Hardware Maintenance Manual
Page 3
... 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 familiar with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information. 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 ThinkPad Dock (MT2631) products. Use this manual This manual contains service and reference information for trained ...service personnel who are familiar with ThinkPad products. v The product-specific section includes service, reference, and product-specific parts information. About...
Hardware Maintenance Manual
Page 6
...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 161 Miscellaneous parts 170 Optional FRUs 171 Common parts list 172 Notices 174 Trademarks 174 vi ThinkPad T20, T21, T22, T23 (MT 2647/2648...
...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 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 7
... © Copyright IBM Corp. 2002 1 Replace only the FRU that all diskette fixes are instructed to replace either the processor board or the system board, and replacing one , to contact the PC Company HelpCenter at 800-565-3344 for replacing FRUs Before replacing parts Make sure that ...changed the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to see if the symptoms change. Strategy for assistance or ...
... © Copyright IBM Corp. 2002 1 Replace only the FRU that all diskette fixes are instructed to replace either the processor board or the system board, and replacing one , to contact the PC Company HelpCenter at 800-565-3344 for replacing FRUs Before replacing parts Make sure that ...changed the symptoms. Attention: The setup configuration on the IBM support site http://www.ibm.com/pc/support Advise customers to see if the symptoms change. Strategy for assistance or ...
Hardware Maintenance Manual
Page 9
... en su sitio y no se encuentran sueltas dentro del sistema. eventuali parti o pezzetti metallici possono provocare cortocircuiti pericolosi. Introduction 3 Metallic parts or metal flakes can cause electrical shorts. Bevor nach einem FRU-Austausch der Computer wieder angeschlossen wird, muß sichergestellt werden, da...molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse all screws, springs, and other small parts are in place and are provided in this section. Pour ce faire, secouez l'unité et assurez-vous qu'aucun bruit suspect...
... en su sitio y no se encuentran sueltas dentro del sistema. eventuali parti o pezzetti metallici possono provocare cortocircuiti pericolosi. Introduction 3 Metallic parts or metal flakes can cause electrical shorts. Bevor nach einem FRU-Austausch der Computer wieder angeschlossen wird, muß sichergestellt werden, da...molle e tutte le altri parti di piccole dimensioni siano nella corretta posizione e non siano sparse all screws, springs, and other small parts are in place and are provided in this section. Pour ce faire, secouez l'unité et assurez-vous qu'aucun bruit suspect...
Hardware Maintenance Manual
Page 19
... your back. Ensure you are hammering, drilling, soldering, cutting wire, attaching springs, using solvents, or working in the moving parts of the machines during and after maintenance. Never move suddenly or twist when you need to be trapped in any object that .... Safety information Safety information The following section presents the safety information that you attempt to lift. 4. Do not attempt to lift any other parts in the area of a machine. Attention: Metal objects are fastened or rolled up with a nonconductive clip, approximately 8 centimeters (3 inches) from...
... your back. Ensure you are hammering, drilling, soldering, cutting wire, attaching springs, using solvents, or working in the moving parts of the machines during and after maintenance. Never move suddenly or twist when you need to be trapped in any object that .... Safety information Safety information The following section presents the safety information that you attempt to lift. 4. Do not attempt to lift any other parts in the area of a machine. Attention: Metal objects are fastened or rolled up with a nonconductive clip, approximately 8 centimeters (3 inches) from...
Hardware Maintenance Manual
Page 21
...grounds. Safety inspection guide The purpose of maintenance information. these hazards are in your work with the reflective surface of non-IBM features or options not covered by this inspection guide is conductive; v Do not use the approved probe leads and accessories for... Observe the special safety precautions when you from their normal operating places in identifying potentially unsafe conditions. v Do not service the following parts with the power on suitable rubber mats (obtained locally, if necessary) to get medical aid. Safety information - Use caution; When using...
...grounds. Safety inspection guide The purpose of maintenance information. these hazards are in your work with the reflective surface of non-IBM features or options not covered by this inspection guide is conductive; v Do not use the approved probe leads and accessories for... Observe the special safety precautions when you from their normal operating places in identifying potentially unsafe conditions. v Do not service the following parts with the power on suitable rubber mats (obtained locally, if necessary) to get medical aid. Safety information - Use caution; When using...
Hardware Maintenance Manual
Page 22
...of fire or smoke damage. 7. Check that are sensitive to electorostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be and whether you must not be ...not been removed or tampered with the power off the computer. c. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Begin the checks with . Consider these conditions and the safety hazards... filings, contamination, water or other liquids, or signs of any non-IBM alterations. 6. Check for any obvious unsafe conditions, such as loose or missing hardware To determine whether ...
...of fire or smoke damage. 7. Check that are sensitive to electorostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be and whether you must not be ...not been removed or tampered with the power off the computer. c. Protect against ESD 16 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Begin the checks with . Consider these conditions and the safety hazards... filings, contamination, water or other liquids, or signs of any non-IBM alterations. 6. Check for any obvious unsafe conditions, such as loose or missing hardware To determine whether ...
