Lenovo ThinkPad A20m Hardware Maintenance Manual for ThinkPad A22m (wireless m
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- Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 1
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual November 2001 This manual supports: ThinkPad A22m Wireless models (MT 2628) ThinkPad Dock (MT 2631) - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 2
Note Before using this information and the product it supports, be sure to read the general information under this publication may contain references to, or information about, IBM products (machines and programs), programming, or services that are not announced in your country. Such references or - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 3
service information 25 Service Web site 25 Product recovery program 25 Passwords 27 Power management 30 Checkout guide 33 Testing the computer 33 Detecting system information with PC-Doctor. . . 35 Power system checkout 35 ThinkPad A22m wireless models 39 Product overview 41 Specifications - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 4
. 78 1140 PC Card slot assembly 87 1150 Fan assembly 89 1160 Diskette drive 91 1170 Upper shield 93 1180 TV card 94 1190 CPU socket and CPU 95 106 2040 LCD panel 107 2050 Antenna assembly 110 3010 ThinkPad Dock PCI cover 112 3020 ThinkPad Dock top cover 114 Locations 119 Front view 119 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 5
listed in this manual. Use the following strategy to prevent unnecessary FRU replacement and service expense: v If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before you continue. v Some computers have both a processor board and - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 6
information Strategy for replacing a hard-disk drive Always try to run a low-level format before replacing a hard-disk drive. Attention: The drive startup sequence in the computer you are servicing may have been changed. Be extremely careful during write operations such as copying, saving, or - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 7
Safety notices Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate multi-lingual, translated safety notice found in this section. The following safety notices - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 8
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 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 9
(continuation of safety notice 2) Safety notices Alcune batterie di riserva contengono una piccola quantità di nichel e cadmio. Non smontarle, ricaricarle, gettarle nel fuoco o nell'acqua né cortocircuitarle. Smaltirle secondo la normativa in vigore (DPR - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 10
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 o l'esplosione della batteria stessa. (continued) 6 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 11
(continuation of safety notice 3) Safety notices Las baterías contienen pequeñas cantidades de níquel. No las desmonte, ni recargue, ni las eche al fuego o al agua ni las cortocircuite. Deséchelas tal como dispone la normativa local. Utilice sólo baterías que se encuentren en la lista de piezas al - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 12
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 Bestimmungen für Sondermüll beachten. Beim Ersetzen der Batterie nur Batterien des Typs verwenden, der in der - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 13
(continuation of safety notice 4) Safety notices La batteria di supporto e una batteria al litio e puo incendiarsi, esplodere o procurare gravi ustioni. Evitare di ricaricarla, smontarne il connettore polarizzato, smontarla, riscaldarla ad una temperatura superiore ai 100 gradi centigradi, - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 14
inmediatamente las áreas afectadas con agua durante 15 minutos como mínimo. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. 10 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 15
Safety notice 6 Safety notices 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 Sicherheitsgrü - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 16
um brennbare Materialien zu entzünden oder Verletzungen bei Personen hervorzurufen. Sebbene le batterie di alimentazione siano a basso voltaggio, una batteria in corto circuito o a como para quemar material combustible o provocar quemaduras en el personal. 12 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 17
Safety notice 8 Safety notices DANGER Before removing any FRU, power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, dé - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 18
with before servicing an IBM mobile computer start the machine, ensure that other service representatives and the customer's personnel place, away from all personnel, while you are servicing the machine. v Keep your toolcase away from to your eyes. v After service, reinstall all safety shields, guards - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 19
