Common problems of satellite TV set-top boxes

（1）no images
Reasons: 1, the connection is not correct? 2, the TV set is not correct?
Approach: 1 is on the check, as set-top boxes, audio cable is properly connected to the corresponding TV video and audio input jack.
2, AV1 and AV2 no mistake, should the TV screen displays corresponding to AV1 and AV2.

（2）incomplete or mosaic channel search
Reason: a mosaic and channel dysfunction causes the most problems is that the signal is low, as long as the signal quality has improved, the problem is solved. 1 small pot? 2, the triangle is not fine adjustments? 3, the accuracy of the pot is not enough? 4, interference?
Approach: 1 large pot to satellite TV receiver is the last word.
2, if your pot is large enough, you fine-tune the triangle.
3, now more than pot and some cottage View topic from an economic point of view, buy a cottage pot to feed the pot is 1.5 meters, for example, if you fine-tune the triangle has not yet reached the desired results, it may be pot and the focal point of the first high frequency, the most earth way that you can adjust the tuner or receiver supporting bar watching the monitor signal quality parameters to calibrate the focus point (connecting the feed tray and the pot that three poles).
4 are tried if the above does not work, then you should consider will not be disturbed, carefully look around to find there is no interference, to avoid interference enough.
Of course, a mosaic and channel incomplete, there are also other reasons: F head connector is faulty, and the quality of wires and switches and so on.

（3）the phenomenon of set-top box crash
Now we use a large part of the set-top box cottage, set-top box if the crash was simply a moment the power off, reboot to resolve. The DM is mostly through the new brush can still be resolved.