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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...to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. v The product-specific section includes service, reference, and product-specific parts information. Before servicing an IBM ThinkPad product, be sure to ...information" on page 13, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2002 iii 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...
...to troubleshoot problems. The manual is intended for IBM ThinkPad T20, T21, T22, T23 (MT2647, 2648), and ThinkPad Dock (MT2631) products. v The product-specific section includes service, reference, and product-specific parts information. Before servicing an IBM ThinkPad product, be sure to ...information" on page 13, and "Laser compliance statement" on page 18. © Copyright IBM Corp. 2002 iii 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...
Hardware Maintenance Manual
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Contents About this manual iii Introduction 1 Important service information 1 Strategy for replacing FRUs 1 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 ... 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 ... pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
Contents About this manual iii Introduction 1 Important service information 1 Strategy for replacing FRUs 1 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 ... 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 ... pack 60 1020 Backup battery 61 © Copyright IBM Corp. 2002 v
Hardware Maintenance Manual
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... the adapter or device, remove the FRUs, one by one FRU, any diskette fixes. Customers in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in this manual. then, when service has been completed, verify that changed the symptoms. Attention: The setup configuration on the... IBM support site http://www.ibm.com/pc/support Advise customers to contact the PC Company HelpCenter at 800-565-3344 ...
... the adapter or device, remove the FRUs, one by one FRU, any diskette fixes. Customers in Canada should call IBM HelpPC at 800-772-2227 if they need assistance in this manual. then, when service has been completed, verify that changed the symptoms. Attention: The setup configuration on the... IBM support site http://www.ibm.com/pc/support Advise customers to contact the PC Company HelpCenter at 800-565-3344 ...
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... section. Pour ce faire, secouez l'unité et assurez-vous qu'aucun bruit suspect ne se produit. Safety notices Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate multilingual, translated safety notice found in English, French, German, Italian, and Spanish. Der...
... section. Pour ce faire, secouez l'unité et assurez-vous qu'aucun bruit suspect ne se produit. Safety notices Safety notices: multilingual translations In this manual, safety notices appear in English with a page number reference to the appropriate multilingual, translated safety notice found in English, French, German, Italian, and Spanish. Der...
Hardware Maintenance Manual
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..., check the narrative descriptions of symptoms. If the symptom is not correct. ThinkPad T20, T21, T22 and T23 series 49 Charge the battery pack. 2. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in sequence 0175 Bad CRC1, stop POST task-The...
..., check the narrative descriptions of symptoms. If the symptom is not correct. ThinkPad T20, T21, T22 and T23 series 49 Charge the battery pack. 2. Note For an IBM device not supported by diagnostic codes in the ThinkPad notebook computers, see the manual for each error detected in sequence 0175 Bad CRC1, stop POST task-The...