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实例3 机型:T2563E
故障现象:不平亮线
故障检修:此故障起初以为TB1240或其它供电不良造成,经过仔细检查TB1240各供电正常,更换其无效,又查场输出电路也无问题,代换C401后故障排除。
实例4 机型:25寸“E”系列
故障现象:不开机雷击
故障检修:打开机器测B+在
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