TCL HiD291S.P行不启振故障解决方案
故障现象: 三无(灯亮)机芯: HiD彩电NDSP
机型: HiD25192P,HiD29276P,HiD29189P,HiD299S.P,HiD2990P,HiD29192E,
HiD2990S.E,HiD291S.P,HiD29166P,HiD2966S.E,HiD299P,HiD299.P,
HiD296S.P,HiD296SB.E,HiD291.P,HiD29211A,HiD348E,HiD348.N,
HiD329W.P,HiD329SW.P,HiD329W.n,HiD348SB.e,AT2911P,HiD329S.P,
HiD34181E,HiD34189P,HiD34276P,HiD3460B.E,HiD346B.E,HiD34728P,
HiD348P,HiD348S.P,HiD361SW,HiD38215P
检修过程: 故障现象:行不启振 分析与检修:根据故障分析,故障可能是在行激励振荡电路,把所有的行电路查过都没有发现异常,查IC301/STV6888及外围元件没有发现问题,将数字板和解码芯片换之故障依旧,维修陷入僵局,后怀疑是存储器不对,将存储器换之,开机故障排除。
故障板名称: 主板
故障元件位号:IC002
处理措施:更换
图片: 无
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