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149180018:LED灯老化半个小时出现灯不亮,冷却后重新可以点亮,点亮一定时间后温度起来又不亮-----基本断定灯珠内部焊点出现脱落异常 (点亮时,用镊子按压不亮灯珠胶体是否发光,如果一按就亮,结果就出来了) (2017-06-23 09:42)
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z285459938:可以考虑灯珠焊点的问题,我也遇到过 (2017-07-18 11:56)
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linyandi0816:谢谢,学到很多 (2017-07-12 21:33)
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glw1212:led内部金线问题,SMT焊接焊点质量OKLED灯珠金线虚焊,有一下几种可能1.WiRE BOND 工艺问题(主要原因)2.受潮3.灯珠金线受外力(吸嘴、按压等)....... (2017-07-11 09:13)