根据行输出管温度判断电视机故障高光辉行输出管（简称行管）是电视机中一个主要部件，均采用大功率管且加散热板，一般都在行输出变压器附近，容易辨认。开机三四分钟后关机，用手摸行管温度常能粗略判断无光栅等现象的故障部位。由于此法比较直观、方便，所以常为一般业... According to the line output temperature to determine the TV fault High brilliant line output tube (referred to as the tube) is a TV in a major component, are using high-power tubes and plus heatsink, generally near the output transformer, easy to identify. Turn off the machine after three or four minutes, manually touch the tube temperature can often determine the phenomenon of no fault and other parts of the grating. As this method is more intuitive, convenient, so often for the general industry ...