Lenovo MT 1874 manual

ThinkPad Computer Hardware Maintenance Manual Jul y 2005 This manual supports: ThinkP ad T43 ThinkP ad Dock II (MT 2877) (MT 1871/1872/1873/1874/1875/1876)[...]

Note Before using this information and the product 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 ser[...]

Contents About this manual . . . . . . . . . . .1 Introduction . . . . . . . . . . . . .3 Important service information . . . . . . . . .3 Strategy for replacing FRUs . . . . . . . . .3 Strategy for replacing a hard disk drive . . . . .4 How to use error messages . . . . . . . .4 Strategy for replacing FRUs for CTO, CMV , and GA V 4 Product definit[...]

FRU replacement notices . . . . . . . . .6 7 Screw notices . . . . . . . . . . . .6 7 Retaining serial numbers . . . . . . . . .6 8 Removing and replacing a FRU . . . . . . . .7 1 1010 Battery pack (14.1-in. LCD models) . . . .7 2 1020 Battery pack (15.0-in. LCD models) . . . .7 4 1030 Ultrabay Slim device . . . . . . . .7 5 1040 Hard disk drive . [...]

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 . . . .[...]

vi MT 1871/1872/1873/1874/1875/1876[...]

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 sections as follows: v The common sections provide gen[...]

2 MT 1871/1872/1873/1874/1875/1876[...]

Introduction Important service information Important BIOS and device driver fixes are customer-installable. The BIOS and device drivers are posted on the customer support site http://www.lenovo.com/think/ support Advise customers to contact the Customer Support Center at 800-426-7378 if they need assistance in obtaining or installing any diskette f[...]

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 b[...]

v The HMM will have the 4-digit MT and 3-digit CTO model only (Example: 1829-CTO). Again, CMVs are custom models and are not found in the HMM. General Announce V ariant (GA V) This is a standard model (fixed configuration). GA Vs are announced and offered to all customers. The MTM portion of the machine label is a 4-digit MT and 3-digit model, wher[...]

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 PA R T S INFORMA TION, then PA R T S LOOKUP . T ype in the model type and serial nu[...]

Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry . RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Product[...]

Products marketed before June 2006 Products marketed after June 2006 Current or original part Replacement FRU Current or original part Replacement FRU Non-RoHS Can be Non-RoHS Must be RoHS Must be RoHS Non-RoHS Can be RoHS Non-RoHS Can sub to RoHS RoHS Must be RoHS Note: A direct substitution is a part with a different FRU part number that is autom[...]

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 . V erify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts. Avant de remettre l’ordinateur s[...]

Safety notice 2 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 c[...]

(continuation of safety notice 2) 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 915/82, successive disposizioni e disposizioni locali). Quando si sostituisce la batteria dell’RTC (real[...]

Safety notice 3 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 [...]

(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 batteria, utilizzare soltanto i tipi inseriti nell’appropriato Cat[...]

Safety notice 4 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 appr[...]

(continuation of safety notice 4) 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 [...]

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 à cristaux liquides se brise et que vous recevez dans les yeux ou s[...]

Safety notice 6 DANGER 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 Sicherheitsgründen die Kunststoffabdeckung, die den unteren T eil der Sp[...]

Safety notice 7 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. Bien que le voltage des batteries principales soit peu élevé, le court-circuit ou la mise à la masse d’une batterie peut produire suffisamment de courant pour brûler des matér[...]

Safety notice 8 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. A vant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise [...]

Safety information The 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 housekeeping in the area of the machines during and after maintenance. v When lifting any heavy object: 1. Make sure that you can [...]

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 to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels o[...]

– 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 [...]

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. Yo u should use good judgment to identify potential safet[...]

8. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with. Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD.) ESD damage can occur when there is a differenc[...]

– Use the round ground prong of the ac plug on ac-operated computers. Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. Safety information Introduction 25[...]

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 U.S. to conform to the requirements of the Department of Health and Human Se[...]

If a CD-ROM drive, a DVD-ROM drive, or another laser device is installed, note the following: CAUTION: Opening the CD-ROM drive, the DVD-ROM drive, or any other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. Do not open. Use of controls or adjustments or performance [...]

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 the following: 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. Radiação por raio laser[...]

General descriptions The desciptions in this chapter apply to any ThinkPad model that has the PC-Doctor ® for 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. Important notes v Only certified trained personnel should service t[...]

__ 2. Date of service __ 3. Date on which the machine failed __ 4. Date of purchase __ 5. Failure symptoms, error codes appearing on the display , 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’[...]

Related service information This section provides information about the following: v “Service Web site” v “Restoring the pre-installed system” v “Passwords” on page 32 v “Power management” on page 35 Service Web site When the latest maintenance diskette and the system program service diskette become available, they will be posted on[...]

5. If you get a message asking which operating system to install, select the proper operating system and press Enter . 6. A message is displayed: “ Full Recovery: ”. Press Enter to select. 7. On each of the next three windows, press the Y key . 8. Follow the prompts to complete the recovery . Passwords As many as three passwords may be needed f[...]

information stored in the BIOS Setup Utility . The user must enter the SVP in order to get access to the BIOS Setup Utility and change the system configuration. Attention: If the SVP has been forgotten and cannot be made available to the servicer , there is no service procedure to reset the password. The system board must be replaced for a schedule[...]

5. Select Password . 6. Select Power-On Password . 7. T ype the current SVP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice. 8. In the Changes have been saved window , press Enter . 9. Press F10; then, in the Setup confirmation window , select Ye s . How to remove the hard-disk password Atte[...]

10. Select Ye s 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. Screen blank mode Screen blank mode has three variants, as follows: 1. If you press Fn+F3, or if the time set o[...]

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-saving 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 wh[...]

