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BOOSTXL-DRV8301加LAUNCHXL-F28069M

请问

BOOSTXL-DRV8301加LAUNCHXL-F28069M

一直以为是设置的问题,一直在修改设置,今天我们找了一个用过这个开发板的工程师给我们设置,他设置了一下,也不行,然后测试发现最小系统版的3V3和GND是导通的

请问这是怎么回事呢
请问是不是电路板坏的呢?

请问如果是28069M芯片坏了的话,中国哪里有维修