The present invention superimposes the FM information on the TV image information on the monitor using the on-screen display (OSD) on the monitor so that the user can know the news, emergency information, sports scores, stock price information, weather, etc. without changing the channel It relates to a TV character information display device. The present invention tunes a TV broadcast and detects the tuned composite video signal as an audio / video intermediate frequency, and separates and outputs the first tuner, and tunes the FM text multiplexing and tunes the tuned FM composite signal to the audio signal. And a second tuner for separating and outputting the FM character multiple signal, a key input unit for selecting a TV mode, a TV and FM character multiple broadcasting mixed mode, and an FM character multiple broadcasting mode, and a mode change according to a mode selected by the key input unit. To control the output of the text data, to control the channel selection of the first and second tuners, and to output video and audio switching signals, and to obtain the first tuner according to the video switching signals output from the microcomputer. A video signal converter that superimposes or selectively outputs a TV video signal and a text image signal through a second tuner and an on-screen display, and And a voice signal switching unit for selectively outputting a voice signal obtained from the first tuner and a text multiple voice signal obtained from the second tuner according to the output voice switching signal.
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