Electrical safety Safety information 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 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 20
potentially unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 21
following checklist at the beginning of every service task. Begin the checks with the any obvious non-IBM alterations. Use good judgment as to the safety of any non-IBM alterations. 6. all at the same charge. Notes 1. Use product-specific ESD procedures when they exceed the requirements noted here. - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 22
Some IBM Personal Computer models are equipped from the factory with an optical storage device; such as a CD-ROM drive or DVD-ROM drive. They are also sold separately as options. The drive is certified in the U.S. to conform to the requirements of the Department of Health and Human Services 21 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 23
Laser compliance statement When a CD-ROM drive, DVD drive or the other laser product is installed, note the following auftreten. L'utilizzo di controlli, regolazioni o l'esecuzione di procedure diverse da quelle specificate possono provocare l'esposizione a. El uso de controles o ajustes o la ejecuci - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 24
or the other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. Do not open. Some CD-ROM drives, DVD-ROM drives or the other optical storage devices contain an embedded Class 3A or Class 3B laser diode. Note the following - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 25
Laser compliance statement 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 ao abrir. Não olhe fixo no feixe de luz, não olhe diretamente por meio de - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 26
Laser compliance statement 22 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 27
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 when a problem recurs. If - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 28
the system was subjected to stress beyond normal use. Before checking problems with the computer, determine whether the damage is covered under the service or modification. v If the spindle of a hard-disk drive becomes noisy, it may have been subjected to excessive force, or dropped. 24 ThinkPad - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 29
-installed operating system, applications, and device drivers. To restore the pre-installed software, you can use either the Product Recovery program or a Recovery CD. The Product Recovery program is in the Service Partition, a section of the hard-disk drive that is not displayed by Windows Explorer - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 30
the preloaded system from the Recovery CD, do the following: To create the Service Partition (SP): 1. Erase all partitions on the hard-disk drive, using FDISK or a similar application. 2. Boot with the Recovery CD ( does not appear, you can recover it by use of the 26 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 31
the on-screen instructions. 8. When hard-disk drive with the pre-installed software when it arrives. For information on which CD to order, see"Recovery CDs" on page 128. Passwords As many as three passwords may be needed for any ThinkPad computer: the power-on password (POP), the hard-disk password - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 32
available, IBM does not provide any services to reset either the user or the master HDP, or to recover data from the hard-disk drive. The hard-disk drive can be replaced for a scheduled fee. Supervisor password: A supervisor password (SVP) protects the system information stored in the IBM BIOS Setup - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 33
POP has been removed. 5. Reinstall the backup battery and the battery pack. (B) If an SVP has been set and is known by the servicer: 1. Turn on the computer by pressing and holding F1. 2. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the cursor keys to move down - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 34
service in IBM BIOS Setup Utility expires, v The LCD backlight turns off. v The hard-disk drive hard disk, the parallel connector, or the diskette drive within that time. v If the battery indicator blinks orange, indicating that the battery power is low. (Alternatively, if Hibernate when 30 ThinkPad - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 35
service information battery becomes low has been selected in the "Power Management Properties" window, the computer goes into hibernation mode.) Note for the APM operating system: Even if you don't set the low-battery alarm, the charge indicator notifies you when the battery does not support ring - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 36
