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 <title><![CDATA[充电器电容坏了，怎么更换？]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516.html]]></link>
 <description><![CDATA[Latest 50 replies of 充电器电容坏了，怎么更换？]]></description>
 <copyright><![CDATA[Copyright(C) 工控人家园]]></copyright>
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 <lastBuildDate><![CDATA[Mon, 13 Apr 2026 11:40:07 +0000]]></lastBuildDate>
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 <title><![CDATA[工控人家园]]></title>
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 <description><![CDATA[工控人家园]]></description>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你检测一下431，和反馈电路特别光的耦合器PC817和分压电阻]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1083177.html]]></link>
 <author><![CDATA[罗丕宪]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Jul 2011 01:12:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[后悔当初没好好学习电子啊。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1083155.html]]></link>
 <author><![CDATA[yifan_1987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Sat, 02 Jul 2011 00:16:12 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[测量一下开关管C极有无300V左右电压，b极电压是否偏低，正反馈信号是不是减弱了，输出电路是否有短路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1083135.html]]></link>
 <author><![CDATA[liupengshuai]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 23:19:30 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[哎，没有图纸。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1083125.html]]></link>
 <author><![CDATA[yifan_1987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 22:59:17 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[从后面向前找！按理说两个电容并联换上应该可以的，看看其他的电路]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1082940.html]]></link>
 <author><![CDATA[jiangzhuang]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 12:26:06 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[把俩个250v 220uf 并联后，接上去，电源指示等不亮，输出电压只有5.7v，怎么回事？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1082832.html]]></link>
 <author><![CDATA[yifan_1987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 09:09:13 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[全是高手啊，我也不知道怎么回事，量着电路板220v进线电压，电容就响了，这是怎么回事？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1082825.html]]></link>
 <author><![CDATA[yifan_1987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 08:54:30 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[首先确认电容器炸的原因，是整流电路的二极管有故障；是电压升高了还是。。。。。。
如果是滤波电解电容器直接并联2个250v 220 uf电解电容器（如果安装空间允许）。或者用35v 470uf电解电容器串联，同时在每个电容器上并联同阻值4.7K电阻2个。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1082818.html]]></link>
 <author><![CDATA[wwcwwc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 08:43:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[可以吗]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1082802.html]]></link>
 <author><![CDATA[yifan_1987]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 08:09:21 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你用二个250v 220 uf的电容 并联用就好了，注意正负极呀！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1082790.html]]></link>
 <author><![CDATA[dnvihc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 07:30:19 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[你用二个250v 220 uf的电容 并联就好了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-112516#1082788.html]]></link>
 <author><![CDATA[dnvihc]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 01 Jul 2011 07:25:15 +0000]]></pubdate>
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