推荐回答（5个）
首先看一下你的东南卫视信号质量有多少，一般的情况应该有80多的！如果没有就是角度不对，还有一种可能就是你用的是双本振高频头，应该把本振频率改为05750才行！所以我一时下不了结论！现在把中星6B的调试方法交给你：材料：1.2米正焦锅一面，免费机一台，C波段高频头一只，普通有线电视线若干米，F头两个。
工具：剪刀，10～12扳手，电工胶布，拖线板。
安装：先按顺序组装好锅，支架上下两个圈之间的距离后面比前面高大概13公分（我在江苏常州越往南后面距离越短，越往北则越长）稍微固定一下后面的禁锢螺丝，然后把高频头装在中间，接收口朝下，“0”刻度差不多水平就行了，用F头把普通有线电视线连接高频头和接收机，打开接收机再连好电视机（一般用东南卫视调试下行：3706符号率：4420极化方式：水平)，按一下“信息”键这时电视画面上有信号强度和信号质量在跳动，一般只要线连好后信号信号强度会有7到80，质量大概会有3～4的样子一直不停的在跳，这样的话你只要轻轻的转动锅体（具体方位在正南偏东一点点）转到时候注意看电视画面上信号质量的变化，发现数字在变大后就不要有大动作了，只要稍微左右转一下待数字最大就可以了，固定底座（可以用一块木板平放在底座上木板上再压砖头），再调一下后面的收缩杆使数字达最大后固定紧固螺丝，这样基本就可以了，这个台的信号质量有80左右。再看看湖南卫视，如果湖南卫视有马赛克的话再调一下高频头，可以先上下再左右一般的话信号质量有40左右！调好之后用电工胶布把高频头上的线包一下（多余的线用胶布缠在斜拉杆上就行）也可以把大号可乐瓶剪掉一半反过来套住高频头！这样你就大功告成了，可以享受一下劳动成果了！经验可以在实验中慢慢摸索！祝你好运！
首先要知道你用的高频头是怎样的，如果是双本振的，那么水平极化的本振要调为5150mhz，垂直的要调为5750，c波段的就这两个本振，通常接收机里有设置两个本振的，前一个是水平的，后一个是垂直的，所以前一个要调为5150，后一个要调为5750，这样才能全部收到。
如果是单本振的，那么前后两个本振是一样的，都要调为高频头的本振，通常是5150mhz.
如果上述的结果不行的话，那就有两个原因，一是高频头坏了，换过个，国产的c波段高频头在我们这也不过25块钱一个。还有另外个原因，那就是接收机的极化转换的电路坏了，那就要么修下，要么去买过个新的。
一般为高频头坏，换一个就知道了，要不就是接收机极化电压电路损坏，就是主板上面的LM317坏了
来我这里啊。我是跟你相反，呵呵。我家收不到水平的节目。在中星6B上的节目中，湖北的我。
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