4. Unscrew 1 screw (as blue circle) from
the IO Cover.
5. Unscrew 4 hex screws (as green circle)
from the IO Cover.
6. Unplug 1 connector (as orange square).
7. Separate the Main Board Module
and Main Board Shielding.
Note: - Make sure cables plug into the correct
ports when assembling the unit.
Main Board Shielding
ES523ST/EW533ST
Confidential
2-