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故障现象“:二次”不能开机。故障分析:行扫描电路没工作。TDA8843型机芯的彩色电视机在CPU启动工作后,由I2C总线对TDA8843输出行振荡工作指令,并同时检测行扫描电
Symptom “: twice ” can not boot. Failure Analysis: Line scan circuit did not work. TDA8843-type movement of the color TV in the CPU to start working by the I2C bus on the TDA8843 output line oscillation work instructions, and also detect the line scan power