Hardware Maintenance Manual
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... 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-...symptoms 53 No-beep symptoms 53 LCD-related symptoms 54 Intermittent problems 55 Undetermined problems 55 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
... 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-...symptoms 53 No-beep symptoms 53 LCD-related symptoms 54 Intermittent problems 55 Undetermined problems 55 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
Hardware Maintenance Manual
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...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 T23 series model matrix 146 ...Overall 147 AC adapters 156 LCD FRUs 157 Keyboard 160 Recovery CDs...
...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 T23 series model matrix 146 ...Overall 147 AC adapters 156 LCD FRUs 157 Keyboard 160 Recovery CDs...
Hardware Maintenance Manual
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... warranty: During the warranty period, the customer may have been subjected to the following: The following are not covered under warranty: v LCD panel cracked from the application of excessive force or from being dropped v Scratched (cosmetic) parts v Distortion, deformation, or discoloration of ... with the computer, determine whether the damage is covered under the warranty by referring to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Date of unauthorized service or modification. Before checking problems with multiple labels v Damaged or bent diskette ...
... warranty: During the warranty period, the customer may have been subjected to the following: The following are not covered under warranty: v LCD panel cracked from the application of excessive force or from being dropped v Scratched (cosmetic) parts v Distortion, deformation, or discoloration of ... with the computer, determine whether the damage is covered under the warranty by referring to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Date of unauthorized service or modification. Before checking problems with multiple labels v Damaged or bent diskette ...
Hardware Maintenance Manual
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... drive can be made available to the servicer, IBM does not provide any services to reset the user HDPs or to move down the menu. 4. Press F10. 8. Select Yes in the Setup confirmation window, select Yes . If you press Fn+F3, v The LCD backlight turns off . Enter the SVP. A ... master HDP 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) Select Hard-disk x password, where x is muted. 2. Select Master HDP. 6. Screen ...
... drive can be made available to the servicer, IBM does not provide any services to reset the user HDPs or to move down the menu. 4. Press F10. 8. Select Yes in the Setup confirmation window, select Yes . If you press Fn+F3, v The LCD backlight turns off . Enter the SVP. A ... master HDP 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) Select Hard-disk x password, where x is muted. 2. Select Master HDP. 6. Screen ...
Hardware Maintenance Manual
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... enters standby mode, the following : v Press the Fn key. v The CPU stops. v If the battery indicator blinks orange, indicating that time. v Open the LCD cover (only if you are using the ACPI operating system, only the low-battery alarm is powered off. In certain circumstances, the computer goes into... hibernation mode.) Note for the APM operating system: Even if you do what occurs in screen blank mode: v The LCD is available. This default low-battery behavior is independent of Fn+F4, if you are using Windows Me and you when the battery is powered...
... enters standby mode, the following : v Press the Fn key. v The CPU stops. v If the battery indicator blinks orange, indicating that time. v Open the LCD cover (only if you are using the ACPI operating system, only the low-battery alarm is powered off. In certain circumstances, the computer goes into... hibernation mode.) Note for the APM operating system: Even if you do what occurs in screen blank mode: v The LCD is available. This default low-battery behavior is independent of Fn+F4, if you are using Windows Me and you when the battery is powered...
Hardware Maintenance Manual
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...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 Interactive Tests. Before running PC-Doctor... DOS, detach the external Monitor. v Video Adapter test supports only the LCD display ...to "Symptom-to-FRU index" on ThinkPad. otherwise, it , use the audio device test in the Other Devices in the IBM BIOS Setup Utility, Diskette Drives test ...
...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 Interactive Tests. Before running PC-Doctor... DOS, detach the external Monitor. v Video Adapter test supports only the LCD display ...to "Symptom-to-FRU index" on ThinkPad. otherwise, it , use the audio device test in the Other Devices in the IBM BIOS Setup Utility, Diskette Drives test ...
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...Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless LAN Memory Test - Exit Diag. Use the cursor keys and ESC to select. 4. If there is a problem, PC-Doctor... v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info Utility 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...
