing: 1. Attach the connector 1 . 1 2. Make sure that the keyboard edges, marked a in the figure, are under the frame. a a a (continued) 82 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 89
fingers and try to slide the keyboard towards you. 4. Make sure that all the projections on the front side of the keyboard b are firmly attached under the frame. b b 5. Secure the keyboard from the underside of the computer, using the new screws provided with the keyboard. ThinkPad T43 Series 83 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 90
Removing and replacing a FRU 1070 DIMM (standard) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1060 Keyboard" on page 80 1 2 1 When installing: Insert the notched end of the DIMM into the - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 91
models)" on page 74 v "1060 Keyboard" on page 80 2 1 1 Step 1 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (2) Color Black Torque 0.245 Nm (2.5 kgfcm) In step 2 , remove the card by pulling the tab with your fingers in the direction of the arrow. (continued) ThinkPad T43 Series 85 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 92
Removing and replacing a FRU Turn the card over 3 , and detach the modem connector 4. 3 4 When installing: Make sure that connector 4 and the connector on the underside of the card are firmly attached. 86 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 93
models)" on page 74 v "1060 Keyboard" on page 80 2 1 1 Step 1 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (2) Color Black Torque 0.245 Nm (2.5 kgfcm) In step 2 , remove the card by pulling the tab with your fingers in the direction of the arrow. (continued) ThinkPad T43 Series 87 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 94
Removing and replacing a FRU Turn the card over 3 , and detach the modem connector 4 . Then, unplug the jack by using the removal tool When installing: Make sure that connector 4 , the jack 5 , and the connector on the underside of the card are firmly attached. 88 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 95
Removing and replacing a FRU 1100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 Notes In models with the fingerprint - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 96
Removing and replacing a FRU 3a 3 1 1 11 2 Step Icon Screw Screw (quantity) cap 1 1 M2 × 4 mm, small-head, nylon-coated (4) 2 2 M2 × 5 mm, bind (2.5 kgfcm) Silver 0.245 Nm (2.5 kgfcm) Black 0.204 Nm (2.0 kgfcm) Black 0.204 Nm (2.0 kgfcm) (continued) 90 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 97
Removing and replacing a FRU For a model with a touch pad, detach the touch pad connector by pulling the tab with your fingers in the direction 5 . For other models, skip step 4 . 4 5 When installing: On a model with a touch pad, make sure that connector 4 is firmly attached. ThinkPad T43 Series 91 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 98
Removing and replacing a FRU 1110 Keyboard bezel or Keyboard bezel with fingerprint reader (15.0-in. LCD models) For access, remove these FRUs in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 Note In models with the - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 99
Removing and replacing a FRU 2 2 2 2 2 Step Icon 2 2 Screw (quantity) Color M2 × 14 mm, bind-head, Black nylon-coated (6) Torque 0.245 Nm (2.5 kgfcm) 3 4 ThinkPad T43 Series 93 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 100
Removing and replacing a FRU When installing: 1. Place the keyboard bezel so that the three latches are fixed in place 1 . 1 While inserting the three latches, align the top-left corner of the keyboard bezel as in figure a . a (continued) 94 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 101
Removing and replacing a FRU 2. Press the left edges 2 and the front edges 3 of the keyboard bezel until the latches are snapped. 2 2 3 3 3. Attach the touch pad connector 4 . 4 (continued) ThinkPad T43 Series 95 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 102
Removing and replacing a FRU 4. Secure the keyboard bezel from the underside of the computer with the screws b and c . b b 1 c c 2 c c 5. Attach the keyboard. (continued) 96 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 103
Removing and replacing a FRU 6. Secure the keyboard bezel from the underside of the computer with the screw d . This screw cannot be fastened properly without attaching keyboard. d 2 ThinkPad T43 Series 97 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 104
Removing and replacing a FRU 1120 Mini PCI adapter For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1100 Palm rest or Palm rest - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 105
