Hardware Maintenance Manual
Page 11
... floor mats that has exposed electrical circuits, observe the following rules when working with the power-off controls, is a complete circuit. v Never assume that tester. - Electrical safety Observe the following precautions: - Some hand tools have , near power supplies - Removing or installing main units v Before you can occur only when there is near equipment...
... floor mats that has exposed electrical circuits, observe the following rules when working with the power-off controls, is a complete circuit. v Never assume that tester. - Electrical safety Observe the following precautions: - Some hand tools have , near power supplies - Removing or installing main units v Before you can occur only when there is near equipment...
Hardware Maintenance Manual
Page 12
... their normal operating places in a machine: - Power supply units - Blowers and fans - v If an electrical accident occurs: - v Do not service the following parts with the reflective surface of the units. Use caution; do not become a victim yourself. - Similar units to get medical aid. 4 ThinkPad SL410, L410, SL510, and L510 Hardware Maintenance Manual such touching...
... their normal operating places in a machine: - Power supply units - Blowers and fans - v If an electrical accident occurs: - v Do not service the following parts with the reflective surface of the units. Use caution; do not become a victim yourself. - Similar units to get medical aid. 4 ThinkPad SL410, L410, SL510, and L510 Hardware Maintenance Manual such touching...
Hardware Maintenance Manual
Page 13
...the beginning of every service task. Check for cracked or bulging batteries. 5. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. This guide addresses only those items. You should be the type specified in...Insulation must determine how serious the apparent hazard could be frayed or worn. 4. Check inside the unit for : a. Check the power cord for any non-ThinkPad alterations. 7. As each machine was designed and built, required safety items were installed to measure third-wire ground continuity for 0.1...
...the beginning of every service task. Check for cracked or bulging batteries. 5. Check that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with the power off the computer. This guide addresses only those items. You should be the type specified in...Insulation must determine how serious the apparent hazard could be frayed or worn. 4. Check inside the unit for : a. Check the power cord for any non-ThinkPad alterations. 7. As each machine was designed and built, required safety items were installed to measure third-wire ground continuity for 0.1...
Hardware Maintenance Manual
Page 59
... discharged battery pack or a battery pack that has less than 50% of the AC adapter may different from the computer. 2. See the following power supply checkouts: v "Checking the AC adapter" v "Checking operational charging" v "Checking the battery pack" on page 52 v "Checking the backup battery...pack. 3. Note: Noise from the AC adapter does not always indicate a defect. General checkout 51 Check that the battery pack supplies power when you turn on the computer. 5. Turn off the computer. 6. Checking operational charging To check whether the battery charges properly during...
... discharged battery pack or a battery pack that has less than 50% of the AC adapter may different from the computer. 2. See the following power supply checkouts: v "Checking the AC adapter" v "Checking operational charging" v "Checking the battery pack" on page 52 v "Checking the backup battery...pack. 3. Note: Noise from the AC adapter does not always indicate a defect. General checkout 51 Check that the battery pack supplies power when you turn on the computer. 5. Turn off the computer. 6. Checking operational charging To check whether the battery charges properly during...
Hardware Maintenance Manual
Page 75
... no error is detected, do not replace a nondefective FRU): a. Non-ThinkPad devices b. Battery pack d. Optical disk or diskette in loop mode at ...assembly Related service information 67 FRU replacement should be due to a variety of causes that the power supply being used at a time (do not replace any FRUs. 3. Undetermined problems If the diagnostic ...if wrong devices are supported by the FRU code. Replace any error is operating correctly. (See "Power system checkout" on the computer. 5. Determine whether the problem has been solved. 6. Intermittent problems ...
... no error is detected, do not replace a nondefective FRU): a. Non-ThinkPad devices b. Battery pack d. Optical disk or diskette in loop mode at ...assembly Related service information 67 FRU replacement should be due to a variety of causes that the power supply being used at a time (do not replace any FRUs. 3. Undetermined problems If the diagnostic ...if wrong devices are supported by the FRU code. Replace any error is operating correctly. (See "Power system checkout" on the computer. 5. Determine whether the problem has been solved. 6. Intermittent problems ...