Lenovo ThinkCentre Edge - Replacing the Internal Speakers

Replacingtheinternalspeakers
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreEdgeSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtaina
copyoftheThinkCentreEdgeSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacetheinternalspeakers.
Toreplacetheinternalspeakers,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandthecomputer.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtothecomputer.
2.Placeasoft,cleantowelorclothonthedeskorotheratsurface.Holdthesidesofyourcomputerand
gentlylayitdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
3.Removethecomputercover.See“Removingthecomputercover”onpage95.
4.Locatetheinternalspeakersinthecomputer.See“FRUlocations”onpage86.
5.Removethesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
6.Notethelocationoftheinternalspeakercableconnectionandtheroutingoftheinternalspeakercables.
Disconnecttheinternalspeakercablesfromthesystemboard.
7.Removethetwoscrewsthatsecureeachinternalspeakertothefrontbezel,andthenremovethe
internalspeakersfromthecomputer.
Figure38.Removingtheinternalspeakers
8.Routethenewinternalspeakercables,andthenpositionthenewinternalspeakersonthefrontbezelso
thatthetwoscrewholesineachinternalspeakeralignwiththoseinthefrontbezel.
9.Reinstallthetwoscrewstosecureeachoftheinternalspeakerstothefrontbezel.
10.Connecttheinternalspeakercablestothesystemboard.See“Systemboardpartsandconnectors”
onpage88.
11.Reinstallthesystemboardshield.See“Removingandreinstallingthesystemboardshield”onpage102.
12.Goto“Completingthepartsreplacement”onpage125.
116ThinkCentreEdgeHardwareMaintenanceManual