Removing and replacing a FRU 4 3 3 When installing: 1. Plug the gray cable to jack M, and the black cable to jack A. 2. Insert the notched end of the card into . Pivot the card until it snaps into place. Make sure that it is firmly fixed in the slot and does not move easily. ThinkPad T43 Series 99 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 106
Removing and replacing a FRU 1130 Fan assembly For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1100 Palm rest or Palm rest with - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 107
Removing and replacing a FRU Important In step 2 , insert the tip of the tool horizontally between the fan assembly and the CPU, as indicated by arrow a remove the fan assembly between the gap. To do so, the CPU or the other electrical component may be damaged. 2 a (continued) ThinkPad T43 Series 101 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 108
replacing a FRU Important In step 2a and 2b , be careful not to damage the copper plate of the fan assembly. Step 2a is for the fan assembly, long and for the fan assembly, long M10. Step 2b is for the fan assembly, short. Distortion of the fan assembly may cause a thermal problem - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 109
Removing and replacing a FRU 3 4 When installing: v Before you attach the fan assembly to the computer, apply thermal grease on the part marked a as in the following figures. v Make sure that the connector 4 is firmly attached. a ThinkPad T43 Series 103 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 110
the parts list for your computer. Any other battery could ignite or explode. For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1100 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 111
Removing and replacing a FRU 2 When installing: Make sure that the battery connector 2 is firmly attached. ThinkPad T43 Series 105 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 112
replacing a FRU 1150 Speaker assembly For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard ) 0.245 Nm (2.5 kgfcm) 106 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 113
Removing and replacing a FRU In step 3 , release the speaker cables from the cable guide. 2 4 3 When installing: Make sure that the connector 4 is firmly attached. Then route the cable as in 3 . ThinkPad T43 Series 107 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 114
Removing and replacing a FRU 1160 Keyboard bezel (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 115
2 a 3 b Removing and replacing a FRU a 3 a Step Screw (quantity) 2 M2 × 4 mm, bind-head, nylon-coated (1) Color Black Torque 0.245 Nm (2.5 kgfcm) all the latches marked a are firmly attached. Attach harness left ( b ), and then secure the keyboard bezel with the screws. ThinkPad T43 Series 109 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 116
Removing and replacing a FRU 1170 PC Card/ExpressCard slots (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1100 Palm rest or Palm rest with fingerprint reader (14 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 117
Removing and replacing a FRU 2 When installing: Make sure that the connector on the underside of the PC Card/ExpressCard slots 2 is firmly attached, and then secure the slots with the screws. ThinkPad T43 Series 111 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 118
Removing and replacing a FRU 1180 PC Card/ExpressCard slots (15.0-in. LCD models) For access, remove these FRUs in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1110 Keyboard bezel or Keyboard bezel with fingerprint - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 119
replacing a FRU Step 2 Screw (quantity) M2 × 4 mm, bind-head, nylon-coated (1) Color Black Torque 0.245 Nm (2.5 kgfcm) 4 When installing: Make sure that the connector on the underside of the PC Card/ExpressCard slots 2 is firmly attached, and then secure the slots with the screws. ThinkPad T43 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 120
Removing and replacing a FRU 1190 LCD assembly (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1090 Bluetooth/Modem daughter card (BMDC-3)" on page 87 v "1100 Palm - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 121
Removing and replacing a FRU 3 2 4 Step 2 Screw (quantity) M2 × 14 mm, bind-head, nylon-coated (1) Color Black Torque 0.245 Nm (2.5 kgfcm) After Make sure that the bracket 3 and the connector 4 are firmly attached, and then secure them with the screw. (continued) ThinkPad T43 Series 115 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 122
Removing and replacing a FRU 5 Step 5 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (1) (continued) Color Black Torque 0.245 Nm (2.5 kgfcm) 116 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 123
