TCL王牌液晶彩电LCD26H机芯故障检修要点(二)

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①视频信号处理流程模拟板与普通电视机中信号处理部分功能相同,可接受多种输入信号格式,如RF电视射频信号、CVBS复合电视信号、S-Video信号等。从端口P3-2的⑤脚输出的复合视频信号CVBS,经C204耦合电容后从IC201的脚送入TDA9321H(IC201)内部进行处理。脚(CVBSint)进入的TV复合视频信号,(16)脚(CVBSl)进入的AV视频信号,(18脚)(CVBS2)进入的自测 ① video signal processing flow Simulation board and ordinary TV signal processing part of the same function, can accept a variety of input signal formats, such as RF TV RF signals, CVBS composite TV signals, S-Video signals. The composite video signal CVBS output from the ⑤ pin of the port P3-2 is sent to the TDA9321H (IC201) from the pin of the IC201 through the C204 coupling capacitor for processing. TV composite video signal into CVBSint, AV video signal into (CVBS1) into (18 feet) (CVBS2) incoming self-test
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