H a n n S t a r D i s p l a y C o r p .Document Title HW191A_XY _HSM Page No. 8 / 72Document No. Revision07/08/13The information contained in this document is the exclusive property of HannStar Display Corporation. It shall not bedisclosed,distributed or reproduced in whole or in part without written permission of HannStar Display Corporation.4. LCD Monitor DescriptionAssembly DescriptionThe LCD MONITOR will contain a main board, a power board, and a key board which house the flat panel control logic,brightness control logic and DDC.The power board will provide AC to DC Inverter voltage to drive the backlight of panel and the main board chips eachvoltage.Monitor Block DiagramAC-IN100V-240VPower board(Include: adapter, inverter)Flat Panel andCCFL backlightmain board RS232 ConnectorFor white balanceadjustment in factorymodeHOST ComputerCCFL Drive.Video signal, DDCKey board022-83718162www.chinadse.org022-83715667