Download EN9110
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1-2 LCD MONITOR DESCRIPTION The LCD monitor contains main-board, Inverter module, keyboard, audio module, USB-hub module and External Adapter. The main-board controls all logic signals such as panel control logic, backlight control logic, …etc. The Inverter module will drive the backlight of panel. The Adapter supplies power to the LCD monitor. Main-board Block diagram Analog RGB Gm5020 (U600) DDC-chip Frame store DDC-chip Data Digital RGB DVI input LVDS chip PANEL Panel Control Signal: Phs, Pvs, PclkA/B, Pdispe Oscillator 24 Communication signal: Hclk, Hfs, Hdata0 MCU (U502) Panel Power 5V Panel-Power Control (U203) Crystal 24 MHz Keyboard module EXTERNAL-ADAPTER Audio module (optional) USB hub module (optional) INVERTER module DC 12V 5Amp 3