RAM, VRAM, and setup data are stored on the hard disk. v The system is powered off. Notes: 1. If you are using the APM operating system , v In the ThinkPad operating system and have set the mode to Hibernate when battery becomes low, and the battery charge becomes critically low. Note: If you are - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 37
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 station, even if the computer supports the docking station. To test PC-Doctor disk into the diskette drive; then power on the computer. - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 38
guide If an error code appears, go to "Symptom-to-FRU index" on page 47. On the first screen, select the model and press Enter. Follow the instructions on test supports only the LCD display on ThinkPad. Before running PC-Doctor DOS, detach the external Monitor. v To test ZIP Drive or LS-120 Drive, - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 39
Configuration v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info Utility v Run External Tests v Surface Scan Hard Disk v Benchmark System v DOS Shell v Tech Support Form v Battery Rundown - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 40
Checkout guide v "Checking the ac adapter" v "Checking operational charging" v "Checking the battery pack" on page 37 v "Checking the backup battery" on page 37 Checking the ac adapter You are here because the computer fails only when the ac adapter is used: v If the power problem occurs only when - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 41
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 than +11.0 V dc, the battery pack has been discharged. Note: - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 42
Checkout guide 3. Remove the battery pack (see "1010 Battery pack" on page 58 ). 4. Remove the backup battery (see "Checking the battery pack" on page 37). 5. Measure the voltage of the backup battery. See the following figure. Red (+) Black (-) Wire Red Black Voltage (V dc) +2.5 to +3.2 Ground - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 43
problems 53 FRU replacement notices 54 Screw notices 54 Retaining serial numbers 55 Restoring the serial number of the system unit 55 Retaining the UUID 55 Removing and replacing a FRU 57 1010 Battery pack 58 1020 DIMM 59 1030 Mini PCI adapter 61 1040 Backup battery 63 1050 Hard-disk drive - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 44
parts 130 Optional FRUs 131 Common parts list 133 Tools 133 Power cords (system 133 Power cords (docking station 134 Notices 135 Trademarks 135 40 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 45
key combinations" on page 46 Specifications The following table lists the specifications of the ThinkPad A20m wireless models: Feature Processor Bus architecture Memory (standard) Memory (optional) CMOS RAM Display Diskette drive Hard-disk drive I/O port Internal modem Audio Description v Intel - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 46
II 72-watt type v 10-24 x CD-ROM drive v 8 x DVD drive Status indicators The system status indicators show the status of the computer, as follows: 1 2 3 4 56 7 Indicator 1 Battery Meaning Green: The battery is fully charged. Blinking green: The battery has enough power to operate, but is being - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 47
being read from or written to the hard-disk drive, the diskette drive, or the drive in the Ultrabay 2000. When this Scroll Lock mode, press ScrLk key. Not all application programs support this function. 7 Power on Green: This indicator stays lighted whenever ThinkPad A22m wireless models 43 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 48
service action is necessary. Hard-disk drive Diskette drive If enabling the TrackPoint does not correct the problem, continue with the following: v Interactive Tests --> Mouse Diagnostics --> Fixed Disks 1. Diagnostics --> Diskette Drives 2. Interactive Tests -->Diskette (continued) 44 ThinkPad - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 49
FRU CD-ROM or DVD drive Memory Fan Product overview Applicable test 1. Diagnostics --> Other Devices --> CD-ROM/DVD 2. Interactive Tests --> CD-ROM/DVD Test 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 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 50
than four seconds. Fn+PgUp Turn the ThinkLight on or off. Fn+Home The LCD becomes brighter. Fn+End The LCD becomes less bright. 46 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 51
the problem, put the original part back in the computer. Do not replace a nondefective FRU. This index can also help you determine, during regular servicing, what problems" on page 52. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 52