To cause the computer to enter hibernation mode, do any of the following: v Press the Fn+F12 keys. v If you are using the APM operating system and have set the mode to Power switch mode [Hibernation] , turn off the power switch. v If you are using the ACPI operating system and have defined one of the following actions as the event that causes the s[...]

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 ThinkPad products. The use of non-ThinkPad products, prototype cards, or modified options can lead to false indications of errors and invalid system responses. 1. Identify th[...]

3. Authenticating the digital signature takes about 15 seconds; then the ThinkPad computer will reboot into PC-DOS. 4. A batch file automatically starts up to prompt you through the process of creating diskettes. Yo u are notified of how many diskettes you will need. a. Yo u are prompted to insert each diskette in sequence. b. T ypically , all you [...]

The options on the test menu are as follows: Diagnostics Interactive T ests v Run Normal T est v Run Quick T est 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 T est – Full v Memory T est – Quick v Keyboard[...]

To cancel the test, press Esc. Note: After running PC-Doctor , check the time and date on the system and reset them if they are incorrect. Detecting system information with PC-Doctor PC-Doctor can detect the following system information: Hardware Info v System Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Inform[...]

Power system checkout To verify a symptom, do the following: 1. T urn off the computer . 2. Remove the battery pack. 3. Connect the ac adapter . 4. Check that power is supplied when you turn on the computer . 5. T urn off the computer . 6. Disconnect the ac adapter and install the charged battery pack. 7. Check that the battery pack supplies power [...]

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 [...]

Note: Recharging will take at least 3 hours, even if the indicator does not turn on. If the voltage is still less than +1 1.0 V dc after recharging, replace the battery . 4. If the voltage is more than +1 1.0 V dc, measure the resistance between battery terminals 4 and 5. The resistance must be 4 to 30 K  . If the resistance is not correct, repl[...]

ThinkPad T43 Series Product overview . . . . . . . . . . . .4 7 Specifications . . . . . . . . . . . .4 7 Status indicators . . . . . . . . . . .5 0 FRU tests . . . . . . . . . . . . .5 3 Fn key combinations . . . . . . . . . .5 5 Symptom-to-FRU index . . . . . . . . . .5 8 Numeric error codes . . . . . . . . . .5 8 Error messages . . . . . . . . .[...]

1240 VGA and Ultrabay Slim device eject button cable . . . . . . . . . . . . . 130 1250 System board and base cover (14.1-in. LCD models) . . . . . . . . . . . . 132 1260 System board, interposer card, and base cover (15.0-in. LCD models) . . . . . . 140 2010 LCD front bezel (14.1-in. LCD models) 148 2020 LCD front bezel (15.0-in. LCD models) 150 2[...]

Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators” on page 50 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 Description Processor v Intel ® Pentium ® M[...]

Feature Description Optional memory v 256-MB DDR2-533 SDRAM SO-DIMM (PC2-4200) card × 1 v 512-MB DDR2-533 SDRAM SO-DIMM (PC2-4200) card × 1 v 1-GB DDR2-533 SDRAM SO-DIMM (PC2-4200) card × 1 (maximum of 2048 MB) CMOS RAM v 242 bytes Hard disk drive v 30.0 GB, 4200 rpm, 9.5 mm high, IDE interface v 40.0 GB, 4200 rpm, 9.5 mm high, IDE interface v 4[...]

Feature Description Mini PCI adapter v Intel PRO Wireless 2200BG Mini-PCI Adapter v Intel PRO Wireless 2915ABG Mini-PCI Adapter PC Card /ExpressCard slots v ExpressCard (34 module, 54 module) for upper slot v PC Card (T ype-II) for lower slot Communication daughter card (CDC) v ThinkPad Integrated 56K Modem (MDC-2) v ThinkPad Integrated Bluetooth I[...]

Status indicators The system status indicators show the status of the computer , as follows: 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 1 2 8 3 Product overview 50 MT 1871/1872/1873/1874/1875/1876[...]

Indicator Meaning 1 Ultrabay Slim status Green: An Ultrabay Slim device is installed and in use. Blinking green: An Ultrabay Slim device is in the process of being detached. T urn off: An Ultrabay Slim device is ready to be attached or detached. Note: If you are using Windows 2000, the Ultrabay Slim status indicator does not blink while an Ul[...]

Indicator Meaning 5 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 Slim device. When this indicator is on, do not put the computer into standby mode or turn off the computer . Note: Do not move the system while the green drive-in-use light is on. Sudden physical [...]

FRU tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard 3. If the docking station or the port replicator is attached to the ThinkPad computer , undock it. Place the computer on a horizontal surface, and run Diagnostics --> ThinkPad Devices[...]

FRU Applicable test Memory 1. If two DIMMs are installed, remove one of them and run Diagnostics --> Memory T est—Quick . 2. If the problem does not recur , return the DIMM to its place, remove the other one, and run the test again. 3. If the test does not detect the error , run Diagnostics --> Memory T est—Full . Fan 1. T urn on the comp[...]

Fn key combinations The following table shows the function of each combination of Fn with a function key . Key combination Description Fn+F1 Reserved. Fn+F2 Reserved. Fn+F3 T urn off the computer display , leaving the screen blank. To turn the computer display on again, press any key or press the T rackPoint pointing stick. Fn+F4 Put the computer i[...]

Key combination Description Fn+F7 Switch a display output location v External monitor (CRT display) v Computer display and external monitor (LCD + CRT display) v Computer display (LCD) Note: For any operating system other than Windows 2000 or Windows XP , no additional procedure is needed; just press Fn+F7. Notes: 1. This function does not work whe[...]

Key combination Description Fn+F9 Open the ThinkPad EasyEject Utility screen. Buttons for the following choices are displayed: v Eject ThinkPad PC from Dock : This button is displayed only if the ThinkPad computer has been attached to a ThinkPad Dock II. The computer can be detached from the ThinkPad Dock II. v Eject ThinkPad PC from Mini Dock : Th[...]

