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 <title><![CDATA[CPM1A电源板维修]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879.html]]></link>
 <description><![CDATA[Latest 50 replies of CPM1A电源板维修]]></description>
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 <description><![CDATA[我感觉只要是半导体的原件都要检测 尤其是稳压二极管
 [s:26]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1233631.html]]></link>
 <author><![CDATA[科技改变未来]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sat, 24 Mar 2012 11:08:41 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[变压器坏了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1203790.html]]></link>
 <author><![CDATA[刘时信]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Fri, 03 Feb 2012 17:53:01 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[哈哈
学习一下。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1085107.html]]></link>
 <author><![CDATA[jx982cms]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 05 Jul 2011 07:02:23 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[脉宽调制电路有问题.]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1085058.html]]></link>
 <author><![CDATA[junjie]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 05 Jul 2011 05:44:01 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[CPM1A的电源板是最好修的,如果整流桥和开关管换了还炸保险,查一下压敏电阻,还有后面的三极管C3377,]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1081281.html]]></link>
 <author><![CDATA[ydc820]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Wed, 29 Jun 2011 00:24:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[开关电源坏了，有短路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1079890.html]]></link>
 <author><![CDATA[中南自控]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sun, 26 Jun 2011 16:24:37 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[整流块拆下后，用表量下220输入端有无短路，K2717拆下后用表量下整流后端有无短路情况，问题就很明了了！[s:21]]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1079760.html]]></link>
 <author><![CDATA[wqh清风]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sun, 26 Jun 2011 14:00:40 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[就是有短路问题，自己维修开关电源还是有点难度，呵呵]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1075723.html]]></link>
 <author><![CDATA[luoqiang]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Tue, 21 Jun 2011 10:04:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[开关电源坏了，有短路。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1074096.html]]></link>
 <author><![CDATA[xuzhfeng]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Sun, 19 Jun 2011 09:48:57 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[开关电源的原理要熟悉]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-101879#1012926.html]]></link>
 <author><![CDATA[13966443453]]></author>
 <category><![CDATA[欧姆龙工控论坛]]></category>
 <pubdate><![CDATA[Mon, 11 Apr 2011 04:52:53 +0000]]></pubdate>
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