The referenced asset video processor was returned to the service center for evaluation.The service group found the video connector had a worn out lock latch causing loss of image when manipulating the video cable.Additionally, the rf board was defective; causing sdi signals to be out of sync.The picture in picture (pip) connector was corroded.There were scratches on the top cover and a faded front panel.The asset video processor was repaired back to specifications and returned to the inventory.The investigation is ongoing; therefore, the root cause of the reported event cannot be determined at this time.However, if additional information becomes available this report will be supplemented accordingly.
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This report is being supplemented to provide additional information based on the legal manufacturer's investigation.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, the worn out lock latch likely occurred due to repeated use of the device for a long period of time (over 14 years), which caused the wearing away of the lock latch of the video connector socket.This made the electrical contacts of the connector unstable, causing failure to transfer the video signals between the endoscope and the video processor, causing the loss of image.In addition, the failure of the rf board (printed circuit board) was likely caused by deterioration of parts on the board over time.The rf board is designed to produce output signals.This caused failure in the synchronization of the video signal.
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