许多人在收看电视节目时,一旦发现电视图像出现“异常现象”,就去调整电视机,甚至怀疑电视机内部电路出了故障。其实并不是所有“异常现象”均由电路故障引起,原因可能是电视台或其它干扰,一般不必调整,片刻后电视图像会自然变得正常,相反,若人为调整不当反会给电视机造成影响。一般下列“异常现象”均为自然正常现 When watching television programs, many people find that they have “abnormalities” in their television images and adjust their television sets. They even suspect that the television’s internal circuit has failed. In fact, not all “anomalies” are caused by circuit faults. The reason may be television stations or other interferences. Generally, they do not have to be adjusted. After a moment, the television images will naturally become normal. On the contrary, improper adjustment will affect the television. The following “anomalies” are naturally normal