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15问答网 > 创维彩电29T68HD烧行管故障维修(求助)

创维彩电29T68HD烧行管故障维修(求助)

2025-02-01 16:35:37

推荐回答（2个）

回答1：

这个要查行扫描电路，查看行逆程电容是否坏，正如你说的有虚焊是关键，有时候高压包的脚位你值得注意下，有时候高压包上的虚焊是看不到的，但是用烙铁补焊的时候会听到有很小的响声，那就是虚焊，我以前碰到过，当时怎么查就是查不出来，后来准备换高压包的时候焊接B+脚就发现问题了，补焊后来试机几天都没有问题，故障排除

回答2：

有效果没————————————————————————

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