LA76818A各脚电压、电阻及其他数据

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LA76818A各脚电压、电阻及其他数据作者: 时间:2004-10-31 引脚序号标号       功能电压值(V)对地阻值(K?)黑笔接地红笔接地1AUDIO伴音输出2.210102FM OUT伴音调频解调2.211133PIF AGC中放AGC滤波2.411.813.94RF AGC OUT高放AGC输出2.211.2325PIF IN中频输入2.811.2126PIF IN中频输入2.811.2127IF GND中频电路地0008VCC(VIF)图像中频供电4.90.50.29FM FIL调频解调滤波2.1121410AFT OUTAFT信号输出2.28.513.511BUS DATA总线数据线4.673412BUS COLCK总线时钟线4.663413ABL自动亮度限制输入48.1814R IN字符红信号输入0.0251112.815G IN字符绿信号输入0.02511.512.816B IN字符蓝信号输入0.023.42.817BL IN字符消隐信号输入044.418VCC(RGB)RGB电路供电7.90.840019R OUT红信号输出2.811.11020G OUT绿信号输出2.511.11021B OUT蓝信号输出2.611.11022SYNC同步信号输出0.58.21323V OUT场激励信号输出2.31111.524V RAMP ALC FIL场信号形成滤波2.91213.225VCC(H/D)行场激励信号电路供电5.10.80.426AFC FILAFC滤波2.651213.527H.OUT行激励信号输出0.62.92.228FBP IN反馈脉冲输入1.111.512.229I REF行振荡参考输入1.65.55K30CLOCK OUT行振荡信号输出*0.98.414K311 HDL VCC1行延迟线供电40.80.48321 HDL VCC OUT1行延迟线自举升压7.550.79∞33GND1行延迟/行电路地00034SECAM B-Y INSECAM蓝色差输入2.211.51235SECAM R-Y INSECAM红色差输入2.211.51236C AFC2 FIL彩色AFC2滤波3.112.513.237FSC OUTSECAM制使用1.71.49.538XTAL晶振2.7512.313.239C AFC1 FIL彩色AFC1滤波3.51213.940SELECT V.OUT视频信号选择输出2.21212.141GND(V/C/D)地00042EXT V.IN外部视频信号输入2.512.314.543VCC(V/C/D)供电4.90.550.244INT V.IN内部视频信号输入2.61213.645BLACK STR黑电平延伸滤波3.81213.846VIDEO OUT视频信号输出2.121.547APC FIL38MHZ解调APC滤波3.112.213.248VCO COIL中频解调中周41.20.749VCO COIL中频解调中周41.10.850VCO FIL压控振荡器滤波2.2512.513　EXT AUDIO外部音频信号输入1.611.510.252SIF OUT伴音中频输出1.811.514.753SIF APC FIL伴音解调APC滤波21213.254SIF IN伴音中频输入312.513.9