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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Checking the backup batteryDo the following:1.Power off the computer, and unplug the ac adapter from it.2.Turn the computer upside down.3.Remove the battery pack (see "1010 Battery pack" on page 84).4.Remove the backup battery (see "1090 Backup battery" on page 99).5.Measure the voltage of the backup battery. See the following figure.Red (+)Black (-)Wire Voltage (V dc)Red +2.5 to +3.2Black GroundvIf the voltage is correct, replace the system board.vIf the voltage is not correct, replace the backup battery.vIf the backup battery discharges quickly after replacement, replace the systemboard.54 ThinkPad R500 Hardware Maintenance Manual
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