1. 21N91AA/3P60 在收看的过程中图像正常,声音哗哗响,几秒钟恢复正常,不定时出现;把C133取消后解决 2. 21D88AA/3P60不开机异响。高压包AFC引脚虚焊。高压包除了初级的两个引脚步补焊了之外其余各脚都只有很少的焊锡,好多引脚都有虚焊的迹像 3. 21N91AA/3P60三无,经检查C611(100n/100v)容量小引起的,加大此电容到220n/100v电视能彻底解决, |
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