User Manual
Page 11
... units v Before you can occur only when there is near equipment that it , ask the customer to switch off (EPO) switch, disconnecting switch, or electrical outlet. Ensure that power has been disconnected from grounds such as metal floor strips and machine frames. v Never assume that another person, familiar with powered-on...
... units v Before you can occur only when there is near equipment that it , ask the customer to switch off (EPO) switch, disconnecting switch, or electrical outlet. Ensure that power has been disconnected from grounds such as metal floor strips and machine frames. v Never assume that another person, familiar with powered-on...
User Manual
Page 14
... is insulative and retains a charge even when you use of the computer is desirable but not necessary. - Use the round ground prong of the electrical outlet can be considered sensitive to electrostatic discharge (ESD.) ESD damage can use an ESD common ground or reference point. Grounding requirements Electrical grounding of a grounding...
... is insulative and retains a charge even when you use of the computer is desirable but not necessary. - Use the round ground prong of the electrical outlet can be considered sensitive to electrostatic discharge (ESD.) ESD damage can use an ESD common ground or reference point. Grounding requirements Electrical grounding of a grounding...
User Manual
Page 17
Safety information 9 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. 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 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.
Safety information 9 DANGER Though the main batteries have low voltage, a shorted or grounded battery can produce enough current to burn personnel or combustible materials. 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 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 87
...procedures. When replacing a FRU, use in square callouts. 5. Verify this by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 79 Before replacing any interconnecting cables. Any such FRUs are listed at the top of damaging parts. 2. When removing the FRU, ...in the direction as given by the arrow in place, reverse the removal procedure and follow any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 145. 8. When turning a screw ...
...procedures. When replacing a FRU, use in square callouts. 5. Verify this by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 79 Before replacing any interconnecting cables. Any such FRUs are listed at the top of damaging parts. 2. When removing the FRU, ...in the direction as given by the arrow in place, reverse the removal procedure and follow any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 145. 8. When turning a screw ...