eliminate phase and tracking errors a display object preferably an active matrix lcd 28 is connected to the output of the a d converter as shown in fig2 for purposes of video signal transmission the multimedia source pc 12 is connected to the projection display system 10 through a video source cable 30 which is shown in exploded schematic form the cable 30 is of conventional design and includes multiple distinct conductors that are shielded together including three separate channels 32 a 32 b 32 c for carrying analog signals corresponding to red green and blue rgb color video components and two conductors 34 36 carrying the h sync and v sync signals respectively turning to the details of the image capture circuit 14 the microcontroller 16 is connected to the delay device 18 by a bus 28 to the counter 22 by a bus 40 and to the asic 26 by a bus 42 a mode identification counter 43 which is connected to h sync and v sync through conductors 45 and 47 respectively may be located in the microcontroller or the asic the mode identification counter 43 may also be provided independent of the microcontroller a preferred microcontroller 16 is model mc6833 1 made by motorola the delay device has an input connected to the h sync conductor 34 and an output connected to the pll through conductor 44 the preferred delay device is model no ds 10205 25 made by the dallas corporation as shown in detail in fig3 the pll 20 is of conventional design and includes a phase comparator 46 a low pass filter 48 and a vco 50 a feedback loop 52 provided with the counter 22 connects the vco output 55 and the phase.