1 故障现象1.1 出现高压打火的电视机,荧光屏上会出现白色或黑色的噪波点干扰状,光栅呈放射状变化,画面幅度变小,图像模糊.1.2 无信号时(静态工作下)能看到光栅背景上有“肋骨条”抖动和不定时出现的现象,且能听到机器里面有“吱吱”声或“啪啪”声,有时还能闻到异常气味,严重时还能看到显像管高压嘴附近出现火花闪烁现象. 1 Symptom 1.1 High-voltage ignition of the TV, the screen will appear white or black noise point interference, the grating radial changes, the picture amplitude becomes smaller, the image is blurred .1.2 no signal (static work) to see To the grating background with “ribs” jitter and irregular phenomenon, and can hear the machine inside a “creak” or “pop” sound, and sometimes smell abnormal odor, you can see severe Kinescope appears near the flash nozzle flickering phenomenon.