Samsung SL-M4580FX - Main Board

3.DisassemblyandReassembly
3.3.9.MainBoard
1.Removetherightcover.(Referto3.3.3.)
2.RemovetheHDD.(Referto3.3.7.
)
3.Unplugallcablesonmainboard.Thenreleasethe
cablesfromtheharnessguide.
4.Removetheharnessguideafterremoving2screws.
5.Remove4screws.Thenreleasethemainboard.
NOTE
•Whenamainboardneedstobeexchanged,the
MSOKPBAshouldbere-installedtothenewmain
boardtoretainthesysteminformation.
•ShadingTestforDSDFUnitmustbecarriedout,
afterreplacingthemainboard.(Referto4.5.5.3
)
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