Lenovo ThinkStation D20 Manual do Utilizador descarregar pdf (Página 30)

6.Removethesixpowersupplyretainingscrewsattherearofthechassisandinsidethechassis.

Figure23.Removingthepowersupplyretainingscrews

7.Slidethepowersupplyassemblytowardthefrontofthecomputerandliftitoutfromthechassis.

8.Ensurethatthenewpowersupplyisthecorrectreplacement.Somepowersuppliesautomatically

sensethevoltage,somepowersuppliesarevoltagespecic,andsomepowersupplieshavea

voltage-selectionswitch.Ifthereisavoltage-selectionswitch,useaballpointpentoslidetheswitch,if

necessary.

Note:Formodelsthathaveavoltage-selectionswitch:

•Ifthevoltagesupplyrangeis100–127VAC,settheswitchto115V.

•Ifthevoltagesupplyrangeis200–240VAC,settheswitchto230V.

9.Installthenewpowersupplyintothechassissothatthescrewholesinthepowersupplyalignwith

thoseinthechassis.

Note:UseonlythescrewsprovidedbyLenovo.

10.Installandtightenthefourscrewsattherearofthechassistosecurethepowersupply.

11.Installandtightenthetwoscrewsthatsecurethepowersupplytotheinsideofthechassis.

12.Reconnectallpowersupplycablestothedrives,adaptercards,andthesystemboard.Makesureto

reconnectthepowercabletothegraphicscardsthatrequireanadditionalcable.

13.GotoChapter4“Completingthepartsreplacement”onpage45.

24ThinkStationHardwareInstallationandReplacementGuide

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Lenovo ThinkStation D20 Manual do Utilizador Página 30