IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual
Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 100.
Contents Introduction . . . . . . . . . . . . Important service information . . . . . . . . Strategy for replacing FRUs . . . . . . . How to use error messages . . . . . . . Diskette compatibility matrix . . . . . . . . Safety notices: multilingual translations . . . . . Safety information. . . . . . . . . . . General safety . . . . . . . . . . . Electrical safety . . . . . . . . . . Safety inspection guide . . . . . . . . Handling electrostatic discharge-sensitive devices Grounding requirements . . . . . .
1060 Ultrabay 2000 device . . . . . . . . 58 1070 Keyboard . . . . . . . . . . . 60 1080 Keyboard CRU insulator . . . . . . . 63 1090 Hinge cover . . . . . . . . . . . 64 1100 Keyboard bezel and speaker . . . . . . 65 1110 Speaker cable . . . . . . . . . . 67 1120 Sub card . . . . . . . . . . . . 68 1130 PC Card slot assembly . . . . . . . 70 1140 Fan assembly . . . . . . . . . . 71 1150 Diskette drive . . . . . . . . . . 73 1160 Upper shield. . . . . . . . . . . 74 1170 System board . . . . . . . . . .
Introduction Important service information Important Diskette fixes are customer-installable. The diskette fixes are posted on the IBM support site (http://www.pc.ibm.com/support/). Advise customers to contact the PC Company HelpCenter at 800-772-2227 if they need assistance in obtaining or installing any diskette fixes. Customers in Canada should call IBM HelpPC at 800-565-3344 for assistance or download information.
Important service information Attention The setup configuration on the computer you are servicing may have been customized. Running Automatic Configuration may alter the settings. Note the current configuration settings (using the View Configuration option); then, when service has been completed, verify that those settings remain in effect. Strategy for replacing a hard-disk drive Always try to run a low-level format before replacing a hard-disk drive.
Safety notices Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate translation in this section. The safety notices are provided in English, French, German, Italian, and Spanish, as follows: 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.
Safety notices Safety notice 2 Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or short-circuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. Certaines batteries de secours contiennent du nickel et du cadmium.
Safety notices 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 time clock) o la batteria di supporto, utilizzare soltanto i tipi inseriti nell’appropriato Catalogo parti.
Safety notices Safety notice 3 The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne la démontez pas, ne l’exposez ni au feu ni à l’eau.
Safety notices Safety notice 4 The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery. La pile de sauvegarde contient du lithium.
Safety notices Continuation of Safety notice 4 La batería de repuesto es una batería de litio y puede provocar incendios, explosiones o quemaduras graves. No la recargue, ni quite el conector polarizado, ni la desmonte, ni caliente por encima de los 100°C (212°F), ni la incinere ni exponga el contenido de sus celdas al agua. Deséchela tal como dispone la normativa local.
Safety notices Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water for at least 15 minutes. Seek medical care if any symptoms from the fluid are present after washing. Si le panneau d’affichage à cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez-les abondamment pendant au moins quinze minutes.
Safety notices Safety notice 6 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 Teil der Spannungswandlerplatine umgibt, nicht entfernen.
Safety notices Safety notice 8 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, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.
Safety information Safety information The following section contains the safety information that you need to be familiar with before servicing an IBM mobile computer. General safety Follow these rules to ensure general safety: v Observe good housekeeping in the area of the machines during and after maintenance. v When lifting any heavy object: 1. Ensure you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force.
Safety information Electrical safety Observe the following rules when working on electrical equipment. Important Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock.
Safety information v v v v v v safety sections of maintenance information. Use extreme care when measuring high voltages. Regularly inspect and maintain your electrical hand tools for safe operational condition. Do not use worn or broken tools and testers. Never assume that power has been disconnected from a circuit. First, check that it has been powered off. Always look carefully for possible hazards in your work area.
Safety information To determine whether there are any potentially unsafe conditions, use the following checklist at the beginning of every service task. Begin the checks with the power off, and the power cord disconnected. Checklist: 1. Check exterior covers for damage (loose, broken, or sharp edges). 2. Power-off the computer. Disconnect the power cord. 3. Check the power cord for: a. A third-wire ground connector in good condition. Use a meter to measure third-wire ground continuity for 0.
Safety information v Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. v Use the black side of a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices. v Select a grounding system, such as those listed below, to provide protection that meets the specific service requirement.
