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海信彩电HDP2907m开机出现这个画面如何维修？
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注册家电维修技术论坛，与同行畅聊维修技术，享更多技术论坛功能。
才可以下载或查看，没有帐号？
海信彩电HDP2907m原来是开机高压包叫，在某宝买了同型号后可以开机但是出现这个画面，高清机没怎么弄过，还望各位师傅指导
408.jpg (19.7 KB, 下载次数: 0)
14:04 上传
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AFC电路查一下
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行推动问题&&行脉冲电路故障& &高压包不良&&S校正电容失效&&数字板问题等&&逐一排除吧。
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行激厉有问题。
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高压包不匹配也会有这种情况！你说的原来高压包就“啸叫”，可能原来的高压包也没有坏！行频不对严重偏低！
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勤劳的人 发表于
高压包不匹配也会有这种情况！你说的原来高压包就“啸叫”，可能原来的高压包也没有坏！行频不对严重偏低！
同样型号高压包，旧的叫，新的开机这样
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校正电容，检查了没有呢？
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校正电路& && &偏转线圈
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高压包叫应该是行频过低，原高压包可能没坏。
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原高压包应该没坏，至所以你换新包之后沒叫了是因为新包与原装包参数和制作工艺略有不同，手摸枕校管异常烫手的话一般是枕校电容和电感及s校正电容坏，特別不要忽略枕校电感
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今天，你就不要留下小秘密了，把你的糗事喜事开心事说出来分享，让大家跟着你快乐、开心一下！活动规则：
征文帖请发到【我的维修生涯】，标题格式为：【征文.夏天的记忆】+自定义副标题。详情>>
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