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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... compliance statement" on page 18. © Copyright IBM Corp. 2002 iii v The product-specific section includes service, reference, and product-specific parts information. Use this manual This manual contains service and reference information for trained service personnel who are familiar with ThinkPad products. Important This manual is divided into sections as... diagnostic tests to troubleshoot problems effectively. 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...
... compliance statement" on page 18. © Copyright IBM Corp. 2002 iii v The product-specific section includes service, reference, and product-specific parts information. Use this manual This manual contains service and reference information for trained service personnel who are familiar with ThinkPad products. Important This manual is divided into sections as... diagnostic tests to troubleshoot problems effectively. 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...
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... system 23 Passwords 26 Power management 28 Checkout guide 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 key combinations 48 Symptom-to-FRU... replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
... system 23 Passwords 26 Power management 28 Checkout guide 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 key combinations 48 Symptom-to-FRU... replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
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... assembly 121 2020 Front bezel 122 2030 Inverter card 123 2040 LCD panel 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... 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)
... assembly 121 2020 Front bezel 122 2030 Inverter card 123 2040 LCD panel 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... 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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... extremely 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 T20, T21, T22, T23 (MT 2647/2648)
... extremely 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 T20, T21, T22, T23 (MT 2647/2648)
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... the customer to power-off controls, is a complete circuit. If you need to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Electrical safety Observe the following precautions: - Attention: Another person must be there to the customer. Ensure that does...
... the customer to power-off controls, is a complete circuit. If you need to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Electrical safety Observe the following precautions: - Attention: Another person must be there to the customer. Ensure that does...
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...as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. 7. Check exterior covers for any obvious non-IBM alterations. Remove the cover. 5. Disconnect the power cord. 3. The power cord should be and whether you must not be the type ... for : a. Check that are any potentially unsafe conditions, use the following checklist at the beginning of any non-IBM alterations. 6. Begin the checks with . Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Checklist: 1. Handling devices that the power-supply cover fasteners ...
...as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. 7. Check exterior covers for any obvious non-IBM alterations. Remove the cover. 5. Disconnect the power cord. 3. The power cord should be and whether you must not be the type ... for : a. Check that are any potentially unsafe conditions, use the following checklist at the beginning of any non-IBM alterations. 6. Begin the checks with . Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Checklist: 1. Handling devices that the power-supply cover fasteners ...
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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) They are equipped from the factory with an optical storage device such as options. The drive is certified ... 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 Personal Computer models are also sold separately as a CD-ROM drive or a DVD-ROM drive. Elsewhere, the drive is certified in the 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) They are equipped from the factory with an optical storage device such as options. The drive is certified ... 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 Personal Computer models are also sold separately as a CD-ROM drive or a DVD-ROM drive. Elsewhere, the drive is certified in the U.S.
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...for a variety of reasons that you go to it: __ 1. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. v Be extremely careful during such write operations as cosmic radiation, electrostatic discharge, ...or parts return form that have been altered. v A FRU should service the computer. Date on which the machine failed © Copyright IBM Corp. 2002 21 General descriptions This chapter includes descriptions for the correct model. Date of a single, unreproducible failure. Important notes v ...
...for a variety of reasons that you go to it: __ 1. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. v Be extremely careful during such write operations as cosmic radiation, electrostatic discharge, ...or parts return form that have been altered. v A FRU should service the computer. Date on which the machine failed © Copyright IBM Corp. 2002 21 General descriptions This chapter includes descriptions for the correct model. Date of a single, unreproducible failure. Important notes v ...
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... or 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) Customer's name and address Note for repair costs if the computer damage was caused by misuse, accident, modification...
... or 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) Customer's name and address Note for repair costs if the computer damage was caused by misuse, accident, modification...
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...and F12) appear on page 26.) 4. Follow the on the computer. Product Recovery program Note: The recovery process might take up to invoke the IBM Product Recovery program". Press Enter. 4. One of the screen. While the message is displayed first, and then the message "To start the Product...for only a few seconds. 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) When the process is "Press F11 to 2 hours. Turn on -screen instructions. 6. Select the ...