Laser compliance statement When a CD-ROM drive or DVD drive is installed, note the following: Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure. O uso de controles, ajustes ou desempenho de procedimentos diferentes daqueles aqui especificados pode resultar em perigosa exposição à radiação.
Laser compliance statement Some CD-ROM drives or DVD drives contain an embedded Class 3A or Class 3B laser diode. Note the following: 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 ao abrir. Não olhe fixo no feixe de luz, não olhe diretamente por meio de instrumentos óticos e evite exposição direta com o feixe de luz. Rayonnement laser si carter ouvert.
General descriptions This chapter includes descriptions for any ThinkPad model that has the PC-Doctor DOS diagnostics program. Some descriptions might not apply to your particular computer. Read this first Before you go to the checkout guide, be sure to read this section. Important notes v Only certified trained personnel should service the computer. v Read the entire FRU removal and replacement page before replacing any FRU. v Use new nylon-coated screws when you replace FRUs.
Read this first __ 6. Procedure index and page number in which the failing FRU was detected __ 7. Failing FRU name and part number __ 8. Machine type, model number, and serial number __ 9. Customer’s name and address Note for warranty: During the warranty period, the customer may be responsible for repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by the customer.
Related service information Related service information This section provides information about the following: v “Service Web site” v “Using Recovery CD” v “Passwords” on page 22 v “Power management” on page 24 Service Web site When the latest maintenance diskette and the system program service diskette are available, a notice will be posted on http://www.pc.ibm.
Related service information 8. If a menu appears asking which operating system to install, highlight proper operating system and press “ENTER”. 9. A menu will appear stating “Full Recovery:”. Press “ENTER” to select. 10. Enter “Y” at the three windows which follow. 11. Follow prompts to complete Recovery. Passwords As many as three passwords may be needed for any ThinkPad computer: the power-on password (POP), the hard-disk password (HDP), and the supervisor password (SVP).
Related service information without knowing the password, nobody can change the configuration of the computer. Attention If the SVP has been forgotten, there is no way to reset it. How to remove the power-on password To remove a POP that you have forgotten, do the following: (A) If SVP is not installed: 1. Turn off the computer. 2. Remove the battery pack. For how to remove the battery pack, see “1010 Battery pack” on page 51. 3. Remove the backup battery.
Related service information To remove the user HDP that you have forgotten, do the following: 1. Power on the computer by pressing and holding F1. 2. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the cursor keys to move down the menu. 4. Select Hard-disk x password, where x is the letter of the hard-disk drive. A pop-up window opens. 5. Select either User HDP or Master HDP. 6. Enter the master HDP; then leave the New Password field blank and press Enter twice. 7.
Related service information Will not suspend even if LCD is closed in the Power Management Properties window. Then only the LCD turns off.) In certain circumstances, 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 the time set. v If the battery indicator blinks orange, indicating that the battery power is low.
Related service information v The system status, RAM, VRAM, and setup data are stored on the hard disk. v The system is powered off. Notes: The computer cannot enter hibernation mode when it is powered with ac power and a communication PC Card is used. Any one of the following events causes the computer to enter hibernation mode when the hibernation file is created: v The Fn + F12 keys are pressed. v The power switch is turned off and the mode is set to Power switch mode [Hibernation].
Checkout guide Checkout guide Use the following procedures as a guide in identifying and correcting problems with the ThinkPad computer. Note: The diagnostic tests are intended to test only IBM products. The use of non-IBM products, prototype cards, or modified options can lead to false indications of errors and invalid system responses. 1. Identify the failing symptoms in as much detail as possible. 2. Verify the symptoms.
Checkout guide If an error code appears, go to “Symptom-to-FRU index” on page 41. On the first screen, select the model and press Enter. Follow the instructions on the screen. 2. The main panel of PC-Doctor appears. 3. Select Diagnostics with the arrow keys, and press Enter. A pull-down menu appears. (Its exact form depends on the model.
Checkout guide To cancel the test, press Esc. Note: After executing PC-Doctor, check the system time/date and reset them if needed.
Checkout guide v “Checking the backup battery” on page 32 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 on, check the power cord of the ac adapter for correct continuity and installation. v If the computer does not charge during operation, go to ″Checking operational charging.
Checkout guide Checking the battery pack Battery charging does not start until the Power Meter shows that less than 95% of the total power remains; under this condition the battery pack can charge to 100% of its capacity. This protects the battery pack from being overcharged or from having a shortened life.
