[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fKCdpGE6GveJcKXPbWydKP6vKBaXCYeflE5I5WEytgNE":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":40,"origin":112,"createTime":25},135630906,"v1","常用的液晶显示屏有( )",[8,9,10,11],"段码液晶屏","点阵屏","OLED、LED","TFT彩屏",[],[14,26,36,41,51,62,72,83,93,103],{"id":15,"source":5,"question":16,"options":17,"answer":21,"related":22,"type":23,"origin":24,"createTime":25},135630904,"\"坏点\"数量在( )个以内便是A级",[18,19,20],"2个","5个","10个",[],[],0,null,"2024-03-25T23:31:30+08:00",{"id":27,"source":5,"question":28,"options":29,"answer":34,"related":35,"type":23,"origin":24,"createTime":25},135630905,"在液晶电视机中信号经过高频头输出中频信号,图像和声音通过( )分离出音频信号和视频信号",[30,31,32,33],"鉴频器","滤波器","选择开关","声表面滤波器",[],[],{"id":4,"source":5,"question":6,"options":37,"answer":38,"related":39,"type":40,"origin":24,"createTime":25},[8,9,10,11],[],[],1,{"id":42,"source":5,"question":43,"options":44,"answer":49,"related":50,"type":40,"origin":24,"createTime":25},135630907,"液晶屏损坏的原因主要有( )",[45,46,47,48],"受摔碰、进水、受潮","胡乱拆卸","写错软件","保养不当",[],[],{"id":52,"source":5,"question":53,"options":54,"answer":59,"related":60,"type":40,"origin":24,"createTime":61},135630908,"液晶显示屏常见故障现象有( )",[55,56,57,58],"白屏","花屏","黑屏","亮线、亮带或暗线",[],[],"2024-03-25T23:31:31+08:00",{"id":63,"source":5,"question":64,"options":65,"answer":70,"related":71,"type":40,"origin":24,"createTime":61},135630909,"导致液晶显示屏出现花屏的故障原因有( )",[66,67,68,69],"驱动板电路","信号线的输入和屏线输出接口不良","液晶屏本身损坏","LVDS-TTL处理芯片损坏",[],[],{"id":73,"source":5,"question":74,"options":75,"answer":80,"related":81,"type":40,"origin":24,"createTime":82},135630910,"液晶电视电源主要由( )构成",[76,77,78,79],"副电源","主电源","PFC电源","过压过流保护和开待机",[],[],"2024-03-25T23:31:32+08:00",{"id":84,"source":5,"question":85,"options":86,"answer":91,"related":92,"type":40,"origin":24,"createTime":82},135630911,"液晶电视中开关电源电路的常见故障现象有( )",[87,88,89,90],"电源指示灯亮,屏幕无反应","指示灯点亮后马上熄灭","发出异常声音","总是烧断保险管",[],[],{"id":94,"source":5,"question":95,"options":96,"answer":101,"related":102,"type":40,"origin":24,"createTime":82},135630912,"液晶电视中开关电源电路中的易损器件有( )",[97,98,99,100],"滤波电容器","MOSFET(开关管)","热敏电阻","桥式整流堆",[],[],{"id":104,"source":5,"question":105,"options":106,"answer":110,"related":111,"type":40,"origin":24,"createTime":82},135630913,"屏幕上有杂波干扰或花屏的原因是( )",[107,108,109],"电源板\"二次\"输出滤波电容器漏电","整流电路故障","变压器故障",[],[],{"courseName":113,"courseImg":114,"workName":115,"workId":116,"count":117,"courseId":118},"典型电子产品检测与维修","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffb4e0e6a5574c0a2bea5a3691ff957f7.jpg","项目五 章节试题","70aea310950b495687bd3995ae9eabfa",39,"f9edfbad1dd441bef07e29465eebf52e"]