The satellite TV receiver tuner is how to identify
The tuner is mainly the quality of the signal received on the left and right rotation. The stability of material and circuit board with its own signal quality is the basic quality of the differential tuner.
Identification method:1 prepare a TV, a receiver (Tiancheng machine), pending tuner, a closed line.2 turn on the TV tuner connected with the receiver line, according to the information of health will occur in three situations:First: no signal strength, the main reason is not between the closed line and the receiver, tuner or within three terminal voltage bad;Second: the signal intensity of less than 70 per cent, is in bad tuner components;Third: the signal intensity is higher than 70, can use the tuner.
