Error!UsetheHometabtoapply2tothetextthatyouwanttoappearhere.Error!Usethe
Hometabtoapply2tothetextthatyouwanttoappearhere. 4ReplacementProcedures
QosmioF50MaintenanceManual 4-1

4.1 General

ThischapterexplainshowtodisassemblethecomputerandreplaceFieldReplaceableUnits
(FRUs).SomereplacementproceduresmaynotrequireyoutoremoveallthesurroundingFRUs
toreplaceonlyoneFRU.ThechartbelowshowstheFRUsintheorderinwhichtheyshouldbe
removedinatop-downmanner,irrespectiveoftheirphysicallocations.TheFRUsshowninthe
topareaofthechartshouldnormallyberemovedbeforeremovingtheFRUsshowninthebottom
area.ToreplacetheFRUs,firstidentifythesuspectFRUforthesystemfailure.Next,according
tothischart,determinetheFRUsthatneedtoberemovedbeforeremovingthesuspectFRU.
AfteryoudeterminethoseFRUs,gototheappropriatesectionsaccordingtothesectionnumbers
shownintheboxes.Thenstartremovalandreplacement.