There was a relationship found between the returned device and the reported incident.A visual inspection was performed on the product and no issue was observed.Complaint of button malfunction was confirmed.Cause of button malfunction is a defective electronic component on the camera head pcb.Product passed functional testing with a known good camera head pcb installed.The complaint investigation has concluded that the root cause of blank image is a defective electronic component on the camera head pcb.A review of the device history records showed there were no indications to suggest that the product did not meet manufacturing specification or would not be able to perform as intended.
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