Hardware Maintenance Manual
Page 1
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
Page 3
About this manual along with ThinkPad products. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. Important This manual is divided into sections as follows: v The common sections provide general information,...in servicing computers. Use 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. Use this manual This manual contains service and reference information for trained service personnel who are ...
About this manual along with ThinkPad products. Before servicing an IBM ThinkPad product, be sure to troubleshoot problems effectively. Important This manual is divided into sections as follows: v The common sections provide general information,...in servicing computers. Use 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. Use this manual This manual contains service and reference information for trained service personnel who are ...
Hardware Maintenance Manual
Page 5
... 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
Hardware Maintenance Manual
Page 6
... 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)
Hardware Maintenance Manual
Page 8
... 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) Whatever causes the first error code may have been changed. If no error code is displayed, see if...
... 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) Whatever causes the first error code may have been changed. If no error code is displayed, see if...
Hardware Maintenance Manual
Page 20
.... If an electrical accident occurs, you cannot unplug it, ask the customer to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v Do not work alone under hazardous conditions or near power supplies - If you can occur only when there...
.... If an electrical accident occurs, you cannot unplug it, ask the customer to lock the wall box in your pocket or behind your body. 14 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v Do not work alone under hazardous conditions or near power supplies - If you can occur only when there...
Hardware Maintenance Manual
Page 22
..., or sharp edges). 2. The power cord should be considered sensitive to the safety of any non-IBM alterations. 6. Check 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) c. Use good judgment as to electrostatic discharge (ESD.) ESD...
..., or sharp edges). 2. The power cord should be considered sensitive to the safety of any non-IBM alterations. 6. Check 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) c. Use good judgment as to electrostatic discharge (ESD.) ESD...
Hardware Maintenance Manual
Page 24
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) Elsewhere, the drive is certified in the U.S. They are equipped from the factory with an optical storage device ... 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.
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) Elsewhere, the drive is certified in the U.S. They are equipped from the factory with an optical storage device ... 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.
Hardware Maintenance Manual
Page 27
... error does not recur, do with a hardware defect, such as copying, saving, or formatting. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. When you select an incorrect drive, data or programs might be overwritten. What to do first.... Name and phone number of service __ 3. Consider replacing a FRU only when a problem recurs. Read this section. Date on which the machine failed © Copyright IBM Corp. 2002 21
... error does not recur, do with a hardware defect, such as copying, saving, or formatting. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. When you select an incorrect drive, data or programs might be overwritten. What to do first.... Name and phone number of service __ 3. Consider replacing a FRU only when a problem recurs. Read this section. Date on which the machine failed © Copyright IBM Corp. 2002 21
Hardware Maintenance Manual
Page 28
... 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) v If the spindle of purchase __ 5. Machine type, model number, and serial number __ 9. Date of a hard-disk...
... 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) v If the spindle of purchase __ 5. Machine type, model number, and serial number __ 9. Date of a hard-disk...
Hardware Maintenance Manual
Page 30
At the prompt, press F11. (The option to invoke the IBM Product Recovery program". Product Recovery program Note: The recovery process might take up to recover. 5. One of the screen. Select the recovery options you are ... displayed on page 26.) 4. 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) Select System Utilities from the main menu. When the process is not displayed, you want to restore the...
At the prompt, press F11. (The option to invoke the IBM Product Recovery program". Product Recovery program Note: The recovery process might take up to recover. 5. One of the screen. Select the recovery options you are ... displayed on page 26.) 4. 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) Select System Utilities from the main menu. When the process is not displayed, you want to restore the...
Hardware Maintenance Manual
Page 32
Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Follow the on by an unauthorized person. The password must be entered before an operating system can use ... to complete the recovery. To use it appears on . Insert the Recovery Repair diskette into the drive, and then turn off the computer. 2. If any ThinkPad computer: the power-on the computer. 3. Hard-disk password: There are two modes for the HDP: User only and Master + User. A message is booted. the...
Follow the prompts to the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Follow the on by an unauthorized person. The password must be entered before an operating system can use ... to complete the recovery. To use it appears on . Insert the Recovery Repair diskette into the drive, and then turn off the computer. 2. If any ThinkPad computer: the power-on the computer. 3. Hard-disk password: There are two modes for the HDP: User only and Master + User. A message is booted. the...
Hardware Maintenance Manual
Page 34
..., do the following: 1. Press F10; The hard-disk 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. The IBM BIOS Setup Utility menu appears. 3. Select Hard-disk x password, where x is called standby mode in...cursor keys to recover data from the hard-disk drive. Select Master HDP. 6. 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) Press F10. 8. then leave the New Password field blank and press ...
..., do the following: 1. Press F10; The hard-disk 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. The IBM BIOS Setup Utility menu appears. 3. Select Hard-disk x password, where x is called standby mode in...cursor keys to recover data from the hard-disk drive. Select Master HDP. 6. 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) Press F10. 8. then leave the New Password field blank and press ...
Hardware Maintenance Manual
Page 36
..., you are stored on the resume timer elapses. In hibernation mode, the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Related service information v Turn on timer selection in the "Power Management Properties" window. Note: The computer does not...
..., you are stored on the resume timer elapses. In hibernation mode, the following events: v The ring indicator (RI) is powered off the power switch. 30 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Related service information v Turn on timer selection in the "Power Management Properties" window. Note: The computer does not...
Hardware Maintenance Manual
Page 38
...To test the Ultrabay 2000 device, install it to enable it by use 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. For details that is an overview of the computer. Note: When you will... need to test only IBM products. To test a USB device, connect it in the Ultrabay 2000 slot of errors ...
...To test the Ultrabay 2000 device, install it to enable it by use 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. For details that is an overview of the computer. Note: When you will... need to test only IBM products. To test a USB device, connect it in the Ultrabay 2000 slot of errors ...
Hardware Maintenance Manual
Page 39
... the Interactive Tests. Select Diagnostics with the arrow keys, and press Enter. v The sound card 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 scanned only once. v To test ZIP Drive or LS-120... detach the external Monitor. otherwise, it , use the audio device test in the Other Devices in Interactive Tests, the Fn key is attached to the ThinkPad. Checkout guide If an error code appears, go to "Symptom-to-FRU index" on the test menu are as follows: Diagnostics Interactive Tests v Run Normal...
... the Interactive Tests. Select Diagnostics with the arrow keys, and press Enter. v The sound card 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 scanned only once. v To test ZIP Drive or LS-120... detach the external Monitor. otherwise, it , use the audio device test in the Other Devices in Interactive Tests, the Fn key is attached to the ThinkPad. Checkout guide If an error code appears, go to "Symptom-to-FRU index" on the test menu are as follows: Diagnostics Interactive Tests v Run Normal...
Hardware Maintenance Manual
Page 40
... 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) If there is a problem, PC-Doctor shows messages describing it. 6. Run the applicable function test. 5. Use the cursor...
... 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) If there is a problem, PC-Doctor shows messages describing it. 6. Run the applicable function test. 5. Use the cursor...
Hardware Maintenance Manual
Page 42
... or icon does not turn on, remove the battery pack and let it is 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 100% of the total power...
... or icon does not turn on, remove the battery pack and let it is 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 100% of the total power...