The article analyses the reason of retrace line which is produced by changing line output transformer of TV set and its removing method on the basic of color TV set circuit and its working principle.
2
此脉冲信号还是行计数器的触发信号,间接地控制振镜场扫的正程和逆程。
The horizontal line's counter is also activated by this signal to control galvanometer up and down.