Abstract：Through the analysis of the maintenance process of Mindary DP-50 portable ultrasonic system display, this paper aims to
summarize maintenance experience and provide reference for similar faults. There was a horizontal bright line on the DP-50 display
in our hospital occasionally, the fault was located on display scanning filed circuit through analysis of the fault phenomenon, and
then the fault was located on bootstrap capacitor C2 through further detection, and the fault was solved by replacing a new bootstrap
capacitor C2. When facing similar faults, maintenance personnel should locate fault on the basis of being familiar with device circuit
and according to fault phenomenon, in order to find and solve the problem quickly.
尹吉生. 迈瑞DP-50便携式超声显示器故障分析一列[J]. 中国医疗设备, 2017, 32(11): 110-111.
YIN Jisheng. One Case of Troubleshooting for Mindray DP-50 Portable Ultrasonic System. China Medical Devices, 2017, 32(11): 110-111.
