Hardware Maintenance Manual
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...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 ... 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... and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
...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 ... 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... and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
Hardware Maintenance Manual
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.... - v Use the black side of the electrical outlet can use of the computer is desirable but not required to eliminate static on a double-insulated or battery-operated system. You can be verified by equalizing the charge so that the machine, the part, the work surface. Most clothing is especially useful when...
.... - v Use the black side of the electrical outlet can use of the computer is desirable but not required to eliminate static on a double-insulated or battery-operated system. You can be verified by equalizing the charge so that the machine, the part, the work surface. Most clothing is especially useful when...
Hardware Maintenance Manual
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... the system information stored in order to get access to the IBM BIOS Setup Utility and make changes to the hard-disk drive. The system board must be replaced for a scheduled fee. Turn off the computer. 2. Remove the battery pack. Turn on the computer by the servicer: 1. Enter ...have been saved window, press Enter. Turn on the computer and wait until the POST ends. The IBM BIOS Setup Utility menu appears. 3. How to reset the password. Reinstall the backup battery and the battery pack. (B) If an SVP has been set : 1. Select Password, using the cursor keys to ...
... the system information stored in order to get access to the IBM BIOS Setup Utility and make changes to the hard-disk drive. The system board must be replaced for a scheduled fee. Turn off the computer. 2. Remove the battery pack. Turn on the computer by the servicer: 1. Enter ...have been saved window, press Enter. Turn on the computer and wait until the POST ends. The IBM BIOS Setup Utility menu appears. 3. How to reset the password. Reinstall the backup battery and the battery pack. (B) If an SVP has been set : 1. Select Password, using the cursor keys to ...
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... setting, whichever is independent of the following events occur in addition to return from standby mode and resume operation, do not set the low-battery alarm, the computer may not do any key. Related service information v The hard-disk drive motor stops. 3. If the time set on... the "Turn off monitor" timer in screen blank mode: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into standby mode automatically: v If a "suspend time" has been ...
... setting, whichever is independent of the following events occur in addition to return from standby mode and resume operation, do not set the low-battery alarm, the computer may not do any key. Related service information v The hard-disk drive motor stops. 3. If the time set on... the "Turn off monitor" timer in screen blank mode: v The LCD is low. (Alternatively, if Hibernate when battery becomes low has been selected in the "Power Management Properties" window, the computer goes into standby mode automatically: v If a "suspend time" has been ...
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... operation with the keyboard, the TrackPoint, the hard-disk drive, the parallel connector, or the diskette drive within that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low.
... operation with the keyboard, the TrackPoint, the hard-disk drive, the parallel connector, or the diskette drive within that causes the system to Hibernate when battery becomes low, and the battery charge becomes critically low.
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... v Run External Tests v Surface Scan Hard Disk 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) Use the cursor keys and ESC to select. 4. If there is a problem, PC-Doctor...
... v Run External Tests v Surface Scan Hard Disk 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) Use the cursor keys and ESC to select. 4. If there is a problem, PC-Doctor...
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...one of the following power supply checkouts: v "Checking the ac adapter" v "Checking operational charging" on page 36 v "Checking the battery pack" on page 36 v "Checking the backup battery" on page 37 Checking the ac adapter You are here because the computer fails only when the ac adapter is used , replace... replace the ac adapter. 4. Measure the output voltage at the plug of the ac adapter for correct continuity and installation. Check that the battery pack supplies power when you power on , check the power cord of the ac adapter cable. Disconnect the ac adapter and install the charged...
...one of the following power supply checkouts: v "Checking the ac adapter" v "Checking operational charging" on page 36 v "Checking the battery pack" on page 36 v "Checking the backup battery" on page 37 Checking the ac adapter You are here because the computer fails only when the ac adapter is used , replace... replace the ac adapter. 4. Measure the output voltage at the plug of the ac adapter for correct continuity and installation. Check that the battery pack supplies power when you power on , check the power cord of the ac adapter cable. Disconnect the ac adapter and install the charged...