Removing and replacing a FRU Release the antenna cables from the cable guide 6 . 6 6 6 6 6 6 When installing: Make sure that the antenna cables are correctly routed and securely in place. (continued) ThinkPad T43 Series 117 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 124
Removing and replacing a FRU 7 7 When installing: Make sure that the security keyhole which is on the left-rear corner of the base cover and the keyhole of the bracket inside are aligning firmly. 118 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 125
and replacing a FRU 1200 LCD assembly (15.0-in. LCD models) For access, remove these FRUs in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1090 Bluetooth/Modem daughter card (BMDC-3)" on page 87 v "1110 Keyboard - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 126
Removing and replacing a FRU 2 3 Step 2 Screw (quantity) M2 × 12 mm, flat-head, nylon-coated (1) Color Black Torque 0.245 Nm (2.5 kgfcm) When installing: Make sure that the connector 3 is firmly attached, and then secure it with the screw. (continued) 120 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 127
Removing and replacing a FRU 4 4 Step 4 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (3) (continued) Color Black Torque 0.245 Nm (2.5 kgfcm) ThinkPad T43 Series 121 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 128
Removing and replacing a FRU Release the antenna cables from the cable guide 5 . 5 5 5 5 5 When installing: Make sure that the antenna cables are correctly routed and securely in place. (continued) 122 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 129
Removing and replacing a FRU 6 6 When installing: Make sure that the security keyhole which is on the left-rear corner of the base cover and the keyhole of the bracket inside are aligning firmly. ThinkPad T43 Series 123 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 130
and replacing a FRU 1210 CPU For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)" on page 89 v "1110 Keyboard bezel - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 131
replacing a FRU 1220 Ultrabay Slim guide rail assembly (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard Torque 0.204 Nm (2.0 kgfcm) 0.204 Nm (2.0 kgfcm) ThinkPad T43 Series 125 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 132
Black Silver Torque 0.245 Nm (2.5 kgfcm) 0.245 Nm (2.5 kgfcm) In step 5 , remove the Ultrabay Slim guide rail assembly and the hard disk drive guide rail together. Separate the Ultrabay Slim guide rail assembly a and the hard disk drive guide rail b . a b 6 6 126 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 133
replacing a FRU 1230 Ultrabay Slim guide rail assembly (15.0-in. LCD models) For access, remove these FRUs in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1110 Keyboard bezel or Keyboard ) ThinkPad T43 Series 127 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 134
and replacing a FRU 3 5 4 3 3 Step 3 4 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (5) M2 × 3 mm, small-head, nylon-coated (2) Color Black Black Torque 0.245 Nm (2.5 kgfcm) 0.245 Nm (2.5 kgfcm) In step 5 , remove the Ultrabay Slim guide rail assembly and the hard disk drive guide - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 135
Removing and replacing a FRU Separate the Ultrabay Slim guide rail assembly a and the hard disk drive guide rail b . b a 6 6 ThinkPad T43 Series 129 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 136
Removing and replacing a FRU 1240 VGA and Ultrabay Slim device eject button cable For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v " - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 137
Removing and replacing a FRU 4 6 5 Step 4 Screw (quantity) M2 × 4 mm, bind-head, nylon-coated (1) Color Black Torque 0.245 Nm (2.5 kgfcm) When installing: Make sure that the connector 1 is firmly attached. ThinkPad T43 Series 131 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 138
and replacing a FRU 1250 System board and base cover (14.1-in. LCD models) For access, remove these FRUs, in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1030 Ultrabay Slim device" on page 75 v "1040 Hard disk drive" on page 76 v "1050 DIMM (optional)" on page 78 v "1060 Keyboard - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 139
and replacing a FRU Important notice for handling the system board: The security chip a is soldered on the underside of the system board as in this figure. a The accelerometer chip for the HDD Active Protection System b is also soldered on the topside of the system board. b ThinkPad T43 Series - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 140
Active Protection still functions. The procedure is as follows: 1. Place the computer on a horizontal surface. 2. Run Diagnostics --> Other Devices --> HDD Active Protection Test. Attention: Do not apply physical shock to the computer while the test is running. 134 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 141
