ThinkPad R500の取扱説明書・マニュアル [全226ページ 6.93MB]
43y6631_02.pdf
gizport - 2014-02-26
http://download.lenovo.com/.../43y6631_02.pdf - 6.93MB
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226page / 6.93MB
Checking operational chargingTo check whether the battery charges properly during operation, use a dischargedbattery pack or a battery pack that has less than 50% of the total power remainingwhen installed in the computer.Perform operational charging. If the battery status indicator or icon does not turnon, remove the battery pack and let it return to room temperature. Reinstall thebattery pack. If the charge indicator or icon still does not turn on, replace thebattery pack.If the charge indicator still does not turn on, replace the system board. Thenreinstall the battery pack. If it is still not charged, go to the next section.Checking the battery packBattery charging does not start until the Power Manager Battery Gauge shows thatless than 96% of the total power remains; under this condition the battery pack cancharge to 100% of its capacity. This protects the battery pack from beingovercharged or from having a shortened life.To check your battery, move your cursor to the Power Manager Battery Gauge iconin the icon tray of the Windows taskbar and wait for a moment (but do not click),and the percentage of battery power remaining is displayed. To get detailedinformation about the battery, double-click the Power Manager Battery Gauge icon.Note:If the battery pack becomes hot, it may not be able to charge. Remove itfrom the computer and leave it at room temperature for a while. After it coolsdown, reinstall and recharge it.To check the battery pack, do the following:1.Power off the computer.2.Remove the battery pack and measure the voltage between battery terminals 1(+) and 7 (-). See the following figure:1(+)2(+)3456(-)7(-)Terminal Voltage (V dc)1 + 0 to + 12.67 Ground (-)3.If the voltage is less than +11.0 V dc, the battery pack has been discharged.Note:Recharging will take at least 3 hours, even if the indicator does not turnon.If the voltage is still less than +11.0 V dc after recharging, replace the battery.4.If the voltage is more than +11.0 V dc, measure the resistance between batteryterminals 5 and 7. The resistance must be 4 to 30 K .If the resistance is not correct, replace the battery pack. If the resistance iscorrect, replace the system board.General checkout 53
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