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hi 7ia.excellent ts-940s service report ! [表情] [表情] [表情] my old ts-950sdx is having low power problem and now the maximum ssb and cw power is only 50 to 60w. may spend some time to fix it but it will be end of this year. right i am very busy to set up the steppir yagi antenna for some hf dx fun first ! rgdsvr2sa
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你机器的故障估计也是通路上的谐振电路失谐引起的,用仪器重新校准一下各回路就会重获青春了。
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7ia大佬,我部940也有关机打表的现象啊,几年来我还以为是正常现象哦!汗!!还有就是功放板烧了422,改了1969和换了422后还是没有功率输出;静噪功能锁死,但有时又能放10来秒的声音出来。大佬是否有时间也帮我看看病啊?
我的940也有关机打表的现象啊!
bd1esv你好!悄悄话已经收到,调整功率的方法请参照本帖18楼:“打开机器底盖,找到靠机器后面板的一块控制电路板(x53-1420-11),调整半可调电阻vr2。 调整时应注意先慢慢两边小拧试一下,因为该电阻调整很灵敏,若动作过大,引致输出功率上冲增加太厉害,有可能会烧毁功放管和电路!”
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