...Test CPU/Coprocessor Systemboard Video Adapter Serial Ports Parallel Ports Fixed Disks Diskette Drives Other Devices ZIP Drive LS-120/240 Drive Communication Wireless LAN Memory Test - Exit Diag. Use the cursor keys and ESC to select. 4. If there is a problem, PC-Doctor... v Memory Contents v Physical Disk Drives v Logical Disk Drives v VGA Information v IDE Drive Info v PCI Information v PNPISA Info v SMBIOS Info v VESA LCD Info Utility 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...
Hardware Maintenance Manual
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ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key combinations 48 Symptom-to-FRU index 49 Numeric error codes 49 Error messages 52 Beep symptoms 53 No-beep symptoms 53 LCD-related symptoms 54 Intermittent problems 55 Undetermined problems 55 FRU ...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 Corp. 2002 39
ThinkPad T20, T21, T22 and T23 series Product overview 41 Specifications 43 Status indicators 45 FRU Tests 47 Fn key combinations 48 Symptom-to-FRU index 49 Numeric error codes 49 Error messages 52 Beep symptoms 53 No-beep symptoms 53 LCD-related symptoms 54 Intermittent problems 55 Undetermined problems 55 FRU ...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 Corp. 2002 39
Hardware Maintenance Manual
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XGA TFT 14.1-in . For Windows 2000/Windows NT (T23 series) For Windows XP (T23 series) . . . . . XGA TFT 14.1-in . For Windows 2000 (T22 series) . . . . Notices Trademarks . 105 . 107 . 107 . 108 . 111 . 113 . 113 . 115 . 117 . 118 . 121 . 122 . ...T20 series For T21 and T22 series For T23 series 1180 System board For T20, T21, T22 series For T23 series 1190 Secure chip 1200 Microphone cable 2010 LCD assembly 2020 Front bezel 2030 Inverter card 2040 LCD panel 2050 Antenna assembly 2060 Sub card 3010 ThinkPad Dock PCI cover . . . . . 3020 ThinkPad Dock top cover . . . . .
XGA TFT 14.1-in . For Windows 2000/Windows NT (T23 series) For Windows XP (T23 series) . . . . . XGA TFT 14.1-in . For Windows 2000 (T22 series) . . . . Notices Trademarks . 105 . 107 . 107 . 108 . 111 . 113 . 113 . 115 . 117 . 118 . 121 . 122 . ...T20 series For T21 and T22 series For T23 series 1180 System board For T20, T21, T22 series For T23 series 1190 Secure chip 1200 Microphone cable 2010 LCD assembly 2020 Front bezel 2030 Inverter card 2040 LCD panel 2050 Antenna assembly 2060 Sub card 3010 ThinkPad Dock PCI cover . . . . . 3020 ThinkPad Dock top cover . . . . .
Hardware Maintenance Manual
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...T20, T21, T22 v 64 MB, 128 MB, or 256 MB DIMM card (maximum of 512 MB) CMOS RAM Display T23 v 64 MB, 128 MB, 256 MB, or 512 MB DIMM card (maximum of 1024 MB) 242 bytes T20 v 13..., XGA (1024×768 resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD T21, T22, T23 v 13.3-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×... serial bus (USB) connector for T20, T21, and T22 series v Two USB connectors for T23 v RJ11 v RJ45 (covered) v TV-out (continued) 42 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
...T20, T21, T22 v 64 MB, 128 MB, or 256 MB DIMM card (maximum of 512 MB) CMOS RAM Display T23 v 64 MB, 128 MB, 256 MB, or 512 MB DIMM card (maximum of 1024 MB) 242 bytes T20 v 13..., XGA (1024×768 resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD T21, T22, T23 v 13.3-inch, 16M colors, XGA (1024×768 resolution) TFT color LCD v 14.1-inch, 16M colors, XGA (1024×... serial bus (USB) connector for T20, T21, and T22 series v Two USB connectors for T23 v RJ11 v RJ45 (covered) v TV-out (continued) 42 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual
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... Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Replace the modem jack and the modem card in turn, and run the following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Intel SP Modem Loopback/DTMF... is necessary. Lucent Soft Modem Dialtone (T23 only) e. After you use the TrackPoint, the pointer may drift on the screen for each FRU. Lucent Modem (M2) Dialtone/DTM c. FRU System board Power LCD unit Modem Audio Speaker PC Card slots Keyboard...
