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This is an analog satellite receiver circuit. You can receive analog satellite TV
signals in 950 - 2000 MHz range with a parabolic antenna and LNB. The circuit is formed in three parts;
2GHz Tuner, Video detector and Audio decoder. The tuner is a 950 - 2000MHz/30V Toshiba analog tuner you
can obtain it from used devices or electronic components suppliers. To supply the circuit, you need 22V
power supply. With P3 you can change frequency of the reception signal, with P2 you can adjust contrast
of the video signal and the P1 acts as a volume control for audio signal. With SW1 you can change polarity
of the LNB (Vertical-Horizontal).
Ask your question about this circuit in the forum.