许多人家里都有旧式彩电,这种彩电多为按键式频道开关。由于使用时间较长,频道转换开关多易发生变化而使收台数减少。如果将其改换为遥控式,一则增加开支,二则改为遥控后图象效果多不如以前;如再换成一个新的频道开关,笔者从实践中认为没有必要,这里介绍一种将其修复重用的方法。 Many people have old-style color TV at home, this color TV is mostly button-type channel switch. As the use of longer, more likely to change the channel changeover switch to reduce the number received. If you change it to a remote control, an increase in spending, the second is replaced by the remote control image effects than before; such as replaced with a new channel switch, the author considered in practice is not necessary here to introduce a Fix the reuse method.