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三、电机的控制部分电机控制部分是微机的指令执行部分之一,如图9所示。当磁带插入带盒仓时,带盒开关A、B接通,电源开启,这时微机的指令执行部分引脚7送出高电平控制信号,通过D_(38)送到IC_3加载电机驱动集成块的引脚5逻辑控制端。IC_3的引脚2输出高电平,引脚10输出低电平,控制加载电机正向旋转加载。当磁带盒降到带盒仓的底部时,带盒开关接通,微机的引
Third, the motor control part of the motor control section is one of the instruction execution part of the computer, as shown in Figure 9. When the tape is inserted into the cassette holder, the cassette switches A and B are turned on and the power is turned on. At this time, the microcomputer’s instruction execution part pin 7 sends out a high level control signal and is sent to IC_3 through D_ (38) to load the motor driver integrated block Pin 5 logic control terminal. Pin 2 of IC_3 outputs high level and pin 10 outputs low level to control the loading motor to rotate in the forward direction. When the tape cassette down to the bottom of the cassette holder, cassette switch connected to the computer cited