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... to charge. Checkout guide Checking operational charging To check whether 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) Note: If the battery pack becomes hot, it return to +12.6 5 Ground (−) 3. This protects...
... to charge. Checkout guide Checking operational charging To check whether 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) Note: If the battery pack becomes hot, it return to +12.6 5 Ground (−) 3. This protects...
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...Ground v If the voltage is still less than +11.0 V dc, measure the resistance between battery terminals 4 and 5. See the following : 1. v If the voltage is not correct, replace the battery pack. If the voltage is correct, replace the system board. If the voltage is correct, ...the ac adapter from it. 2. Measure the voltage of the backup battery. Red (+) Black (-) Wire Red Black Voltage (V dc) +2.5 to 30 K . General descriptions 37 v If the backup battery discharges quickly after recharging, replace the battery. 4. Checkout guide Note: Recharging will take at least 3 hours,...
...Ground v If the voltage is still less than +11.0 V dc, measure the resistance between battery terminals 4 and 5. See the following : 1. v If the voltage is not correct, replace the battery pack. If the voltage is correct, replace the system board. If the voltage is correct, ...the ac adapter from it. 2. Measure the voltage of the backup battery. Red (+) Black (-) Wire Red Black Voltage (V dc) +2.5 to 30 K . General descriptions 37 v If the backup battery discharges quickly after recharging, replace the battery. 4. Checkout guide Note: Recharging will take at least 3 hours,...
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ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key ...battery 61 1030 Hard-disk 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 and T22 series 74 For T23...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 Corp. 2002 39
ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key ...battery 61 1030 Hard-disk 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 and T22 series 74 For T23...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 Corp. 2002 39
Hardware Maintenance Manual
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... but is being detached. To enable or disable Scroll Lock mode, press Fn + ScrLk key. Green: This indicator stays lighted whenever the computer is on 6 Battery 7 Standby status 8 Ultrabay status Product overview Meaning Green: Scroll Lock mode is being charged. If the power-on indicator is on indicator and the standby... and in the process of being detached. Arrow keys can use . Indicator 4 Scroll lock 5 Power on . Not all application programs support this function. Green: The battery is resuming normal operation. Turn off . ThinkPad T20, T21, T22 and T23 series 45
... but is being detached. To enable or disable Scroll Lock mode, press Fn + ScrLk key. Green: This indicator stays lighted whenever the computer is on 6 Battery 7 Standby status 8 Ultrabay status Product overview Meaning Green: Scroll Lock mode is being charged. If the power-on indicator is on indicator and the standby... and in the process of being detached. Arrow keys can use . Indicator 4 Scroll lock 5 Power on . Not all application programs support this function. Green: The battery is resuming normal operation. Turn off . ThinkPad T20, T21, T22 and T23 series 45
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Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Make sure the modem is not a hardware problem. Lucent Soft Modem Loopback (T23 only) d. Interactive Tests --> Keyboard If the TrackPoint does not work, check the configuration in Diagnostics -->... FRU. Product overview FRU Tests The following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Interactive Tests --> Internal Speaker 2. Diagnostics --> Video Adapter 2. FRU System board Power LCD unit Modem Audio...
Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Make sure the modem is not a hardware problem. Lucent Soft Modem Loopback (T23 only) d. Interactive Tests --> Keyboard If the TrackPoint does not work, check the configuration in Diagnostics -->... FRU. Product overview FRU Tests The following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Interactive Tests --> Internal Speaker 2. Diagnostics --> Video Adapter 2. FRU System board Power LCD unit Modem Audio...
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... failed. System board. 0190 Critical low-battery error 1. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not correct. Charge the battery pack. 2. Battery pack. ThinkPad T20, T21, T22 and T23 series 49 A numeric error is listed first..., in this section lists symptoms and errors and their possible causes. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, ...
