Circuit arrangement of monochrome television for receiving color signals

摘要

A circuit arrangement of black-and-white television set for colour reception where the colour block (10) is connected into the circuitry of a black and white television to the high frequency amplifier block (1) through the interfrequency block (2) and detection diode (3). The colour block contains a PAL-SECAM decoder, matrix unit and RGB power stage to which a colour screen (12) is connected, whereas the colour block (10) is connected to the synchronisation block (7) and the colour screen (12) is connected to the high-voltage block (9).