... Diagnostics --> Systemboard Diagnostics --> Other Devices --> IBM AC Adapter, IBM Battery 1 (IBM Battery 2) 1. Replace the modem jack and the modem card in turn, and run the following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Intel SP Modem Loopback/DTMF... is necessary. Lucent Soft Modem Dialtone (T23 only) e. After you use the TrackPoint, the pointer may drift on the screen for each FRU. Lucent Modem (M2) Dialtone/DTM c. FRU System board Power LCD unit Modem Audio Speaker PC Card slots Keyboard...
Hardware Maintenance Manual
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... . Note: To use Fn+F12 for hibernation in Windows 2000 and Windows XP, you must have IBM PM device driver installed on or off the LCD display, leaving the screen blank. Switch between the LCD and an external monitor (CRT). Reserved. To return to normal operation, press... ThinkLight on your computer. The LCD becomes brighter. Reserved. If an external monitor is attached, computer output is displayed in Windows 2000 and Windows XP, you must have IBM PM device driver installed on . The LCD becomes less bright. 48 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Turn standby...
... . Note: To use Fn+F12 for hibernation in Windows 2000 and Windows XP, you must have IBM PM device driver installed on or off the LCD display, leaving the screen blank. Switch between the LCD and an external monitor (CRT). Reserved. To return to normal operation, press... ThinkLight on your computer. The LCD becomes brighter. Reserved. If an external monitor is attached, computer output is displayed in Windows 2000 and Windows XP, you must have IBM PM device driver installed on . The LCD becomes less bright. 48 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Turn standby...
Hardware Maintenance Manual
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Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. System board. LCD assembly. 3. Two short beeps and a blank screen. 1. Two or more short beeps, and one short beep. If a mini-PCI Ethernet card is ... beeps, pause, three more short beeps, and one short beep. 1. Reseat DIMM. 2. The power-on , and LCD blank during POST. 1. appears. Type the password and press Enter. ThinkPad T20, T21, T22 and T23 series 53 LCD assembly. 3. DIMM. DIMM. Three short beeps, pause, three more beeps, or a continuous beep. DIMM. 3. The...
Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. System board. LCD assembly. 3. Two short beeps and a blank screen. 1. Two or more short beeps, and one short beep. If a mini-PCI Ethernet card is ... beeps, pause, three more short beeps, and one short beep. 1. Reseat DIMM. 2. The power-on , and LCD blank during POST. 1. appears. Type the password and press Enter. ThinkPad T20, T21, T22 and T23 series 53 LCD assembly. 3. DIMM. DIMM. Three short beeps, pause, three more beeps, or a continuous beep. DIMM. 3. The...
Hardware Maintenance Manual
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... if the number of 9 or more bright and dark dots. v LCD too dark. v LCD contrast cannot be adjusted. v Wrong color displayed. LCD assembly. 3. LCD assembly. 54 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v LCD brightness cannot be adjusted. Horizontal or vertical lines displayed on , and a blank LCD during POST. Note: A bright dot means a pixel is always on...
... if the number of 9 or more bright and dark dots. v LCD too dark. v LCD contrast cannot be adjusted. v Wrong color displayed. LCD assembly. 3. LCD assembly. 54 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v LCD brightness cannot be adjusted. Horizontal or vertical lines displayed on , and a blank LCD during POST. Note: A bright dot means a pixel is always on...
Hardware Maintenance Manual
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...the diagnostic tests did not identify which adapter or device failed, wrong devices are supported by the FRU code. Power off the computer. 2. Non-IBM devices b. Battery pack e. DIMM h. PC Cards 4. System board b. If any error is detected, do not replace a nondefective FRU): a. Printer... by the computer. Verify that have nothing to do the following devices: a. Devices attached to the port replicator c. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is operating ...
...the diagnostic tests did not identify which adapter or device failed, wrong devices are supported by the FRU code. Power off the computer. 2. Non-IBM devices b. Battery pack e. DIMM h. PC Cards 4. System board b. If any error is detected, do not replace a nondefective FRU): a. Printer... by the computer. Verify that have nothing to do the following devices: a. Devices attached to the port replicator c. LCD assembly ThinkPad T20, T21, T22 and T23 series 55 Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is operating ...
