PN-K321/K322B HARDWARE DESCRIPTIONS 8 - 2
■ MAJOR COMPONENT PARTS AND THEIR FUNCTIONS
No Description
IC701 Audio amplifier This activates the headphone or the speaker by receiving I2C audio signal from IC200.
IC801 DSP for sampling the audio This samples the analog signal by the line input and transfers the analog signal to the
digital signal. The transferred signal is sent to IC200 by I2C.
IC501 Port processor of HDM This receives the signals from two HDMI connectors and handles and sends them to
IC200 and IC1400. Or, this sends signals of two HDMI connectors to IC200 and IC1400.
IC200 Scaler IC chip This receives DP2 signal or HDMI signal, scales or handles by double speed and output the left
half part of QFDH (Quad Full High Definition). The video output format is 960 x 2160. When these ICs input
DP2 signals, these ICs receive QFDH signal and send it to IC1400. At this moment, this reads the data of left half
part of the monitor and displays the data. When these ICs input 30Hz HDMI signals, these reads the data of all
part of the monitor. When these ICs input 60Hz HDMI signals, these reads the data of half part of the monitor.
Then, displays the data.
IC401,IC402 Frame memory of IC200 operation
IC1400 Scaler IC chip This receives DP2 signal or HDMI signal, scales or handles by double speed and output the left
half part of QFDH (Quad Full High Definition). The video output format is 960 x 2160. When these ICs input DP2
signals, these ICs receive QFDH signal and display only right half part of the monitor. When these ICs input 30Hz
HDMI signals, these reads the data of all part of the monitor. When these ICs input 60Hz HDMI signals, these
reads the data of half part of the monitor. Then, displays the data.
IC2101,IC2102 Frame memory of IC1400 operation
IC2400 CPLD This controls the sequence of starting up the power, the power of each part of the machine or each IC.
IC2500 Controls the arm microcomputer and the whole system.
:’13/Dec
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