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 <title><![CDATA[LED灯坏了，跪求解答！！！]]></title>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578.html]]></link>
 <description><![CDATA[Latest 50 replies of LED灯坏了，跪求解答！！！]]></description>
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 <lastBuildDate><![CDATA[Fri, 03 Apr 2026 22:24:16 +0000]]></lastBuildDate>
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 <description><![CDATA[现在的LED灯大都采用串联方式，如果只换单个LED的话，会使的这个未经老化的元件承受较高的电压，因此好经常损坏，我以前也遇到过这个问题，我采用的方法是将所有LED整体更换]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1529058.html]]></link>
 <author><![CDATA[王栋春]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 30 Dec 2013 12:42:58 +0000]]></pubdate>
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 <description><![CDATA[原因：散热不好；有交流窜入；LED额定电流及电压不够。可加强通风，加限流电阻等方法解决。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1527823.html]]></link>
 <author><![CDATA[744039615@qq]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Fri, 27 Dec 2013 08:27:01 +0000]]></pubdate>
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 <description><![CDATA[是贴片式的LED还是插件LED，功率多少瓦？多少个灯珠？]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1527617.html]]></link>
 <author><![CDATA[小雨点]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Fri, 27 Dec 2013 02:21:32 +0000]]></pubdate>
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 <description><![CDATA[[quote]引用第13楼小雨点于2013-12-19 11:18发表的&nbsp;&nbsp;:
主要是散热问题没处理好，你考虑一下他的工作环境。LED灯里有稳压电路，应该不是电压的问题。
[/quote]
LED里有稳压电路？不可能吧，电压过高或电流过大皆可烧毁LED！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1524693.html]]></link>
 <author><![CDATA[sss6491]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Fri, 20 Dec 2013 01:42:09 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[主要是散热问题没处理好，你考虑一下他的工作环境。LED灯里有稳压电路，应该不是电压的问题。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1524336.html]]></link>
 <author><![CDATA[小雨点]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Thu, 19 Dec 2013 03:18:04 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流大]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1504528.html]]></link>
 <author><![CDATA[新异自强]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 02 Nov 2013 05:10:18 +0000]]></pubdate>
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 <description><![CDATA[串联一个电阻试试，亮度可以就行。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1502338.html]]></link>
 <author><![CDATA[ysz0377]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 28 Oct 2013 08:50:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[灯的原因，]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1502302.html]]></link>
 <author><![CDATA[wangxiweng]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Mon, 28 Oct 2013 07:37:27 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加个电阻限一下流。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1412398.html]]></link>
 <author><![CDATA[wxbplc]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Thu, 21 Feb 2013 14:05:59 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[电流大容易大LED灯珠，检查一下电流是不是太高了，一般灯珠的额定电流是20mA]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1407139.html]]></link>
 <author><![CDATA[formatz]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Sat, 26 Jan 2013 15:09:15 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用万用表二极管档就知道了]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1405816.html]]></link>
 <author><![CDATA[martinpanplc]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 23 Jan 2013 05:20:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[量下电压有没有问题呀]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1405768.html]]></link>
 <author><![CDATA[hutusheng]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 23 Jan 2013 02:42:09 +0000]]></pubdate>
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 <description><![CDATA[拍几个清晰照片，帮您看看。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1405761.html]]></link>
 <author><![CDATA[honggun]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 23 Jan 2013 02:33:55 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[加一个稳压电源]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1405373.html]]></link>
 <author><![CDATA[287373927]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Tue, 22 Jan 2013 03:08:14 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[怎么没有其他的原因了、]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1405342.html]]></link>
 <author><![CDATA[nazid1231]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Tue, 22 Jan 2013 02:45:31 +0000]]></pubdate>
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 <description><![CDATA[二极管坏就是电流太大了，负载太大。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-1418578#1403181.html]]></link>
 <author><![CDATA[sunzhihaowy]]></author>
 <category><![CDATA[资料互助]]></category>
 <pubdate><![CDATA[Wed, 16 Jan 2013 08:04:05 +0000]]></pubdate>
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