ReplacingthefrontaudioandUSBassembly
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.ToobtainacopyoftheThinkCentre
SafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
ThissectionprovidesinstructionsonhowtoreplacethefrontaudioandUSBassembly.
ToreplacethefrontaudioandUSBassembly,dothefollowing:
1.Removethecomputercover.See“Removingthecomputercover”onpage68.
2.Removethefrontbezel.See“Removingandreinstallingthefrontbezel”onpage71.
3.DisconnectthefrontaudioandUSBassemblycablesfromthesystemboard.See“Locatingpartson
thesystemboard”onpage70.
4.NotethefrontaudioandUSBassemblycablesroutingandremovethescrewthatsecuresthefront
audioandUSBassemblytothechassis.
Figure36.RemovingthefrontaudioandUSBassembly
5.RemovethefrontaudioandUSBassembly.
6.RoutethecablesforthenewfrontaudioandUSBassemblythroughtheholeinthechassistothe
systemboard.
7.InstallthenewfrontaudioandUSBassemblyintothechassisandsecureitwiththescrew.
8.ConnectthenewfrontaudioandUSBassemblycablestothesystemboard.See“Locatingpartsonthe
systemboard”onpage70.
9.Reinstallthefrontbezel.
10.Tocompletethereplacement,goto“CompletingtheFRUreplacement”onpage97.
96ThinkCentreHardwareMaintenanceManual