Checkout guide for Nickel metal hydride battery; v If the voltage is more than +8.0 V dc, measure the resistance between battery terminals 4 and 5. The resistance must be 4 to 30 K ohm. If the resistance is not correct, replace the battery pack. If the resistance is correct, replace the system board. Checking the backup battery Do the following: 1. Power off the computer, and unplug the ac adapter from it. 2. Turn the computer upside down. 3. Remove the battery pack (see “1010 Battery pack” on page 51).
ThinkPad A21e Product overview . . . . . . . Specifications . . . . . . . Status indicators . . . . . . FRU Tests . . . . . . . . Fn key combinations . . . . . Symptom-to-FRU index . . . . . Numeric error codes . . . . . Error messages . . . . . . Beep symptoms . . . . . . No beep symptoms . . . . . LCD-related symptoms . . . . Intermittent problems . . . . . Undetermined problems . . . . FRU replacement notices . . . . Screw notices . . . . . . . Retaining serial numbers. . . .
12.1-in. SVGA TFT . 14.1-in. XGA TFT . . 15.0-in. XGA TFT . . 15.0-in. XGA TFT (LG) Keyboard . . . . . Miscellaneous parts . . Optional FRUs. . . . Common parts list. . . Tools . . . . . Power cords (system) Notices . . . . . . Trademarks . . . . 34 ThinkPad A21e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 . 93 . 93 . 94 . 95 . 96 . 98 . 99 . 99 . 99 . 100 .
Product overview Product overview This section presents the following product-unique information: v “Specifications” v “Status indicators” on page 36 v “FRU Tests” on page 38 v “Fn key combinations” on page 40 Specifications The following table lists the specifications of the ThinkPad A21e series: Feature Description Processor Intel® Celeron® processor 600 MHz, L2 128–KB cache Bus architecture PCI Bus Memory (standard) 64 MB (SO DIMM x 1) Memory (optional) 64 MB or 128 MB DIMM card (maximum of 25
Product overview Status indicators The system status indicators show the status of the computer, as follows: Indicator Meaning 1 Battery Green: The battery is fully charged. Blinking green: The battery has enough power to operate, but is being charged. Orange: The battery power is low. The battery is to being charged. Blinking orange: The battery needs to be charged. when the indicator starts blinking orange, the computer beeps three times.
Product overview Indicator Meaning 3 Drive in use Green: Data is being read from or written to the hard-disk drive, the diskette drive, or the drive in the Ultrabay 2000. When this indicator is on, do not put the computer into standby mode or turn off the computer. Note: Do not move the system while the Green drive in use light is on. Sudden physical shock could cause drive errors. 4 Num lock Green: The numeric keypad on the keyboard is enabled.
Product overview FRU Tests The following table shows the test for each FRU. FRU Applicable test System board 1. Diagnostics --> CPU/Coprocessor 2. Diagnostics --> Systemboard Power Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) LCD unit 1. Diagnostics --> Video Adapter 2. Interactive Tests --> Video Modem 1. Make sure the modem is set up correctly. 2. Replace the modem jack and the modem card in turn, and run the following test in Diagnostics --> Communication: a.
Product overview FRU Applicable test Diskette drive 1. Diagnostics --> Diskette Drives 2. Interactive Tests --> Diskette CD-ROM or DVD drive 1. Diagnostics --> Other Devices --> CD-ROM/DVD 2. Interactive Tests --> CD-ROM/DVD Test Memory 1. If two DIMMs are installed, remove one of them and run Diagnostics --> Memory Test - Quick. 2. If the problem does not recur, return the DIMM to its place, remove the other one, and run the test again. 3.
Product overview Fn key combinations The following table shows the function of each combination of Fn with a function key. The Fn key works independently from the operating system. Key combination Description Fn + F1 Reserved. Fn + F2 Reserved. Fn + F3 Turn off the LCD display, leaving the screen blank. To turn the LCD display on again, press any key or the TrackPoint stick. Fn + F4 Turn standby mode on. To return to normal operation, press the Fn key. Fn + F5 Reserved. Fn + F6 Reserved.
Symptom-to-FRU index Symptom-to-FRU index The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type. Note: Do the FRU replacement or other actions in the sequence shown in the column headed “FRU or action, in sequence.” If replacing a FRU does not solve the problem, put the original part back in the computer. Do not replace a nondefective FRU.
