第1页共23页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第1页共23页DMB1320-LCD外协一体机生产操作指导书修订履历表发行日期版本号修订内容修订人审核人核准人2010-10-251.0初次制定郑秀丽黄金生第2页共23页第1页共23页编号:时间:2021年x月x日书山有路勤为径,学海无涯苦作舟页码:第2页共23页目录1.主板尺寸图......................................................................................................................41.1.主板安装尺寸图及限高...........................................................................................41.2.主板实物图..............................................................................................................42.跳线及接口定义..............................................................................................................42.1.主板上跳线帽的设置...............................................................................................52.1.1.J10:单片机U21的供电方式.........................................................................52.1.2.J11:主板给液晶屏的供电电压.....................................................................52.1.3.J16:液晶屏的LVDS信号是单通道还是双通道数据输出............................62.2.外接口定义..............................................................................................................62.2.1.J7:用于连接液晶屏的信号接口...................................................................62.2.2.J15:外接指示灯/红外接收接口...................................................................72.2.3.J17:外部常备+5Vsb输入接口......................................................................72.2.4.J18:液晶屏背光控制接口.............................................................................82.2.5.JP14:电源+12V输入接口..............................................................................82.2.6.JP18:功放输出接口.......................................................................................82.2.7.JP1:+3.3V输出接口......................................................................................92.2.8.JP2:+12V输出接口........................................................................................92.2.9.J6:ITU656......................................................................................................92.2.10.JP11:SATA接口..............................................................................................92.2.11.JP12:+5V输出接口..................................................................................102.3.其它接口定义.........................................................................................................102.3.1.J8:VGA信号输出接口..................................................................................102.3.2.JP21:调试串口.............................................................................................102.3.3.JP7:调试串口...............................................................................................112.3.4.J3单片机升级接口.......................................................................................112.4.状态指示.................................................................................................................113.连接线的制作..................................................................................................