H a n n S t a r D i s p l a y C o r p .Document Title HG171A_XY _HSM Page No. 23 / 65Document No. Revision08/09/09The 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.8.2 Electrical Block Diagram8.2.1 Main BoardAnalogInputDCPower InKeypadSCALER ICICTSUM1PFR-LFRGB/HS/VS5V/3V3/1V8KeypadLVDSOutputYPbPrInputAMPTDA7496L12VMCURTD2120L