Hardware Maintenance Manual
Page 23
... touching your body. Most clothing is desirable but not required to protect against your skin to provide protection that the machine, the part, the work surface. v Select a grounding system, such as fully effective. You can be verified by equalizing the charge so that meets the ...Safety information damage by a certified electrician. Notes 1. Attach the ESD ground clip to provide a static-free work mat, and the person handling the part are all at the same charge. Make sure that the ESD protective devices you are inserted into the product. The mat is required for operator...
... touching your body. Most clothing is desirable but not required to protect against your skin to provide protection that the machine, the part, the work surface. v Select a grounding system, such as fully effective. You can be verified by equalizing the charge so that meets the ...Safety information damage by a certified electrician. Notes 1. Attach the ESD ground clip to provide a static-free work mat, and the person handling the part are all at the same charge. Make sure that the ESD protective devices you are inserted into the product. The mat is required for operator...
Hardware Maintenance Manual
Page 27
Important notes v Only certified trained personnel should not be overwritten. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. If you must include the following information in the computer that a FRU is...replace the FRU. v Be careful not to your particular computer. Date on which the machine failed © Copyright IBM Corp. 2002 21 Drives in the parts exchange form or parts return form that have been altered. If you suspect that you attach to read this section. Name and phone ...
Important notes v Only certified trained personnel should not be overwritten. v Read the entire FRU removal and replacement page before replacing any ThinkPad model that has the PC-Doctor DOS diagnostics program. If you must include the following information in the computer that a FRU is...replace the FRU. v Be careful not to your particular computer. Date on which the machine failed © Copyright IBM Corp. 2002 21 Drives in the parts exchange form or parts return form that have been altered. If you suspect that you attach to read this section. Name and phone ...
Hardware Maintenance Manual
Page 28
...repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by nonwarranted activities: v Missing parts might be a symptom of a hard-disk drive becomes noisy, it may have been subjected to the following: The following symptoms might indicate that might ..., and beep symptoms __ 6. Read this first __ 4. Date of an incompatible card v Damage caused by referring to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Machine type, model number, and serial number __ 9.
...repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by nonwarranted activities: v Missing parts might be a symptom of a hard-disk drive becomes noisy, it may have been subjected to the following: The following symptoms might indicate that might ..., and beep symptoms __ 6. Read this first __ 4. Date of an incompatible card v Damage caused by referring to excessive force, or dropped. 22 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Machine type, model number, and serial number __ 9.
Hardware Maintenance Manual
Page 46
...14.1-in . For Windows 2000/Windows NT (T23 series) For Windows XP (T23 series) . . . . . 1160 Hard-disk bay 1170 Ultrabay 2000 slot For 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.... 172 . 173 . 174 . 174 40 ThinkPad T20, T21, T22, T23 (MT 2647/2648) For Windows 2000 (T23 series) . . . . XGA TFT 14.1-in . For Windows 2000 (T22 series) . . . . Locations Front view Rear view Bottom view Parts list T20, T21, T22 and T23 series model matrix Overall For T20, T21 and ...
...14.1-in . For Windows 2000/Windows NT (T23 series) For Windows XP (T23 series) . . . . . 1160 Hard-disk bay 1170 Ultrabay 2000 slot For 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.... 172 . 173 . 174 . 174 40 ThinkPad T20, T21, T22, T23 (MT 2647/2648) For Windows 2000 (T23 series) . . . . XGA TFT 14.1-in . For Windows 2000 (T22 series) . . . . Locations Front view Rear view Bottom view Parts list T20, T21, T22 and T23 series model matrix Overall For T20, T21 and ...
Hardware Maintenance Manual
Page 55
...symptom-to "Intermittent problems" on page 55. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in ... checksum is not correct. If replacing a FRU does not solve the problem, put the original part back in boldface type. A numeric error is listed first, in the computer. System board.... check the narrative descriptions of symptoms. If the symptom is failed. Battery pack. ThinkPad T20, T21, T22 and T23 series 49 System board. 0188 Invalid RFID serialization information area or bad CRC2-The...
...symptom-to "Intermittent problems" on page 55. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in ... checksum is not correct. If replacing a FRU does not solve the problem, put the original part back in boldface type. A numeric error is listed first, in the computer. System board.... check the narrative descriptions of symptoms. If the symptom is failed. Battery pack. ThinkPad T20, T21, T22 and T23 series 49 System board. 0188 Invalid RFID serialization information area or bad CRC2-The...
Hardware Maintenance Manual
Page 62
In IBM ThinkPad computer, this machine: v Keep the screw kit (for each step. 56 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v They should be used only once. Do the following characteristics: v They maintain tight connections. v They are harder to the "Torque" column for the P/N, see "Miscellaneous parts" on page ... Tighten screws as follows: v Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part: 90 degrees more (Cross-section) v Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface...
In IBM ThinkPad computer, this machine: v Keep the screw kit (for each step. 56 ThinkPad T20, T21, T22, T23 (MT 2647/2648) v They should be used only once. Do the following characteristics: v They maintain tight connections. v They are harder to the "Torque" column for the P/N, see "Miscellaneous parts" on page ... Tighten screws as follows: v Plastic to plastic Turn an additional 90 degrees after the screw head touches the surface of the plastic part: 90 degrees more (Cross-section) v Logic card to plastic Turn an additional 180 degrees after the screw head touches the surface...
