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电视机图像忽大忽小,说明其高压供电系统有毛病;如伴音出现较大且连续不断“咔咔”或“吱吱”等杂音,说明电视机内某些元件开始变质损坏或接触不好;
TV images suddenly big and small, indicating that the high-voltage power supply system is defective; as the sound appeared larger and continuous “Kaka ” or “creak ” and other noise, indicating that some elements of the TV machine began to deterioration damage Or poor contact;