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五、水平一条亮线或垂直线性不良 9228机型的场振荡、场激励放大是在小信号处理组合芯片TDA8305内部完成的。场频脉冲是通过分频器以行振荡器产生的行频信号计数分频获得。由于采用行、场数字式分频技术,使外围元件极少见无须调整。TDA8305A②脚内部为锯齿彼形成电路,分频后的场频脉冲通过②脚电容C_(143)的充放电作用产生场锯齿波电压,再经场频激励放大后由TDA8305A③脚输出送往场输出级TDA3654。TDA3654是一种能驱动多
Fifth, the level of a bright line or vertical linear bad 9228 models of field oscillation, field excitation amplification is done in a small signal processing chip TDA8305 internal. The field frequency pulse is obtained by dividing the line frequency signal generated by the line oscillator by the frequency divider. As a result of line, field digital frequency technology, so that the external components rarely seen without adjustment. TDA8305A ② foot inside the teeth form a serrated, frequency-divided after the field pulse through the foot capacitor C_ (143) charge and discharge effect of the sawtooth voltage field generated by the field excitation amplified by TDA8305A ③ foot output sent to the field output stage TDA3654. TDA3654 is a can drive more