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故障现象 超声图像不同步 ,呈现向左滚动 ,其它均正常。检修过程 打开机盖 ,观察线路板元器件 ,无烧焦、爆裂者。开机用数字万用表测各输出电压 ,正常。关机 ,重新拔插接插板 ,故障依旧 ,拔掉探头 ,除无超声回波外 ,其它正常。插好探头 ,用手无规律地弯曲探头附近联线时 ,超
Symptoms Ultrasound images are not synchronized and appear to scroll to the left, others are normal. Maintenance process Open the cover and observe the components of the circuit board without burning or bursting. Turn on the digital multimeter to measure each output voltage, normal. Shut down and reinsert the patch panel. The fault persists. Unplug the probe, except for no ultrasonic echo. Others are normal. Plug in the probe and bend the probe near the probe wire in an irregular manner.