DLP NIRscan EVM 不能连接电脑 灯源不亮 是什么原因
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U27是12V供电.如果是过压损坏, 你要检查所有12V供电器件. 同时TPS65251的输出的5V和1.9V后面器件是否已经损坏?
要测量断开测量.要测量5V,1.9V连接的相关器件:U32, U24等等.1.9V是给DMD供电的.