

跪求L42E64图纸!开机检查是电源供电5V为1v左右还跳动,电源修好后开机指示灯闪一下红光就熄灭,查接收头5V电源正常,接收头输出电压为0.7V,测CPU供电无,测所有的晶振电压无。没有图纸无法分析5V电压的去向!
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