求助!

一台神捕鱼机,买来下水就烧了,老板换了台,刚下水就自保了.
测试:带载(水池里)电压560V,电流超过0.9A就自保了,调频率
按钮没什么作用,是否可能后级硅直通了?
本人菜鸟,上个照片大家帮忙看看,我想自己买元件修好它(提高自己
动手能力:)
看看机子是几硅的?是否是后级直通了?
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