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14 Reference Infomation 14 Reference Infomation 14-1 Technical Terms - TFT-LCD - Image Lock (Thin film Transistor Liquid Crystal Display) This means "Fineness adjustment" in LCD Monitor, the features are "Fine" and "Coarse" ADC(Analog to Digital Converter) This is a circuit that converts from analog signal to digital signals. - FINE "Fine" adjustment is used to adjust visibility by control phase difference. - PLL(Phase Locked Loop) During progressing ADC, Device makes clock syn- chronizing HSYNC with Video clock - COARSE This is a adjustment by tuning with Video colck and PLL clock. - Inverter Device that supply Power to LCD panel lamp. this device gernerate about 1,500~2,000V. - DVI (Digital Visual Interface) This provides a high speed digital connection for visual data types that is display technology - AC Adapter independent. this interface is primarily forcused at Device that converts AC(90V~240V) to DC(+12V providing a connection between a computer and or 14V) its display device. - SMPS(Switching Mode Power Supply) - L.V.D.S.(Low Voltage Differential Signaling) Switching Mode Power supply. This design tech- a kind of transmission method for Digital.It can be nology is used to step up/down the input power by used from Main PBA to Panel. switching on/off - DVI (Digital Visual Interface) - FRC(Frame Rate Controller) This provides a high speed digital connection for Technology that change image frame quantity dis- visual data types that is display technology inde- played on screen for one second. pendent. this interface is primarily forcused at pro- Actually TFT-LCD panel require 60 pcs of frame viding a connection between a computer and its for one second. display device. so,this technology is needed to convert input - T.M.D.S image to 60 pcs regardless input frame quantity. (Transition minimized Differential Signaling) a kind of transmission method for Digital. It can be used from Video card to Main PBA. - Image Scaler Technology that convert various input resolution to other resolution.(ex. 640* 480