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[请教] MSP-FET430UIF连接电脑无任何反应 并且两个灯都不亮



MSP-FET430UIF 连接电脑后,电脑端口没有任何反应,并且两个指示灯都不亮!有谁懂维修的指点下!

我现在测8M,12M 晶振都是有波形的,左上角有3.6V 供电的。朋友说供电有问题,但不知道具体哪些是关键测试点!