Lenovo ThinkCentre A70z - Replacing the Inverter; Removing the Inverter

Replacingtheinverter
Attention
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafety
information”intheThinkCentreSafetyandWarrantyGuidethatcamewithyourcomputer.Toobtainacopy
oftheThinkCentreSafetyandWarrantyGuide,goto:
http://www.lenovo.com/support
Thissectionprovidesinstructionsonhowtoreplacetheinverter.
Removingtheinverter
Toremovetheinverter,dothefollowing:
1.Turnoffthecomputer.
2.Disconnectallcables,powercords,andexternaloptionsfromyourcomputer.See“Rearconnectors”
onpage65.
3.Placeasoft,cleantowelorclothonthedeskorsurface.Holdthesidesofyourcomputerandgentlylay
itdownsothatthescreenisagainstthesurfaceandthecoverisfacingup.
4.Removethecomputercover.See“Removingthecomputercover”onpage70.
5.Removetheinvertershieldingbyremovingthescrewthatsecurestheinvertershieldingtothesystem
boardshielding.
6.Disconnectthethreeinvertercables.
7.Removethetwoscrewsthatsecuretheinvertertothesystemboardshielding.Removetheinverter
coverthatcamewiththeinverter.
Chapter8.ReplacingFRUs97