What is the patch panel and cable management, in the integrated wiring in what role
1: Check whether the set-top box is powered (digital and network set-top box common) 2: set-top box RF signal connection is smooth (limited to digital TV set-top box), if the TV screen appears set-top box start screen, then The system prompts "no signal". This phenomenon is mostly between the set-top box and the TV signal line between the problems. Solution: The above situation only occurs in the digital TV set-top box, first of all need to exclude the set-top box and the TV between the audio and video lines (red, yellow, white) connection problems, most likely the TV RF input signal line did not receive set-top box RF input port, or the TV RF input signal cable is not connected to the terminal box on the wall, or where there are other disconnections in your room. 3: set-top box AV / TV settings (only for digital TV set-top box), if the TV screen does not appear set-top box to start the image, then just blue screen and no text prompts solution: TV channel settings problems, Please use the remote control of the TV to press the source key or the AV / TV button to switch the TV from the analog TV channel to the video channel.
That is the bridge ground trip cable. Because the corners of the bridge are joined together by rivets, or welded together, we can not admit that they are effectively connected in accordance with the relevant provisions of the national grid. In order to protect the ground, all metal joints must be connected between the grounding cable, so as to admit that all of its bridges are connected in one, and finally through one or several of the total ground to ground.
Select the TV input source one by one try to recommend high-definition line connection signal quality is good if it is old-fashioned TV can only av option to choose input av yes there is the line on the TV did not insert the corresponding color insert helium helium Rhinoceros baskets to the jacks marked in
