论文部分内容阅读
三、小信号处理电路保护电路在彩电小信号处理集成电路中,特别是扫描和亮度处理集成电路,大多设有“X”射线保护、ABL自动调整、行逆程脉冲输入、白平衡自动检测、黑电平嵌位等专用检测引脚。当这些专用引脚检测到电压、电流超出规定范围、脉冲异常或丢失时,在小信号处理集成电路内部具有相应的保护功能,进入保护状态。
Third, the small signal processing circuit protection circuit Small signal processing in color TV ICs, in particular scanning and brightness processing integrated circuits, most with “X ” ray protection, ABL automatic adjustment, line reverse pulse input, white balance automatic Detection, black level clasps and other special detection pin. When these special pin detects the voltage and current exceeds the specified range, the pulse is abnormal or lost, the corresponding protection function inside the small signal processing integrated circuit, into the protection state.