TDA9370管脚简介

2008-03-07 07:56:48  阅读 86 次 评论 0 条
摘要:

1待机控制输出脚33行振荡输出脚 2时钟线34消隐脉冲输入脚,沙堡脉冲输出脚 3数据线35外部音频输入脚 4调谐控制脚36高压跟踪和过压保护脚 5RF-NTSC制控制脚37PLL锁相环路滤波电路 6按键控制脚38全电

1 待机控制输出脚                                                   33 行振荡输出脚    
2 时钟线                                                                   34 消隐脉冲输入脚, 沙堡脉冲输出脚    
3 数据线                                                                   35 外部音频输入脚    
4 调谐控制脚                                                           36 高压跟踪和过压保护脚    
5 RF-NTSC制控制脚                                               37 PLL 锁相环路滤波电路    
6 按键控制脚                                                           38 全电视信号输出脚,    
7 音量控制脚                                                           39 8 V视频处理供电     [Page]
8 音量控制和mute控制脚                                        40 本机视频信号输入    
9 地                                                                           41 地    
10 高频头频段控制脚                                             42 外部视频信号输入    
11 高频头频段控制脚                                             43 S端子色度输入脚    
12 地                                                                         44 音频信号输出    
13                                                                           45 内/外部YUV信号开关     [Page]
14 8 V视频处理供电                                               46 外部DVD输入脚(R)    
15 数字去耦脚                                                         47 外部DVD输入脚(Y)    
16 PH2LF外接滤波                                                 48 外部DVD输入脚(B)    
17 PH1LF外接滤波                                                 49 CRT和高压束流限制电路输出脚    
18 地                                                                         50 束流检测控制和场保护的功能    
19 高频去耦电容                                                     51 R信号的输出脚     [Page]
20 外接AVL电容/东西校正输出                            52 G信号的输出脚    
21 场驱动电流输出脚                                             53 B信号的输出脚    
22 场驱动电流输出脚                                             54 3.3 V模拟供电    
23 IF输入                                                                 55 地    
24 IF输入                                                                 56 3.3 V数字供电    
25 场锯齿波外接电阻                                             57 晶振接地脚    
26 场锯齿波外接电容                                             58 外接12M晶振     [Page]
27 RF AGC信号输出至电调                                   59 外接12M晶振    
28 伴音中频去加重                                                 60 电脑复位脚    
29 伴音中频低通滤波                                             61 3.3 VI/O口供电脚    
30 地                                                                         62 AV/TV切换控制脚    
31 伴音中频AGC控制                                             63 AV/TV切换控制脚    
32 音量控制外接AVL电容                                     64 遥控信号输入脚
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