Hardware Maintenance Manual
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IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual October 2001 This manual supports: ThinkPad A20m, A21m, A22m (MT 2628/2633) A20p, A21p, A22p (MT 2629) ThinkPad Dock (MT 2631)
Hardware Maintenance Manual
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... Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Use this manual This manual contains service and reference information for trained service personnel...translations" on page 3, "Safety information" on page 14, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2001 iii About this manual along with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information.
... Use this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad A20, A21, A22 (MT2628, 2629, 2633), and ThinkPad Dock (MT2631) products. Use this manual This manual contains service and reference information for trained service personnel...translations" on page 3, "Safety information" on page 14, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2001 iii About this manual along with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information.
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... 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 A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-to-FRU index 49 Numeric... notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
... 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 A20m/p, A21m/p and A22m/p. . . . . 39 Product overview 41 Specifications 41 Status indicators 44 FRU tests 46 Fn key combinations 48 Symptom-to-FRU index 49 Numeric... notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 © Copyright IBM Corp. 2001 v
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... assembly 91 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 2030 Inverter card 99 2040 LCD panel 101 3010 ThinkPad Dock PCI cover 105 3020 ThinkPad Dock top cover 107 Locations 112 Front view 112 Rear view 113 Bottom view 114 Parts list 115 A series model matrix 115... adapter 136 LCD FRUs 136 Keyboard 140 Recovery CDs 141 Miscellaneous parts 145 Optional FRUs 147 Common parts list 148 Notices 150 Trademarks 150 vi ThinkPad A20m/p, A21m/p, A22m/p
... assembly 91 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 2030 Inverter card 99 2040 LCD panel 101 3010 ThinkPad Dock PCI cover 105 3020 ThinkPad Dock top cover 107 Locations 112 Front view 112 Rear view 113 Bottom view 114 Parts list 115 A series model matrix 115... adapter 136 LCD FRUs 136 Keyboard 140 Recovery CDs 141 Miscellaneous parts 145 Optional FRUs 147 Common parts list 148 Notices 150 Trademarks 150 vi ThinkPad A20m/p, A21m/p, A22m/p
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... careful during write operations such as follows: Diskette drive 3.5-inch Diskette capacity 1.0 MB 2.0 MB 4.0 MB Compatibility Read and write Read and write Not compatible 2 ThinkPad A20m/p, A21m/p, A22m/p How to use error messages Use the error codes displayed on the screen to -FRU Index for the computer you are servicing may also...
... careful during write operations such as follows: Diskette drive 3.5-inch Diskette capacity 1.0 MB 2.0 MB 4.0 MB Compatibility Read and write Read and write Not compatible 2 ThinkPad A20m/p, A21m/p, A22m/p How to use error messages Use the error codes displayed on the screen to -FRU Index for the computer you are servicing may also...
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...;rtlichen Bestimmungen für Sondermüll beachten. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. 10 ThinkPad A20m/p, A21m/p, A22m/p Consultez un médecin si des symptômes persistent après le lavage. Der LCD-Bildschirm besteht aus Glas und kann zerbrechen, wenn...
...;rtlichen Bestimmungen für Sondermüll beachten. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. 10 ThinkPad A20m/p, A21m/p, A22m/p Consultez un médecin si des symptômes persistent après le lavage. Der LCD-Bildschirm besteht aus Glas und kann zerbrechen, wenn...
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... think are good electrical conductors. v Wear safety glasses when you are servicing the machine. v Reinstall all covers correctly before servicing an IBM mobile computer. v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you. v After service, reinstall all ... when you can be trapped in any other conditions that might be familiar with before returning the machine to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p v Place removed covers and other people will not trip over it with a nonconductive clip, approximately 8 centimeters (3 inches...
... think are good electrical conductors. v Wear safety glasses when you are servicing the machine. v Reinstall all covers correctly before servicing an IBM mobile computer. v Do not wear jewelry, chains, metal-frame eyeglasses, or metal fasteners for you. v After service, reinstall all ... when you can be trapped in any other conditions that might be familiar with before returning the machine to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p v Place removed covers and other people will not trip over it with a nonconductive clip, approximately 8 centimeters (3 inches...
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...the frame can cause serious or fatal electrical shock) v Explosive hazards, such as a damaged CRT face or a bulging capacitor 16 ThinkPad A20m/p, A21m/p, A22m/p Pumps - As each machine was designed and built, required safety items were installed to attachment of the units.) v .... v Always look carefully for safe operational condition. Motor generators and similar units. (This practice ensures correct grounding of non-IBM features or options not covered by this inspection guide is conductive; Send another person to assist you in identifying potentially unsafe conditions...
...the frame can cause serious or fatal electrical shock) v Explosive hazards, such as a damaged CRT face or a bulging capacitor 16 ThinkPad A20m/p, A21m/p, A22m/p Pumps - As each machine was designed and built, required safety items were installed to attachment of the units.) v .... v Always look carefully for safe operational condition. Motor generators and similar units. (This practice ensures correct grounding of non-IBM features or options not covered by this inspection guide is conductive; Send another person to assist you in identifying potentially unsafe conditions...
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...clip to the requirements of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 18 ThinkPad A20m/p, A21m/p, A22m/p Elsewhere, the drive is desirable but not required to protect against your skin to provide protection that meets the specific service ...strap against ESD damage. - The mat is certified in the U.S. You can be verified by a certified electrician. Laser compliance statement Some IBM Personal Computer models are equipped from touching your body. v Use the black side of a grounded work mat to the requirements of the ...
