User Manual
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... (64 bit) DVDs . . 369 Windows Professional (32 bit) DVDs . . . . 370 Windows Professional (64 bit) DVDs . . . . 372 Common service tools 374 Notices 375 Trademarks 376 iv ThinkPad T400 and R400 Hardware Maintenance Manual
... (64 bit) DVDs . . 369 Windows Professional (32 bit) DVDs . . . . 370 Windows Professional (64 bit) DVDs . . . . 372 Common service tools 374 Notices 375 Trademarks 376 iv ThinkPad T400 and R400 Hardware Maintenance Manual
User Manual
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... This manual contains service and reference information for trained service technicians who are familiar with ThinkPad products. Before servicing a ThinkPad product, be sure to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. ThinkPad T400 MT 2764, 2765, 2766, 2767, 2768, 2769, 2773, 6473, 6474, 6475, 7417, 7420, 7425... along with the advanced diagnostic tests to read all the information under "Safety information" on page 1 and "Important service information" on page 39. © Copyright Lenovo 2008, 2009 v
... This manual contains service and reference information for trained service technicians who are familiar with ThinkPad products. Before servicing a ThinkPad product, be sure to troubleshoot problems. Important: This manual is intended only for the following ThinkPad® products. ThinkPad T400 MT 2764, 2765, 2766, 2767, 2768, 2769, 2773, 6473, 6474, 6475, 7417, 7420, 7425... along with the advanced diagnostic tests to read all the information under "Safety information" on page 1 and "Important service information" on page 39. © Copyright Lenovo 2008, 2009 v
User Manual
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v "General safety" on page 2 v "Electrical safety" on page 3 v "Safety inspection guide" on page 5 v "Handling devices that you need to electrostatic discharge" on page 6 v "Grounding requirements" on page 6 v "Safety notices (multilingual translations)" on page 7 v "Laser compliance statement (multilingual translations)" on page 28 © Copyright Lenovo 2008, 2009 1 Safety information This chapter presents following safety information that are sensitive to be familiar with before you service a ThinkPad Notebook.
v "General safety" on page 2 v "Electrical safety" on page 3 v "Safety inspection guide" on page 5 v "Handling devices that you need to electrostatic discharge" on page 6 v "Grounding requirements" on page 6 v "Safety notices (multilingual translations)" on page 7 v "Laser compliance statement (multilingual translations)" on page 28 © Copyright Lenovo 2008, 2009 1 Safety information This chapter presents following safety information that are sensitive to be familiar with before you service a ThinkPad Notebook.
User Manual
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... conditions that other parts in your hair is too heavy for your feet. 3. Do not obstruct fan louvers or cover them with labels or stickers. 2 ThinkPad T400 and R400 Hardware Maintenance Manual Never move suddenly or twist when you are good electrical conductors. v Before you start the machine, make sure that...
... conditions that other parts in your hair is too heavy for your feet. 3. Do not obstruct fan louvers or cover them with labels or stickers. 2 ThinkPad T400 and R400 Hardware Maintenance Manual Never move suddenly or twist when you are good electrical conductors. v Before you start the machine, make sure that...
User Manual
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Power supply units - Use caution; v If an electrical accident occurs: - Similar units to get medical aid. 4 ThinkPad T400 and R400 Hardware Maintenance Manual The surface is conductive; Motor generators - v Do not touch live electrical circuits with the power on when they are ...
Power supply units - Use caution; v If an electrical accident occurs: - Similar units to get medical aid. 4 ThinkPad T400 and R400 Hardware Maintenance Manual The surface is conductive; Motor generators - v Do not touch live electrical circuits with the power on when they are ...
User Manual
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.... Check exterior covers for worn, frayed, or pinched cables. 9. c. Use good judgment as to measure third-wire ground continuity for any non-ThinkPad alterations. 7. Check for damage (loose, broken, or sharp edges). 2. Safety information 5 Begin the checks with . Checklist: 1. Power off ...third-wire ground connector in the parts list. The power cord should use the following checklist at the beginning of any obvious non-ThinkPad alterations. Remove the cover. 6. Check inside the unit for cracked or bulging batteries. 5. b. Disconnect the power cord. 3. ...
.... Check exterior covers for worn, frayed, or pinched cables. 9. c. Use good judgment as to measure third-wire ground continuity for any non-ThinkPad alterations. 7. Check for damage (loose, broken, or sharp edges). 2. Safety information 5 Begin the checks with . Checklist: 1. Power off ...third-wire ground connector in the parts list. The power cord should use the following checklist at the beginning of any obvious non-ThinkPad alterations. Remove the cover. 6. Check inside the unit for cracked or bulging batteries. 5. b. Disconnect the power cord. 3. ...
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... retains a charge even when you use coax or connector-outside shells on ac-operated computers. v Wear a grounded wrist strap against ESD damage by a certified electrician. 6 ThinkPad T400 and R400 Hardware Maintenance Manual v Use a grounded work mat to provide a static-free work mat, and the person handling the part are all at...
... retains a charge even when you use coax or connector-outside shells on ac-operated computers. v Wear a grounded wrist strap against ESD damage by a certified electrician. 6 ThinkPad T400 and R400 Hardware Maintenance Manual v Use a grounded work mat to provide a static-free work mat, and the person handling the part are all at...
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DANGER Before the computer is powered on your eyes or on after washing. 8 ThinkPad T400 and R400 Hardware Maintenance Manual Use of an incorrect battery can result in ignition or explosion of nickel and cadmium. DANGER Some standby batteries ...
DANGER Before the computer is powered on your eyes or on after washing. 8 ThinkPad T400 and R400 Hardware Maintenance Manual Use of an incorrect battery can result in ignition or explosion of nickel and cadmium. DANGER Some standby batteries ...
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...those drives. Opening the CD-ROM drive, the DVD-ROM drive, or any other optical storage device could result in exposure to the beam. 28 ThinkPad T400 and R400 Hardware Maintenance Manual Elsewhere, the drive is certified in the U.S. Do not open . A CD-ROM drive, a DVD-ROM drive... visible and invisible laser radiation when open . to conform to the requirements of the Department of Health and Human Services 21 Code of ThinkPad Notebook are equipped from the factory with optical instruments, and avoid direct exposure to hazardous laser radiation. There are no serviceable parts inside ...
...those drives. Opening the CD-ROM drive, the DVD-ROM drive, or any other optical storage device could result in exposure to the beam. 28 ThinkPad T400 and R400 Hardware Maintenance Manual Elsewhere, the drive is certified in the U.S. Do not open . A CD-ROM drive, a DVD-ROM drive... visible and invisible laser radiation when open . to conform to the requirements of the Department of Health and Human Services 21 Code of ThinkPad Notebook are equipped from the factory with optical instruments, and avoid direct exposure to hazardous laser radiation. There are no serviceable parts inside ...
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... FRUs: v If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before you are servicing. 40 ThinkPad T400 and R400 Hardware Maintenance Manual Improper handling of the error. Be extremely careful during write operations such as copying, saving, or formatting. How to...
... FRUs: v If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before you are servicing. 40 ThinkPad T400 and R400 Hardware Maintenance Manual Improper handling of the error. Be extremely careful during write operations such as copying, saving, or formatting. How to...