A display apparatus comprising: an input terminal configured to receive an analog video signal; a tuner configured to receive a broadcast signal; a first rear multiplexer configured to multiplex the analog video signal and a first output signal of the tuner, wherein the analog video signal is a single-ended analog video signal; a second rear multiplexer configured to multiplex a ground signal and a second output signal of the tuner; a differential analog-digital converter (371, 372, 373) configured to convert the difference between the output signal of the first rear multiplexer and the output signal of the second rear multiplexer into a digital signal, wherein the differential analog-digital converter has: a positive input terminal to receive output from the first rear multiplexer; and a negative input terminal to receive output from the second rear multiplexer; a decoder (381, 382, 383) configured to decode the digital signal, wherein the tuner includes: an analog broadcast tuner configured to output an analog broadcast video signal and an analog broadcast audio signal; a digital broadcast tuner configured to output a digital broadcast signal; and a front multiplexer (308, 315, 320) configured to multiplex the analog broadcast video signal and the digital broadcast signal. an input terminal configured to receive an analog video signal; a tuner configured to receive a broadcast signal; a first rear multiplexer configured to multiplex the analog video signal and a first output signal of the tuner, wherein the analog video signal is a single-ended analog video signal; a second rear multiplexer configured to multiplex a ground signal and a second output signal of the tuner; a differential analog-digital converter (371, 372, 373) configured to convert the difference between the output signal of the first rear multiplexer and the output signal of the second rear multiplexer into a digital signal, wherein the differential analog-digital converter has: a positive input terminal to receive output from the first rear multiplexer; and a negative input terminal to receive output from the second rear multiplexer; a decoder (381, 382, 383) configured to decode the digital signal, wherein the tuner includes: an analog broadcast tuner configured to output an analog broadcast video signal and an analog broadcast audio signal; a digital broadcast tuner configured to output a digital broadcast signal; and a front multiplexer (308, 315, 320) configured to multiplex the analog broadcast video signal and the digital broadcast signal. a positive input terminal to receive output from the first rear multiplexer; and a negative input terminal to receive output from the second rear multiplexer; a decoder (381, 382, 383) configured to decode the digital signal, wherein the tuner includes: an analog broadcast tuner configured to output an analog broadcast video signal and an analog broadcast audio signal; a digital broadcast tuner configured to output a digital broadcast signal; and a front multiplexer (308, 315, 320) configured to multiplex the analog broadcast video signal and the digital broadcast signal. an analog broadcast tuner configured to output an analog broadcast video signal and an analog broadcast audio signal; a digital broadcast tuner configured to output a digital broadcast signal; and a front multiplexer (308, 315, 320) configured to multiplex the analog broadcast video signal and the digital broadcast signal.