Symptom-to-FRU index Symptom or error FRU or action, in sequence 0190 Critical low battery error. 1. Charge the battery pack. 2. Battery pack. 0200 Hard disk error — The hard disk is not working. 1. Reseat the hard-disk drive. 2. Load Setup Defaults in IBM BIOS Setup Utility. 3. Hard-disk drive. 4. System board. 021x Stuck key — Keyboard error. Run interactive tests of the keyboard and the auxiliary input device. 0220 Monitor type error — Monitor type does not match the one specified in CMOS.
Symptom-to-FRU index Symptom or error FRU or action, in sequence 0280 Previous boot incomplete — Default configuration used. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. DIMM. 3. System board. 02B2 Incorrect drive A type. 1. Diskette drive. 2. External FDD cable. 3. I/O card. 02F4 EISA CMOS not writable. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Replace the backup battery. 3. System board. 02F5 DIMM test failure. 1. DIMM. 2. System board. 02F6 Software NMI failure. 1. DIMM. 2.
Symptom-to-FRU index Error messages Symptom or error FRU or action, in sequence Device address conflict. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. Allocation error for device. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. Failing bits: nnnn. 1. DIMM. 2. System board. Invalid system configuration data. 1. DIMM. 2. System board. I/O device IRQ conflict. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2.
Symptom-to-FRU index 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. Two short beeps with error codes. POST error. See “Numeric error codes” on page 41. Two short beeps with blank screen. 1. System board. 2. DIMM.
Symptom-to-FRU index LCD-related symptoms Important The TFT LCD for the notebook computer contains many thin-film transistors (TFTs). A small number of dots that are missing, discolored, or always lighted is characteristic of TFT LCD technology, but excessive pixel problems can cause viewing concerns. The LCD should be replaced if the number of missing, discolored, or lighted dots in any background is: v SVGA: 5 or more bright dots, 5 or more dark dots, or a total of 9 or more bright and dark dots.
Symptom-to-FRU index 3. If any error is detected, replace the FRU shown by the FRU code. Rerun the test to verify that no more errors exist. Undetermined problems You are here because the diagnostic tests did not identify which adapter or device failed, wrong devices are installed, a short circuit is suspected, or the system is inoperative. Follow these procedures to isolate the failing FRU (do not isolate FRUs that have no defects). Verify that all attached devices are supported by the computer.
FRU replacement notices v They are harder to tighten. v They should be used only once. Do the following when you service this machine: v Keep the screw kit (for reference the P/N, see “Miscellaneous parts” on page 96) in your tool bag. v Always use new screws. v Use a torque screwdriver if you have one.
FRU replacement notices Restoring the serial number of the system unit When the computer was manufactured, the EEPROM on the system board was loaded with the serial numbers of the system and all major components. These numbers need to remain the same throughout the life of the computer. If you replace the system board, you must restore the serial number of the system unit to its original value. Before replacing the system board, save the original serial number by doing the following: 1.
Removing and replacing a FRU Removing and replacing a FRU This section presents information and drawings for use in removing and replacing a FRU. Be sure to observe the following general rules: 1. Do not try to service the 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 47. 3. Begin by removing any FRUs that have to be removed before the failing FRU.
Removing and replacing a FRU 1010 Battery pack CAUTION: If the rechargeable battery pack is incorrectly replaced, there is danger of an explosion. The battery pack contains a small amount of harmful substances. To avoid possible injury: (1) replace only with a battery of the type recommended by IBM, or an equivalent, (2) keep the battery pack away from fire, (3) do not expose it to water or rain, (4) do not attempt to disassemble it, (5) do not short-circuit it.
Removing and replacing a FRU 1020 DIMM v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it. When installing: With the notched end of the DIMM toward the socket, insert the DIMM into the socket, then press it firmly. Pivot the DIMM until it snaps into place. Make sure that the card is firmly fixed in the slot and does not move easily.
Removing and replacing a FRU 1030 Mini PCI adapter v Battery pack (1010) Note: Loosen the screw 1 , but do not remove it.
Removing and replacing a FRU Note: The illustration shows the combo card. Connector (A) is for the LAN feature and (B) is for the modem feature. This slot also supports a Mini PCI modem card or Mini PCI network card. Step 5 depends on the card type. Disconnect either (A), (B) or both. When installing the card, do the following: v With the notched end of the card toward the socket, insert the card into the socket, then press it firmly. Pivot the card until it snaps into place.