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 [...]

Symptom or error FRU or action, in sequence 0185 Bad startup sequence settings. Enter BIOS Setup and load Setup defaults. 1. Run BIOS Setup Utility . Press F9, and Enter to load the default setting. Then save the current setting by pressing F10. 0187 EAIA data access error—The access to EEPROM is failed. System board. 0188 Invalid RFID Serializat[...]

Symptom or error FRU or action, in sequence 0220 Monitor type error—Monitor type does not match the one specified in CMOS. Load Setup Defaults in 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. 0232 Extended RAM error— [...]

Symptom or error FRU or action, in sequence 1803 Unauthorized daughter card is plugged in—T urn off and remove the daughter card. 1. Remove the daughter card that you installed. 2. System board. 1810 Hard disk partition layout error . 1. If the Access IBM Predesktop Area has been previously disabled, then go to the BIOS Setup Utility by pressing [...]

Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load “Setup Defaults” in the BIOS Setup Utility . 2. Backup battery . 3. System board. Allocation error for device. 1. Load “Setup Defaults” in the BIOS Setup Utility . 2. Backup battery . 3. System board. Failing bits: nnnn. 1. DIMM . 2. System board. In[...]

Symptom or error FRU or action, in sequence Cannot boot from any device. Check the status of device which you want to boot from. Device not found. 1. The device you want to boot from. 2. System board. Device Error . 1. The device you want to boot from. 2. System board. No valid operating system. 1. Check that the operating system has no failure and[...]

Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD connector . 2. LCD assembly . 3. External CRT . 4. System board. One long and two short beeps, and a blank or unreadable LCD. 1. System board . 2. LCD assembly . 3. DIMM. Tw o short beeps with error codes. POST error . See [...]

LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFT s). 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 if the number of missin[...]

Intermittent problems Intermittent system hang problems can be due to a variety of causes that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a problem recurs. When analyzing an intermittent problem, do the following: 1. Run the diagnos[...]

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 the ThinkPad computer , this problem is addressed with special nylon-coated screws that have the following characteristics: v They maintai[...]

v Make sure that you use the correct screw . If you have a torque screwdriver , tighten all screws firmly to the torque shown in the table. Never use a screw that you removed. Use a new one. Make sure that all of the screws are tightened firmly . Retaining serial numbers This section includes the following descriptions: v “Restoring the serial nu[...]

Retaining the UUID The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at production and stored in the EEPROM of your system board. The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No two computers in the world have the same number . When you replace the [...]

3. To write ECA information, select 1. Write ECA/rework number from EEPROM , and follow the instruction. 4. To write box build date, select 4. Write box build date from EEPROM , and follow the instruction on the screen. If the system board is being replaced, try to read the ECA information from the old system board and transfer the information to t[...]

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 replacem[...]

1010 Battery pack (14.1-in. LCD models) DANGER 1 (continued) Use only the battery specified in the parts list for your computer . Any other battery could ignite or explode. Removing and replacing a FRU 72 MT 1871/1872/1873/1874/1875/1876[...]

Holding the battery release lever in 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. a b Removing and repl[...]

1020 Battery pack (15.0-in. LCD models) DANGER Holding the battery release lever in the unlocked position 1 , remove the battery pack 2 . 2 1 Use only the battery specified in the parts list for your computer . Any other battery could ignite or explode. Removing and replacing a FRU 74 MT 1871/1872/1873/1874/1875/1876[...]

1030 Ultrabay Slim device Note Ultrabay Slim does not accept any of the following devices: v Ultrabay Plus devices v Ultrabay 2000 devices For devices compatible with the Ultrabay Slim bay , see “Optional FRUs” on page 209. Note: When you release the switch in step 1 , the lever pops out. In step 2 , pull the lever a little to relea[...]

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 copy of all the information on it if possible. v Never remove the drive while [...]

2 3 3 4 When installing: Make sure that the hard-disk connector is attached firmly . Removing and replacing a FRU ThinkPad T43 Series 77[...]

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) Removing and replacing a FRU 78 MT 1871/1872/1873/1874/1875/1876[...]

4 3 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 . Removing and replacing a FRU ThinkPad T43 Series 79[...]

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 Note: Screw 1a is only for the models with 14.1-in. LCD. Other models do not have this screw . Step Icon Screw (quantity) Color T orque 1 3 M2 × 10 mm, flat-head, nylon-[...]

Press 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 . 3 4 Removing and replacing a FRU ThinkPad T43 Series 81[...]

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) Removing and replacing a FRU 82 MT 1871/1872/1873/1874/1875/1876[...]

3. To make sure that the front side of the keyboard is housed firmly , gently press the keys with your 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 s[...]

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 1 2 When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly , and pivot it until it snaps into the pl[...]

1080 Modem daughter card (MDC-2) 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 2 1 1 Step Screw (quantity) Color T orque 1 M2 × 10 mm, flat-head, nylon-coated (2) Black 0.245 Nm (2.5 kgfcm) In step [...]

T urn 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. Removing and replacing a FRU 86 MT 1871/1872/1873/1874/1875/1876[...]

1090 Bluetooth /Modem daughter card (BMDC-3) 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 2 1 1 Step Screw (quantity) Color T orque 1 M2 × 10 mm, flat-head, nylon-coated (2) Black 0.245 Nm (2.5 kgf[...]

T urn the card over 3 , and detach the modem connector 4 . Then, unplug the jack by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connector with your fingers and gently unplug it in direction of the arrow 5 . 3 4 5 When installing: Make sure that connector 4 , the jack 5 , and the connector on [...]

1 100 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 reader , the sensor has been attached to the palm rest FRU as the [...]

