Lenovo M90 Betriebsanweisung PDF herunterladen (Seite 28)

3.Locatetheinternalspeaker.See“Locatingcomponents”onpage8.

4.Disconnecttheinternalspeakercablefromthesystemboard.See“Locatingpartsonthesystemboard”

onpage9.

5.Presstheinternalspeakerlocklatch1,slidetheinternalspeakerdownwardstoremoveitfromthe

chassis.

Figure17.Removingtheinternalspeaker

6.Positionthenewinternalspeakerintothemetalclips2andpushtheinternalspeakerupwardsuntilitis

securedbythelocklatch1.

7.Connectthenewinternalspeakercabletothesystemboard.See“Locatingpartsonthesystemboard”

onpage9.

Whattodonext:

•Toworkwithanotherpieceofhardware,gototheappropriatesection.

•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage25

ReplacingthefrontaudioandUSBassembly

Attention:

Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”

intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre

SafetyandWarrantyGuide,goto:

http://www.lenovo.com/support

ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.

ToreplacethefrontaudioandUSBassembly,dothefollowing:

1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect

allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.

2.Openthecomputercover.See“Openingthecomputercover”onpage12.

3.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage12.

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Lenovo M90 Betriebsanweisung Seite 28