你说的是不是LA76931。LA76931引脚功能:1.SIF[伴音中频输出],2.IFAGC[中放AGC滤波],3.SIF[伴音中频输出],4.SH[调频、滤波],5.FH/OUT[调频、伴音中频输出},6.VOL/OUT[音频相输出},7.SND/APC{音频相位滤波},8.IF/Vcc{中放电源},9.AUDIO/IN{外接音频输入},10.ABL{ABL输入},11.RGB/Vcc{RGB输出级电源},12.R/OUT{红基色信号输出},13.G/OUT{绿基色信号输出},14.B/OUT{蓝基色信号输出},15.NC{未用}16.VRANP{外接场斜波振荡电容},17.VDR/OUT{场激励输出},18.VCO{电流基准},19.Vcc{电源},20.AFC{自动频率控制滤波},21.HDR/OUT{行激励输出},22.GND{地},23.INTO/POO{不连接},24.INT1/PO1{不连接},25.PO2{静音控制},26INT3/PO3{红外遥控信号输入},27.AV2/AV1{外部接口输入},28.AV2/AV1{外部接口输入},29.P17{不连接},30.MUTE{静音},31.SDA{IC总线数据线},32.SCL{IC总线时钟线},33.XT1/XT2{外接主频时钟振荡器},34.XT1/XT2{外接主频时钟振荡器},35.CPUVcc{电源},36.POWER{遥控电源开关},37.NC{未用},38.AGC{自动增益控制},39.KEY{键控输入},40.RESET{复位},41.PLL{PLL环路滤波},42.CPU/GND{地},43.CDD/Vcc{CDD电源},44.FBP/INPUT{行逆程脉冲输入},45.Y/C{色度C输入},46.Y/C{亮度Y输入},47.DDS{DDS滤波器},48.YCBCR{快消隐输入},49.YCBCR{色差信号Cb输入},50.4.43MHZ{4.43MHZ压控振荡},51.YCBCR{色差信号Cr输入},52.SVO/FSC{被选择的视频/中频检波输出},53.AFC{彩色相位滤波},54.EXT-V{外接视频/S-VHS模式Y输入},55.VCD/Vcc{视频、彩色、偏转模块电源5V},56.INT-V{INR、视频输入},57.BLACK{黑色电平延伸滤波},58.PIF/AFC{PIFAFC滤波器],59.AFT/OUT[AFT输出],60.VIDEO/OUT[视频输出],61.RF.ACC[RF,ACC输出],62.IF/GND[IF地],63.PIE/IN[图象中频、AMP输入],64.PIF/AMP[图象中频、AMP输入]。 光远 2009-12-02
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