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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... 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 error... 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
... 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 error... 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 If no error code is displayed, see if the error symptom is as copying, saving, or formatting. How to use error messages Use the...
... 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 If no error code is displayed, see if the error symptom is as copying, saving, or formatting. How to use error messages Use the...
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...ômes persistent après le lavage. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. 10 ThinkPad A20m/p, A21m/p, A22m/p Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten. Nel caso che caso l'LCD si dovesse rompere ed il liquido in...
...ômes persistent après le lavage. Obtenga atención medica si se presenta algún síntoma del fluido despues de lavarse. 10 ThinkPad A20m/p, A21m/p, A22m/p Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten. Nel caso che caso l'LCD si dovesse rompere ed il liquido in...
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... that other service representatives and the customer's personnel are too heavy for your back. v Reinstall all covers correctly before servicing an IBM mobile computer. Safety information Safety information The following section contains the safety information that can stand safely without slipping. 2. Use a ...your hair is worn or defective. v After service, reinstall all personnel, while you can be hazardous to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p this action removes the strain from the muscles in a safe place, away from walk areas so that is long, fasten...
... that other service representatives and the customer's personnel are too heavy for your back. v Reinstall all covers correctly before servicing an IBM mobile computer. Safety information Safety information The following section contains the safety information that can stand safely without slipping. 2. Use a ...your hair is worn or defective. v After service, reinstall all personnel, while you can be hazardous to the customer. 14 ThinkPad A20m/p, A21m/p, A22m/p this action removes the strain from the muscles in a safe place, away from walk areas so that is long, fasten...
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... 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 Blowers and fans - As each machine was designed and built, required safety items were installed to attachment of maintenance information.... these instructions are removed from their normal operating places in the safety sections of non-IBM features or options not ...
... 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 Blowers and fans - As each machine was designed and built, required safety items were installed to attachment of maintenance information.... these instructions are removed from their normal operating places in the safety sections of non-IBM features or options not ...
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.... Use the round ground-prong 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 Laser compliance statement Some IBM Personal Computer models are equipped from touching your body. such as options. They are wearing a wrist strap. to conform to the requirements...
.... Use the round ground-prong 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 Laser compliance statement Some IBM Personal Computer models are equipped from touching your body. such as options. They are wearing a wrist strap. to conform to the requirements...
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Some CD-ROM drives, DVD-ROM drives or the other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. 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. Do not open. Note the following: 20 ThinkPad A20m/p, A21m/p, A22m/p
Some CD-ROM drives, DVD-ROM drives or the other optical storage device could result in exposure to hazardous laser radiation. There are no serviceable parts inside those drives. 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. Do not open. Note the following: 20 ThinkPad A20m/p, A21m/p, A22m/p
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..., the customer may have been subjected to the following: The following are not covered under the warranty by referring to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p Failing FRU name and part number __ 8.
..., the customer may have been subjected to the following: The following are not covered under the warranty by referring to excessive force, or dropped. 24 ThinkPad A20m/p, A21m/p, A22m/p Failing FRU name and part number __ 8.
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... appear, you do not want to create the Service Partition, press N key, and then go to step 4. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p Boot with the Recovery CD (and the boot diskette if required.) 3. If the hard-disk drive is created and loaded with the Product Recovery...
... appear, you do not want to create the Service Partition, press N key, and then go to step 4. Enter the Y at each of the 26 ThinkPad A20m/p, A21m/p, A22m/p Boot with the Recovery CD (and the boot diskette if required.) 3. If the hard-disk drive is created and loaded with the Product Recovery...
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... SVP must be used for a scheduled fee. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Attention If the user HDP has been forgotten, check whether a master HDP has been set : 1. It it has, it to get access to the IBM BIOS Setup Utility and make changes to the hard-disk drive. The...-disk passwords (HDPs): v User HDP-for the user v Master HDP-for the system administrator, who can be made available to the servicer, there is available, IBM does not provide any services to reset either the user or the master HDP, or to the hard disk even if the user has changed...
... SVP must be used for a scheduled fee. Remove the battery pack. 28 ThinkPad A20m/p, A21m/p, A22m/p Attention If the user HDP has been forgotten, check whether a master HDP has been set : 1. It it has, it to get access to the IBM BIOS Setup Utility and make changes to the hard-disk drive. The...-disk passwords (HDPs): v User HDP-for the user v Master HDP-for the system administrator, who can be made available to the servicer, there is available, IBM does not provide any services to reset either the user or the master HDP, or to the hard disk even if the user has changed...
