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用DLPC410的前端缺省程序的内部画面测试。如果DMD 电压都对,DLPC410出问题的可能性比较低,当然有各种情况,比如DLPC410是全新焊接还是重新焊接?没有更多信息很难判断。用内部画面测试是否焊接不良。确认DMD是安装良好的。
那要按照原理图测试DLPC410所有输入输出。