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我用干电池法检查了一下变压器同名端:
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现象是有轻微嗒嗒声,7脚电压在13V左右波动,8脚只有2V左右波动,检查了启动电阻、二极管等也没发现问题,原边绕组对调了一下后没有嗒嗒声了,但是7脚电压仍然波动....
被我鼓捣了一下之后,7脚没电压了~~~又没发现虚焊的地方啊,启动电阻也没断路~~~???~~~郁闷老~~~