2. Battery pack. 0193 Enter the supervisor RF antenna has been removed. password. 0194 Enter the supervisor The computer has been carried password. through a security gate. 0200 Hard disk error - The hard disk is not working. 1. Reseat the hard-disk drive. 2. Load Setup Defaults in IBM BIOS - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 53
Run IBM BIOS Setup Utility to reset the time and date. 1. Diskette drive. 2. External FDD cable. 3. I/O card. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Replace the backup battery. 3. System board. 1. DIMM. 2. System board. 1. DIMM. 2. System board. 1. DIMM. 2. System board. ThinkPad A22m - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 54
board. 1. Load Setup Defaults in IBM BIOS Setup Utility. 2. Backup battery. 3. System board. 1. Check that the operating system has no failure and is installed correctly. 2. Enter IBM BIOS Setup Utility and see whether the hard-disk drive and the diskette drive are properly identified. 3. Reseat the - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 55
Ethernet card is installed, confirm that Alert On LAN 2 in IBM BIOS Setup Utility is disabled. 1. DIMM. 2. System board Reinstall operating password or a supervisor password is set. Type the password and press Enter. A hard-disk password is set. Type the password and press Enter. Start the ThinkPad - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 56
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 . Rerun the test to verify that no more errors exist. 52 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 57
devices are supported by the IBM devices b. Devices attached to the port replicator c. Printer, mouse, and other external devices d. Battery pack e. Hard-disk drive f. External diskette drive g. DIMM h. Ultrabay 2000 device i. PC Cards 4. Power on the computer. 5. Determine whether the problem - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 58
. Screw notices Loose screws can cause a reliability problem. In IBM ThinkPad computer, this problem is addressed with special nylon-coated screws that have more (Cross-section) v Torque driver If you have a torque driver, refer to the "Torque" column for each step. 54 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 59
serial number by doing the following: 1. Install the ThinkPad hardware maintenance diskette version 1.61 and restart the computer. 2. From the main menu, select 1. Set System Identification. 3. Select 1. Add S/N data from EEPROM. Follow the instructions on the screen. Note: The serial number of the - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 60
have the same number. When you replace the system board, you must set the UUID on the new system board as follows: 1. Install the ThinkPad hardware maintenance diskette version 1.61, and restart the computer. 2. From the main menu, select 4. Assign UUID. A new UUID is created and written. If a valid - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 61
general rules: 1. Do not try to service any computer unless you have been trained and damaging parts. 2. Before replacing any FRU, review "FRU replacement notices" on page 54. cords from electrical outlets, remove the battery pack, and then disconnect any ThinkPad A22m wireless models 57 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 62
1010 Battery pack Removing and replacing a FRU DANGER Use only the battery in the parts listing for the computer you are servicing. The use of an incorrect battery can result in ignition or explosion of the battery. 1 2 58 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 63
1020 DIMM Removing and replacing a FRU For access, remove this FRU: v "1010 Battery pack" on page 58 Note: Loosen the screw 1 , but do not remove it. 1 2 (continued) ThinkPad A22m wireless models 59 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 64
. Pivot the DIMM until it snaps into place. Make sure that the card is firmly fixed in the slot and does not move easily. 60 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 65
Removing and replacing a FRU 1030 Mini PCI adapter For access, remove this FRU: v "1010 Battery pack" on page 58 Note: Loosen the screw 1 , but do not remove it. 1 2 (continued) ThinkPad A22m wireless models 61 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 66
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 a Mini PCI network card. Step 4 depends on the card type. Disconnect either (A), fixed in the slot and does not move easily. 62 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 67
listing for the computer you are servicing. The use of an incorrect battery can result in ignition or explosion of the battery. For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1020 DIMM" on page 59 v "1030 Mini PCI adapter" on page 61 1 2 ThinkPad A22m wireless models 63 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 68
