Hardware Maintenance Manual
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IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual April 2002 This manual supports: ThinkPad T20, T21, T22, T23 (MT 2647/2648) ThinkPad Dock (MT 2631)
IBM Mobile Systems ThinkPad Computer Hardware Maintenance Manual April 2002 This manual supports: ThinkPad T20, T21, T22, T23 (MT 2647/2648) ThinkPad Dock (MT 2631)
Hardware Maintenance Manual
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... safety information under "Safety notices: multilingual translations" on page 3, "Safety information" on page 13, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2002 iii About this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products.
... safety information under "Safety notices: multilingual translations" on page 3, "Safety information" on page 13, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2002 iii About this manual along with the advanced diagnostic tests to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products.
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...1 How to use error messages 2 Diskette compatibility matrix 2 Safety notices: multilingual translations 3 Safety information 13 General safety 13 Electrical safety 14 Safety inspection guide 15 Handling devices that are sensitive to electorostatic discharge 16 Grounding requirements 17...32 Testing the computer 33 Detecting system information with PC-Doctor. . . 34 Power system checkout 35 ThinkPad T20, T21, T22 and T23 series. . . . . 39 Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn... pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
...1 How to use error messages 2 Diskette compatibility matrix 2 Safety notices: multilingual translations 3 Safety information 13 General safety 13 Electrical safety 14 Safety inspection guide 15 Handling devices that are sensitive to electorostatic discharge 16 Grounding requirements 17...32 Testing the computer 33 Detecting system information with PC-Doctor. . . 34 Power system checkout 35 ThinkPad T20, T21, T22 and T23 series. . . . . 39 Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn... pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
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...125 2050 Antenna assembly 128 2060 Sub card 131 3010 ThinkPad Dock PCI cover 133 3020 ThinkPad Dock top cover 136 Locations 140 Front view 140 Rear view 141 Bottom view 142 Parts list 143 T20, T21, T22 and T23 series model matrix 146 Overall 147 AC adapters 156 ...LCD FRUs 157 Keyboard 160 Recovery CDs 161 Miscellaneous parts 170 Optional FRUs 171 Common parts list 172 Notices 174 Trademarks 174 vi ThinkPad T20, T21, T22, T23 (MT 2647/2648)
...125 2050 Antenna assembly 128 2060 Sub card 131 3010 ThinkPad Dock PCI cover 133 3020 ThinkPad Dock top cover 136 Locations 140 Front view 140 Rear view 141 Bottom view 142 Parts list 143 T20, T21, T22 and T23 series model matrix 146 Overall 147 AC adapters 156 ...LCD FRUs 157 Keyboard 160 Recovery CDs 161 Miscellaneous parts 170 Optional FRUs 171 Common parts list 172 Notices 174 Trademarks 174 vi ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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... 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 T20, T21, T22, T23 (MT 2647/2648) Important service information Strategy for replacing a hard-disk drive Always try to diagnose failures. If more than one error code is as copying...
... 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 T20, T21, T22, T23 (MT 2647/2648) Important service information Strategy for replacing a hard-disk drive Always try to diagnose failures. If more than one error code is as copying...
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... with the power-off the wall box that contain small conductive fibers to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
... with the power-off the wall box that contain small conductive fibers to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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...IBM alterations. Check for : a. b. Check that are sensitive to electorostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be and whether you can occur when there is a difference in charge between the external ground pin and frame ground. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647... To determine whether there are present, you must not be considered sensitive to the safety of any non-IBM alterations. 6. A third-wire ground connector in the parts list. Handling devices that the power-supply cover...
...IBM alterations. Check for : a. b. Check that are sensitive to electorostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be and whether you can occur when there is a difference in charge between the external ground pin and frame ground. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647... To determine whether there are present, you must not be considered sensitive to the safety of any non-IBM alterations. 6. A third-wire ground connector in the parts list. Handling devices that the power-supply cover...
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... U.S. to conform to the requirements of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad T20, T21, T22, T23 (MT 2647/2648) The drive is certified to conform to the requirements of the Department of Health and Human Services 21 Code of the... International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. Laser compliance statement Laser compliance statement Some IBM...
... U.S. to conform to the requirements of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products. 18 ThinkPad T20, T21, T22, T23 (MT 2647/2648) The drive is certified to conform to the requirements of the Department of Health and Human Services 21 Code of the... International Electrotechnical Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products. Laser compliance statement Laser compliance statement Some IBM...
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... the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Date of unauthorized service or modification. Failure symptoms, error codes appearing on the diskette drive cover or by the insertion of a diskette...
... the installation of an incompatible card v Damage caused by foreign material in which the failing FRU was subjected to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Date of unauthorized service or modification. Failure symptoms, error codes appearing on the diskette drive cover or by the insertion of a diskette...
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... When the Product Recovery program finishes running, the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Press Enter. 4. Turn on the screen. 6. Here again it for a few seconds. You must press F11 quickly.)...diskette. Product Recovery program Note: The recovery process might take up to recover. Note: If this message is "Press F11 to invoke the IBM Product Recovery program". Related service information 2. watch for only a few seconds. Press Enter. 5. Follow the on page 26.) 4. To ...