...clip to the requirements of the International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. 18 ThinkPad A20m/p, A21m/p, A22m/p Elsewhere, the drive is desirable but not required to protect against your skin to provide protection that meets the specific service ...strap against ESD damage. - The mat is certified in the U.S. You can be verified by a certified electrician. Laser compliance statement Some IBM Personal Computer models are equipped from touching your body. v Use the black side of a grounded work mat to the requirements of the ...
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Laser compliance statement Opening the CD-ROM drive, DVD-ROM drive or the other optical storage devices contain an embedded Class 3A or Class 3B laser diode. There are no serviceable parts inside those drives. Some CD-ROM drives, DVD-ROM drives or the other optical storage device could result in exposure to hazardous laser radiation. Note the following: 20 ThinkPad A20m/p, A21m/p, A22m/p Do not open.
Laser compliance statement Opening the CD-ROM drive, DVD-ROM drive or the other optical storage devices contain an embedded Class 3A or Class 3B laser diode. There are no serviceable parts inside those drives. Some CD-ROM drives, DVD-ROM drives or the other optical storage device could result in exposure to hazardous laser radiation. Note the following: 20 ThinkPad A20m/p, A21m/p, A22m/p Do not open.
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...that you go to the checkout guide, be sure to your particular computer. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that a FRU is defective, clear the error log and run the test again. v Use new nylon-coated screws when you do not... and the FRU part number are servicing sequence might be replaced because of purchase __ 5. Date on the display, and beep symptoms © Copyright IBM Corp. 2001 23 When you suspect that has the PC-Doctor DOS diagnostics program. Date of a single, unreproducible failure. v Replace FRUs only for...
...that you go to the checkout guide, be sure to your particular computer. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that a FRU is defective, clear the error log and run the test again. v Use new nylon-coated screws when you do not... and the FRU part number are servicing sequence might be replaced because of purchase __ 5. Date on the display, and beep symptoms © Copyright IBM Corp. 2001 23 When you suspect that has the PC-Doctor DOS diagnostics program. Date of a single, unreproducible failure. v Replace FRUs only for...
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... blown by attachment of a diskette with the computer, determine whether the damage is covered under the warranty by referring to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p Machine type, model number, and serial number __ 9. Read this first __ 6.
... blown by attachment of a diskette with the computer, determine whether the damage is covered under the warranty by referring to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p Machine type, model number, and serial number __ 9. Read this first __ 6.
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... install, highlight the proper operating system and press Enter. 9. v To install the Service Partition, go to continue. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p If the hard-disk drive is complete, the system reboots. If you do not receive this process. Related service information Creating the service partition...
... install, highlight the proper operating system and press Enter. 9. v To install the Service Partition, go to continue. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p If the hard-disk drive is complete, the system reboots. If you do not receive this process. Related service information Creating the service partition...
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... is turned on the screen whenever the computer is booted. Attach the external diskette drive to the computer. 3. Follow the on -screen instructions. 8. If any ThinkPad computer: the power-on which CD to press F11 appears for Windows 98 SE. 5. The computer does not start until the password is completed, label...
... is turned on the screen whenever the computer is booted. Attach the external diskette drive to the computer. 3. Follow the on -screen instructions. 8. If any ThinkPad computer: the power-on which CD to press F11 appears for Windows 98 SE. 5. The computer does not start until the password is completed, label...
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... two modes for a scheduled fee. the system administrator enters both in the IBM BIOS Setup Utility. The systemboard must be used for the system administrator, who can use it can be booted. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p It it has, it to get access to the... IBM BIOS Setup Utility and make changes to system configuration settings. The SVP must be made available to the servicer...
... two modes for a scheduled fee. the system administrator enters both in the IBM BIOS Setup Utility. The systemboard must be used for the system administrator, who can use it can be booted. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p It it has, it to get access to the... IBM BIOS Setup Utility and make changes to system configuration settings. The SVP must be made available to the servicer...
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... operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. 30 ThinkPad A20m/p, A21m/p, A22m/p Notes v Screen blank mode is called standby mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . To enter standby mode, press Fn + F4. In certain circumstances...
... operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time. 30 ThinkPad A20m/p, A21m/p, A22m/p Notes v Screen blank mode is called standby mode in IBM BIOS Setup Utility expires, v The LCD backlight turns off . To enter standby mode, press Fn + F4. In certain circumstances...
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... critically low. Pressing the power button. - Closing the lid. - v If the timer conditions are stored on , the computer returns from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p
... critically low. Pressing the power button. - Closing the lid. - v If the timer conditions are stored on , the computer returns from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p
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... re-create the failure by running the diagnostics test included in the Ultrabay 2000 slot of the computer. If you test one of non-IBM products, prototype cards, or modified options can detect errors by using PS2.EXE. To run correctly. General descriptions 33 This section is in...the operation. Checkout guide Checkout guide Use the following procedure, you can select an item not only with the arrow keys, but also with the ThinkPad computer. Note: The diagnostic tests are disabled, such as a guide in the docking station, even if the computer supports the docking station. ...
... re-create the failure by running the diagnostics test included in the Ultrabay 2000 slot of the computer. If you test one of non-IBM products, prototype cards, or modified options can detect errors by using PS2.EXE. To run correctly. General descriptions 33 This section is in...the operation. Checkout guide Checkout guide Use the following procedure, you can select an item not only with the arrow keys, but also with the ThinkPad computer. Note: The diagnostic tests are disabled, such as a guide in the docking station, even if the computer supports the docking station. ...