the user make a backup copy of all the information on the drive if possible. Never remove the drive while the system is operating or is in suspend mode. For access, remove this FRU: v "1010 Battery pack" on page 58 1 2 Note: The hard disk is attached to the cover. Step Screw (quantity) 1 Coin - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 69
Removing and replacing a FRU When installing: Make sure that the hard-disk drive connector is firmly seated. ThinkPad A22m wireless models 65 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 70
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. (continued) 2 1 66 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 71
Removing and replacing a FRU 3 ThinkPad A22m wireless models 67 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 72
1070 Dummy card Removing and replacing a FRU Push the release button once, then the release button pops out. 1 Push the release button again into the slot, then the dummy card pops out. 2 3 68 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 73
1080 Keyboard Removing and replacing a FRU For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page 66 1 Step 1 Screw (quantity) M2.5 × 15 mm, nylon-coated (3) (continued) Torque 0.392 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 74
Removing and replacing a FRU 3 2 2 5 4 (continued) 70 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 75
the latches. 1 2 2 2 3. After fastening the three screws of bottom side, press the Y key again to connect the keyboard firmly to the connector under that key. ThinkPad A22m wireless models 71 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 76
Removing and replacing a FRU 1090 Keyboard CRU insulator For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page 66 v "1080 Keyboard" on page 69 72 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 77
1100 Hinge cover and clear sheet icon For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page 66 v and then attach the hinge cover to the computer. 2 1 ThinkPad A22m wireless models 73 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 78
Keyboard bezel and speaker For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page M2.5 × 4.8 mm, nylon-coated (5) (continued) Torque 0.392 Nm (4 kgfcm) 74 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 79
Removing and replacing a FRU 3 2 2 4 Step 2 Screw (quantity) M2.5 × 15 mm, nylon-coated (2) Torque 0.392 Nm (4 kgfcm) Cable routing: When replacing the cable, see the figure for its routing. ThinkPad A22m wireless models 75 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 80
Removing and replacing a FRU When installing: When attaching the keyboard bezel onto the unit, do as shown in the following figure. 76 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 81
a FRU 1120 Speaker cable For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page 66 1 When installing: Make sure that you fasten the connector firmly. ThinkPad A22m wireless models 77 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 82
1130 Wireless PC Card and sub card For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page 66 v insulation tapes ( 1 ) that secure the cable. 1 1 (continued) 78 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 83
Removing and replacing a FRU Note: When unplugging the antenna jack from the wireless PC Card, do not pull the cable; it might snap. Unplug the jack by grapping it with your fingers. 2 2 Pull the wireless PC Card out with your fingers. 3 (continued) ThinkPad A22m wireless models 79 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 84
Removing and replacing a FRU If you cannot pull the card out with your fingers, do as follows: 1. Push the release button for the upper slot once a , using a tapering stick; then the release button pops out. a (continued) 80 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 85
Removing and replacing a FRU 2. Push the release button of the upper slot again b ; the wireless PC Card pops out 3a . b 3a Note: After removing the wireless PC Card, be sure to push the release button back into the slot. ThinkPad A22m wireless models 81 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 86
Removing and replacing a FRU 4 5 Step 4 Screw (quantity) M2.6 × 2.8 mm, nylon-coated (2) (continued) Torque 0.392 Nm (4 kgfcm) 82 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 87
Removing and replacing a FRU 7 6 8 Step 7 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (1) Torque 0.392 Nm (4 kgfcm) ThinkPad A22m wireless models 83 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 88
and that the card is firmly attached. 3. Plug the black antenna cable into jack a (AUX), and the gray antenna cable into jack b (MAIN). b a (continued) 84 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 89
