Mark Tongzhou Satellite Receiver Dacking ----- Audio Monitoring

Add a monitor to Tongzhou Satellite Receiver, Audio Monitoring Keywords: Dacking of Tongzhou Satellite Receiver Recently, I even won the small [email protected] version of the small coach blind sweeper, the threshold of the machine is very low, the heat generation is small, not dead, and it is very good to use. The author also applied a audio monitoring device to this small, put the small speaker in the machine (as shown in Figure 1), which is very convenient to use. Usually use can not open the TV, only the receiver can listen to the broadcast show, just like the old radio. It seems to have returned to the long-term childhood, especially the rich and colorful broadcast programs on the Asian 3S star, and it is more happy. The specific method of making is as follows: With commercially available general TEA2025B small power devices, plus 2 resistors, 1 small potentiometer, 2 porcelain capacitors, 10 electrolytic capacitors, which are soldered on a piece of plate according to the circuit shown in Figure 2, welding A good rendering is shown in Figure 3. Behind the audio output socket of the main circuit board, by the shield line through the small potentiometer, then receive the audio input of the small power plate, the output is connected, and the speaker is fixed to the position of the power supply in the machine, such as Figure 4 shows. Then the 5V power supply is connected to the power board, and the monitoring system will be completed. Since the small speaker is pronounced in the plane, it is necessary to increase the pin foot of the machine, as shown in Figure 5. Use the machine to receive TV audio and listen to broadcast programs, not in the same menu bar, then turn on the screen after the conversion can only be converted, this is not as convenient to Tailor, it is worthwhile to improve the software. If the manufacturer of the receiver and the set-top box can produce a monitored machine, it will be favored.

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