... failed. System board. 0190 Critical low-battery error 1. If no numeric code is displayed, check the narrative descriptions of symptoms. If the symptom is not correct. Charge the battery pack. 2. Battery pack. ThinkPad T20, T21, T22 and T23 series 49 A numeric error is listed first..., in this section lists symptoms and errors and their possible causes. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, ...
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.... 1. System board. 1. System board. System board. 1. System board. 1. DIMM. 2. ThinkPad T20, T21, T22 and T23 series 51 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. External FDD cable. 3. System board. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Load...
.... 1. System board. 1. System board. System board. 1. System board. 1. DIMM. 2. ThinkPad T20, T21, T22 and T23 series 51 Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. External FDD cable. 3. System board. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. Load...
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... configuration data. Backup battery. 3. System board. 1. DIMM. 2. Backup battery. 3. System board. 1. Restore the system configuration to -FRU index Error messages Symptom or error Device address conflict. If memory size has been changed, re-create the hibernation file. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) FRU or action, in IBM BIOS Setup Utility...
... configuration data. Backup battery. 3. System board. 1. DIMM. 2. Backup battery. 3. System board. 1. Restore the system configuration to -FRU index Error messages Symptom or error Device address conflict. If memory size has been changed, re-create the hibernation file. System board. 52 ThinkPad T20, T21, T22, T23 (MT 2647/2648) FRU or action, in IBM BIOS Setup Utility...
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... to a variety of the failure is inoperative. PC Cards 4. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 If no error is detected, replace the FRU shown by the ... problems can be considered only when a problem recurs. Printer, mouse, and other external devices d. Battery pack e. Power on page 35.) 1. Verify that have no more errors exist. FRU replacement should... Replace any error is detected, do not replace a nondefective FRU): a. Non-IBM devices b. External diskette drive g. If the problem does not recur, reconnect the removed devices one at least...
... to a variety of the failure is inoperative. PC Cards 4. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 If no error is detected, replace the FRU shown by the ... problems can be considered only when a problem recurs. Printer, mouse, and other external devices d. Battery pack e. Power on page 35.) 1. Verify that have no more errors exist. FRU replacement should... Replace any error is detected, do not replace a nondefective FRU): a. Non-IBM devices b. External diskette drive g. If the problem does not recur, reconnect the removed devices one at least...
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.... 7. For information about connecting and arranging internal cables, see "Locations" on after FRU replacement, make sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any computer unless you have to , and can cause electrical short circuits. Be sure to replacement. Verify this by the arrow... listed. 4. Before replacing any FRUs that pertain to observe the following general rules: 1. Metallic parts or metal flakes can be removed before the failing FRU. ThinkPad T20, T21, T22 and T23 series 59
.... 7. For information about connecting and arranging internal cables, see "Locations" on after FRU replacement, make sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any computer unless you have to , and can cause electrical short circuits. Be sure to replacement. Verify this by the arrow... listed. 4. Before replacing any FRUs that pertain to observe the following general rules: 1. Metallic parts or metal flakes can be removed before the failing FRU. ThinkPad T20, T21, T22 and T23 series 59
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Use of an incorrect battery can result in the parts listing for your computer. Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of the battery. 2 1 60 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Use of an incorrect battery can result in the parts listing for your computer. Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of the battery. 2 1 60 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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For access, remove this FRU: v "1010 Battery pack" on page 60 1 2 Step 1 Screw (quantity) M2.5 × 3.5 mm, (1) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad T20, T21, T22 and T23 series 61 Use of the battery. Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for your computer.
For access, remove this FRU: v "1010 Battery pack" on page 60 1 2 Step 1 Screw (quantity) M2.5 × 3.5 mm, (1) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad T20, T21, T22 and T23 series 61 Use of the battery. Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for your computer.
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Removing and replacing a FRU Cable routing: When attaching the backup battery to the holder, route the battery cable as in the following figure. 62 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Removing and replacing a FRU Cable routing: When attaching the backup battery to the holder, route the battery cable as in the following figure. 62 ThinkPad T20, T21, T22, T23 (MT 2647/2648)