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标题: 顶星R18P VER:D风扇不转 [打印本页]

作者: 饿饿饿饿额    时间: 2010-2-5 12:37
标题: 顶星R18P VER:D风扇不转
顶星R18P VER:D风扇不转BIOS上方R232与LCD接口附近U3(LM358)旁电阻R20之间断线,既PC87541

(101)通过R232(1K欧姆)与R20相连,此信号为FAN1_V,由PC87541(101)发出,图纸可参考顶星R18




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