Even if the voltage output is normal there is a problem with the power supply. Do you think it is

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Home appliance maintenance #80 Xiao Chen# electronic products
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[@user-xz2mz4qn9i]

太刁钻了......谢谢陈老师

[@lww3988]

這次維修一般師傅鐵定修不起來的😊

[@clementihammock7572]

应该花好几个小时在确定哪头，哪个零件出问题， fault detection and isolation.