[size=7][color=#ff0000] 谢谢大家,问题已找到,是主板3.3v短路所致!具体原因不明![/color][/size]
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[size=5][backcolor=#ffffff][color=#0070c0]开始各组无输出,换C3后有输出,但接负载面板指示灯闪跳(亮一下灭一下,),[/color][/backcolor][/size]
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[size=5][backcolor=#ffffff][color=#0070c0]C11 10v1000的电容换成了16v1500的,依然不行,[/color][/backcolor][/size]
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[size=5][backcolor=#ffffff][color=#0070c0]并联了一根D10还不行,[/color][/backcolor][/size]
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[size=5][backcolor=#ffffff][color=#0070c0]本人菜鸟,瞎鼓捣,请各位大师指点![/color][/backcolor][/size]