3a 3 1 1 1 1 2 Step Icon Screw cap Screw (quantity) Color T orque 1 1 M2 × 4 mm, small-head, nylon-coated (4) Black 0.245 Nm (2.5 kgfcm) 2 2 M2 × 5 mm, bind-head, nylon-coated (1) Silver 0.245 Nm (2.5 kgfcm) 3 4 — M2 × 14 mm, bind-head, nylon-coated (2) Black 0.204 Nm (2.0 kgfcm) 3a 4 — Special screw (1) Black 0.204 N[...]

For a model with a touch pad, detach the touch pad connector by pulling the tab with your fingers in the direction of arrow 4 . Then remove the palm rest in the direction of arrow 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. Removing and [...]

111 0 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 fingerprint reader , the sensor has been attached to the keyboard bez[...]

2 2 2 2 2 Step Icon Screw (quantity) Color T orque 2 2 M2 × 14 mm, bind-head, nylon-coated (6) Black 0.245 Nm (2.5 kgfcm) 3 4 Removing and replacing a FRU ThinkPad T43 Series 93[...]

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) Removing and replacing a FRU 94 MT 1871/1872/1873/1874/1875/1876[...]

2. Press the left edges 2 and the front edges 3 of the keyboard bezel until the latches are snapped. 3 3 2 2 3. Attach the touch pad connector 4 . 4 (continued) Removing and replacing a FRU ThinkPad T43 Series 95[...]

4. Secure the keyboard bezel from the underside of the computer with the screws b and c . b 1 b c c c 2 c 5. Attach the keyboard. (continued) Removing and replacing a FRU 96 MT 1871/1872/1873/1874/1875/1876[...]

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 Removing and replacing a FRU ThinkPad T43 Series 97[...]

1 120 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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page 89 v [...]

3 3 4 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 the socket, and then press the card firmly . Pivot the card until it snaps into place. Make sure that it is firmly fixed in the slot and does not move easily . Removing and replacing a FRU ThinkPad T43 Series 99[...]

1 130 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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page 89 v “ [...]

Important In step 2 , insert the tip of the tool horizontally between the fan assembly and the CPU, as indicated by arrow a . Then slightly push the tool into the gap until the fan assembly comes off. Do not move the tool upward or downward to remove the fan assembly between the gap. To do so, the CPU or the other electrical component m[...]

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. 2b 2a (continued) Removing and replacing a FRU 102 MT 1[...]

4 3 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 Removing and replacing a FRU ThinkPad T43 Series 103[...]

1 140 Backup battery DANGER 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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page [...]

2 When installing: Make sure that the battery connector 2 is firmly attached. Removing and replacing a FRU ThinkPad T43 Series 105[...]

1 150 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” on page 80 v “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page 89 v [...]

In step 3 , release the speaker cables from the cable guide. 4 2 3 When installing: Make sure that the connector 4 is firmly attached. Then route the cable as in 3 . Removing and replacing a FRU ThinkPad T43 Series 107[...]

1 160 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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page 89 1 1 Step Screw (quantity) Color T orque ?[...]

3 2 3 a a b a Step Screw (quantity) Color T orque 2 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) In step 3 , make sure that all the latches marked a are detached, and then remove the bezel. When installing: Make sure that all the latches marked a are firmly attached. Attach harness left ( b ), and[...]

1 170 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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page 89 v “1 150 Speaker assembly”[...]

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. Removing and replacing a FRU ThinkPad T43 Series 111[...]

1 180 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 “ 111 0 Keyboard bezel or Keyboard bezel with fingerprint reader (15.0-in. LCD models)” on page 92 v “1 150 Speaker [...]

2 3 Step Screw (quantity) Color T orque 2 M2 × 4 mm, bind-head, nylon-coated (1) Black 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. Removing and replacing a FRU ThinkPad T43 Series 11 3[...]

1 190 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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD m[...]

3 4 2 Step Screw (quantity) Color T orque 2 M2 × 14 mm, bind-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) After removing the screw , remove bracket 3 . Then detach the LCD connector 4 . When installing: Make sure that the bracket 3 and the connector 4 are firmly attached, and then secure them with the screw . (co[...]

5 Step Screw (quantity) Color T orque 5 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) (continued) Removing and replacing a FRU 11 6 MT 1871/1872/1873/1874/1875/1876[...]

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) Removing and replacing a FRU ThinkPad T43 Series 11 7[...]

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 . Removing and replacing a FRU 11 8 MT 1871/1872/1873/1874/1875/1876[...]

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 “ 111 0 Keyboard bezel or Keyboard bezel with fingerprint reader (15.0[...]

2 3 Step Screw (quantity) Color T orque 2 M2 × 12 mm, flat-head, nylon-coated (1) Black 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) Removing and replacing a FRU 120 MT 1871/1872/1873/1874/1875/1876[...]

4 4 Step Screw (quantity) Color T orque 4 M2 × 10 mm, flat-head, nylon-coated (3) Black 0.245 Nm (2.5 kgfcm) (continued) Removing and replacing a FRU ThinkPad T43 Series 121[...]

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) Removing and replacing a FRU 122 MT 1871/1872/1873/1874/1875/1876[...]

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 . Removing and replacing a FRU ThinkPad T43 Series 123[...]

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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page 89 v “ 111 0 Keyboard bezel or Keyboard bezel with fingerprint reader (15.0-[...]

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” on page 80 v “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD models)” on page 89 v “1 150 Speaker asse[...]

4 5 4 3 3 Step Screw (quantity) Color T orque 3 M2 × 10 mm, flat-head, nylon-coated (3) Black 0.245 Nm (2.5 kgfcm) 4 M2 × 3 mm, small-head, nylon-coated (3) Silver 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 asse[...]

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 “ 111 0 Keyboard bezel or Keyboard bezel with fingerprint reader (15.0-in. LCD models)” on page 92 v “1 150 S[...]

