康佳彩电SA系列维修资料（１）

芯片LA76931(CKP1504S)引脚功能数据

引脚符号功能电压（V）对地电阻（KΩ）有信号无信号待机红笔接地黑笔接地1SIF伴音中频输出2.32.2012.210.22IFAGC图象中放AGC检波2.52.3010.89.63SIF伴音中频输入3.33.3011.511.24FM调频检波滤波器2.22.2011.711.25FMOUTFM输出2.02.6010.59.56VOLOUT音频输出2.32.202.53.07SNDAPC伴音中频解调APC滤波器2.30.6012128IFVCC中频电路+5V供电5.05.000.50.59AUDIOIN外部音频输入1.81.80131110ABL自动束电流控制输入3.83.80.8111011RGB.VCCRGB矩阵电路供电8.38.300.40.412R.OUTR基色信号输出2.52.507.01013G..OUTG基色信号输出2.52.407.01014B.OUTB基色信号输出2.52.507.01015N.C不连接000∞∞16V.RANP场锯齿波电压形成端1.91.90111117VDR.OUT场激励脉冲输出2.32.30.7111018VCO行振荡基准电流设置端1.71.704.54.519VCC行启动和行电路供电5.15.200.50.520AFC行AFC环路滤波2.82.70131121HDR.OUT行激励脉冲输出0.50.509.01022GND视频/色度/偏转地0000023INT0/P00不连接000∞4.024INT1/P01不连接000∞4.025P02SVHS控制5.05.05.0104.026INT3/P03红外遥控信号输入4.94.94.9114.027AV2AV1外部接口输入000248.028AV2AV1外部接口输入000248.029P17不连接000248.030MUTE静音控制信号输出005.0119.031SDA总线串行数据输入/输出4.84.84.9117.032SCL总线串行时钟输出4.84.84.9117.033XT1.XT2时钟振荡器0.020.020.02258.034XT1.XT2时钟振荡器2.02.02.1238.035CPUVCCCPU电源端5.05.05.06.05.036POWER开/关控制5.05.006.05.037-空4.94.94.9128.038AGC自动增益控制2.14.40108.039KEY本机键控信号输入4.94.94.9138.040RESETRESET(复位)5.15.15.16.05.541PLL色相位PLL(锁相环)环路滤波3.23.22.9248.042CPUGNDCPU接地0000043CDDVCC色度.行延迟线电源供电5.15.100.4.0444FBTINPUT逆程脉冲输入0.80.903.03.045Y/CY/C模式色度y输入2.22.20121146Y/CY/C模式色度C输入2.72.70121247DDSDDS滤波器2.52.50121148YCBCRYCBCR模式Y输入1.91.90111049YCBCRYCBCR模式CB输入2.62.601211504.33MHz晶体4.33MHz晶体接入1.91.90111151YCBCRYCBCR模式CR输入2.42.50131152SVO/FSC内部开关选通视频信号输出2.82.80121153APC色度APC(自动频率控制)滤波器2.52.50121154EXT-V外部视频输入2.52.50121155VCDVCC5V视频.亮度电路供电4.94.900.40.456INT-VINT视频输入2.52.60121157BLACK黑电平检波滤波2.92.90111058PIF-APC图像载频锁相环滤波2.42.00111059AFTOUTAFT输出1.94.80118.060VIDEOOUT视频输出2.53.309.08.061RFAGCRFAGC输出1.94.40108.062IFGNDIF接地0000063PIFIN图像中频信号平衡输入2.92.90111064PIFAMF图像中频信号平衡输入2.92.901110

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相关链接: 上海家电维修网 上海维修空调 上海家电维修 

 首页|公司简介|行业动态|服务网点|技术资料|公司荣誉|客户留言 

测电压值为H段:

1#3.8V.2#4.1V.3#4.1V.4#2.4V.5#0.1V.6#3.2V.7#0V.8#0.1V.9#0V.10#0.1V.11#0V.12#0V

13#2.7V.14#8V.15#5V.16#3.4V.17#3.9V.18#0V.19#4V.20#0.5V.21#2.2V.22#2.2V.23#1.8V

24#1.8V.25#3.9V.26#3.8V.27#1.7V.28#3V.29#2.3V.30#0V.31#2.3V.32#0.1V.33#0.5V.34#

0.6V.35#0V.36#1.9V.37#2.4V.38#3.2V.39#8V.40#4V.41#0V.42#3.5V.43#1.5V.44#3.1V

45#1.5V.46#2.6V.47#2.6V.48#2.6V.49#2.8V.50#5.7V.51#2.4V.52#2.4V.53#2.4V.

