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AFE4420EVM: AFE4420EVM

Part Number: AFE4420EVM
Other Parts Discussed in Thread: AFE4420

Hi the AFE4420EVM when plugged with the PC and  does not show up the  LED green light on. It does show the green LED light on if the sensor board is disconnected from the board. It seemed that the sensor board terminal has connection problem and that makes the board turned off. How should I check the module functionality with the sensor board connoted with it in this case?