Item contains the following circuit card assemblies: ttg generator p/n 140470, horiz location counter p/n 143646, pitch/roll gen p/n 143640, input data count p/n 140458, data register and memory p/n 140455, character and graphics gen p/n 143637, video ampl no. 2 p/n 144241, video ampl no. 1 p/n 144244