User Manual
Page 11
... use worn or broken tools and testers. Performing a mechanical inspection - v If you cannot unplug it has been powered off (EPO) switch, disconnecting switch, or electrical outlet. keep the other hand in your back. Electrical safety Observe the following precautions: -
... use worn or broken tools and testers. Performing a mechanical inspection - v If you cannot unplug it has been powered off (EPO) switch, disconnecting switch, or electrical outlet. keep the other hand in your back. Electrical safety Observe the following precautions: -
User Manual
Page 14
... useful when handling ESD-sensitive devices. v Prevent the part from touching your body. When working on your clothing. 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...
... useful when handling ESD-sensitive devices. v Prevent the part from touching your body. When working on your clothing. 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 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 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.
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 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.
User Manual
Page 91
... have to observe the following general rules: 1. Attention: The system board is sensitive to service any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 79. 3. DANGER Before removing any FRUs...arrow in square callouts. 5. Before touching it in the direction as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Attention: After replacing a FRU, do not turn on page 141. 8. Do not try to , and can cause electrical short ...
... have to observe the following general rules: 1. Attention: The system board is sensitive to service any notes that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRU, review "FRU replacement notices" on page 79. 3. DANGER Before removing any FRUs...arrow in square callouts. 5. Before touching it in the direction as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Attention: After replacing a FRU, do not turn on page 141. 8. Do not try to , and can cause electrical short ...