Is the length of the wire, the thickness of the normal conduction of current? Power (380V)
Yes only by the procedures to install in order to run safely
Detection of audio and video lines, broken wire for the new video line; yellow hole is the video output, white and red hole (left and right channel) is the audio output, plug the plug to correct set-top box signal display is normal, but the machine circuit failure or jack solder joints lead to silent audio signal output Repair the internal circuit, welding welding hole of the solder joint the TV source selection error, view and determine the set-top box signal input that way Set-top box audio and video output and TV audio and video input, are yellow hole is the video, white and red hole (left and right channel) is the audio, plug video cable plug must ensure that the corresponding plug, not dislocation Insert the wrong location or TV source selection is not correct, even if the normal set-top box audio and video output, the TV will display no signal
It is a new product identification is an essential part of the link
TV set-top box no problem, the signal shows normal, the TV shows no signal causes and processing
