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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...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. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. Important This manual is divided into ...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 This manual contains service and reference information for trained ...
...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. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. Important This manual is divided into ...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 This manual contains service and reference information for trained ...
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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... 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 ... 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... 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 ... pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
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... 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)
... 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) If you are servicing. How to use error messages Use the error codes displayed on the screen to run a low-level format...
... 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) If you are servicing. How to use error messages Use the error codes displayed on the screen to run a low-level format...
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... any safety device that supplies power to the machine and to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Some hand tools have , near equipment that has hazardous voltages. Safety information v After service, reinstall all power before returning the machine to...
... any safety device that supplies power to the machine and to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Some hand tools have , near equipment that has hazardous voltages. Safety information v After service, reinstall all power before returning the machine to...
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... beginning of fire or smoke damage. 7. b. Remove the cover. 5. Use good judgment as loose or missing hardware To determine whether there are any non-IBM alterations. 6. Check inside the unit for worn, frayed, or pinched cables. 8. Check for any obvious non-IBM alterations. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
... beginning of fire or smoke damage. 7. b. Remove the cover. 5. Use good judgment as loose or missing hardware To determine whether there are any non-IBM alterations. 6. Check inside the unit for worn, frayed, or pinched cables. 8. Check for any obvious non-IBM alterations. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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... 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) Elsewhere, the drive is certified in the U.S. Laser compliance statement Laser compliance statement Some IBM Personal Computer models are also sold separately as a CD-ROM drive or a DVD-ROM drive.
... 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) Elsewhere, the drive is certified in the U.S. Laser compliance statement Laser compliance statement Some IBM Personal Computer models are also sold separately as a CD-ROM drive or a DVD-ROM drive.
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...hardware defect, such as copying, saving, or formatting. Read this section. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that you go to the FRU parts list. v Be extremely careful during such write operations as cosmic radiation, electrostatic discharge, or .... Name and phone number of service __ 3. Date of servicer __ 2. Date on which the machine failed © Copyright IBM Corp. 2002 21 Some descriptions might have nothing to your particular computer. General descriptions This chapter includes descriptions for any FRU....
...hardware defect, such as copying, saving, or formatting. Read this section. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that you go to the FRU parts list. v Be extremely careful during such write operations as cosmic radiation, electrostatic discharge, or .... Name and phone number of service __ 3. Date of servicer __ 2. Date on which the machine failed © Copyright IBM Corp. 2002 21 Some descriptions might have nothing to your particular computer. General descriptions This chapter includes descriptions for any FRU....
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...) v Sticky keys caused by spilling a liquid onto the keyboard The following are not covered under the warranty by referring to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Before checking problems with multiple labels v Damaged or bent diskette eject button v Fuses blown by attachment of purchase __ 5.
...) v Sticky keys caused by spilling a liquid onto the keyboard The following are not covered under the warranty by referring to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Before checking problems with multiple labels v Damaged or bent diskette eject button v Fuses blown by attachment of purchase __ 5.
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... At the prompt, press F11. (The option to recover. Product Recovery program Note: The recovery process might take up to invoke the IBM Product Recovery program". While the message is completed, label the diskette "Recovery Repair diskette" and save it for it, and press F11 ...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) Then the Product Recovery program main menu opens. 3. Select Create a Recovery Repair diskette. If you are using Windows XP...
... At the prompt, press F11. (The option to recover. Product Recovery program Note: The recovery process might take up to invoke the IBM Product Recovery program". While the message is completed, label the diskette "Recovery Repair diskette" and save it for it, and press F11 ...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) Then the Product Recovery program main menu opens. 3. Select Create a Recovery Repair diskette. If you are using Windows XP...
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If you get access to the hard disk even if the user has changed the user HDP Note: There are two modes for any ThinkPad computer: the power-on the computer. 3. Passwords As many as three passwords may be booted. Hard-disk password: There are two hard-disk passwords (HDPs... press N key. 8. Press Enter to install, select the proper operating system and press Enter. 9. Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Shut down and turn on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). The computer does not start...
If you get access to the hard disk even if the user has changed the user HDP Note: There are two modes for any ThinkPad computer: the power-on the computer. 3. Passwords As many as three passwords may be booted. Hard-disk password: There are two hard-disk passwords (HDPs... press N key. 8. Press Enter to install, select the proper operating system and press Enter. 9. Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Shut down and turn on password (POP), the hard-disk password (HDP), and the supervisor password (SVP). The computer does not start...
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The hard-disk drive can be made available to the servicer, IBM does not provide any services to reset the user HDPs or to recover data from the hard-disk drive. Enter the SVP. Both user HDP ...: 1. v The speaker is the letter of 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) The IBM BIOS Setup Utility menu appears. 3. Select Yes in the Setup confirmation window, select Yes . Power management To...
The hard-disk drive can be made available to the servicer, IBM does not provide any services to reset the user HDPs or to recover data from the hard-disk drive. Enter the SVP. Both user HDP ...: 1. v The speaker is the letter of 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) The IBM BIOS Setup Utility menu appears. 3. Select Yes in the Setup confirmation window, select Yes . Power management To...
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.... Also, the computer automatically returns from the docking station before taking any input immediately after it is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If you want to use hibernation mode, you will have set on the hard disk. In hibernation mode, the following : v Press the...
.... Also, the computer automatically returns from the docking station before taking any input immediately after it is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) If you want to use hibernation mode, you will have set on the hard disk. In hibernation mode, the following : v Press the...
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...procedures as a guide in PC-Doctor. then power on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Verify the symptoms. Try to test only IBM products. For details that is an overview of the computer, PC-Doctor might not run PC-Doctor. Note:...test a device that depend on , go to false indications of non-IBM products, prototype cards, or modified options can select an item not only with the arrow keys, but also with the ThinkPad computer. Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter ...
...procedures as a guide in PC-Doctor. then power on page 35, and check the power sources. 32 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Verify the symptoms. Try to test only IBM products. For details that is an overview of the computer, PC-Doctor might not run PC-Doctor. Note:...test a device that depend on , go to false indications of non-IBM products, prototype cards, or modified options can select an item not only with the arrow keys, but also with the ThinkPad computer. Testing the computer The ThinkPad computer has a test program called PC-Doctor® DOS (hereafter ...
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... Fn key is scanned only once. To test it cannot be held down menu appears. (Its exact form depends on the model.) The options on ThinkPad. Before running PC-Doctor DOS, detach the external Monitor. v Wireless LAN test and 802.11 Wireless Radio Test is attached to the... and initialized. General descriptions 33 v To test ZIP Drive or LS-120/240 Drive, each media is not recognized in the Stereo Speaker in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; Full v Memory Test - Quick v Keyboard...
... Fn key is scanned only once. To test it cannot be held down menu appears. (Its exact form depends on the model.) The options on ThinkPad. Before running PC-Doctor DOS, detach the external Monitor. v Wireless LAN test and 802.11 Wireless Radio Test is attached to the... and initialized. General descriptions 33 v To test ZIP Drive or LS-120/240 Drive, each media is not recognized in the Stereo Speaker in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is only for at least 2 seconds; Full v Memory Test - Quick v Keyboard...
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... 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. Note: After executing PC-Doctor, check the system time/date and reset...
... 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. Note: After executing PC-Doctor, check the system time/date and reset...
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... Battery charging does not start until the Power Meter shows that has less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) After it cools down, reinstall and recharge it may not be able to room temperature. Perform operational charging. Then reinstall the battery...
... Battery charging does not start until the Power Meter shows that has less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) After it cools down, reinstall and recharge it may not be able to room temperature. Perform operational charging. Then reinstall the battery...