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tcl

昨日接一tcl-nt29128电视机,AV图声正常,RF噪波有,自动搜索时有干扰黑道,停后无台.换调谐器'声表面'转换块'存储器均无果
顶上去,请高手帮助解答。
换300V滤波电容看看
更换AV/TV转换IC, 或检查TV中放输出至转唤IC之间的线路,小电感挺容易开路.
高频头各脚电压正常否?查一下译码块,中周换换?还有中放块周围的电感电容。

8370

谢谢各位指点.更换om8370机子ok


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