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用改刀旋下前盖的固定螺丝:
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镜头光圈F1.2,通光量比较大,可以在较低照度下工作:
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一体化机芯固定在机壳内,继续卸下固定螺丝:
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上层是电源板:
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移开上层电源板:
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下面是电源板背面:
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下层是CCD板,采用SONY方案,电路板上的CXD3142R是一款能对黄、青、品、绿四色编码CCD解码的单片大规模集成电路。它除了基本的视频信号处理功能电路外,还具有自动曝光、白平衡检测电路,同步信号发生电路和外围同步电路的功能。它最大的特点是内建微处理器能识别基本的视频功能,而无需外加处理器。同时还配备了最高510线CCD的时基匹配电路、亮度/色度的信号侦测和处理电路:
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用改刀旋下CCD板上固定镜头的螺丝,取下镜头:
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取下镜头后,看见电路采用SONY 1/3” CCD,图像效果比一般的1/4”效果要好:
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该摄像机采用第三代功率型红外LED灯(单芯片1W)
用小刀撬出二次光学透镜:
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采用台湾晶元公司的第三代42mil大功率(1W)红外LED芯片:
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LED表面一次透镜采用硅胶,且封装方向从平面向朗伯体(漫反射体)发展,利于出光。配合二次光学透镜使用,体积小,功率大、发光效率高、寿命可靠。
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