Removing and replacing a FRU Before removing the system board, remove the support structure ( a ) and the cable guide ( b ). 2 b a 1 2 3 When installing: Make sure that the connectors 2 are firmly attached to the system board. ThinkPad T43 Series 135 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 142
Removing and replacing a FRU 5 4 Step 4 5 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (1) M2.5 × 4 mm, bind-head, nylon-coated (1) (continued) Color Black Black Torque 0.245 Nm (2.5 kgfcm) 0.392 Nm (4 kgfcm) 136 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 143
Removing and replacing a FRU 7 6 d c 8 Step 6 7 Screw (quantity) M2 × 3 mm, small-head, nylon-coated (1) M2 × 10 mm, flat-head, nylon-coated (2.5 kgfcm) 0.245 Nm (2.5 kgfcm) In step 8 , remove the I/O plate bracket ( c ) and the system board ( d ) together. (continued) ThinkPad T43 Series 137 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 144
Removing and replacing a FRU 10 9 11 Step Screw (quantity) 9 Hex stud (2) 10 M2.5 × 3 mm, bind-head, nylon-coated (1) Color Silver Gold Torque 0.392 Nm (4 kgfcm) on the base cover fit into the holes provided, and then secure the system board with the screw. 138 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 145
label kit on the base cover New base cover FRU is shipped with several kinds of label kit. When you replace the base cover, you need to stick a homologation label a which has the same part no. with the label Stick the labels on the new base cover as shown in this figure. b b a ThinkPad T43 Series 139 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 146
.0-in. LCD models) For access, remove these FRUs, in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1030 Ultrabay Slim device" on page 75 v "1040 Hard disk drive" on page 76 v "1050 DIMM (optional)" on page 78 v "1060 Keyboard" on page 80 v "1070 DIMM (standard)" on page 84 v "1080 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 147
and replacing a FRU Important notice for handling the system board: The security chip a is soldered on the underside of the system board as in this figure. a The accelerometer chip for the HDD Active Protection System b is also soldered on the topside of the system board. b ThinkPad T43 Series - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 148
Active Protection still functions. The procedure is as follows: 1. Place the computer on a horizontal surface. 2. Run Diagnostics --> Other Devices --> HDD Active Protection Test. Attention: Do not apply physical shock to the computer while the test is running. 142 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 149
Removing and replacing a FRU Remove the support structure a and the EMI bracket b. 2 b 3 a 1 Step 2 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (1) (continued) Color Black Torque 0.245 Nm (2.5 kgfcm) ThinkPad T43 Series 143 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 150
Removing and replacing a FRU 6 5 7 c 6 4 Step 4 5 Screw (quantity) M2 × 10 mm, flat-head, nylon-coated (1) M2.5 × 4.8 mm, bind-head, nylon-coated (1) Color Black Black Torque 0.245 Nm (2.5 kgfcm) 0.392 Nm (4 kgfcm) Remove two connectors 6 and then remove the cable guide c in the direction - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 151
Removing and replacing a FRU 8 8 e d 9 Step 8 Screw (quantity) M2 × 4 mm, bind-head, nylon-coated (3) Color Black Torque 0.245 Nm (2.5 kgfcm) In step 9 , remove the I/O base cover fit into the holes provided, and then secure the system board with the screw. (continued) ThinkPad T43 Series 145 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 152
Removing and replacing a FRU 10 11 f g 12 13 Step Screw (quantity) 10 Hex stud (2) 11 M2.5 × 3 mm, flat-head, nylon-coated (1) Color Silver Gold When installing: Make sure that the connectors of the interposer card are firmly attached to the system board. 146 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 153
label kit on the base cover New base cover FRU is shipped with several kinds of label kit. When you replace the base cover, you need to stick a homologation label a which has the same part no. with the label Stick the labels on the new base cover as shown in this figure. b b a ThinkPad T43 Series 147 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 154
replacing a FRU 2010 LCD front bezel (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard ) 0.392 Nm (4 kgfcm) 0.245 Nm (2.5 kgfcm) (continued) 148 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 155
Removing and replacing a FRU 4 5 ThinkPad T43 Series 149 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 156