Removing and replacing a FRU 1040 Backup battery CAUTION: There is a danger of an explosion if the backup battery is incorrectly replaced. The lithium battery (IBM P/N 02K6572 UL-recognized component [file no. MH12210]) contains lithium and can explode if it is not properly handled or disposed of. Replace only with a battery of the same type.
Removing and replacing a FRU 1050 Hard-disk drive Attention Do not drop or apply any shock to the hard-disk drive. The hard-disk drive is sensitive to physical shock. Incorrect handling can cause damage and permanent loss of data. Before removing the drive, have the user make a backup copy of all the information on the drive if possible. Never remove the drive while the system is operating or is in suspend mode. v Battery pack (1010) Note: The hard disk is attached to the cover.
Removing and replacing a FRU When installing: Make sure that the HDD connector is firmly connected.
Removing and replacing a FRU 1060 Ultrabay 2000 device Any of several devices can be inserted into the Ultrabay 2000. The procedure for installing and removing is the same for every device. Note: When you release the switch in step 1 the lever pops out. Pull the lever a little in step 2 to release the device from the bay.
Removing and replacing a FRU (continued) ThinkPad A21e 59
Removing and replacing a FRU 1070 Keyboard v Battery pack (1010) v Hard-disk drive (1050) v Ultrabay 2000 device (1060) 1 Step Screw (quantity) Torque 1 M2.5 × 15 mm, nylon-coated (3) 39.
Removing and replacing a FRU (continued) ThinkPad A21e 61
Removing and replacing a FRU When installing: When installing the keyboard, do as follows: 1. Install the new keyboard, following the directions in the figure. Make sure that the keyboard edges, shown in the figure as (A), (B), and (C), are under the frame. 2. Push the Y key 1 to connect the keyboard to the connector on the underside of the key; then push the frame of the keyboard 2 to latch the latches. 3.
Removing and replacing a FRU 1080 Keyboard CRU insulator v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) ThinkPad A21e 63
Removing and replacing a FRU 1090 Hinge cover v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Step Screw (quantity) Torque 1 M2.5 × 15 mm, nylon-coated (1) 39.
Removing and replacing a FRU 1100 Keyboard bezel and speaker v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Step Screw (quantity) Torque 1 M2.5 × 4.8 mm, nylon-coated (7) 39.
Removing and replacing a FRU Step Screw (quantity) Torque 2 M2.5 × 15 mm, nylon-coated (2) 39.2 Ncm (4 kgfcm) Cable routing: When replacing the cable, see the preceding figure for its cable routing.
Removing and replacing a FRU 1110 Speaker cable v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) When installing: Make sure that you fasten the connector firmly.
Removing and replacing a FRU 1120 Sub card v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) Step Screw (quantity) Torque 1 Special, nylon-coated (2) — (continued) 68 ThinkPad A21e
Removing and replacing a FRU Step Screw (quantity) Torque 2 M2.5 × 4.8 mm, nylon-coated (1) 39.
Removing and replacing a FRU 1130 PC Card slot assembly v v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) Sub card (1120) Step Screw (quantity) Torque 1 M2.0 × 9.5 mm, nylon-coated (2) 24.5 Ncm (2.
Removing and replacing a FRU 1140 Fan assembly v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) Step Screw (quantity) Torque 1 M2.5 × 4.8 mm, nylon-coated (3) 39.
Removing and replacing a FRU When installing: When installing the fan assembly, apply the thermal grease (05K5751) on the a -part of the fan as shown in the following figure.
Removing and replacing a FRU 1150 Diskette drive v v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) Speaker cable (1110) Note: Remove the diskette drive spacer 1 gently; it will be reused when installing the new diskette drive. Step Screw (quantity) Torque 2 M2.5 × 4.8 mm, nylon-coated (1) 39.2 Ncm (4 kgfcm) 3 M2.5 × 15 mm, nylon-coated (2) 39.
Removing and replacing a FRU 1160 Upper shield v v v v v v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) Speaker cable (1110) Sub card (1120) PC Card slot assembly (1130) Fan assembly (1140) Diskette drive (1150) Step Screw (quantity) Torque 1 M2.5 × 15 mm, nylon-coated (2) 39.2 Ncm (4 kgfcm) 2 M2.5 × 4.8 mm, nylon-coated (2) 39.
