M52340SP
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| 脚号 | 符 号 | 功 能 | 直流电压( V ) |
|---|---|---|---|
| 1 | AFT OUT | AFT输出 | 3.7 |
| 2 | LIMITER IN | 伴音中频输入 | 2.1 |
| 3 | RF AGC OUT | 高频AGC输出 | 7.8 |
| 4 | IF AGC FILTER | 中频AGC滤波、VTR开关 | 2.8 |
| 5 | VIF GND | 中频地 | 0 |
| 6 | VIF IN | 中频信号输入 | 1.4 |
| 7 | VIF IN | 中频信号输入 | 1.4 |
| 8 | VIF Vcc | 中频电路供电 | 5 |
| 9 | H Vcc | 行启动电源 | 7.6 |
| 10 | IIL Vcc | 中频电路供电 | 1.3 |
| 11 | SCL | I2C总线时钟信号输入 | 5 |
| 12 | SCP OUT | 沙堡脉冲输出 | .8 |
| 13 | H OUT | 行激励脉冲输出 | 1.6 |
| 14 | H DSC | 行500晶振 | 3.8 |
| 15 | SDA | I2C总线数据信号输入 | 5 |
| 16 | AFC1 FILTER | AFC1滤波 | 4.4 |
| 17 | GND | 地 | 0 |
| 18 | V OUT | 场激励信号输出 | 6 |
| 19 | AFC2 FILTER | AFC2滤波 | 4 |
| 20 | HI Vcc | 8V供电 | 8 |
| 21 | B OUT | B基色信号输出 | 3 |
| 22 | G OUT | G基色信号输出 | 3 |
| 23 | R OUT | R基色信号输出 | 3 |
| 24 | VCO Vcc | VCO电路5V供电 | 5 |
| 25 | B IN | 外B信号输入 | 2.2 |
| 26 | CONTRAST | 自动对比度控制 | 3 |
| 27 | G IN | 外G信号输入 | 2.2 |
| 28 | COINCIDENCE | 音频信号负反馈 | 6.2 |
| 29 | R IN | 外R信号输入 | 6.2 |
| 30 | KILLER FILTER | 色信号电路外接滤波器 | 2.6 |
| 31 | FAST BLK | 字符快速消隐信号输入 | 0 |
| 32 | 3.58M | 3.58MHz晶振 | 3 |
| 33 | AUDIO BYPASS | 音频旁路 | 3.2 |
| 34 | ID FILTER | ID滤波器 | 1.8 |
| 35 | APC FILTER | APC滤波器 | 2.8 |
| 36 | TV IN | TV视频信号输入 | 2.2 |
| 37 | VCO GND | VCO地 | 0 |
| 38 | Y SW OUT | Y信号输出(至同步分离) | 2.6 |
| 39 | 4.43M | 4.43MHz晶振 | 3 |
| 40 | SYNC SEP IN | 同步分离输入 | 5.8 |
| 41 | B-Y OUT | B-Y解调输出 | 2.2 |
| 42 | SECAN REF | SECAN接口 | 1.4 |
| 43 | R-Y OUT | R-Y解调输出 | 2.2 |
| 44 | B-Y IN | B-Y解调输入 | 2.8 |
| 45 | R-Y IN | R-Y解调输入 | 2.6 |
| 46 | AUDIO OUT | 音频输出 | 3.2 |
| 47 | AUDIO Vcc | 音频电路供电 | 7.8 |
| 48 | FM DIRECT OUT | 伴音中频去加重电容 | 2.8 |
| 49 | VCO | PIF调谐回路 | 4 |
| 50 | VCO | PIF调谐回路 | 4 |
| 51 | VIDEO APCFILTER | 视频APC电路滤波器 | 3 |
| 52 | VIDEO OUT | 视频信号输出 | 3.2 |
看看百度收录：［ M52340SP］
2010-11-16 19:52:50统计：［］
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