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Part 19
Cleaning for Front Ventilation
Use vacuum cleaner to remove any dust or threads accumulation
away from both the ventilation holes on front
cover and ventilation grids on chassis exposed
after removal of the front cover.
Replacing Front Cover
Follow the opposite procedure as removing the front cover to replace
the front cover in position. Please make sure the all hooks on front cover is
well positioned into chassis. Please remember to check that the power switch is
at “Off” position before power and signal connection.
Accessing Side Ventilation Grids
The operation to further clean the side ventilation grids requires much
more highly technical maneuver. Therefore careful attentions must be taken
throughout the further cleaning operations below. When the main unit is
opened, there must be no liquid spill, no electro-conductive material, no
electric charged device come into the area of the main unit. Please also note
that not to touch any component or cable inside.
Please first disconnect every
cable from the main unit and turn the
LCD panel to straight up position.
Prepare enough space in front of the HT
system and lay a piece of clean soft
clothe of appropriate size there to
prevent damage. With the back cable
cover opened, push in the circled spring
button in the right picture on both sides
of chassis and raise the rear edge of the
top cover. Apply some mild maneuver if
there is already a pole display mounted.
Front Ventilation Grids on Chassis
Ventilation Holes on Front Cover
Push The
Spring
Buttons on
Both Sides
and Raise
The Rear Part
of Top Cover