in the left figure above. Do not secure the cable separately from the edge of the PC Card slot as shown in B in the figure. ThinkPad A22m wireless models 85 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 90
5. Route the cables as follows: a. Route the black cable and the gray cable one through the cable guide. b. Route the cables along the edge of the upper shield and secure them with the insulation tape a the flexible cable to the sub card and tighten the screws. 86 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 91
1140 PC Card slot assembly For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page 66 (quantity) M2.0 × 9.5 mm, nylon-coated (2) Torque 0.245 Nm (2.5 kgfcm) ThinkPad A22m wireless models 87 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 92
slot out with your fingers as shown in the figure below. 2. Push both of the upper and the lower release buttons into each slot. 88 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 93
FRU 1150 Fan assembly For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page ) M2.5 × 4.8 mm, nylon-coated (1) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad A22m wireless models 89 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 94
Removing and replacing a FRU 2 2 2 3 Step 2 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (5) Torque 0.392 Nm (4 kgfcm) When installing: Apply thermal grease on the a -part of the fan assembly as in this figure. a 90 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 95
Removing and replacing a FRU 1160 Diskette drive For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 2 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (3) Torque 0.392 Nm (4 kgfcm) (continued) ThinkPad A22m wireless models 91 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 96
.5 × 4.8 mm, nylon-coated (2) 4 M2.5 × 15 mm, nylon-coated (2) Torque 0.392 Nm (4 kgfcm) 0.392 Nm (4 kgfcm) When installing: Do not press the part of the diskette drive marked a . To do so could damage the drive. 92 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 97
access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 PC Card slot assembly" on page 87 v "1150 Fan assembly" on page 89 v "1160 Diskette drive" on page 91 1 2 2 3 Step 1 Screw (quantity) M2.5 × 15 mm, nylon-coated - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 98
FRU For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 page 87 v "1150 Fan assembly" on page 89 v "1160 Diskette drive" on page 91 v "1170 Upper shield" on page 93 Cable routing: When reinstalling the - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 99
1190 CPU socket and CPU For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1020 DIMM" on page 59 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page the CPU to the socket, do as shown in step c . ThinkPad A22m wireless models 95 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 100
v "1030 Mini PCI adapter" on page 61 v "1040 Backup battery" on page 63 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device slot assembly" on page 87 v "1150 Fan assembly" on page 89 v "1160 Diskette drive" on page 91 v "1170 Upper shield" on page 93 v "1180 TV card" on - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 101
Removing and replacing a FRU 3 3 3 4 3 ThinkPad A22m wireless models 97 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 102
of the system board v When installing the new RJ45/11 connector assembly onto the system board, make sure that the connector is firmly seated. 98 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 103
a FRU 2010 LCD assembly For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page 66 off the two insulation tapes ( 1 ) securing the cable. 1 1 (continued) ThinkPad A22m wireless models 99 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 104
; it might snap. Unplug the jack by gripping it with your fingers. 2 2 3 3 3 Step 3 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (7) (continued) Torque 0.392 Nm (4 kgfcm) 100 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 105
Removing and replacing a FRU 6 7 6 4 5 Step 4 Screw (quantity) M2.6 × 2.8 mm, nylon-coated (2) 6 M2.5 × 4.8 mm, nylon-coated (2) Torque 0.392 Nm (4 kgfcm) 0.392 Nm (4 kgfcm) ThinkPad A22m wireless models 101 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 106
following procedure. 1. Plug the black antenna cable into jack a (AUX) of the wireless PC Card, and the gray antenna cable into jack b (MAIN). b a (continued) 102 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 107
the left figure above. Do not secure the cable separately from the edge of the PC Card slot as shown in B in the figure. (continued) ThinkPad A22m wireless models 103 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 108
