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厦新SVD678Y超级VCD激光伺服放大板由光电二极管信号放大和激光二极管电流驱动、主轴电机伺服控制、聚焦和径向伺服控制、数字信号处理、功率驱动和进出仓控制等组成。方框图如图1所示,图2为其电路原理图(笔者依据实物绘制,见中页每期一图)。
Xiamen SVD678Y Super VCD laser servo amplifier board by the photodiode signal amplification and laser diode current drive, spindle motor servo control, focusing and radial servo control, digital signal processing, power-driven and out of warehouse control and other components. Block diagram shown in Figure 1, Figure 2 for the circuit diagram (I draw based on the object, see the middle page of a map).