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6.2 System Circuitry Description
BLOCK A.
In reference
to
the
system
block diagram of the monitor’s
circuitry
shown on the previous page, the analog RGB inputs
are
amplified and sent through an analog-to-digital converter
(ADC)
to a digital signal processor (DSP) that generates digital
RGB
signals for controlling LCA panel.
BLOCK B.
A second power supply converts a single 12V supply to the
various voltages needed to run the LCD panel and the inverter
driving the display’s backlights.
BLOCK C.
SYNC SIGNAL PROCESSOR. This processor determines
the
polarity of the horizontal and vertical sync signals
,
generates
a
fixed-polarity synchronized clock signal and provides data for
use by the microprocessor
i
n selecting circuit control
parameters
from EEPROM tables.
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