联想S899t手机电路分析及维修方法

Circuit Analysis and Maintenance Methods of Lenovo S899t Mobile

S899t手机是联想公司2012年推出的一款采用ST-Ericsson Nova AP9500应用处理器的新机型。该机型在市场上有一定的代表性,但关于该机型维修资料较少,作者在该款故障机的修理过程中对该机电路工作原理及维修方法进行了系统整理,文章将该机的电路分析及维修方法总结出来,供广大手机维修人员参考。

Lenovo S899t Mobile with the application processor ST-Ericsson Nova AP9500 is a new model introduced by Len-ovo Group in 2012. This model is considerably representative in the market. However, the information about its maintenance is insufficient. Thus, based on the experience of repairing the fault mobiles of this model, the writer systematically analyzes its cir-cuit operation principles and sums up its basic maintenance methods, in expectation of providing the maintenance staff with some reference.