Toshiba SATEGO L300D Manual

A SERVICE OF

next previous

2Troubleshooting 2.3PowerSupply

2-8 SatelliteL300D/L305D/SatelliteProL300D/EQUIUML300D/SATEGOL300DMaintenanceManual

Procedure2ConnectionCheck

Powerissuppliedtothesystemboardasillustratedbelow:

AC

adaptor

Systemboard

ACpowercord

ACadaptorcord

Batterypack





Followthestepsbelowtocheckwhethereachconnectorhasbeenconnectedcorrectly:

Check1 MakesuretheACadaptorandACpowercordhavebeenfirmlyplugged

intotheDCINsocketandwalloutlet,respectively.Whentheyhavebeen

connectedcorrectly,performCheck2.

Check2 ConnectanewACadaptorandACpowercord.

• IftheDCINLEDdoesnotgoon,gotoProcedure3.

• IfthebatteryLEDdoesnotgoon,performCheck3.

Check3 Makesurethebatterypackhasbeencorrectlyinstalledinthecomputer.If

thebatteryLEDdoesnotgoonwhilethebatterypackhasbeeninstalled

correctly,gotoProcedure3.

Procedure3ReplacementCheck

Thesystemboard,powersupplyboard,orCPUmaybefaulty.Disassemblethecomputer

accordingtoChapter4andfollowthestepsbelow:



Check1 Replacethepowersupplyboardwithanewone.Ifthebatterypackisstill

notworkingproperly,performCheck2.



Check2 Replacethesystemboardwithanewone.Ifthebatterypackisstillnot

workingproperly,performCheck3.



Check3 ReplacetheCPUwithanewone.