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ＸＪＪ－Ⅱ心脏急救监视装置故障检修一例山东潍坊市人民医院王开毅我院的ＸＪＪ－Ⅱ心脏急救监视装置，示波显示１ｍＶ定标电压出现如图故障波形。根据故障现象，我们先检查前置放大电路部分（Ａ板）。用接插板将Ａ板接出，通电测量⑩和脚的±１２Ｖ电压正常。然后测第一...
XJJ-II heart emergency monitoring device troubleshooting a case in Shandong Weifang City People’s Hospital Wang Kaiyi XJJ-II heart emergency surveillance device in our hospital, oscilloscope display 1mV calibration voltage appears as shown in the fault waveform. According to the fault phenomenon, we first check the preamplifier circuit part (A board). Connect the A board with a patch panel. The power measurement 10 and the foot ±12V are normal. Then measure the first...