ThinkPad SL410 Hardware Maintenance Manual
Download Hardware maintenance manual of ThinkPad L410 Laptop for Free or View it Online on All-Guides.com. This version of ThinkPad L410 Manual compatible with such list of devices, as: L412, L510, L512, SL410, SL510
Brand: ThinkPad
Category: Laptop
Type: Hardware maintenance manual
Model: ThinkPad L410 , ThinkPad L412 , ThinkPad L510 , ThinkPad L512 , ThinkPad SL410 , ThinkPad SL510
Pages: 284
Checkingthebatterypack
BatterychargingdoesnotstartuntilthePowerManagerBatteryGaugeshowsthatlessthan96%ofthe
totalpowerremains;underthisconditionthebatterypackcanchargeto100%ofitscapacity.Thisprotects
thebatterypackfrombeingoverchargedorfromhavingashortenedlife.
Tocheckyourbattery,moveyourcursortothePowerManagerBatteryGaugeiconintheicontrayofthe
Windowstaskbarandwaitforamoment(butdonotclick),andthepercentageofbatterypowerremaining
isdisplayed.Togetdetailedinformationaboutthebattery,double-clickthePowerManagerBattery
Gaugeicon.
Note:Ifthebatterypackbecomeshot,itmaynotbeabletocharge.Removeitfromthecomputerandleave
itatroomtemperatureforawhile.Afteritcoolsdown,reinstallandrechargeit.
Tocheckthebatterypack,dothefollowing:
1.Poweroffthecomputer.
2.Removethebatterypackandmeasurethevoltagebetweenbatteryterminals1(+)and7(-).Seethe
followinggure:
Terminal
Voltage(Vdc)
1+0to+12.6
7
Ground(-)
1(+)
2(+)
3
4
5
6(-)
7(-)
3.Ifthevoltageislessthan+11.0Vdc,thebatterypackhasbeendischarged.
Note:Rechargingwilltakeatleast3hours,eveniftheindicatordoesnotturnon.
Ifthevoltageisstilllessthan+11.0Vdcafterrecharging,replacethebattery.
4.Ifthevoltageismorethan+11.0Vdc,measuretheresistancebetweenbatteryterminals5and7.
Theresistancemustbe4to30KΩ.Iftheresistanceisnotcorrect,replacethebatterypack.Ifthe
resistanceiscorrect,replacethesystemboard.
Checkingthebackupbattery
Dothefollowing:
1.Poweroffthecomputer,andunplugtheacpoweradapterfromit.
2.Turnthecomputerupsidedown.
3.Removethebatterypack(see“1010Batterypack”onpage59).
4.Removethebackupbattery(see“1130Backupbattery”onpage79).
5.Measurethevoltageofthebackupbattery.Seethefollowinggure.
Wire
Voltage(Vdc)
Red+2.5to+3.2
Black
Ground
Red(+)
Black(-)
36ThinkPadSL410,L410,L412,SL510,L510,andL512HardwareMaintenanceManual