and replacing a FRU 2020 LCD front bezel (15.0-in. LCD models) For access, remove these FRUs in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1090 Bluetooth/Modem daughter card (BMDC-3)" on page 87 v "1110 Keyboard - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 157
Removing and replacing a FRU 3 2 ThinkPad T43 Series 151 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 158
Removing and replacing a FRU 2030 Inverter card (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1090 Bluetooth/Modem daughter card (BMDC-3)" on page 87 v "1100 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 159
Removing and replacing a FRU Cable routing: When replacing the inverter card, route the connector cable as in this figure: ThinkPad T43 Series 153 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 160
and replacing a FRU 2040 Inverter card (15.0-in. LCD models) For access, remove these FRUs in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v "1090 Bluetooth/Modem daughter card (BMDC-3)" on page 87 v "1110 Keyboard - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 161
Removing and replacing a FRU 2050 Wireless antenna assemblies, LCD panel, LCD cable assembly, hinges, and LCD cover (14.1-in. LCD models) For access, remove these FRUs in order: v "1010 Battery pack (14.1-in. LCD models)" on page 72 v "1040 Hard disk drive" on page 76 v "1060 Keyboard" on page 80 v - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 162
Removing and replacing a FRU Peel the tape securing the Bluetooth wireless antenna assembly 3 . 3 5 4 4 Step 4 Screw (quantity) M2 × 2.7 mm, small-head, nylon-coated (2) (continued) Color Yellow Torque 0.245 Nm (2.5 kgfcm) 156 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 163
Removing and replacing a FRU In step 6 , remove the latch bar as in this figure. 6 Lift the latch bar in the direction of the arrow 7 , and then remove the left latch in the direction of the arrow 8 . 8 7 (continued) ThinkPad T43 Series 157 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 164
Removing and replacing a FRU 9 Step 9 Screw (quantity) M2 × 3 mm, small-head, nylon-coated (1) (continued) Color Silver Torque 0.245 Nm (2.5 kgfcm) 158 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 165
( 10a ), and then release the cables from the cable guide ( 10b ). Lift the LCD panel in the direction of arrow 11 , and detach the wireless LAN antenna 12 and the ThinkLight 13 . Then remove the LCD panel in the direction of arrow 14 . 12 13 14 11 10b 10a (continued) ThinkPad T43 Series 159 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 166
Removing and replacing a FRU Remove the antenna assembly a and hinges b from the LCD assembly. a 15 16 16 17 b b Step 16 Screw (quantity) M2 × 3 mm, small-head, nylon-coated (4) 17 16 16 Color Silver Torque 0.245 Nm (2.5 kgfcm) Remove two screws c , and detach the wireless AUX antenna - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 167
Removing and replacing a FRU Turn over the LCD panel and strip off the tape 21 securing the FPC ( c ). Then detach the connector 22 in the direction of the arrow. 21 c 22 (continued) ThinkPad T43 Series 161 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 168
Removing and replacing a FRU Remove the right latch from the LCD cover. 23 24 162 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 169
Removing and replacing a FRU When installing: Follow these steps when you reassemble the LCD unit. 1. Attach the left latch to the LCD cover. 1 2 (continued) ThinkPad T43 Series 163 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 170
Removing and replacing a FRU 2. Paste three gaskets only for the models with Bluetooth wireless features. For the other models, skip this step. 95.5 mm 68.5 mm 41.5 mm 3. Connect the LCD cable assembly to the LCD panel and secure it with the tape. 4. Attach the wireless LAN antenna cables (MAIN, - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 171
Removing and replacing a FRU 6. Route the wireless LAN antenna cables as in the following drawings: a. 1 2 3 3 (continued) ThinkPad T43 Series 165 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 172
Removing and replacing a FRU b. 4 4 c. 5 5 (continued) 166 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 173
Removing and replacing a FRU d. Coil the spiral tube round the antenna cables 6 . 6 e. Slide the spiral tube in the direction shown by arrow 7 . 7 (continued) ThinkPad T43 Series 167 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 174
and replacing a FRU Move the spiral tube until it reaches at the cable guide of the LCD cover as in this figure. Make sure that the antenna cable is not pinched by cable clip ( a ). 8 a 7. Secure the LCD panel with the screws. 8. Attach the right latch to the LCD cover. 1 2 168 MT 1871/1872 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 175
