近日收修一台林肯V350-PRO机,故障情况:无显示,整流器有500余V,判断是G3632-2D3板坏,买了一块G3632-2D3板换上后有显示各项均正常,客户来取焊机烧三根焊条后没有70V电压NO指示灯不停闪烁,愁、愁!
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