User Manual
Page 11
... tester. - v Regularly inspect and maintain your work on a machine that supplies power to the machine, and to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Always look carefully for possible hazards in the off position. Safety information 3 Some hand tools have , near you may prevent a current from grounds such as...
... tester. - v Regularly inspect and maintain your work on a machine that supplies power to the machine, and to switch off (EPO) switch, disconnecting switch, or electrical outlet. v Always look carefully for possible hazards in the off position. Safety information 3 Some hand tools have , near you may prevent a current from grounds such as...
User Manual
Page 14
... ESD damage by a certified electrician. 6 ThinkPad R500 Hardware Maintenance Manual Most clothing is desirable but not necessary. - Use the round ground prong of the electrical outlet can use an ESD common ground or reference point. v Use a grounded work mat to electrostatic discharge (ESD.) ESD damage can occur when there is a difference...
... ESD damage by a certified electrician. 6 ThinkPad R500 Hardware Maintenance Manual Most clothing is desirable but not necessary. - Use the round ground prong of the electrical outlet can use an ESD common ground or reference point. v Use a grounded work mat to electrostatic discharge (ESD.) ESD damage can occur when there is a difference...
User Manual
Page 17
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. 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 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. 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 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 91
.... Attention: After replacing a FRU, do not turn on the computer until you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that have to replacement. Verify this by removing any FRU, review "FRU ...establish personal grounding by touching a ground point with one hand or by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Attention: The system board is sensitive to observe the following general rules: 1. Begin by shaking the computer gently and listening...
.... Attention: After replacing a FRU, do not turn on the computer until you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any notes that have to replacement. Verify this by removing any FRU, review "FRU ...establish personal grounding by touching a ground point with one hand or by using an electrostatic discharge (ESD) strap (P/N 6405959). © Copyright Lenovo 2008, 2009 83 Attention: The system board is sensitive to observe the following general rules: 1. Begin by shaking the computer gently and listening...