Route the cables as follows: a. Route the black cable and the gray cable one through the cable guide. b. Route the cables along the edge of the upper shield and secure them with the insulation sure that the cable is not on the sub card in e -part in the figure. 104 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 109
and replacing a FRU For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on Step 1 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (2) Torque 0.392 Nm (4 kgfcm) ThinkPad A22m wireless models 105 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 110
and replacing a FRU For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on page Screw (quantity) M2.5 × 4.8 mm, nylon-coated (1) Torque 0.392 Nm (4 kgfcm) 3 2 106 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 111
and replacing a FRU For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" on quantity) M2.0 × 5.7 mm, nylon-coated (4) (continued) 1 Torque 0.167 Nm (1.7 kgfcm) ThinkPad A22m wireless models 107 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 112
and replacing a FRU Strip off the insulation tape securing the cable ( 2 ) and then release the cable from the cable guides ( 3 ) of the LCD cover. 2 3 33 3 33 3 When installing: Make sure that the cables are firmly routed as preceding figure. (continued) 108 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 113
is taped onto the connector. Before disconnecting the LCD cable in step 8 , strip off the tape in the direction of the arrow 7 in the figure. 8 7 6 5 ThinkPad A22m wireless models 109 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 114
2050 Antenna assembly For access, remove these FRUs, in order: v "1010 Battery pack" on page 58 v "1050 Hard-disk drive or RF ID adapter" on page 64 v "1060 Ultrabay 2000 device" Step 2 Screw (quantity) M2.0 × 3.6 mm, nylon-coated (2) Torque 0.167 Nm (1.7 kgfcm) 110 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 115
Removing and replacing a FRU When installing: 1. Attach the gray antenna cable to the left hinge and the black antenna cable to the right hinge. 2. Attach the left and right hinges as in this figure. ThinkPad A22m wireless models 111 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 116
of ThinkPad Dock as follows: v ThinkPad Dock: FRU part no. 08N1546 (PCI cover: FRU part no. 05K6246) v ThinkPad Dock with extension plate: FRU part no. 08N1537 (PCI cover: FRU part no. 08N7317) Make sure that the PCI cover FRU suits the ThinkPad Dock you are servicing. 112 ThinkPad A22m wireless - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 117
Removing and replacing a FRU Note: Following illustration shows the PCI cover removal of ThinkPad Dock (FRU no. 08N1546.) Do the same procedure for the PCI cover removal of ThinkPad Dock with extension plate (FRU part no. 08N1537.) 1 1 2 (Bottom view) ThinkPad A22m wireless models 113 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 118
top cover Note This section is only for the ThinkPad Dock (FRU no. 08N1546.) Top cover and screw kit for ThinkPad Dock (FRU part no. 12P4143) is not available for the ThinkPad Dock with extension plate (FRU part no. 08N1537.) 1 (Rear view) Step 1 Screw (quantity) M2.5 × 4.8 mm (2) (continued - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 119
Removing and replacing a FRU 2 2 2 (Bottom view) Step 2 Screw (quantity) M2.5 × 4.8 mm (8) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad A22m wireless models 115 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 120
Removing and replacing a FRU Make sure that the system lock key A is set to the Unlock position. Release the front latches in step 3 , and then remove the top cover 4 . For step 5 , see the inside view, shown in the circle. 4 5 3 A 116 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 121
Removing and replacing a FRU When replacing the top cover, do the following: v Make sure that the springs placed correctly. v Make sure that the device release lever is seated correctly. (continued) ThinkPad A22m wireless models 117 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 122
Removing and replacing a FRU v Make sure that the release button works correctly. 118 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 123
2000 device Note: The Ultrabay 2000 accepts storage devices, such as a DVD drive or a CD-ROM drive. 9 Video-out connector 10 Video-in connector 11 TrackPoint pointing stick 12 TrackPoint buttons 13 ThinkPad button 14 Volume and mute buttons 15 Power switch 15 1 14 13 2 3 12 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 124
2 Parallel connector 3 Modem connector 4 Network connector 5 Serial connector 6 External-monitor connector 7 Universal serial bus (USB) connector 8 External-input-device connector 9 Power jack Locations 1 2 3 456 7 8 9 120 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 125
