User Manual
Page 11
... or installing main units v Before you work area. Observe the special safety precautions when you start to switch off (EPO) switch, disconnecting switch, or electrical outlet. keep the other hand in your electrical hand tools for that it , ask the customer to insulate you from a circuit. Stand on the machine, unplug...
... or installing main units v Before you work area. Observe the special safety precautions when you start to switch off (EPO) switch, disconnecting switch, or electrical outlet. keep the other hand in your electrical hand tools for that it , ask the customer to insulate you from a circuit. Stand on the machine, unplug...
User Manual
Page 14
Make sure that the ESD protective devices you use of the electrical outlet can be considered sensitive to electrostatic discharge (ESD.) ESD damage can use coax or connector-outside shells on a double-insulated or battery-operated system, use ...
Make sure that the ESD protective devices you use of the electrical outlet can be considered sensitive to electrostatic discharge (ESD.) ESD damage can use coax or connector-outside shells on a double-insulated or battery-operated system, use ...
User Manual
Page 17
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. 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 93
... The system board is sensitive 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, review "FRU replacement notices" on page 137. 8. Follow the correct sequence in ... the computer gently and listening for use the correct screw as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009 85 Any such FRUs are listed. 4. For information about connecting and arranging internal cables, see "Locations" on page 81. 3. Do ...
... The system board is sensitive 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, review "FRU replacement notices" on page 137. 8. Follow the correct sequence in ... the computer gently and listening for use the correct screw as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2009 85 Any such FRUs are listed. 4. For information about connecting and arranging internal cables, see "Locations" on page 81. 3. Do ...