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有线电视系统的常见故障从用户端电视图像上看 ,大致可以分为 4种 :①用户端电视图像有干扰 ;②用户端电视信号弱或某些频道的音频上附加着很强的噪声 ;③用户端电视信号有噪点 ;④用户端无电视信号。正确分析故障 ,是快速排除故障的基础。1 用户端电视图像有干扰这类故障是由
Common failures of cable television systems can be divided into four types from the television picture of the client side: ① There is interference on the television picture of the client side; ② The strong weak noise is attached to the audio signal of the client side weak or some channels; ③ Client TV signal is noisy; ④ client TV signal. Correct analysis of faults is the basis for quick troubleshooting. 1 client TV images have interference such failures are caused by