论文部分内容阅读
福日公司1996年初新上市的HFC—××78彩电(F43机芯),电源、行输出等部分与××75彩电(F91机芯)相同或类似,通道部分有较大的差别,主要特点是采用了飞利浦TDA8362彩电专用单片集成电路。该单片集成电路集成化程度高,功能强,包含了声表以后的全部小信号处理电路,与TDA4665(1H延时线)和TDA8395(SECAM解码)集成电路组成国际线路彩电。这部电路与日立CMT2195系列等机型类似。由于采用了TDA8362后,周围元件数量和可调整元件数量为目前福日彩电中最少的,不但提高了可靠性,也给维修带来了方便。分析检修这部分电路,对检修某些随机不附带电原理图的类似机种是很有帮助
Fu Horizons in early 1996 the new listing of HFC-× × 78 color TV (F43 movement), power supply, line output and other parts of the same or similar color TV (F91 movement) ×× 75, the channel part of a larger difference, the main features Philips TDA8362 is a dedicated color TV monolithic integrated circuit. The monolithic integrated circuit with a high degree of integration, strong function, including the sound meter after all the small signal processing circuit, and TDA4665 (1H delay line) and TDA8395 (SECAM decoding) integrated circuits constitute international circuit TV. This circuit and Hitachi CMT2195 series and other models similar. As a result of using the TDA8362, the number of components around and adjustable components for the current Fukuda TV at least, not only improved reliability, but also brought convenience to maintenance. Analysis and maintenance of this part of the circuit, to repair some of the random models are not attached with a schematic is helpful