5 4 3 3 3 Step Screw (quantity) Color T orque 3 M2 × 10 mm, flat-head, nylon-coated (5) Black 0.245 Nm (2.5 kgfcm) 4 M2 × 3 mm, small-head, nylon-coated (2) Black 0.245 Nm (2.5 kgfcm) In step 5 , remove the Ultrabay Slim guide rail assembly and the hard disk drive guide rail together . (continued) Removing and replacing a FRU 12[...]

Separate the Ultrabay Slim guide rail assembly a and the hard disk drive guide rail b . 6 6 a b Removing and replacing a FRU ThinkPad T43 Series 129[...]

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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in[...]

5 4 6 Step Screw (quantity) Color T orque 4 M2 × 4 mm, bind-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) When installing: Make sure that the connector 1 is firmly attached. Removing and replacing a FRU ThinkPad T43 Series 131[...]

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” on page 80 v “1070 DIMM (standard)” on page [...]

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 Removing and replacing a FRU ThinkPad T43 Series 133[...]

Important When handling the system board, bear the following in mind. v The system board has an accelerometer , which can be broken by applying several thousands of G-forces. Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6,000 G’s of shock. v [...]

Before removing the system board, remove the support structure ( a ) and the cable guide ( b ). 2 2 1 3 b a When installing: Make sure that the connectors 2 are firmly attached to the system board. Removing and replacing a FRU ThinkPad T43 Series 135[...]

5 4 Step Screw (quantity) Color T orque 4 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) 5 M2.5 × 4 mm, bind-head, nylon-coated (1) Black 0.392 Nm (4 kgfcm) (continued) Removing and replacing a FRU 136 MT 1871/1872/1873/1874/1875/1876[...]

6 7 c d 8 Step Screw (quantity) Color T orque 6 M2 × 3 mm, small-head, nylon-coated (1) Silver 0.245 Nm (2.5 kgfcm) 7 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) In step 8 , remove the I/O plate bracket ( c ) and the system board ( d ) together . (continued) Removing and replacing a FRU ThinkPa[...]

10 9 11 Step Screw (quantity) Color T orque 9 Hex stud (2) Silver 0.392 Nm (4 kgfcm) 10 M2.5 × 3 mm, bind-head, nylon-coated (1) Gold 0.392 Nm (4 kgfcm) When installing: Attach the system board so that the two small projections on the base cover fit into the holes provided, and then secure the system board with the screw . Removing and[...]

Note for sticking a 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 on the old base cover (defective FRU) on the new base cover . In some models, you also need to stick one or two FCC[...]

1260 System board, interposer card, and base 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 “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 (sta[...]

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 Removing and replacing a FRU ThinkPad T43 Series 141[...]

Important When handling the system board, bear the following in mind. v The system board has an accelerometer , which can be broken by applying several thousands of G-forces. Note: Dropping a system board from a height of as little as 6 inches so that it falls flat on a hard bench can subject the accelerometer to as much as 6,000 G’s of shock. v [...]

Remove the support structure a and the EMI bracket b . 3 2 b 1 a Step Screw (quantity) Color T orque 2 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) (continued) Removing and replacing a FRU ThinkPad T43 Series 143[...]

5 4 7 c 6 6 Step Screw (quantity) Color T orque 4 M2 × 10 mm, flat-head, nylon-coated (1) Black 0.245 Nm (2.5 kgfcm) 5 M2.5 × 4.8 mm, bind-head, nylon-coated (1) Black 0.392 Nm (4 kgfcm) Remove two connectors 6 and then remove the cable guide c in the direction of arrow 7 . When installing: Make sure that the connect[...]

8 d e 9 8 Step Screw (quantity) Color T orque 8 M2 × 4 mm, bind-head, nylon-coated (3) Black 0.245 Nm (2.5 kgfcm) In step 9 , remove the I/O plate bracket ( d ) and the system board ( e ) together . When installing: Attach the system board so that the two small projections on the base cover fit into the holes provided, and [...]

10 f g 12 13 11 Step Screw (quantity) Color T orque 10 Hex stud (2) Silver 0.392 Nm (4 kgfcm) 11 M2.5 × 3 mm, flat-head, nylon-coated (1) Gold 0.392 Nm (4 kgfcm) Remove the system board g from the I/O plate bracket f in the direction of arrow 12 . Then remove the interposer card 13 . When installing: Make sure t[...]

Note for sticking a 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 on the old base cover (defective FRU) on the new base cover . In some models, you also need to stick one or two FCC[...]

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” on page 80 v “1090 Bluetooth /Modem daughter card (BMDC-3)” on page 87 v “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD[...]

5 4 Removing and replacing a FRU ThinkPad T43 Series 149[...]

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 “ 111 0 Keyboard bezel or Keyboard bezel with fingerprint reader (1[...]

3 2 Removing and replacing a FRU ThinkPad T43 Series 151[...]

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 “1 100 Palm rest or Palm rest with fingerprint reader (14.1-in. LCD m[...]

Cable routing: When replacing the inverter card, route the connector cable as in this figure: Removing and replacing a FRU ThinkPad T43 Series 153[...]

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 “ 111 0 Keyboard bezel or Keyboard bezel with fingerprint reader (15.[...]

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 “1090 Bluetooth /Modem daughter card (BMDC-3)” on page 87 v ?[...]

Peel the tape securing the Bluetooth wireless antenna assembly 3 . 3 5 4 4 Step Screw (quantity) Color T orque 4 M2 × 2.7 mm, small-head, nylon-coated (2) Y ellow 0.245 Nm (2.5 kgfcm) (continued) Removing and replacing a FRU 156 MT 1871/1872/1873/1874/1875/1876[...]

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 . 7 8 (continued) Removing and replacing a FRU ThinkPad T43 Series 157[...]

