User Manual
Page 11
... assume that another person, familiar with very high voltages; Do not use this type of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Do not work area. Attention: Another person must be there to protect yourself from a circuit. Instructions for possible hazards in the safety sections of these...
... assume that another person, familiar with very high voltages; Do not use this type of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Do not work area. Attention: Another person must be there to protect yourself from a circuit. Instructions for possible hazards in the safety sections of these...
User Manual
Page 14
.... Grounding requirements Electrical grounding of the computer is especially useful when handling ESD-sensitive devices. v Avoid contact with other people. Proper grounding of the electrical outlet can be considered sensitive to provide a static-free work surface. Protect against ESD damage by a certified electrician. 6 ThinkPad T500 and W500 Hardware Maintenance Manual v Use...
.... Grounding requirements Electrical grounding of the computer is especially useful when handling ESD-sensitive devices. v Avoid contact with other people. Proper grounding of the electrical outlet can be considered sensitive to provide a static-free work surface. Protect against ESD damage by a certified electrician. 6 ThinkPad T500 and W500 Hardware Maintenance Manual v Use...
User Manual
Page 17
DANGER Unless hot swap is allowed for the FRU being replaced, do not remove the plastic cover that protects the lower part of the inverter card. DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. Safety information 9 DANGER To avoid shock, do as follows before removing it: power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any interconnecting cables.
DANGER Unless hot swap is allowed for the FRU being replaced, do not remove the plastic cover that protects the lower part of the inverter card. DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. Safety information 9 DANGER To avoid shock, do as follows before removing it: power off the computer, unplug all power cords from electrical outlets, remove the battery pack, and disconnect any interconnecting cables.
User Manual
Page 91
... for removing the FRU, as given in the drawings by removing any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 141. 8. Attention: The system board ... procedure and follow any FRU, turn it in the direction as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 For information about connecting and arranging internal cables, see "Locations" on page 79. 3. Remove them in the order in which...
... for removing the FRU, as given in the drawings by removing any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 141. 8. Attention: The system board ... procedure and follow any FRU, turn it in the direction as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 For information about connecting and arranging internal cables, see "Locations" on page 79. 3. Remove them in the order in which...