IC手册|TA8659(A机芯)视频色度扫描信号处理电路

IC手册|TA8659(A机芯)视频色度扫描信号处理电路

07-28 16:50:30  浏览次数:305次  栏目:电视维修
标签:液晶电视维修,长虹电视维修,康佳电视维修, IC手册|TA8659(A机芯)视频色度扫描信号处理电路,http://www.nx899.com
脚号有信号电压/V正向对地电阻/KΩ反向对地电阻KΩ引脚功能18.61012.5SECAM制B-Y去加重测试端28.488R-Y输出38.41013SECAM制R-Y去加重48.69.513SECAM制B-Y鉴频网络50.410.5136120.30.3色度信号处理电路供电73.21013色饱和度控制80.510.513SECAM制R-Y鉴频网络96.69.513105.8/09.512PAL/SECAM制开关115.8/09124.43M/3.58M开关1251012色度信号延时输入1351012直流偏置147.622色度信号延时激励/色度输出155.833NTSC色调调整168.69.513ACC滤波173.41012直流反馈184.49.512SECAM制信号输入19000色度信号地205.81012PAL/NTSC信号输入2129.512PAL/NTSC/SECAM制开关225.21012PAL识别滤波235.48.59.5SECAM识别滤波口244.81013SECAM基准254.89.512APC滤波263.266外接4.43M晶振274.61012NTSC识别283.266外接3.58M晶振290.81.31.3场激励输出308.41013压控晶振3161013场锯齿波形成326.28.59.5场负反馈输入336.81013同步分离输入3439.529选通脉冲滤波351.21012行消隐输入/输出367.21024AFC滤波3761013压控振荡器386.41014行逆程脉冲输入392.211行输出409.1712行电源414.577R输出424.577G输出434.588.5B输出441.21013R箝位451.21013G箝位461.21013B箝位471.81013外加R输入483.6911亮度控制输入491.81013外加G输入50000视频偏转电路地511.81013外加B输入5201012X射线保护53089.5TV/外输入开关54011色度开关557.80.70.7色度控制输入563.21013微分信号输入572.41013箝位584.41013Y/视频信号输入594911对比度控制601.41013R-Y输入61120.50.5供电621.41013B-Y输入63120.50.5供电648.488.5B-Y输出
,IC手册|TA8659(A机芯)视频色度扫描信号处理电路
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