彩屏手机屏灯不亮的克星,通杀所有屏灯不亮
彩屏手机屏灯不亮的克星,通杀所有屏灯不亮~ 精~
首先我们来说下屏灯电路的原理,高手就不必看了,有不对的地方就指教。
常见的屏灯电路有2中~
1: 灯是并联的,这种灯的控制是有控制管或电源直接控制,无须升压电路~
2: 灯是串联的,这种灯的控制都需要升压电路,CPU输出控制信号给升压管,升压管和线圈组成的震荡电路工作,输出10几伏的电压给屏灯供电~
并联灯的控制块坏,在找不到的情况下可以随便找一个NPN型的三极管,按照下图就可以在短短的几分钟内把机子修好~
complementary, and regulation freely of river lake water connected system, let library library connected, and River River communicates, ensure water resources left have live, and save of Xia, and long water, Increase the
complementary, and regulation freely of river lake water connected system, let library library connected, and River River communicates, ensure water resources left have live, and save of Xia, and long water, Increase the
complementary, and regulation freely of river lake water connected system, let library library connected, and River River communicates, ensure water resources left have live, and save of Xia, and long water, Increase the
串联灯升压电路的维修相信大家看了我下边画的图,就能在几分钟内把屏
灯不亮搞顶~
complementary, and regulation freely of river lake water connected system, let library library connected, and River River communicates, ensure water resources left have live, and save of Xia, and long water, Increase the
complementary, and regulation freely of river lake water connected system, let library library connected, and River River communicates, ensure water resources left have live, and save of Xia, and long water, Increase the