问题:Y76背光驱动电路正常,显示黑屏、白屏、花屏问题,与以下哪些器件无关()A、C1958(陶瓷电容)B、L2200(高频贴片电感)C、D2009(TVS管)D、R101、R105(普通电阻)...
Saturday, February 11, 2023
Saturday, September 17, 2022
问题:大神Note(8670)亮度距离传感器测试失败问题,可能与以下哪...
Sunday, September 11, 2022
问题:在实际维修中,手机接插件容易出现(),一旦(),就会造成接触不良...
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:因振荡回路两串联电容的三个端点与振荡管三个管脚分别相接而得名的是...
Saturday, September 17, 2022
问题:2014年网点KPI考核中,工单合格率的清零值为()...
Saturday, September 17, 2022
问题:如果手机天线()、()、()均会引起手机灵敏度(),发射功率()...
Saturday, September 17, 2022
Saturday, September 17, 2022
Saturday, September 17, 2022
问题:将低频数字信号搭载到高频正弦波上称为数字调制。()...
Saturday, September 17, 2022
问题:SK1-01背光驱动IC(U1801)输入供电信号是()...
Saturday, September 17, 2022
问题:无论是自然损耗所出现的故障,还是人为损坏所出现的故障,一般可归结...
Saturday, September 17, 2022
问题:邮寄维修的维修时间不超过(),如维修确有难度需要延长维修时间,需...
Saturday, September 17, 2022
Monday, November 7, 2022
问题:T1(5951L)使用CSD工具哪个版本可以升级()...
Saturday, September 17, 2022
问题:附件类产品(如电池、耳机、充电器、数据线等)在三包期内出现产品质...
Saturday, September 17, 2022
问题:变压器在不通电的情况下可以用万用表的()来初步判断其好坏,通过测量其直流电阻阻值判断其初次级线圈是否开路。...
Saturday, February 24, 2024
Saturday, September 17, 2022
问题:V1-C工程模式进入方法,拨号盘输入:()A、*20121220#B、*#9527*#C、*20060606#D、*#*#83789#*#*...
Saturday, October 14, 2023