| 故障原因分析：进入会聚,红枪上下调不动,而且下部图抖,检测会聚盒供电正常,试更换会聚盒故 障仍旧,把两个功放块对调,红腔正常,绿腔出现会聚不良,更换功放块故障机修到这里，终于修好值得探讨。. |
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