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picture processing assy'. The sound SIF signal is sent to foot 67 of ICN402 MSP3410G for
sound processing. The output signal from Pin28,Pin27 of N401MSP3410G is output to
sound amplification N404TDA7268(20"TPATP1517). After amplification, it is sent
speaker.
Input signals to main board include RGB signals from RF, video signal assy', VGA
signal from personal computer. The 2:1 switches ICN5 BA7657F of five routs select R,G,B
signals and then send them to main processor IC PW1306.
PW1306 is a main processing IC built-in type X86 CPU, with outer memory 8M
Flash(N20)and controls the whole system. The input signal from V-port and G-port is
subject to internal arithmetic process and then output in R,G,B of 24 bit TTL to sockets
JP3,JP4. Through connection line the signal is sent to CMO LCD screen port for the
realization of the picture re-display.
Converter DS90C383A/DS90CF383A LVDS converts CMOS/TTL data of 28
digit(DRE<7:0>, DGE<7:0>, DBE<7:0>and LCD timing and control data, FPLINE,
FPFEAME, DRDY)to four groups of LVDS INFORMATION FLOW (Low voltage differential
signal), then send them to the plane displayer for display.
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