创维TMPA8803CSN内部接口电路及终端信号功能表
脚号符号有信号电压/V黑笔接地电阻/KΩ红笔接地电阻/KΩ功能说明1SVIDEO4.67.011.0S端子亮度输入2MUTE07.011.0静音输出3KEY in0.37.09.4按键矩阵输入4UP Dvss000接地端5RESET4.84.64.6复位脚6X in2.17.712.2晶振输入7X out0.97.712.2晶振输出8TEST000测试脚9UP Dvvd4.82.22.2+5V供电10UP Dvss000接地脚11TV AGND000接地脚12FBP1.01.027.8回扫脉冲输入13Hout1.81.80.5行激励输出端14HAFC6.46.4+∞行同步信号分离滤波15Vsaw4.04.027.5常锯齿波滤波端16Vout4.64.613.5场激励输出端17Hvcc9.29.29.1行启动电源18NC0.90.90.8空脚19Cb in9.99.913.0B-Y信号输入20Y in9.79.713.0Y信号输入端21Cr in9.99.912.8R-Y信号输入端22VD AND000接地端23C in9.89.812.8色度信号输入端24V2 in9.89.812.8视频2信号输入端25TV DVcc3.43.49.1罗辑电源端26VI in2.02.012.8视频输入端27ABCL3.83.812.0自动亮度色度控制端28AU out3.43.411.0音频信号输出端29IF Vcc8.78.70.3中频+9V供电端30TV out3.53.510.2视频信号输出端31SIF out1.81.813.0伴音信号输出端32EXT AU in3.11012外部音频信号输入端33SIF in2.19.513伴音信号输入端34DC NF2.09.912直流负反馈外接电容35PIF PLL2.49.912.8PIF锁相环36IF Vcc4.40.80.8+5V供电脚（IF）37Reg Fil2.09.511.0外接电容滤波端38Deempha4.29.712.0SIF去加重39IF AGC1.59.812.8IF AGC滤波40IF GND000接地端（IF）41IF in09.012.2中频信号输入42IF in09.012.2中频信号输入43RF AGC1.69.511.2RI AGC输出端44TV YC VCC4.40.80.8+5V供电端45Monitoy out1.73.03.0监测输出46BLACK DET2.410.012.5黑电平检波47Chroma PLL1.79.913.0彩色锁相环48IK in000阴极检测电流输入端49RGB Vcc8.70..30.3R G B电源50Rout2.59.79.8红基色信号输出51Gout2.59.79.8绿基色信号输出52Bout2.59.79.8蓝基色信号输出53TV AGND000接地端54UP AGND000接地脚55UP AVdd4.82.22.2+5V供电56BAND4.85.66.0波段控制57SDA4.66.210.8I2C串行数据入/出58SCL4.66.810.8I2C串行数据入/出59VOL2.32.22.4音量控制60VT4.67.511.8调谐控制输出61BAND0.15.05.1波段控制162HSYNC3.47.411.2行同步脉冲输入63RMT in4.27.212.0遥控信号输入64power0.13.43.5电源待机控制输出
页:
[1]