1 Battery pack 2 Battery pack latches 3 Mini PCI card slot 4 Docking connector 5 DIMM slot 6 Stereo headphone jack 7 Stereo line-in jack 8 Diskette drive 9 Microphone jack 10 Infrared port 11 Hard-disk drive 12 LCD latches Locations 3 2 1 4 5 6 7 8 12 9 10 11 ThinkPad - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 126
Parts list Overall Parts list 1 30 29 2 28 3 4 27 5 6 26 7 8 25 24 33 23b 23a a 9 22 23b 10 21 23a 31 32 20 19 11 12 14 13 15 18 17 16 122 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 127
2000 CD-ROM drive (TEAC) for 2628-Vxx OP 27L3436* Ultrabay 2000 DVD-ROM drive (MKE) for 2628-Wxx OP 27L3447* Ultrabay 2000 DVD-ROM drive (Hitachi) for 2628-Wxx OP 27L4087* for other optional Ultrabay 2000 device, see "Optional FRUs" on page 131. (continued) ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 128
* Battery pack (Li-Ion) 6 cell ECO, SANYO for 02K6770* 2628-xxJ, xxE 18 Cover, DIMM slot 08K7295 19 Hard-disk drive (10.0 GB), Hitachi for 2628-Vxx OP 08K9531 Hard-disk drive (10.0 GB), STD for 2628-Vxx 08K9508 OP Hard-disk drive (10.0 GB), STD for 2628-Vxx 08K9638 OP Hard-disk drive (30 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 129
assembly 27L0645 33 Dummy card 26P9494 - Telephone cable for 2628-xxA, xxC, xxE, xxF, 05K2707 xxG, xxH, xxP, xxS, xxT, xxU, AC adapter (72 W), 2-pin (SANKEN) for 2628-xxE, xxF, xxJ, xxP, xxS, xxU, xxX OP 02K6677* AC adapter (72 W), 3-pin (DELTA) for 2628-xxC, xxG, xxH, xxK, xxT, xxY OP - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 130
27L0658 3 LCD panel 14.1 XGA (DBU) 05K9578 LCD panel 14.1 XGA (SAMSUNG) 05K9588 4 Hinges 14.1 wireless 26P9491 5 Antenna assembly 26P9493 6 Inverter card (slim) 12P3053 126 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 131
02K5467 02K5464 02K5461 02K5455 02K5456 02K5463 02K5462 02K5473 02K5479 02K5474 02K5468 02K5458 02K5460 02K5466 02K5481 02K5472 02K5477 02K5478 02K5482 02K5469 02K5457 02K5465 02K5471 02K5475 02K5759 ThinkPad A22m wireless models 127 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 132
23P9869 23P9870 23P9847 23P9854 23P9845 23P9844 23P9853 23P9848 23P9849 23P9874 23P9871 23P9875 23P9852 27P1958 23P9855 23P9872 23P9846 23P9876 23P9878 23P9877 23P9850 23P9851 23P9879 23P9873 128 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 133
P/N 23P9881 23P9336 23P9337 23P9341 23P9338 23P9339 23P9343 23P9345 23P9344 23P9346 23P9340 P/N 23P9316 23P9323 23P9314 23P9361 23P9317 23P9322 23P9318 23P9324 23P9321 27P1960 23P9324 23P9315 23P9319 23P9320 ThinkPad A22m wireless models 129 - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 134
IR v Lens, Ultrabay 2000 LES v Lock, battery v Spring, battery lock v Lid, docking FR v Lid, docking v Sponge, shield lower v Sponge, small v Blank cap, battery v Screw caps v Cu tape System miscellaneous parts: v Keyboard Insulator, hard-disk drive v Insulator, keyboard CRU v Mini PCI guide v (a) - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 135
drive Ultrabay 2000 battery Ultrabay 2000 2nd HDD adapter Hard-disk drive (6.0 GB), STD Hard-disk drive (6.0 GB), Hitachi Hard-disk drive (10.0 GB), STD P/N 27L4141 27L3973 27L4221 05K9188 05K9160 27L4241 27L4236 05K9235 27L3450 00N8254 02K6645 08K6067 05K9227 05K9228 08K9508 (continued) ThinkPad - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 136
), Hitachi Hard-disk drive (18.0 GB), STD Hard-disk drive (20.0 GB), STD Hard-disk drive (20.0 GB), Hitachi Hard-disk drive (32.0 GB), STD Hard-disk drive (48.0 GB), STD Mini PCI combo card (Intel) Mini PCI combo card (3Com) Mini PCI combo card (Ambit) Mini PCI combo card (M2) (IBM) Battery pack (Li - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 137
5 mm socket wrench Screwdriver ThinkPad hardware maintenance diskette version 1.61 Note: Download the file from the Web site. Parts list P/N 72X8546 35G4703 66G5180 05K2580 95F3598 05K4695 05K4694 27L8126 - Power cords (system) IBM power cords for a specific country are usually available only - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 138
Parts list Power cords (docking station) IBM power cords for a specific country are usually available only in that region: For 3-pin power cords: Region 36L8868 75H8988 75H8989 75H8992 75H8990 75H8993 75H8999 75H8998 75H8996 76H3536 02K0540 75H8997 75H8994 134 ThinkPad A22m wireless models - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 139
Corporation, 500 Columbus Avenue, Thornwood, NY 10594, U.S.A. Trademarks The following terms are trademarks of the IBM Corporation in the United States or other countries or both: IBM ThinkPad TrackPoint ThinkLight OS/2 Asset ID Microsoft, Windows, Windows NT, and the Windows logo are trademarks - Lenovo ThinkPad A20m | Hardware Maintenance Manual for ThinkPad A22m (wireless m - Page 140
Part Number: 24P2911 (1P) P/N: 24P2911
IBM Mobile Systems
ThinkPad Computer
Hardware Maintenance Manual
November 2001
ThinkPad
A22m Wireless models
(MT 2628)
ThinkPad
Dock
(MT 2631)
This manual supports:
±²³