IBM THINKPAD L460 - 1190 System Board and Subcards

Removalstepsofthesmart-cardbracket
1
1
1
1
2
StepScrew(quantity)Color
Torque
1
M2×3mm,flat-head,nylon-coated(4)
Black0.181Nm
(1.85kgf-cm)
2
M2×5mm,flat-head,nylon-coated(1)Silver
0.181Nm
(1.85kgf-cm)
3
1190Systemboardandsubcards
Importantnoticesforhandlingthesystemboard
Whenhandlingthesystemboard,readthefollowing:
•Thesystemboardhasanaccelerometer,whichcanbebrokenwhenseveralthousandsofG-forces
areapplied.
Note:Droppingasystemboardfromaheightofaslittleas6inchessothatitfallsflatonahardbench
cansubjecttheaccelerometertoasmuchas6000G'sofshock.
•Becarefulnottodropthesystemboardonabenchtopthathasahardsurface,suchasmetal,wood,or
composite.
•Avoidroughhandlingofanykind.
•Ateverypointintheprocess,besurenottodroporstackthesystemboard.
•Ifyouputasystemboarddown,besuretoputitonlyonapaddedsurfacesuchasanESDmatora
corrugatedconductivematerial.
Foraccess,removetheseFRUsinorder:
•“1010SIM-cardtray”onpage62
92ThinkPadL460HardwareMaintenanceManual