问题:手机开机后,工作的次序依次是电源、时钟、逻辑、()、接受、发射...
Saturday, September 17, 2022
Friday, January 20, 2023
Friday, March 10, 2023
Saturday, September 17, 2022
Wednesday, July 9, 2025
问题:2014年网点KPI考核中,工单合格率的清零值为()...
Saturday, September 17, 2022
Wednesday, July 9, 2025
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:以下业务中属于补充业务的是()。A、号码识别类业务B、呼叫限制类业务C、呼叫转移类业务D、呼叫完成类业务...
Wednesday, July 9, 2025
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
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,一般可归结为电路接点开路,电子元器件损坏和软件故障三种故障。()...
Friday, February 7, 2025
问题:Y76本地MIC送话无声问题,与以下哪个器件关联性最大?()...
Saturday, September 17, 2022
问题:良好的焊接,焊点要求:焊点表面有金属光泽,吃锡面80%以上,爬锡高度最低应超过端头的()。A、3/2B、60%C、50%D、80%...
Thursday, February 13, 2025
问题:7620L背光驱动IC(U1801)输入供电信号是()A、VCCB、VPH_PWRC、BL_LEDPD、AP_BL_EN...
Monday, October 31, 2022
Thursday, February 13, 2025
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: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
问题:实例说明:三星N188手机无信号,用烙铁加热主时钟晶体13M,手机故障消失。...
Friday, February 7, 2025
问题:SK1-01背光驱动IC(U1801)输入供电信号是()...
Saturday, September 17, 2022