54#3.3V.55#0V.56#3.3V.57#0V.58#1.5V.59#1.6V.60#0V.61#3.3V.62#0V.

63#0.2V.64#4.5V.

上海速达维修网沪ICP备06030634号 地址:上海市闵行区罗锦

康佳彩电SA系列维修资料（１）

芯片LA76931(CKP1504S)引脚功能数据

引脚符号功能电压（V）对地电阻（KΩ）有信号无信号待机红笔接地黑笔接地1SIF伴音中频输出2.32.2012.210.22IFAGC图象中放AGC检波2.52.3010.89.63SIF伴音中频输入3.33.3011.511.24FM调频检波滤波器2.22.2011.711.25FMOUTFM输出2.02.6010.59.56VOLOUT音频输出2.32.202.53.07SNDAPC伴音中频解调APC滤波器2.30.6012128IFVCC中频电路+5V供电5.05.000.50.59AUDIOIN外部音频输入1.81.80131110ABL自动束电流控制输入3.83.80.8111011RGB.VCCRGB矩阵电路供电8.38.300.40.412R.OUTR基色信号输出2.52.507.01013G..OUTG基色信号输出2.52.407.01014B.OUTB基色信号输出2.52.507.01015N.C不连接000∞∞16V.RANP场锯齿波电压形成端1.91.90111117VDR.OUT场激励脉冲输出2.32.30.7111018VCO行振荡基准电流设置端1.71.704.54.519VCC行启动和行电路供电5.15.200.50.520AFC行AFC环路滤波2.82.70131121HDR.OUT行激励脉冲输出0.50.509.01022GND视频/色度/偏转地0000023INT0/P00不连接000∞4.024INT1/P01不连接000∞4.025P02SVHS控制5.05.05.0104.026INT3/P03红外遥控信号输入4.94.94.9114.027AV2AV1外部接口输入000248.028AV2AV1外部接口输入000248.029P17不连接000248.030MUTE静音控制信号输出005.0119.031SDA总线串行数据输入/输出4.84.84.9117.032SCL总线串行时钟输出4.84.84.9117.033XT1.XT2时钟振荡器0.020.020.02258.034XT1.XT2时钟振荡器2.02.02.1238.035CPUVCCCPU电源端5.05.05.06.05.036POWER开/关控制5.05.006.05.037-空4.94.94.9128.038AGC自动增益控制2.14.40108.039KEY本机键控信号输入4.94.94.9138.040RESETRESET(复位)5.15.15.16.05.541PLL色相位PLL(锁相环)环路滤波3.23.22.9248.042CPUGNDCPU接地0000043CDDVCC色度.行延迟线电源供电5.15.100.4.0444FBTINPUT逆程脉冲输入0.80.903.03.045Y/CY/C模式色度y输入2.22.20121146Y/CY/C模式色度C输入2.72.70121247DDSDDS滤波器2.52.50121148YCBCRYCBCR模式Y输入1.91.90111049YCBCRYCBCR模式CB输入2.62.601211504.33MHz晶体4.33MHz晶体接入1.91.90111151YCBCRYCBCR模式CR输入2.42.50131152SVO/FSC内部开关选通视频信号输出2.82.80121153APC色度APC(自动频率控制)滤波器2.52.50121154EXT-V外部视频输入2.52.50121155VCDVCC5V视频.亮度电路供电4.94.900.40.456INT-VINT视频输入2.52.60121157BLACK黑电平检波滤波2.92.90111058PIF-APC图像载频锁相环滤波2.42.00111059AFTOUTAFT输出1.94.80118.060VIDEOOUT视频输出2.53.309.08.061RFAGCRFAGC输出1.94.40108.062IFGNDIF接地0000063PIFIN图像中频信号平衡输入2.92.90111064PIFAMF图像中频信号平衡输入2.92.901110

