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凯歌彩电(或某些机型)的场输出集成块一般都用IX0640,该集成块损坏后,很难买到。用LA7830代换元件易购,且价格还不到IX0640的一半,直接代换后,将场幅电位器稍作调整即可。笔者代换后,经过几年的时间使用,工作正常。LA7830直接代换LA7832与IX0640操作一样,如表1所示。表1直流电
Triumph color TV (or some models) field output manifold are generally used IX0640, the manifold is damaged, it is difficult to buy. With LA7830 replacement components easy to buy, and the price is less than half of IX0640, direct substitution, the field potentiometer can be slightly adjusted. After the substitution, after several years of time to use, work properly. The LA7830 directly replaces the LA7832 with the IX0640 operation, as shown in Table 1. Table 1 DC