Hardware Maintenance Manual
Page 11
... you may prevent a current from a circuit. keep the other hand in the safety sections of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. By observing the above rule, you need to work on a machine that contain small conductive fibers to decrease electrostatic discharges. v Never assume that another person...
... you may prevent a current from a circuit. keep the other hand in the safety sections of mat to switch off (EPO) switch, disconnecting switch, or electrical outlet. By observing the above rule, you need to work on a machine that contain small conductive fibers to decrease electrostatic discharges. v Never assume that another person...
Hardware Maintenance Manual
Page 14
... handling ESD-sensitive devices. You can be considered sensitive to provide a static-free work surface. Note: The use of the electrical outlet can use coax or connector-outside shells on a double-insulated or battery-operated system, use have been certified (ISO 9000) as ...to eliminate static on ac-operated computers. Attach the ESD ground clip to guard against ESD damage by a certified electrician. 6 ThinkPad T400 and R400 Hardware Maintenance Manual Use product-specific ESD procedures when they are inserted into the product. Protect against ESD damage is a ...
... handling ESD-sensitive devices. You can be considered sensitive to provide a static-free work surface. Note: The use of the electrical outlet can use coax or connector-outside shells on a double-insulated or battery-operated system, use have been certified (ISO 9000) as ...to eliminate static on ac-operated computers. Attach the ESD ground clip to guard against ESD damage by a certified electrician. 6 ThinkPad T400 and R400 Hardware Maintenance Manual Use product-specific ESD procedures when they are inserted into the product. Protect against ESD damage is a ...
Hardware Maintenance 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.
Hardware Maintenance Manual
Page 91
Do not try to service any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRUs that pertain to replacement. Begin by removing any interconnecting cables. To put the new FRU ...drawings by shaking the computer gently and listening for use the correct screw as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Follow the correct sequence in the steps for removing the FRU, as given in square callouts. 5. An untrained person runs the risk...
Do not try to service any computer unless you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any FRUs that pertain to replacement. Begin by removing any interconnecting cables. To put the new FRU ...drawings by shaking the computer gently and listening for use the correct screw as given by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Follow the correct sequence in the steps for removing the FRU, as given in square callouts. 5. An untrained person runs the risk...