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Removing and replacing a FRU When removing the hard-disk drive, open the LCD a little as shown in the figure. 2 3 4 3 When installing: Make sure that the HDD connector is firmly connected. 64 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Removing and replacing a FRU When removing the hard-disk drive, open the LCD a little as shown in the figure. 2 3 4 3 When installing: Make sure that the HDD connector is firmly connected. 64 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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Removing and replacing a FRU 4 Note: The models with 13.3-in T21 series do not have FPC bracket ( 5 ). XGA LCD in T20 series and in . For those models, skip step 5 . 5 a When installing: Make sure that the FPC bracket is firmly attached as shown in the figure a . (continued) 110 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Removing and replacing a FRU 4 Note: The models with 13.3-in T21 series do not have FPC bracket ( 5 ). XGA LCD in T20 series and in . For those models, skip step 5 . 5 a When installing: Make sure that the FPC bracket is firmly attached as shown in the figure a . (continued) 110 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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Removing and replacing a FRU 2010 LCD assembly For access, remove these FRUs, in order: v "1010 Battery pack" on page 60 v "1020 Backup battery" on page 61 v "1030 Hard-disk drive" on page 63 v "1050 Mini PCI adapter" on page 66 v "1070 Ultrabay 2000 device" on page 73 v "1080 Keyboard" on page 74 v "1090 Keyboard CRU insulator" on page 82 v "1100 Hinge cover" on page 83 v "1110 Keyboard bezel" on page 88 v "1120 Fan assembly" on page 94 1 1 Step 1 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (4) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad T20, T21, T22 and T23 series 119
Removing and replacing a FRU 2010 LCD assembly For access, remove these FRUs, in order: v "1010 Battery pack" on page 60 v "1020 Backup battery" on page 61 v "1030 Hard-disk drive" on page 63 v "1050 Mini PCI adapter" on page 66 v "1070 Ultrabay 2000 device" on page 73 v "1080 Keyboard" on page 74 v "1090 Keyboard CRU insulator" on page 82 v "1100 Hinge cover" on page 83 v "1110 Keyboard bezel" on page 88 v "1120 Fan assembly" on page 94 1 1 Step 1 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (4) (continued) Torque 0.392 Nm (4 kgfcm) ThinkPad T20, T21, T22 and T23 series 119
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Removing and replacing a FRU 2020 Front bezel For access, remove these FRUs, in order: v "1010 Battery pack" on page 60 v "1020 Backup battery" on page 61 v "1030 Hard-disk drive" on page 63 v "1070 Ultrabay 2000 device" on page 73 v "1080 Keyboard" on page 74 v "1090 Keyboard CRU insulator" on page 82 v "1100 Hinge cover" on page 83 v "1110 Keyboard bezel" on page 88 v "1120 Fan assembly" on page 94 v "2010 LCD assembly" on page 119 2 1 1 1 Step 1 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (3) Torque 0.392 Nm (4 kgfcm) 122 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Removing and replacing a FRU 2020 Front bezel For access, remove these FRUs, in order: v "1010 Battery pack" on page 60 v "1020 Backup battery" on page 61 v "1030 Hard-disk drive" on page 63 v "1070 Ultrabay 2000 device" on page 73 v "1080 Keyboard" on page 74 v "1090 Keyboard CRU insulator" on page 82 v "1100 Hinge cover" on page 83 v "1110 Keyboard bezel" on page 88 v "1120 Fan assembly" on page 94 v "2010 LCD assembly" on page 119 2 1 1 1 Step 1 Screw (quantity) M2.5 × 4.8 mm, nylon-coated (3) Torque 0.392 Nm (4 kgfcm) 122 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
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... Keyboard CRU insulator" on page 82 v "1100 Hinge cover" on page 83 v "1110 Keyboard bezel" on page 88 v "1120 Fan assembly" on page 94 v "2010 LCD assembly" on page 119 v "2020 Front bezel" on page 122 1 2 3 Cable routing: When replacing the inverter card, route the connector cable as in the following...
... Keyboard CRU insulator" on page 82 v "1100 Hinge cover" on page 83 v "1110 Keyboard bezel" on page 88 v "1120 Fan assembly" on page 94 v "2010 LCD assembly" on page 119 v "2020 Front bezel" on page 122 1 2 3 Cable routing: When replacing the inverter card, route the connector cable as in the following...