Removing and replacing a FRU 1170 System board v v v v v v v v v v v v v v v v Battery pack (1010) DIMM (1020) Mini PCI adapter (1030) Backup battery (1040) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) Speaker cable (1110) Sub card (1120) PC Card slot assembly (1130) Fan assembly (1140) Diskette drive (1150) Upper shield (1160) Step Screw (quantity) Torque 1 M2.5 × 15 mm, nylon-coated (3) 39.
Removing and replacing a FRU Step Screw (quantity) Torque 3 M2.5 × 4.8 mm, nylon-coated (2) 39.
Removing and replacing a FRU 2010 LCD assembly v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker(1100) Step Screw (quantity) Torque 1 M2.5 × 4.8 mm, nylon-coated (4) 39.
Removing and replacing a FRU Step Screw (quantity) Torque 2 Special, nylon-coated (2) — 4 M2.5 × 4.8 mm, nylon-coated (2) 39.
Removing and replacing a FRU 2020 Front bezel v v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) LCD assembly (2010) Step Screw (quantity) Torque 1 M2.5 × 4.8 mm, nylon-coated (2) 39.
Removing and replacing a FRU Note: Only the front bezel for the 15.0-in. XGA TFT (LG) has a identifying mark (V), as in the following figure. For reference FRU list, see “15.0-in.
Removing and replacing a FRU 2030 Inverter card v v v v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) Keyboard bezel (1130) LCD assembly (2010) Front bezel (2020) 12.1-in. panel Step Screw (quantity) Torque 1 M2.5 × 4.8 mm, nylon-coated (1) 39.
Removing and replacing a FRU 14.1-in. and 15.0-in. panels Step Screw (quantity) Torque 1 M2.5 × 4.8 mm, nylon-coated (1) 39.
Removing and replacing a FRU 2040 LCD panel v v v v v v v v v v Battery pack (1010) Hard-disk drive (1050) Ultrabay 2000 device (1060) Keyboard (1070) Keyboard CRU insulator (1080) Hinge cover (1090) Keyboard bezel and speaker (1100) LCD assembly (2010) Front bezel (2020) Inverter card (2030) 12.1-in. panel Step MT Screw (quantity) Torque 1 2628-Cxx M2.5 × 7.0 mm, nylon-coated (4) 39.
Removing and replacing a FRU (continued) 84 ThinkPad A21e
Removing and replacing a FRU 14.1-in. and 15.0-in. panels Step MT Screw (quantity) Torque 1 2628-Jxx M2.0 × 5.7 mm, nylon-coated (4) 24.5 Ncm (2.
Removing and replacing a FRU Note: For 14.1-in. LCD, the LCD cable is taped onto the connector. Tear off the tape before disconnecting the LCD cable in step 3 .
Locations Locations Front view 1 2 3 4 5 6 7 8 System status indicators Battery and standby mode status indicators Built-in stereo speakers PC Card eject button PC Card slot Bay latch Eject button Ultrabay 2000 device 9 10 11 12 13 Note: The Ultrabay 2000 accepts storage devices, such as a DVD drive, CD-ROM drive, CD-RW, ZIP250, 2nd HDD or 2nd battery.
Locations Rear view 1 2 3 4 5 6 7 8 9 88 Security keyhole Parallel connector Modem connector Network connector Serial connector External-monitor connector Universal serial bus (USB) connector External-input-device connector Power jack ThinkPad A21e
Locations Bottom view 1 2 3 4 5 6 7 8 9 10 11 Battery pack Battery pack latches Mini PCI card slot Docking connector DIMM slot Stereo headphone jack Stereo line-in jack Diskette drive Microphone jack Hard-disk drive LCD latches ThinkPad A21e 89
Parts list Parts list 90 ThinkPad A21e
Parts list The parts marked with asterisk are CRU (customer replacable unit). No.
Parts list No. FRU P/N b Card modem connector (see “Miscellaneous parts” on page 96) 13 Cover, Mini PCI adapter slot* 08K5673 14 Battery pack (6 cell), SANYO* 02K6618 Battery pack (6 cell), Panasonic* 02K6614 Battery pack (7 cell) NiMH, Panasonic* 02K6720 Battery pack (9 cell), SANYO* 02K6619 Battery pack (9 cell), Panasonic* 02K6615 for optional battery pack, see “Optional FRUs” on page 98 15 Cover, DIMM slot* 08K5674 16 Hard-disk drive (10.0 GB), SSD* 08K9508 Hard-disk drive (10.
