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2 . 1
The hardware of LCP is distinguished in the optical system and the electrical system.
The lower level beyond the breaking line in the Figure shows the optical system, and
the upper level shows the electrical system.
Power supply
UNIT
Generates DC
voltage
for the electric
circuit.
Generates DC
voltage
fo
the Light Source.
EXHAUST FAN
2
LAMP HOUSING
(Projection process outline)
signal is provided in digital or analog from a computer through the interface
board (Analog signal should be once changed into digital signal by the main board.)
signal (digital) is once stored in the video memory on the main board then the
driver board generates signals to drive the light valves R/G/B.
light valves R/G/B are individual panels each others. They work to shut or
transmit the lights from the light valve block.
lights transmitted through the light valves will be combined the prism and
projected through the lens unit.
MAIN BOARD
Generate the Light Valve
R/G/B memory and the drive
signal.
Conduct setting of the initial
operation of circuit and
control the interface.
Conduct the internal control
(Sensor, Fan, Speaker,
Remote Controller)
LIGHT VALVE
LIGHT VALVE
Note:
BLOCK Divide the
of R/G/B (LCD panel)
light Into 3
by
Lens, filter, and Mirror
Note:
heated air around the light source.
Figure
2-l
D e t e c t
t h e
IRS232 /remote
PRISM
LENS UNIT
Focus/Zoom
- t - c o m p o s i t e
Cooling fan cools the light valves
Exhaust fan exhausts mainly the
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