An apparatus for controlling position of lcd of lcd projector

An object of the present invention is to provide an image of the LCD projector and the sheets of RGB 3 LCD by measuring a single red, green, and blue, the cell so that adjustment to the same position so as to reduce the assembly time LCD position control device have. The LCD image position control apparatus of a LCD projector according to the present invention for achieving the same object are disposed so as to surround the three sides of the color synthesizing prism R-LCD, G-LCD and B-LCD and, the passed through the objective lens R -LCD, G-LCD and the LCD-R reflected by each of the corners are different from each other, separated from one another at different angles so that reflections at different angles disposed a plurality of reflection mirrors and the plurality of reflecting mirrors of B-LCD , and G-LCD and the eyepiece lens to display the respective edge of the B-LCD, therefore on the R-LCD, G-LCD, and each edge of the B-LCD shown in the eyepiece, wherein the plurality of reflecting mirrors adjust the angle of the, it is configured to include a mirror adjusting means for controlling the position on the R-LCD, G-LCD and the respective edge of the B-LCD.