9 Step Screw (quantity) Color T orque 9 M2 × 3 mm, small-head, nylon-coated (1) Silver 0.245 Nm (2.5 kgfcm) (continued) Removing and replacing a FRU 158 MT 1871/1872/1873/1874/1875/1876[...]

Slide the spiral tube binding the antenna cables ( 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 . 11 14 13 12 10b 10a (continu[...]

Remove the antenna assembly a and hinges b from the LCD assembly . 15 a 16 b 16 17 17 b 16 16 Step Screw (quantity) Color T orque 16 M2 × 3 mm, small-head, nylon-coated (4) Silver 0.245 Nm (2.5 kgfcm) Remove two screws c , and detach the wireless AUX antenna cable ( c ) from the right hinge. 18 18 19 20 c Step Screw ([...]

T urn 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 . 22 c 21 (continued) Removing and replacing a FRU ThinkPad T43 Series 161[...]

Remove the right latch from the LCD cover . 23 24 Removing and replacing a FRU 162 MT 1871/1872/1873/1874/1875/1876[...]

When installing: Follow these steps when you reassemble the LCD unit. 1. Attach the left latch to the LCD cover . 2 1 (continued) Removing and replacing a FRU ThinkPad T43 Series 163[...]

2. Paste three gaskets only for the models with Bluetooth wireless features. For the other models, skip this step. 41.5 mm 68.5 mm 95.5 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, AUX) and the hinges to the LCD panel. 5. Attach the LCD panel to the LCD cover . ([...]

6. Route the wireless LAN antenna cables as in the following drawings: a. 3 3 2 1 (continued) Removing and replacing a FRU ThinkPad T43 Series 165[...]

b. 4 4 c. 5 5 (continued) Removing and replacing a FRU 166 MT 1871/1872/1873/1874/1875/1876[...]

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) Removing and replacing a FRU ThinkPad T43 Series 167[...]

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 Removing and replacing a FRU 168 MT 1871/1872/1873/1874/1875/1876[...]

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” on page 80 v “1090 Bluetooth /Modem daughter card (BMDC-3)” on page 87 v ?[...]

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 a 2 2 2 (continued) Removing and replacing a FRU 170 MT 1871/1872/1873/1874/1875/1876[...]

3 4 5 6 6 6 b 6 7 7 b Step Screw (quantity) Color T orque 6 M2 × 3 mm, bind-head, nylon-coated (4) Silver 0.245 Nm (2.5 kgfcm) (continued) Removing and replacing a FRU ThinkPad T43 Series 171[...]

T urn 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) Removing and replacing a FRU 172 MT 1871/1872/1873/1874/1875/1876[...]

9 11 10b 12 9 d 10a Note: Step 9 is only for the models with the Bluetooth wireless features. For the other models, skip this step. Step Screw (quantity) Color T orque 9 M2 × 4 mm, bind-head, nylon-coated (2) Black 0.245 Nm (2.5 kgfcm) Remove the hinges 10a , 10b and the wireless LAN antenna cables 11 , 12 (cont[...]

Cable routing: When you reassemble the LCD unit, do as follows: At the left-top corner of the LCD unit, route the antenna cable as in a . Do not route the cable over the bracket. To do so, the cable might be pinched between the LCD front bezel and the LCD cover , and the cable or the other parts might be damaged or might not be installed prop[...]

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 Removing and replacing a FRU ThinkPad T43 Series 175[...]

3010 ThinkPad Dock II PCI cover 1 2 1 (Bottom view) Removing and replacing a FRU 176 MT 1871/1872/1873/1874/1875/1876[...]

3020 ThinkPad Dock II top cover 1 1 1 (Rear view) Step Screw (quantity) T orque 1 M2.5 × 4.8 mm (3) 0.392 Nm (4 kgfcm) 2 2 2 2 Step Screw (quantity) T orque 2 M2.5 × 4.8 mm (4) 0.392 Nm (4 kgfcm) (continued) Removing and replacing a FRU ThinkPad T43 Series 177[...]

3 3 (Bottom view) Step Screw (quantity) T orque 3 M2.5 × 4.8 mm (6) 0.392 Nm (4 kgfcm) (continued) Removing and replacing a FRU 178 MT 1871/1872/1873/1874/1875/1876[...]

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. 4 5 A 6 Removing and replacing a FRU ThinkPad T43 Series 179[...]

Locations Front view 1 Wireless status indicator 2 Bluetooth wireless status indicator (for some models) 3 System status indicators 4 Power status indicators 5 External monitor connector 6 Ultrabay Slim status indicator 7 Ultrabay Slim latch 8 Ultrabay Slim device eject lever 9 Ultrabay Slim [...]

1 2 3 4 5 6 7 8 9 16 10 12 13 14 15 19 17 18 11 Locations ThinkPad T43 Series 181[...]

Rear view 1 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-1 1 (modem) connector 9 TV -out connector 10 Universal ser[...]

Bottom view 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 4 7 9 1 2 5 6 8 Locations ThinkPad T43 Series 183[...]

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 the CRU ID column. An N in the CRU ID column means the part is not a CRU. A single asterisk (*) means the part is a T ier 1 CRU; two asterisks [...]

Overall 1 2a 2b 3 4 5 6 7 11 10 12 13 16 14 15 18 a 20 21 22 17 9 23 19 b f c d e 8 Parts list ThinkPad T43 Series 185[...]

No. FRU P/N CRU ID a-f See “Miscellaneous parts” on page 205. 1 LCD unit (see “14.1-in. LCD FRUs” on page 194 and “15.0-in. LCD FRUs” on page 196.) N 2a Keyboard bezel assembly (14.1-in.) v 1871-CTO, 1 1x, 12x, 14x, 18x, 19x, 48x, 4Ax, 4Cx, C1x v 1872-CTO, 12x, 4Ax, C1x v 1873-4Ax v 1874-4Ax v 1875-CTO, D1x, D2x, E1x 91P9540 N 2b Keyboa[...]

