Patent ID: 6947722

Claim:
A tuner block comprising: a tuner which tunes a broadcasting signal; an IF/demodulator circuit which demodulates the broadcasting signal tuned by the tuner; a modulator which modulates an input video signal and an input audio signal into an RF signal; a single casing which accommodates the tuner, the IF/demodulator circuit and the modulator, wherein the tuner, IF/demodulator circuit and the modulator are integrally formed in the single casing minimizing noise and interference between signals input to and output from the single casing; and a plurality of pins disposed consecutively on an outer side of the casing, the plurality of pins to input and/or output signals and a voltage to operate the tuner, the IF/demodulator circuit and the modulator; wherein one of the plurality of pins is a power supply pin through which an electrical power is supplied from an outside power supply, and the tuner and the modulator are connected commonly to the power supply pin inside of the casing.