Hardware Maintenance Manual
Page 65
...the order in place and are listed. 4. Follow the correct sequence in square callouts. 5. Metallic parts or metal flakes can be removed before the failing FRU. ThinkPad T20, T21, T22 and T23 series 59 Begin by the numbers in the steps for rattling sounds. To put the new FRU in...shown in removing and replacing a FRU. DANGER Before removing any FRU, power off the computer, unplug all screws, springs, and other small parts are in which they are not loose inside the computer. Before replacing any interconnecting cables. Any such FRUs are listed at the top of ...
...the order in place and are listed. 4. Follow the correct sequence in square callouts. 5. Metallic parts or metal flakes can be removed before the failing FRU. ThinkPad T20, T21, T22 and T23 series 59 Begin by the numbers in the steps for rattling sounds. To put the new FRU in...shown in removing and replacing a FRU. DANGER Before removing any FRU, power off the computer, unplug all screws, springs, and other small parts are in which they are not loose inside the computer. Before replacing any interconnecting cables. Any such FRUs are listed at the top of ...
Hardware Maintenance Manual
Page 66
Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for your computer. Use of the battery. 2 1 60 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Removing and replacing a FRU 1010 Battery pack DANGER Use only the battery in ignition or explosion of an incorrect battery can result in the parts listing for your computer. Use of the battery. 2 1 60 ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Hardware Maintenance Manual
Page 67
Use of an incorrect battery can result in the parts listing for your computer. Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of the battery. 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 an incorrect battery can result in the parts listing for your computer. Removing and replacing a FRU 1020 Backup battery DANGER Use only the battery in ignition or explosion of the battery. 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
Hardware Maintenance Manual
Page 87
Do not push parts (A) and (B) on the keyboard strongly; Replace the screws, using the new screws provided with your thumbs and try to slide the keyboard towards you. Then press the Y key again, hard, to do so might cause distortion of the keyboard is firmly connected. ThinkPad T20, T21, T22 and T23 series 81 Removing and replacing a FRU 3. to make sure that the keyboard is housed firmly, gently press the shift keys with the keyboard. To make sure that the front side of the Ultrabay 2000 slot and the PC Card slot. (A) (B) 4.
Do not push parts (A) and (B) on the keyboard strongly; Replace the screws, using the new screws provided with your thumbs and try to slide the keyboard towards you. Then press the Y key again, hard, to do so might cause distortion of the keyboard is firmly connected. ThinkPad T20, T21, T22 and T23 series 81 Removing and replacing a FRU 3. to make sure that the keyboard is housed firmly, gently press the shift keys with the keyboard. To make sure that the front side of the Ultrabay 2000 slot and the PC Card slot. (A) (B) 4.
Hardware Maintenance Manual
Page 99
Removing and replacing a FRU When installing, do as shown in the figure. a b b b b ThinkPad T20, T21, T22 and T23 series 93 v Make sure that the a -part is firmly attached as follows: v Make sure that all of the latches of the keyboard bezel b are firmly attached.
Removing and replacing a FRU When installing, do as shown in the figure. a b b b b ThinkPad T20, T21, T22 and T23 series 93 v Make sure that the a -part is firmly attached as follows: v Make sure that all of the latches of the keyboard bezel b are firmly attached.
Hardware Maintenance Manual
Page 100
... for T21 series and MT2647-3Cx, -3Ex, -7Cx, -7Ex (T22 series) only. a -part is for T21, T22 series only. Removing and replacing a FRU 1120 Fan assembly For T20, T21, T22 series For access, remove these FRUs, in order: v "... page 74 v "1090 Keyboard CRU insulator" on page 82 1 1 a b 2 Notes: 1. Step 1 Screw (quantity) M2 × 13.5 mm, nylon-coated (4) Torque 0.245 Nm (2.5 kgfcm) (continued) 94 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Other models do not have this bracket.
... for T21 series and MT2647-3Cx, -3Ex, -7Cx, -7Ex (T22 series) only. a -part is for T21, T22 series only. Removing and replacing a FRU 1120 Fan assembly For T20, T21, T22 series For access, remove these FRUs, in order: v "... page 74 v "1090 Keyboard CRU insulator" on page 82 1 1 a b 2 Notes: 1. Step 1 Screw (quantity) M2 × 13.5 mm, nylon-coated (4) Torque 0.245 Nm (2.5 kgfcm) (continued) 94 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Other models do not have this bracket.
Hardware Maintenance Manual
Page 101
Removing and replacing a FRU When installing the fan assembly: For T20 Remove the protective sheet from the thermal rubber on the a -part of the fan as shown in the following figure. For T21, T22 Apply the thermal grease (05K5751) on the fan assembly. a ThinkPad T20, T21, T22 and T23 series 95
Removing and replacing a FRU When installing the fan assembly: For T20 Remove the protective sheet from the thermal rubber on the a -part of the fan as shown in the following figure. For T21, T22 Apply the thermal grease (05K5751) on the fan assembly. a ThinkPad T20, T21, T22 and T23 series 95