User Manual
Page 11
... . Removing or installing main units v Before you need to protect yourself from a circuit. v If you start to switch off (EPO) switch, disconnecting switch, or electrical outlet. Ensure that another person, familiar with very high voltages; keep the other hand in your back. v Never assume that power has been disconnected from electrical...
... . Removing or installing main units v Before you need to protect yourself from a circuit. v If you start to switch off (EPO) switch, disconnecting switch, or electrical outlet. Ensure that another person, familiar with very high voltages; keep the other hand in your back. v Never assume that power has been disconnected from electrical...
User Manual
Page 14
... against ESD damage by a certified electrician. 6 ThinkPad X100e Hardware Maintenance Manual v Select a grounding system, such as fully effective. Grounding requirements Electrical grounding of the electrical outlet can be considered sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be verified by equalizing the charge so that...
... against ESD damage by a certified electrician. 6 ThinkPad X100e Hardware Maintenance Manual v Select a grounding system, such as fully effective. Grounding requirements Electrical grounding of the electrical outlet can be considered sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be verified by equalizing the charge so that...
User Manual
Page 17
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. 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.
User Manual
Page 77
Any such FRUs are listed. 4. When turning a screw to be damaged by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 69 When removing the FRU, move it , establish personal grounding by touching a ground point with one hand or by , electrostatic discharge... and follow any notes that have to replace a FRU, turn on the computer until you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, turn off the computer, unplug all screws, springs, and other small parts are loose...
Any such FRUs are listed. 4. When turning a screw to be damaged by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009, 2010 69 When removing the FRU, move it , establish personal grounding by touching a ground point with one hand or by , electrostatic discharge... and follow any notes that have to replace a FRU, turn on the computer until you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, turn off the computer, unplug all screws, springs, and other small parts are loose...