创维29T83HT* 现象:行幅大(不失真w 检修,本文由家电维修杂志论坛http://www.jdwx.cn/收集资料:直观检查发现C325(4.7uf/100v无极电解)爆裂,相关电路检查出S效正电容C322(0.22uf/630v)容量减小。用0.27uf/400v电容代换C322,4.7VUF/250V(有极)电容代换C325后【故障】排除。# g" P$ @ M8 d3 R: A7 Y9 b 由于没有600v电容和无极电解,以上代换不知能否长时间正常工作! |
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