Toshiba PROL550 Manual

A SERVICE OF

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2TroubleshootingProcedures

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SatelliteL550/ProL550SeriesMaintenanceManual

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Procedure4 Diagnosticcheck

Thepowersupplymaynotchargethebatterypack.Performthefollowingprocedures:

1. Reinstallthebatterypack.

2. AttachtheACadaptorandturnonthepower.Ifyoucannotturnonthepower,goto

Procedure5.

3. RuntheDiagnostictestfollowingtheproceduresdescribedinChapter3,Testsand

Diagnostics.Ifnoproblemisdetected,thebatteryisfunctioningnormally.

Procedure5 Replacementcheck

Thesystemboardmaybedisconnectedordamaged.Disassemblethecomputerfollowingthe

stepsdescribedinChapter4,ReplacementProcedures.ChecktheconnectionbetweentheAC

adaptorandthesystemboard.Aftercheckingtheconnection,performCheck1:

Check1 Useamulti-metertomakesurethatthefusesonthesystemboardarenotblown.

Ifafuseisnotblown,gotoCheck2.Ifafuseisblown,gotoCheck3.

Check2 Makesurethatthebatterycableisfirmlyconnectedtothesystemboard.Ifitis

connectedfirmly,gotoCheck3.

Check3 Thesystemboardmaybedamaged.Replaceitwithanewonefollowingthe

instructionsinChapter4.

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