ＥＧＣ—６５１１心电图机的特殊故障徐州市第一人民医院金匡智ＥＧＣ—６５１１心电图机使用数年后，在用交流供电工作时，左上角五个指示电源状态的发光二极管会出现同时点亮的故障。由电路原理分析（电路图略）该机电源电路功能较强，特点是采用了组合逻辑电路，能自动... EGC-6511 Electrocardiograph Machine Special Failures Xuzhou First People’s Hospital, Jin Yizhi EGC-6511 When the electrocardiograph is used for several years, when working with AC power supply, the five LEDs in the upper left corner that indicate the status of the power supply will light up at the same time. Analysis by the circuit principle (circuit diagram omitted) The aircraft power circuit has strong features, is the use of a combination of logic circuit, can automatically ...