...and F12) appear on page 26.) 4. Follow the on the computer. Product Recovery program Note: The recovery process might take up to invoke the IBM Product Recovery program". Press Enter. 4. One of the screen. While the message is displayed first, and then the message "To start the Product...for only a few seconds. 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) When the process is "Press F11 to 2 hours. Turn on -screen instructions. 6. Select the ...
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... service information v To preload the hard-disk drive without installing the service partition, press N key. 8. Press Enter to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) The password must be booted. The system administrator then provides the user HDP to select. 10.... Insert the Recovery Repair diskette into the drive, and then turn off the computer. 2. If any ThinkPad computer: the power-on . The computer does not start until the password is booted. Exception: If only an SVP is installed, the password prompt...
... service information v To preload the hard-disk drive without installing the service partition, press N key. 8. Press Enter to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) The password must be booted. The system administrator then provides the user HDP to select. 10.... Insert the Recovery Repair diskette into the drive, and then turn off the computer. 2. If any ThinkPad computer: the power-on . The computer does not start until the password is booted. Exception: If only an SVP is installed, the password prompt...
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..., and hibernation. Notes v Screen blank mode is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the ACPI operating system and you press Fn+F3, or the time set on the computer by... are 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) Screen blank mode Screen blank mode has three variants, as follows: 1....
..., and hibernation. Notes v Screen blank mode is selected and the user HDP has been forgotten and cannot be replaced for a scheduled fee. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the ACPI operating system and you press Fn+F3, or the time set on the computer by... are 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) Screen blank mode Screen blank mode has three variants, as follows: 1....
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... while it from standby mode and resumes operation in either of the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: The computer does not accept any action to the docking station, do any of the following : v Press...
... while it from standby mode and resumes operation in either of the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Note: The computer does not accept any action to the docking station, do any of the following : v Press...
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... PC-Doctor® DOS (hereafter called PC-Doctor.) You can select an item not only with the arrow keys, but also with the ThinkPad computer. If you test one of errors and invalid system responses. 1. Instead of the computer. To test the Ultrabay 2000 device, install... as possible. 2. Checkout guide Checkout guide Use the following procedure, you can detect errors by using PS2.EXE. The use of the IBM BIOS Setup Utility before you initialize the computer configuration, some possible configurations of the computer. For some devices are intended to "Product overview"...
... PC-Doctor® DOS (hereafter called PC-Doctor.) You can select an item not only with the arrow keys, but also with the ThinkPad computer. If you test one of errors and invalid system responses. 1. Instead of the computer. To test the Ultrabay 2000 device, install... as possible. 2. Checkout guide Checkout guide Use the following procedure, you can detect errors by using PS2.EXE. The use of the IBM BIOS Setup Utility before you initialize the computer configuration, some possible configurations of the computer. For some devices are intended to "Product overview"...
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... the Interactive Tests. v The sound card is not recognized in the Stereo Speaker in Diagnostics. Some models do not have them. Follow the instructions on ThinkPad. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD Test v Stereo Speaker v 802.11 Wireless Radio ...Test(*) Notes: v In the Keyboard test in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is needed to -FRU index" on the test menu are as...
... the Interactive Tests. v The sound card is not recognized in the Stereo Speaker in Diagnostics. Some models do not have them. Follow the instructions on ThinkPad. Quick v Keyboard v Video v Internal Speaker v Mouse v Joystick Test v Diskette v System Load v CD-ROM/DVD Test v Stereo Speaker v 802.11 Wireless Radio ...Test(*) Notes: v In the Keyboard test in the IBM BIOS Setup Utility, Diskette Drives test is activated even if no legacy diskette drive is needed to -FRU index" on the test menu are as...
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... v Benchmark 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) Full Memory Test - All Rights Reserved. Follow the instructions on the screen. Quick Hardware Info Utility Quit F1...
... v Benchmark 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) Full Memory Test - All Rights Reserved. Follow the instructions on the screen. Quick Hardware Info Utility Quit F1...
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... the battery charges properly during operation, use a discharged battery pack or a battery pack that less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Reinstall the battery pack. If it is less than 95% of the total power remaining when installed in...
... the battery charges properly during operation, use a discharged battery pack or a battery pack that less than +11.0 V dc, the battery pack has been discharged. 36 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Reinstall the battery pack. If it is less than 95% of the total power remaining when installed in...