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4.二次电源电路CPD-201VS 显示器二次电源电路如图4所示。它在 IC501的①脚加上+12V 直流电压,其内基准电压源工作为控制电路提供偏置,OSC 内恒流源对
4. Secondary power circuit CPD-201VS display secondary power circuit shown in Figure 4. It is in the IC501 ① pin + 12V DC voltage, the internal reference voltage source for the control circuit to provide bias, the OSC constant current source pair