把摄像机电源也拆了看看。四个电源刚送到手,有一个就是坏的,还好,打电话很快就换了。对它的质量担心啊!正好拆开看看。
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电路板尺寸大了,硬塞进去弯曲了:
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电源主控IC用GR8836,同期买的四个电源就有三个批号(C9003,C4040,C9017),让人费解:
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光耦用台湾方晶科技FL 817C:
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MOS管没有标记:
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主电解电容也用了Rubycon,Capxon两个牌子,容量不一致;元件焊得歪歪倒倒:
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低压滤波电容和散热板贴在一起,很大的隐患:
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电路板上锡珠处处可见,让人心惊:
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主控IC的一只空脚被粘了锡,差一点短路:
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拆后语:这样质量的电源谁知道啊,会耐用吗?价格还不低,每个35元,在电子市场不过就10~15元。会砸牌子地,我是不会再买了,但愿龙视安会改进。
谢谢观看!