Acer X1230S Acer X1130, X1230, X1230K, X1230S, and X1235 Projector Series Serv - Page 15

System Block Diagram Hardware Architecture Keypad Circuit Main Operation Circuit Input Source Circuit CW Index sensor board Lamp Door switch Fan Driver Circuit Thermal break sensor Circuit Ballast Module Main Board D-Sub in RGB analog signal YPbPr From AC socket EMI Filter PFC Circuit Figure 1 Hardware Architecture To Lamp IR I A/D converter RGB888 24bits Digital Signal DDP ASIC DLP Image Processor YUV422 10bits Digital Signal RAM 32 M Flash Memory NTSC/PAL /SECAM Video Decoder D-Sub out Triple video DMD Power DMD and Reset Driver MBRST(0:15) Color Wheel Motor Driver S-Video CVBS Figure 2 Main board & Input board BLOCK DIAGRAM 15