replacing a FRU 2060 Wireless antenna assemblies, LCD panel, LCD cable assembly, hinges, and LCD cover (15.0-in. LCD models) For access, remove these FRUs in order: v "1020 Battery pack (15.0-in. LCD models)" on page 74 v "1040 Hard disk drive" on page 76 v "1060 Keyboard ) ThinkPad T43 Series 169 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 176
Removing and replacing a FRU Release the antenna cables 2 . At the parts indicated by arrows a , the antenna cables go through the hinges. When you route the antenna cables, attach the cables firmly. a 2 2 2 a (continued) 170 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 177
Removing and replacing a FRU 4 5 3 6 b 6 7 Step 6 Screw (quantity) M2 × 3 mm, bind-head, nylon-coated (4) (continued) b 7 6 6 Color Silver Torque 0.245 Nm (2.5 kgfcm) ThinkPad T43 Series 171 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 178
Removing and replacing a FRU Turn over the LCD panel, and detach the connector 8 in the direction of the arrow. 8 When installing: Make sure that the FPC connector is firmly attached to the LCD panel. (continued) 172 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 179
models with the Bluetooth wireless features. For the other models, skip this step. Step 9 Screw (quantity) M2 × 4 mm, bind-head, nylon-coated (2) Color Black Torque 0.245 Nm (2.5 kgfcm) Remove the hinges 10a , 10b and the wireless LAN antenna cables 11 , 12 (continued) ThinkPad T43 Series 173 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 180
Removing and replacing a FRU Cable routing: When you reassemble the LCD unit, do as follows: At the left-top corner of the LCD unit, route as , push the cable into the ditch between the LCD cover and the bracket by using a screwdriver as in c . a b b c (continued) 174 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 181
Removing and replacing a FRU Then route the cables to along the cable guides of the LCD cover. When you route the cables around the LCD hinges, do as shown in c . c c ThinkPad T43 Series 175 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 182
Removing and replacing a FRU 3010 ThinkPad Dock II PCI cover 1 1 2 (Bottom view) 176 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 183
Removing and replacing a FRU 3020 ThinkPad Dock II top cover 1 1 1 (Rear view) Step 1 Screw (quantity) M2.5 × 4.8 mm (3) 2 2 Step 2 Screw (quantity) M2.5 × 4.8 mm (4) (continued) Torque 0.392 Nm (4 kgfcm) 2 2 Torque 0.392 Nm (4 kgfcm) ThinkPad T43 Series 177 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 184
Removing and replacing a FRU 3 3 (Bottom view) Step 3 Screw (quantity) M2.5 × 4.8 mm (6) (continued) Torque 0.392 Nm (4 kgfcm) 178 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 185
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 4 , and then remove the top cover 5 . Then detach the connector cable 6 as in the figure. 5 A 4 6 ThinkPad T43 Series 179 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 186
Locations Locations Front view 1 Wireless status indicator 2 Bluetooth wireless status indicator (for some models) 3 System status indicators 4 Power status indicators 14 Touch pad 15 UltraNav 16 Access IBM button 17 Volume control buttons 18 Power switch 19 ThinkLight 180 MT - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 187
19 18 17 16 Locations 1 2 3 4 14 13 15 12 10 11 98765 ThinkPad T43 Series 181 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 188
Power status indicators 2 Bluetooth wireless status indicator (for some models) 3 PC Card/ExpressCard eject buttons 4 PC Card/ExpressCard slots 5 Microphone jack 6 Stereo headphone jack 7 RJ-45 (Ethernet) connector 8 RJ-11 (modem) connector 9 TV-out connector 10 Universal serial - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 189
Bottom view Locations 1 Hard disk drive 2 Optional DIMM slot 3 Battery pack 4 Battery pack lock (only for 14.1-in LCD models) 5 Docking connector 6 Battery pack latch 7 Infrared port 8 Built-in stereo speakers 9 LCD latch 3 2 4 1 5 6 9 8 7 ThinkPad T43 Series 183 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 190
Parts list v Each FRU is available for all types or models, unless specific types or models are specified. v A CRU (customer replaceable unit) is identified by a single asterisk (*) or two asterisks (**) in 2 CRU. v FRUs marked with OP are available as options. 184 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 191
Overall 22 21 20 f 19 18 17 16 15 14 13 12 Parts list 1 2a a b 2b 3 8 d 4 c 5 6 7 e 23 9 10 11 ThinkPad T43 Series 185 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 192
, D9x, EAx, ECx v 1876-CTO, DBx, EEx Keyboard bezel assembly with fingerprint 26R8411 N reader (15.0-in.) v 1871-CTO, 24x, 25x, 86x, F4x v 1875-CTO, DAx, DCx, DMx, EBx, EDx, F4x 91P8685 N v 1876-CTO, EFx 3 Ultrabay guide rail assembly (14.1-in.) v 1871-CTO, 11x, 12x, 14x, 18x, 19x, 48x, 4Ax - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 193