No. FRU P/N CRU ID 4 DVD drive 8x OP v 1871-CTO, 1 1x, 18x, 48x v 1875-CTO, D1x, D3x HLDS 92P6579 * TEAC 92P5991 * DVD/CD-RW combo drive OP v 1871-CTO, 12x, 13x, 15x, 16x, 19x, 1Gx, 22x, 23x, 24x, 25x, 27x, 4Ax, 4Bx, 4Cx, 86x, C1x, F1x, F4x v 1872-CTO, 12x, 4Ax, C1x v 1873-4Ax v 1874-4Ax v 1875-CTO, D2x, D6x, D9x, DAx, DCx, DKx, DLx, DM[...]

No. FRU P/N CRU ID 5 Hard disk drive, 60 GB, 9.5 mm, 5,400 rpm v 1871-CTO, 19x v 1875-CTO, DLx, 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.) v [...]

No. FRU P/N CRU ID 8 ThinkPad Integrated 56K Modem (MDC-2) v 1871-CTO, 1 1x, 12x, 13x, 15x, 16x, 17x, 18x, 19x, 1Gx, 1Hx, 22x, 23x, 24x, 26x, 27x, 48x, 4Ax, 86x, C1x v 1872-CTO, 12x, 4Ax, C1x v 1873-4Ax v 1874-4Ax v 1875-CTO, D1x, D2x, D3x, D6x, D9x, DAx, DCx, DKx, DLx, DMx, E1x, E5x, EAx, EBx, ECx, EDx v 1876-CTO, DBx, EEx, EFx 93P4212 ** IBM Inte[...]

No. FRU P/N CRU ID 10 Battery pack, Li-ion (6 cell) 4.8 Ah OP v 1871-CTO, 1xx, 2xx, 4xx, 8xx, Cxx, Fxx v 1872-CTO, 1xx, Cxx v 1873-4Ax v 1874-4Ax v 1875-CTO, Dxx, Fxx v 1876-CTO, Dxx Sanyo 92P1087 * Sony 92P1089 * Panasonic 92P1091 * Battery pack, Li-ion (9 cell) 7.2 Ah OP v Supported by CTO Sanyo 92P1077 * Sony 92P1073 * Panasonic 92P1[...]

No. FRU P/N CRU ID 12 Cover , DIMM slot 13N5667 * 13 Speaker (14.1-in.) v 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 39T0797 N Speaker (15.0-in.) 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 39T0800[...]

No. FRU P/N CRU ID 14 Intel PRO Wireless 2915ABG Mini-PCI Adapter US v 1871-CTO, 48U, 4BU, 4CU, 86U, C1U v 1872-CTO, C1U v 1875-CTO, D2U, D6U, D9U, DAU, DCU v 1876-CTO, DBU 93P4235 ** (*1) EU v 1871-CTO, 25x, FxG v 1875-CTO, FxG 93P4237 ** (*1) HB v 1871-CTO, 25x, FxG v 1875-CTO, FxG 93P4241 ** (*1) JP v 1871-CTO, xxE, xxJ v 1875-CTO, xxE, xxJ 93P4[...]

No. FRU P/N CRU ID 17 CPU assembly , Intel Pentium M processor 750 (1.86 GHz) v 1871-CTO, 25x, 26x, 4xx, 8xx, C1x, Fxx v 1872-CTO, C1x v 1873-4Ax v 1874-4Ax v 1875-CTO, ECx, EDx, Fxx v 1876-CTO, EEx, EFx 39T0047 N CPU assembly , Intel Pentium M processor 760 (2.0 GHz) v Supported by CTO 39T0048 N CPU assembly , Intel Pentium M processor 770 (2.13 G[...]

14.1-in. LCD FRUs 1 b a 2 c d e 3 6 7 8 5 4 Parts list 194 MT 1871/1872/1873/1874/1875/1876[...]

14.1-in. XGA TFT No. FRU P/N CRU ID a-d See “Miscellaneous parts” on page 205. 1 LCD cover kit (WW) v 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 13R2569 N 2 Hinges, 14.1-in. v 1871-CTO, 1xx, 4xx, C1x, F1x v 1872-CTO, 1xx, 4xx, C1x v 1873-4Ax v 1874-4Ax v 1875-C[...]

15.0-in. LCD FRUs 1 2 5 3 6 7 8 4 Parts list 196 MT 1871/1872/1873/1874/1875/1876[...]

15.0-in. XGA TFT No. FRU P/N CRU ID 1 LCD cover kit, 15.0-in. (WW) v 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 13R2917 N 2 Hinges, 15.0-in. v 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, DB[...]

15.0-in. SXGA+ IPS TFT Note: Only supported by CTO. No. FRU P/N CRU ID 1 LCD cover kit, 15.0-in. (WW) 13R2917 N 2 Hinges, 15.0-in. 13R2918 N 3 LCD cable assembly , 15.0-in. SXGA+ 91P6892 N 4 Bluetooth wireless antenna, 15.0-in. 91P6860 N 5 Antenna, 15.0-in. 91P6859 N 6 Inverter card, 15.0-in. IPS 27K9976 N 7 LCD panel, 15.0 SXGA+ ID TECH 92P6680 N [...]

Keyboard Keyboards for 15.0-in. LCD models Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Arabic 39T0664 39T0725 39T0786 ** 93P4801 93P4861 13N9914 Belgian 39T0659 39T0720 39T0781 93P4796 93P4856 13N9909 Chinese, T raditional 39T0661 39T0722 39T0783 93P4798 93P4858 13N991 1 Czech 39T0665 39T0726 39T0787 93P4802 93P4862 13N9915 Danish 39T0652 39[...]

Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Japanese 39T0644 39T0705 39T0766 ** 93P4781 93P4841 13N9894 Korean 39T0658 39T0719 39T0780 93P4795 93P4855 13N9908 Norwegian 39T0651 39T0712 39T0773 93P4788 93P4848 13N9901 Polish 39T0669 39T0730 39T0791 93P4806 93P4866 13N9919 Portuguese 39T0656 39T0717 39T0778 93P4793 93P4853 13N9906 Russian 39T0[...]

Keyboards for 14.1-in. LCD models Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Arabic 39T0540 13N9978 39T0602 ** 08K5065 — 13N9852 Belgian 39T0535 13N9973 39T0597 08K5060 — 13N9847 Chinese, T raditional 39T0537 13N9975 39T0599 08K5062 — 13N9849 Czech 39T0541 13N9979 39T0603 08K5066 — 13N9853 Danish 39T0528 13N9966 39T0590 08K5053 — [...]

Language P/N (NMB) P/N (ALPS) P/N (Chicony) CRU ID Korean 39T0534 13N9972 39T0596 ** 08K5059 — 13N9846 Norwegian 39T0527 13N9965 39T0589 08K5052 — 13N9839 Polish 39T0545 13N9983 39T0607 08K5070 — 13N9857 Portuguese 39T0532 13N9970 39T0594 08K5057 — 13N9844 Russian 39T0538 13N9976 39T0600 08K5063 — 13N9850 Slovak 39T0544 13N9982 39T0606 08[...]

Recovery CDs 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 1873-4Ax v 1874-4Ax v 1875-Dxx, Fxx Language P/N CRU ID Arabic 39K781 1 * Chinese, Simplified 39K7803 Chinese, T raditional 39K7804 Chinese, T raditional [...]

Windows XP Home Edition Windows XP Home Edition is preinstalled as the operating system in the following models: v 1871-13x Language P/N CRU ID Arabic 39K801 1 * Chinese, Simplified 39K8003 Chinese, T raditional 39K8004 Chinese, T raditional (Hong Kong S.A.R.) 39K8005 Czech 39K8010 Danish 39K7999 Dutch 39K8002 English, U.K. 39K7992 English, U.S. 39[...]

Miscellaneous parts FRU P/N CRU ID Screw kit (including nylon-coated screws): v M2 × 2.7 mm (silver), small head (10) v M2 × 3 mm (silver), small head (20) v M2 × 3 mm (from outside), pan head (10) v M2 × 4 mm (black), bind head (30) v M2 × 4 mm (black), small head (10) v M2 × 5 mm (gold), bind head (2) v M2 × 5 mm (black), flat head (20) v [...]

FRU P/N CRU ID Base miscellaneous parts (15.0-in. LCD models): v Cover , PC Card slot v Spring, PC Card slot cover v Rubber foot (rear) v Rubber foot (front) v Battery lock knob L v Battery lock latch L v Battery lock knob R v Link, battery lock v Spring, battery lock v Slide lever v Slide lever spring v Pull lever v Pull lever spring v Puller v Ru[...]

FRU P/N CRU ID System miscellaneous parts (15.0-in. LCD models): v Cable, RJ1 1-docking connector on system board v DC in cable v ( c ) Hard disk drive guide rail v Sheet 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 v Connector[...]

FRU P/N CRU ID LCD miscellaneous parts (14.1-in. LCD models): v T ape, LCD FPC v T ape on Bluetooth wireless antenna v ( a ) LCD latch R v ( b ) LCD latch L assembly v ( c ) Cable bushing (lower) v ( d ) Cable bushing (upper) v LED lens v Cable clip v Spiral tube v Screw caps (square, thin) v Screw caps (oval, not painted) v Screw caps (not painted[...]

Optional FRUs FRU P/N CRU ID Hard disk drive, 80 GB, 9.5 mm, 4200 rpm, IBM STD 08K9863 * Ultrabay Slim hard disk drive adapter 62P4553 * Ultrabay Slim Li Polymer battery (2nd bay battery), Sanyo (WW) 08K8191 * ThinkPad Dock II 67P9010 * To p cover and screw kit for ThinkPad Dock II 46P3085 ** PCI cover for ThinkPad Dock II 46P3086 * ThinkPad Mini D[...]

Common parts list T ools T ool P/N T riconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable 05K2580 Screwdriver kit 95F3598 Mini PC tool set 00P7033 1/4" drive spinner handle 1650840 1/4" Sq. to 1/4" hex torx adapter 93F2838 TR7-TR-10 tamper resistant torx bits 00P6967 Removal tool antenna[...]

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 cords: Region P/N CRU ID Canada, U.S. v models -CTO, xxF , xxL, xxS, xxU 13H5264 * Japan v models -Exx, Jxx 74P4331 Argentina v models -CTO, xxY 36L8870 Brazil v models -CTO, xxP 49P2095 For 3-pin power cords:[...]

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 power cords: Region P/N CRU ID Argentina 36L8868 * Australia, New Zealand 75H8988 Brazil 49P2101 Canada, Thailand, U.S. 75H8989 Denmark 75H8992 European countries 75H8990 India, South Africa 75H8993 Is[...]

Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, [...]

and is presented as an illustration. The result obtained in other operating environments may vary . Lenovo may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you. Any references in this publication to non-Lenovo Web sites are provided for convenience only and do not in any [...]

T rademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo Rescue and Recovery ThinkLight ThinkPad ThinkPad Dock II ThinkPad Mini Dock ThinkPad Port Replicator ThinkPad Port Replicator II T rackPoint Ultrabay Ultrabay 2000 Ultrabay Plus UltraNav The following terms are trademarks of the Internatio[...]

Part Number: 39T6193 (1P) P/N: 39T6193[...]