本页内容来自互联网，涉及版权问题请联系本站整理。

相关链接: 上海家电维修网 上海维修空调 上海家电维修 

 首页|公司简介|行业动态|服务网点|技术资料|公司荣誉|客户留言 

上海速达维修网沪ICP备06030634号 地址:上海市

康佳彩电SA系列维修资料（１）

芯片LA76931(CKP1504S)引脚功能数据

引脚符号功能电压（V）对地电阻（KΩ）有信号无信号待机红笔接地黑笔接地1SIF伴音中频输出2.32.2012.210.22IFAGC图象中放AGC检波2.52.3010.89.63SIF伴音中频输入3.33.3011.511.24FM调频检波滤波器2.22.2011.711.25FMOUTFM输出2.02.6010.59.56VOLOUT音频输出2.32.202.53.07SNDAPC伴音中频解调APC滤波器2.30.6012128IFVCC中频电路+5V供电5.05.000.50.59AUDIOIN外部音频输入1.81.80131110ABL自动束电流控制输入3.83.80.8111011RGB.VCCRGB矩阵电路供电8.38.300.40.412R.OUTR基色信号输出2.52.507.01013G..OUTG基色信号输出2.52.407.01014B.OUTB基色信号输出2.52.507.01015N.C不连接000∞∞16V.RANP场锯齿波电压形成端1.91.90111117VDR.OUT场激励脉冲输出2.32.30.7111018VCO行振荡基准电流设置端1.71.704.54.519VCC行启动和行电路供电5.15.200.50.520AFC行AFC环路滤波2.82.70131121HDR.OUT行激励脉冲输出0.50.509.01022GND视频/色度/偏转地0000023INT0/P00不连接000∞4.024INT1/P01不连接000∞4.025P02SVHS控制5.05.05.0104.026INT3/P03红外遥控信号输入4.94.94.9114.027AV2AV1外部接口输入000248.028AV2AV1外部接口输入000248.029P17不连接000248.030MUTE静音控制信号输出005.0119.031SDA总线串行数据输入/输出4.84.84.9117.032SCL总线串行时钟输出4.84.84.9117.033XT1.XT2时钟振荡器0.020.020.02258.034XT1.XT2时钟振荡器2.02.02.1238.035CPUVCCCPU电源端5.05.05.06.05.036POWER开/关控制5.05.006.05.037-空4.94.94.9128.038AGC自动增益控制2.14.40108.039KEY本机键控信号输入4.94.94.9138.040RESETRESET(复位)5.15.15.16.05.541PLL色相位PLL(锁相环)环路滤波3.23.22.9248.042CPUGNDCPU接地0000043CDDVCC色度.行延迟线电源供电5.15.100.4.0444FBTINPUT逆程脉冲输入0.80.903.03.045Y/CY/C模式色度y输入2.22.20121146Y/CY/C模式色度C输入2.72.70121247DDSDDS滤波器2.52.50121148YCBCRYCBCR模式Y输入1.91.90111049YCBCRYCBCR模式CB输入2.62.601211504.33MHz晶体4.33MHz晶体接入1.91.90111151YCBCRYCBCR模式CR输入2.42.50131152SVO/FSC内部开关选通视频信号输出2.82.80121153APC色度APC(自动频率控制)滤波器2.52.50121154EXT-V外部视频输入2.52.50121155VCDVCC5V视频.亮度电路供电4.94.900.40.456INT-VINT视频输入2.52.60121157BLACK黑电平检波滤波2.92.90111058PIF-APC图像载频锁相环滤波2.42.00111059AFTOUTAFT输出1.94.80118.060VIDEOOUT视频输出2.53.309