Hard disk drive, 30 GB, 9.5 mm, 4,200 rpm v Supported by CTO Fujitsu 13N6903 * HGST 13N6883 * Hard disk drive, 40 GB, 9.5 mm, 4,200 rpm v Supported by CTO Fujitsu 13N6885 * HGST 13N6905 * Hard disk drive, 40 GB, 9.5 mm, 5,400 rpm v 1871 13N6919 * (continued) ThinkPad T43 Series 187 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 194
DMx Fujitsu 13N6915 * HGST 39T2523 * Hard disk drive, 60 GB, 9.5 mm, 7,200 rpm, HGST v Supported by CTO 13N6897 * Hard disk drive, 80 GB, 9.5 mm, 5,400 rpm v 1871-CTO, 25x, 26x, 27x Fujitsu 13N6917 * HGST 39T2525 * 6 Cover, Hard disk drive (14.1-in.) 13N5530 * v 1871-CTO, 1xx, 4xx, C1x - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 195
E5x, EAx, EBx, ECx, EDx v 1876-CTO, DBx, EEx, EFx IBM Integrated Bluetooth IV with 56K Modem (BMDC-3) v 1871-CTO, 14x, 25x, 4Bx, 4Cx, Fxx v 1875-CTO, Fxx 9 card OP v Supported by CTO P/N CRU ID 93P4212 ** 39T0022 ** 73P3841 * 73P3843 * 73P3845 * 73P3847 * (continued) ThinkPad T43 Series 189 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 196
pack, Li-ion (9 cell) 7.2 Ah OP v Supported by CTO Sanyo 92P1077 * Sony 92P1073 * Panasonic 92P1069 * Dummy battery pack v Supported by CTO 91P9719 * For optional battery packs, see "Optional FRUs" on page 209. 11 Base cover assembly 1871 (14.1-in.) v 1871-CTO, 1xx, 4xx, C1x, F1x 26R8971 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 197
, D9x, DAx, DCx, DMx, EAx, EBx, ECx, EDx, F4x v 1876-CTO, DBx, EEx EFx 14 Intel PRO Wireless 2200BG Mini-PCI Adapter US v 1871-CTO, 1xU, 22U, 24U, 4AU v 1872-CTO, 1xU, 4AU v 1873-4Ax for xxF, xxU, xxV v 1874-4Ax . They are not CRUs in the 15.0-in. LCD models. (continued) ThinkPad T43 Series 191 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 198
No. FRU P/N CRU ID 14 Intel PRO Wireless 2915ABG Mini-PCI Adapter US 93P4235 ** v 1871-CTO, 48U, 4BU, 4CU, 86U, C1U (*1) v 1872-CTO, C1U v 1875-CTO, D2U, D6U, D9U, DAU, DCU v 1876-CTO, DBU EU v 1871-CTO, 25x, FxG v 1875-CTO, FxG 93P4237 ** (*1) HB v 1871-CTO, 25x, FxG v 1875-CTO, FxG - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 199
see "Keyboard" on page 199.) ** 22 Track point stick caps 91P9642 * 23 Interposer card 39T0030 N v 1871-CTO, 2xx, 8xx, F4x v 1875-CTO, D3x, D9x, DAx, DCx, DMx, EAx, EBx, ECx, EDx, F4x v 1876-CTO, DBx, EEx EFx - Telephone cable (SAN TAI) 91P6839 * - Thermal grease 46L4855 N ThinkPad T43 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 200
Parts list 14.1-in. LCD FRUs 8 7 6 1 a b 5 4 d c 2 3 e 194 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 201
E5x, F1x 4 Wireless antenna assembly, 14.1-in. 91P6896 N v 1871-CTO, 1xx, 4xx 1871-CTO, 1xx, 4xx, C1x, F1x v 1872-CTO, 1xx, 4xx, C1x v 1873-4Ax v 1874-4Ax v 1875-CTO, D1x, D2x, D6x, DKx, DLx, E1x, E5x, F1x HYDIS 92P6733 N LG 92P6726 N Samsung 92P6759 N 8 Clear plate 26R8409 N ThinkPad T43 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 202
Parts list 15.0-in. LCD FRUs 8 1 7 6 5 2 3 4 196 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 203
DBx, EEx, EFx 4 Bluetooth wireless antenna, 15.0-in. 91P6860 N v 1871-CTO, 22x, 23x, 24x, 1871-CTO, 22x, 23x, 24x, 25x, 26x, 27x, 86x v 1875-CTO, F4x, D3x, D9x, DAx, DCx, DMx, EAx, EBx, ECx, EDx v 1876-CTO, DBx, EEx, EFx LG 92P6699 N Samsung 92P6701 N 8 Clear plate 26R8409 N ThinkPad T43 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 204
Parts list 15.0-in. SXGA+ IPS TFT Note: Only supported by CTO. No. FRU 1 LCD cover kit, 15.0-in. (WW) 2 Hinges, 15.0-in. 3 LCD cable assembly, 15.0-in. SXGA+ 4 Bluetooth wireless antenna, 15.0-in. 5 Antenna, 15.0-in. 6 Inverter card, 15.0-in. IPS 7 LCD panel, 15.0 SXGA+ ID TECH LG 8 Clear plate P/N - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 205
Keyboard Keyboards for 15.0-in. LCD models Parts list Language Arabic Belgian Chinese, Traditional Czech Danish Dutch English, U.K. English, U.S. 13N9923 39T0770 13N9898 39T0769 13N9897 39T0789 13N9917 39T0788 13N9916 39T0785 13N9913 39T0775 13N9903 (continued) ThinkPad T43 Series 199 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 206
13N9901 39T0791 13N9919 39T0778 13N9906 39T0784 13N9912 39T0790 13N9918 39T0792 13N9920 39T0776 13N9904 39T0779 13N9907 39T0772 13N9900 39T0777 13N9905 39T0793 13N9921 39T0782 13N9910 200 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 207
Parts list Keyboards for 14.1-in. LCD models Language Arabic Belgian Chinese, Traditional Czech Danish Dutch English, U.K. English, U.S. English, 13N9836 39T0585 13N9835 39T0605 13N9855 39T0604 13N9854 39T0601 13N9851 39T0591 13N9841 39T0582 13N9832 (continued) ThinkPad T43 Series 201 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 208