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... normal operation, press any 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 Power management Related service information To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Notes v Screen blank... in screen blank mode: v The LCD is powered off . If you press Fn + F3, or the time set on the "Turn off monitor" timer in IBM BIOS Setup Utility expires, v The LCD backlight turns off .
... normal operation, press any 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 Power management Related service information To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. Notes v Screen blank... in screen blank mode: v The LCD is powered off . If you press Fn + F3, or the time set on the "Turn off monitor" timer in IBM BIOS Setup Utility expires, v The LCD backlight turns off .
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... critically low. Note: If the computer enters the hibernation mode while it is turned on, the computer returns from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p The hibernation file in suspend mode. v The system is restored from hibernation mode and resumes operation. v If the timer conditions are stored on the...
... critically low. Note: If the computer enters the hibernation mode while it is turned on, the computer returns from the hard-disk drive. 32 ThinkPad A20m/p, A21m/p, A22m/p The hibernation file in suspend mode. v The system is restored from hibernation mode and resumes operation. v If the timer conditions are stored on the...
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... the cursor keys and ESC to select. 4. Press ENTER to move in the Interactive Tests. Follow the instructions on ThinkPad. A pull-down for some models. Run the applicable function test. 34 ThinkPad A20m/p, A21m/p, A22m/p Some model do not have them. Full v Memory Test - Full Memory Test - Checkout guide If an error code...
... the cursor keys and ESC to select. 4. Press ENTER to move in the Interactive Tests. Follow the instructions on ThinkPad. A pull-down for some models. Run the applicable function test. 34 ThinkPad A20m/p, A21m/p, A22m/p Some model do not have them. Full v Memory Test - Full Memory Test - Checkout guide If an error code...
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... pack that has less than 50% of the ac adapter cable. Note: Noise from the computer. 2. If it return to the next section. 36 ThinkPad A20m/p, A21m/p, A22m/p If the voltage is still not charged, go to ″Checking operational charging.″ To check the ac adapter, do the following: v Replace the...
... pack that has less than 50% of the ac adapter cable. Note: Noise from the computer. 2. If it return to the next section. 36 ThinkPad A20m/p, A21m/p, A22m/p If the voltage is still not charged, go to ″Checking operational charging.″ To check the ac adapter, do the following: v Replace the...
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Measure the voltage of the backup battery. Checkout guide 3. Remove the battery pack (see "Checking the battery pack" on page 60 ). 4. Remove the backup battery (see "1010 Battery pack" on page 37). 5. v If the backup battery discharges quickly after replacement, replace the system board. 38 ThinkPad A20m/p, A21m/p, A22m/p See the following figure. Red (+) Black (-) Wire Red Black Voltage (V dc) +2.5 to +3.2 Ground v If the voltage is not correct, replace the backup battery. v If the voltage is correct, replace the system board.
Measure the voltage of the backup battery. Checkout guide 3. Remove the battery pack (see "Checking the battery pack" on page 60 ). 4. Remove the backup battery (see "1010 Battery pack" on page 37). 5. v If the backup battery discharges quickly after replacement, replace the system board. 38 ThinkPad A20m/p, A21m/p, A22m/p See the following figure. Red (+) Black (-) Wire Red Black Voltage (V dc) +2.5 to +3.2 Ground v If the voltage is not correct, replace the backup battery. v If the voltage is correct, replace the system board.
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ThinkPad A20m/p, A21m/p and A22m/p Product overview 41 Specifications 41...Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 For A20m/p, A21m/p series 64 For A22m/p series 65 1040 Backup battery 66 1050 Hard-disk drive or RF ID adapter . . . ...1110 Microphone and speaker cable . . . . . 78 For A20m/p and A21m/p series (microphone and speaker cable 78 For A22m/p series (speaker cable) . . . . . 79 1120 Sub card 80 1130 PC Card slot assembly 82 1140 Fan ...A20m/p and A21m/p series 92 For A22m/p series 92 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 ©...
ThinkPad A20m/p, A21m/p and A22m/p Product overview 41 Specifications 41...Battery pack 60 1020 DIMM 61 1030 Mini PCI adapter 63 For A20m/p, A21m/p series 64 For A22m/p series 65 1040 Backup battery 66 1050 Hard-disk drive or RF ID adapter . . . ...1110 Microphone and speaker cable . . . . . 78 For A20m/p and A21m/p series (microphone and speaker cable 78 For A22m/p series (speaker cable) . . . . . 79 1120 Sub card 80 1130 PC Card slot assembly 82 1140 Fan ...A20m/p and A21m/p series 92 For A22m/p series 92 Thermal rubbers location 93 2010 LCD assembly 94 2020 Front bezel 96 ©...