4.1General  4ReplacementProcedures
SatelliteL300D/L305D/SatelliteProL300D/EQUIUML300D/SATEGOL300D
MaintenanceManual
4-1
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.
4.7
TopCover
4.2
HDD
4.3
ODDBayMod ule
4.18
TouchPada nd
TouchPadB oard
4.6
Wireles sLANCard
4.4
Keyboar d
4.8
DisplayA ssembly
4.9
SystemBo ard,AC-I NcableandO DDExtend edBoard
4.12
DisplayM ask
4.13
FLInvert erBoard
4.15
LCDModul es
4.10
CoolingM odule
andFan
4.11
CPU
4.17
USBcabl e,CRT
cable,P owerBut on
Board,A C-INcabl e
andRJ11c able
t
4.16
Speaker s
4.5
MDCModul e
4.14
CCDBoarda ndMIC
SystemBoa rd
LCDModule
4.7
TopCover
4.2
HDD
4.3
ODDBayModu le
4.17
TouchPadan d
TouchPadBo ard
4.6
WirelessL ANCard
4.4
Keyboard
4.8
DisplayAs sembly
4.9
SystemBoa rd,AC-INcab leandODDExt endedBoard
4.12
DisplayMa sk
4.13
FLInverte rBoard
4.15
LCDModule s
4.10
CoolingMo dule
andFan
4.11
CPU
4.16
Speakers
4.5
MDCModule
4.14
CCDBoardan dMIC
4.18
USBcable,C RT
cable,Pow erBut on
Board,AC- INcable
andRJ11cab le
t

Howtousethechart(twoexamples):
•ForremovingtheSystemBoard:
First,removethetopcoverwiththe
displayassembly.Then,removethe
HDD,selectablebaymodule,
Bluetoothcard,keyboard,and
wirelessLANcard,allofwhichare
shownabovethetopcoverwiththe
displayassembly.
•ForremovingtheLCDModule:
First,removethedisplaymaskand
FLinverterboard,bothofwhichare
shownabovetheLCDmodule.