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DLP NIRscan 产品 u27烧坏 ，更换芯片后，输出电压5v 实际输出3.6v 1.9v 实际输出0.6v 是该芯片问题 还是其他地方器件有问题引起的 能解答一下吗
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.
