Transcript
SD trouble 北 京 Is the DAS power supply voltage proper? NG Defective DAS power supply 司 公 限 cn 有 m. 展 co 发 a. 54 术 ti 4/ 技 en /4 捷 ig 34 安 il 40 勤 .d 00 天 ww -65 w 0 OK OK REF ch NG (>50) X-ray optical system in normal operation? 01 NG Trouble in the X-ray optical system Offset SD checked by DCA Offset SD checked with the REF detector cable disconnected OK OK Defective REF detector NG Exchange the INTEG PWB in the first slot with a PWB in another slot and perform check. OK Defective INTEG PWB in slot 1 Check the outputs of the REF detector and the main detector using the DCA. Is the mean value for 21 channels within the range of the standards? OK NG NG Trouble in X-ray system X-ray tube current OK? OK Trouble in the reconstruction system and scan control Figure 2.5-4 SD troubleshooting flow No. 2D201-103EN*E 113 NG Trouble in the main detector
