论文部分内容阅读
如何判断电视机是否真有毛病?下面按有线和无线两种信号源方式介绍简易辨别方法: (1)收看无线电视节目(指用拉杆天线或一般外接天线收看方式)当电视机处在已经调好,一直收看正常的情况下,若画面或声音突然出现异常(指有图像有声音,只是感到质量突然变差),不要随意去调整,应耐心继续收看,若能自动恢复正常,说明机子没毛病,而是外界因素所致。若异常现象持久不变,可换一个较强的频道信号节目作比较,如果图像、声音正
How to determine whether the TV is really faulty? Here are two ways by wire and wireless signal source easy way to identify: (1) watch TV programs (refer to the use of rod antenna or general external antenna to watch the way) when the TV is in tune , Has been watching the normal case, if the picture or sound suddenly appeared abnormal (referring to the image of a sound, just feel the quality of a sudden deterioration), do not arbitrarily to adjust, should continue to watch patiently, if automatically return to normal, , But due to external factors. If the abnormal phenomenon persists, for a stronger channel signal program for comparison, if the image, the sound is