文档介绍：产品设计手册北京恒业世纪科技股份有限公司I目录消防应急广播系统总线型消防应急广播系统............................................................................................................................2总线型消防应急广播系统概述...................................................................................................................2总线型消防应急广播系统原理框图...........................................................................................................2总线型消防应急广播系统图1.....................................................................................................................3总线型消防应急广播系统图2.....................................................................................................................4总线型消防应急广播系统接线图...............................................................................................................5系统布线图......................................................................................................................................................6主要材料表......................................................................................................................................................71、HY5727B/5727B(增强型)广播区域控制盘..............................................................................................72、D/HY2723MP3播放盘.........................................................................................................103、HY273XD广播功率放大器.......................................................................................................................124、HY2724/HY2725扬声器...........................................................................................................................145、HY2722C-03麦克......................................................................................................................................156、安装步骤与调试方法...............................................................................................................................167、常见故障及处理方法.......................................................