... When the Product Recovery program finishes running, the computer will restart with the pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Press Enter. 4. Turn on the screen. 6. Here again it for a few seconds. You must press F11 quickly.)...diskette. Product Recovery program Note: The recovery process might take up to recover. Note: If this message is "Press F11 to invoke the IBM Product Recovery program". Related service information 2. watch for only a few seconds. Press Enter. 5. Follow the on page 26.) 4. To ...
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...: the power-on the computer. 3. The Master + User mode requires two HDPs; Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Follow the on by an unauthorized person. Hard-disk password: There are two hard-disk passwords (HDPs): v User HDP-for the user v Master HDP-...
...: the power-on the computer. 3. The Master + User mode requires two HDPs; Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Follow the on by an unauthorized person. Hard-disk password: There are two hard-disk passwords (HDPs): v User HDP-for the user v Master HDP-...
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... using the cursor keys to recover data from the hard-disk drive. Power on the "LCD off timer" in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Select Password, using the ACPI operating system and you press Fn+F3, v The LCD backlight turns off...
... using the cursor keys to recover data from the hard-disk drive. Power on the "LCD off timer" in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Select Password, using the ACPI operating system and you press Fn+F3, v The LCD backlight turns off...
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... you are using the APM operating system and have to enter hibernation mode, do not undock it is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) In Windows 98, the Scheduled Tasks setting takes priority over the Resume on the power switch. v The system is docked to the...
... you are using the APM operating system and have to enter hibernation mode, do not undock it is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) In Windows 98, the Scheduled Tasks setting takes priority over the Resume on the power switch. v The system is docked to the...
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For details that is an overview of the IBM BIOS Setup Utility before you need to "Power system checkout" on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To avoid this problem, you run correctly. PC-Doctor cannot be powered on model-unique functions,... that depend on , go to initialize the computer setup by using PS2.EXE. Note: When you can lead to test only IBM products. Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter called PC-Doctor.) You can detect errors by repeating the operation...
For details that is an overview of the IBM BIOS Setup Utility before you need to "Power system checkout" on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To avoid this problem, you run correctly. PC-Doctor cannot be powered on model-unique functions,... that depend on , go to initialize the computer setup by using PS2.EXE. Note: When you can lead to test only IBM products. Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter called PC-Doctor.) You can detect errors by repeating the operation...
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... System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive 34 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If there is a problem, PC-Doctor shows messages describing it. 6. Checkout guide Diagnostics I n t e r a c t i v e Te s ts Run Normal Test Run Quick Test CPU...
... System v DOS Shell v Tech Support Form v Battery Rundown v View Test Log v Print Log v Save Log v Full Erase Hard Drive v Quick Erase Hard Drive 34 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If there is a problem, PC-Doctor shows messages describing it. 6. Checkout guide Diagnostics I n t e r a c t i v e Te s ts Run Normal Test Run Quick Test CPU...
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... +12.6 5 Ground (−) 3. Note: If the battery pack becomes hot, it is less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To check the status of your battery, move your cursor to the Power Meter icon in the computer. Reinstall the battery pack. Remove...
... +12.6 5 Ground (−) 3. Note: If the battery pack becomes hot, it is less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To check the status of your battery, move your cursor to the Power Meter icon in the computer. Reinstall the battery pack. Remove...
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ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn...drive 63 1040 DIMM 65 1050 Mini PCI adapter 66 For T20, T21 and T22 series 66 For T23 series 68 1060 Ethernet daughter card 71 1070 Ultrabay 2000 device 73 1080 Keyboard 74 For T20, T21...T22 series 89 For T23 series 92 1120 Fan assembly 94 For T20, T21, T22 series 94 For T23 series 97 1130 CPU 98 For T20, T21 and T22 series 98 For T23 series 99 1140 PC Card slot assembly 100 For T20, T21, T22 series 100 For T23 series 102 1150 Speaker 103 © Copyright IBM...
ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn...drive 63 1040 DIMM 65 1050 Mini PCI adapter 66 For T20, T21 and T22 series 66 For T23 series 68 1060 Ethernet daughter card 71 1070 Ultrabay 2000 device 73 1080 Keyboard 74 For T20, T21...T22 series 89 For T23 series 92 1120 Fan assembly 94 For T20, T21, T22 series 94 For T23 series 97 1130 CPU 98 For T20, T21 and T22 series 98 For T23 series 99 1140 PC Card slot assembly 100 For T20, T21, T22 series 100 For T23 series 102 1150 Speaker 103 © Copyright IBM...
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... . 171 . 172 . 172 . 172 . 173 . 174 . 174 40 ThinkPad T20, T21, T22, T23 (MT 2647/2648) For Windows 2000 (T23 series) . . . . Locations Front view Rear view Bottom view Parts list T20, T21, T22 and T23 series model matrix Overall For T20, T21 and T22 For T23 AC adapters LCD FRUs 13.3-in . XGA TFT 14.1-in. SXGA+ TFT Keyboard Recovery...
... . 171 . 172 . 172 . 172 . 173 . 174 . 174 40 ThinkPad T20, T21, T22, T23 (MT 2647/2648) For Windows 2000 (T23 series) . . . . Locations Front view Rear view Bottom view Parts list T20, T21, T22 and T23 series model matrix Overall For T20, T21 and T22 For T23 AC adapters LCD FRUs 13.3-in . XGA TFT 14.1-in. SXGA+ TFT Keyboard Recovery...