Parts list LCD FRU 12.1-in. SVGA TFT FRU P/N LCD cover assembly for Korea 08K5655 08K5659 LCD cable 27L0485 LCD panel (SANYO) 05K9577 Hinges 08K5664 Inverter card 08K3325 14.1-in. XGA TFT FRU P/N LCD cover assembly for MT2628-Ixx 08K5656 for MT2632 (i-series) 04P3724 LCD cable for MT2628-Ixx 27L0486 for MT2632 (i-series) 27L0610 LCD panel (DBU) 05K9578 LCD panel (SAMSUNG) 05K9588 Hinges 08K5665 Inverter card 12P3051 15.0-in.
Parts list 15.0-in. XGA TFT (LG) FRU P/N LCD cover assembly for Korea 04P3048 04P3049 LCD cable 27L0578 LCD panel (LG) 05K9647 Hinges 04P3488 Inverter card 08K3326 Misc kit (see “Miscellaneous parts” on page 96.
Parts list Keyboard Language P/N Arabic 02K5476 Belgian 02K5470 Canadian French 02K5456 Chinese, traditional 02K5459 Czech 02K5480 Danish 02K5467 Dutch 02K5464 European Spanish 02K5469 European French 02K5463 German 02K5462 Greek 02K5473 Hungarian 02K5479 Hebrew 02K5474 Italian 02K5468 Japanese 02K5458 Korean 02K5460 Latin American Spanish 02K5457 Norwegian 02K5466 Polish 02K5481 Portuguese 02K5472 Russian 02K5477 Slovakian 02K5478 Slovenian 02K5482 Swedish o
Parts list Miscellaneous parts FRU P/N Screw kit (including nylon-coated screws): v M2 x 3.6 mm, flat head (3) v M2 x 5.1 mm, flat head (5) v M2 x 5.7 mm, flat head (5) v M2 x 16 mm, bind head (3) v M2.5 x 4.8 mm, flat head (42) v M2.5 x 5.5 mm, flat head (2) v M2.5 x 15 mm, flat head (15) v M2.6 x 2.8 mm, bind head (7) v M3 x 2.
Parts list FRU P/N Miscellaneous parts, for diskette drive: v Bezel v Bracket v Flexible cable v Screw caps 04P3967 Miscellaneous parts, for LCD: v Latch (right/left) v Spring v Spacer (for 15.0-in.) v Blank cap, UltraPort v Screw caps 04P3968 Miscellaneous kit for LCD 15.0-in. LG v Latch (RH 15.0 LG) v Latch (LH 15.0 LG) v Spring (15.0 LG) v Spacer (for 15.0-in.
Parts list Optional FRUs 64-MB SDRAM SO DIMM 20L0264 128-MB SDRAM SO DIMM 20L0265 AC adapter (72W), 3-pin (ASTEC) 02K6666 AC adapter (72W), 3-pin (DELTA) 02K6670 AC adapter (72W), 2-pin (ASTEC) 02K6669 AC adapter (72W), 2-pin (SANKEN) 02K6677 AC adapter (72W), 2-pin (DELTA) 02K6673 Ultrabay 2000 CD-ROM drive (LG) 08K9579 Ultrabay 2000 CD-ROM drive (TEAC) 27L3436 Ultrabay 2000 DVD-ROM drive (Hitachi) 27L4087 Ultrabay 2000 DVD-ROM drive (MKE) 27L3447 Ultrabay 2000 SuperDisk drive 05K92
Parts list Common parts list Tools Triconnector wrap plug 72X8546 PC test card 35G4703 Audio wrap cable 66G5180 USB parallel test cable 05K2580 Screwdriver kit 95F3598 Torque screwdriver 05K4695 5 mm socket wrench 05K4694 Screwdriver 27L8126 ThinkPad hardware maintenance diskette version 1.61 Note: Download the file from the Web site.
Notices Notices References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in all countries in which IBM operates. Any reference to an IBM product, program, or service is not intended to state or imply that only that IBM product, program, or service may be used.
Notices ThinkPad A21e 101
Part Number: 06P8883 Printed in U.S.A.