13N9839 39T0607 13N9857 39T0594 13N9844 39T0600 13N9850 39T0606 13N9856 39T0608 13N9858 39T0592 13N9842 39T0595 13N9845 39T0588 13N9838 39T0593 13N9843 39T0609 13N9859 39T0598 13N9848 202 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 209
Recovery CDs Parts list Windows XP Professional Windows XP Professional is preinstalled as the operating system in the following models: v 1871-1xx except 13x, 2xx, 4xx, 8xx, Cxx, Fxx v 1872-1xx, 4xx, Cxx v 39K7801 39K7809 39K7797 39K7812 39K7795 39K7798 39K7813 CRU ID * ThinkPad T43 Series 203 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 210
Parts list Windows XP Home Edition Windows XP Home Edition is preinstalled as the operating system in the following models: v 1871-13x Language Arabic Chinese, Simplified Chinese, Traditional Chinese, Traditional (Hong Kong S.A.R.) Czech Danish Dutch English, U.K. English, U.S. Finnish French - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 211
wireless battery lock v Slide lever v Slide lever spring v Pull lever v Pull lever spring v Puller v Rubber, shock absorber v Insulation, bottom v Foam under fan v Cu tape under fan v Cu tape v Insulation, louver v Screw caps (square, thin) P/N 13R2916 CRU ID N 26R8406 N (continued) ThinkPad T43 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 212
parts (14.1-in. LCD models): v Cable, RJ11-docking connector on system board v DC in cable v (c) Hard disk drive guide rail v Spacer for DSP connector v (e) I/O plate bracket v (f) Support structure v Harness (left) v (b) Antenna cable guide v Bracket holder, LCD cable v (d) EMI spring, CDC - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 213
, docking connector v Insulator, fan v Insulator, Mg v S-video gasket v Form on system board v Insulator, louver, hard disk drive v Mic rubber v Stud, triangle v Audio connector bracket v Security chip spacer v Stud, system board v Screw cap (square, thin) 26R8405 N (continued) ThinkPad T43 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 214
Parts list FRU LCD miscellaneous parts (14.1-in. LCD models): v Tape, LCD FPC v Tape on Bluetooth wireless antenna v (a) LCD latch R v (b) LCD latch L assembly v (c) Cable bushing (lower) v (d) Cable * 92P1021 * 08K8209 * SANKEN OP 92P1025 * 08K8213 * 208 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 215
Parts list FRU Hard disk drive, 80 GB, 9.5 mm, 4200 rpm, IBM STD Ultrabay Slim hard disk drive adapter Ultrabay Slim Li Polymer battery (2nd bay battery), Sanyo (WW) ThinkPad Dock II Top cover and screw kit for ThinkPad Dock II PCI cover for ThinkPad Dock II ThinkPad Mini Dock AC adapter (2 pin - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 216
antenna RF connector PCI-Express/USB wrap card USB floppy disk drive for maintenance diskette ThinkPad Hardware Maintenance Diskette Version 1.73 or later Note: Download the file from the following Web site: http://www.lenovo.com/think/spm P/N 72X8546 35G4703 66G5180 05K2580 95F3598 00P7033 1650840 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 217
Parts list Power cords (system) An IBM power cord for a specific country or region is usually available only in that country or region: For 2-pin power , xxG P/N CRU ID 76H3514 * 76H3516 76H3530 76H3520 76H3524 76H3518 76H3522 76H3532 76H3535 02K0539 76H3528 ThinkPad T43 Series 211 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 218
Parts list Power cords (ThinkPad Dock II) A ThinkPad power cord for a specific country or region is usually available only in that country or region: For 3-pin 75H8989 75H8992 75H8990 75H8993 75H8999 75H8998 75H8996 76H3536 02K0540 75H8997 75H8994 CRU ID * 212 MT 1871/1872/1873/1874/1875/1876 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 219
Lenovo product specifications or warranties. Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of Lenovo or third parties. All information contained in this document was obtained in specific environments ThinkPad T43 Series - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 220
sites. The materials at those Web sites are not part of the materials for this Lenovo product, and use of those Web sites is at your own risk. Any performance results may vary. Users of this document should verify the applicable data for their specific environment. 214 MT 1871/1872/1873/1874/1875 - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 221
Dock ThinkPad Port Replicator ThinkPad Port Replicator II TrackPoint Ultrabay Ultrabay 2000 Ultrabay Plus UltraNav The following terms are trademarks of the International Business Machines Corporation in the United States, other countries, or both: IBM (used under license) OS/2 Microsoft, Windows - Lenovo ThinkPad T43 | Hardware Maintenance Manual (July 2005) - Page 222
Part Number: 39T6193 (1P) P/N: 39T6193
ThinkPad
Computer
Hardware
Maintenance
Manual
July 2005
This manual supports:
ThinkPad T43
ThinkPad
Dock II (MT 2877)
(MT 1871/1872/1873/1874/1875/1876)