TV mute is not unusual sound, but the satellite receiver mute when the TV speakers will be buzzing, audio and video cable no problem, and the audio line is not inserted when the floating switch spring also help Tong burst Kun did not sound. This is the case after the change in the tuner and receiver wiring board, help ........ more
It is recommended to change the AV line first try, not the case is the satellite set-top box power problem.
Reduces climbing and ensures straight installation of bus Equipment, engine room, many of the pipeline, the proposed pipeline made clear, due to the pipeline blocking the embedded with the embedded box and the pipeline can not be used to cause waste, the installation of lamps do not recommend the use of ceiling, ceiling will cause the ground to light Pipeline blockage produces shadows It is recommended to install or use the trunking chandelier on the wall a little experience, but also often encountered in the construction of the problem
2 When using Mingao set, should be used metal pipe or metal trunking on the fire protection coating
High-rise building fire protection specifications: fire power equipment distribution lines should meet the following requirements: 1 when the use of dark laying, should be laid in the structure of non-combustion body, and the protective layer thickness should not be less than 30mm
