甘肃快3走势图

LED屏幕故障维修五问

一、载入不上或通讯不上的原因是什麽?

甘肃快3走势图  TONGXUNBUSHANGYUZAIRUBUSHANGDEYUANYINDAZHIXIANGTONG,KENENGSHIYOUYUYIXIAJIZHONGYUANYINZAOCHENGDE,QINGGENJUSUOLIEGEXIANGYUCAOZUOJINXINGDUIZHAO:

  1、QUEBAOKONGZHIXITONGYINGTIYIZHENGQUESHANGDIAN。(+5V)

  2、JIANCHABINGQUERENYONGYULIANJIEKONGZHIQIDECHUANKOUXIANWEIZHITONGXIAN,ERFEIJIAOCHAXIAN。

  3、JIANCHABINGQUERENGAICHUANKOULIANJIEXIANWANHAOWUSUNBINGQIELIANGDUANMEIYOUSONGDONGHUOTUOLUOXIANXIANG。

甘肃快3走势图  4、DUIZHAOMUKONGZHIRUANTIHEZIJIXUANYONGDEKONGZHIKALAIXUANZEZHENGQUEDECHANPINXINGHAO、ZHENGQUEDECHUANSHUFANGSHI、ZHENGQUEDECHUANKOUHAO、ZHENGQUEDECHUANLIECHUANSHUSULVBINGDUIZHAORUANTINEITIGONGDEBOMAKAIGUANTUZHENGQUEDISHEZHIKONGZHIXITONGYINGTISHANGDEWEIZHIWEIYUANJICHUANLIECHUANSHUSULV。

  5、CHAKANTIAOXIANMAOSHIFOUSONGDONGHUOTUOLUO;RUGUOTIAOXIANMAOMEIYOUSONGDONGXIANXIANG,QINGQUEBAOTIAOXIANMAODEFANGXIANGZHENGQUE。

  6、RUJINGGUOYISHANGJIANCHABINGXIAOZHENGHOURENGRANCHUXIANZAIRUBUSHANG,QINGYONGWANYONGBIAOCELIANGYIXIA,SHIFOUSUOLIANJIEDEDIANNAOHUOKONGZHIXITONGYINGTIDECHUANKOUBEISUNHUAI、YIQUERENSHIFOUYINGSONGHAIDIANNAOCHANGJIAHUOJIANGKONGZHIXITONGYINGTISONGHAIJIANCE。

  二、屏幕刚上电时出现几秒钟的亮线或屏幕画面变花的原因?

  JIANGPINGMUKONGZHIQIYUDIANNAOJI HUBFENPEIBANHEPINGMULIANJIETUODANGHOU,XUYAOJIKONGZHIQITIGONG+5VDIANYUANYISHIQIZHENGCHANGGONGZUO(CISHI,QIEWUZHIJIEYU220VDIANYAXIANGLIANJIE)。SHANGDIANSHUNJIAN,PINGMUSHANGHUICHUXIANJIMIAOZHONGDELIANGXIANHUO“HUAPING”, GAILIANGXIANHUO“HUAPING”JUNSHIZHENGCHANGCESHIDEXIANXIANG,TIXINGYONGHUPINGMUJIJIANGKAISHIZHENGCHANGGONGZUO。2MIAOZHONGNEI,GAIXIANXIANGZIDONGXIAOCHU,PINGMUJINRUZHENGCHANGGONGZUOZHUANGTAI。

  三、自动或手动亮度调节是什麽意思?

  LIANGDUDIAOJIESHIZHIZAIPINGMUSUONENGXIANSHIDEZUIANYUZUILIANGZHIJIANSUOZUOCHUDEDIAOZHENG,ERFEIGANGUANGDIAOJIE。ZIDONGLIANGDUDIAOJIESHIGENJUBUTONGDESHIJIANDUANSUOYINGCHUXIANDEBUTONGLIANGDUERYOUYIKUOLEDPINGMUKONGZHIXITONGZIDONGDIAOZHENGZHIMOUYIYUDINGLIANGDU。SHOUDONGLIANGDUDIAOJIESHIZHIZHONGDUANYONGHUTOUGUODUILEDPINGMUKONGZHIXITONGDECAOZUO,RANGLEDPINGMUDADAOMOUYIZHIDINGLIANGDU。

  四、单元板出现整片屏幕不亮、暗亮的原因

甘肃快3走势图  1、MUCEDIANYUANLIANJIEXIAN、DANYUANBANZHIJIANDE26PPAIXIANJIDIANYUANMOZUZHISHIDENGSHIFOUZHENGCHANG。

  2、YONGWANYONGBIAOCELIANGDANYUANBANYOUWUZHENGCHANGDIANYA,ZAICELIANGDIANYUANMOZUDIANYASHUCHUSHIFOUZHENGCHANG,RUFOU,ZEPANDUANWEIDIANYUANMOZUHUAI。

  3、CELIANGDIANYUANMOZUDIANYADI,DIAOJIEWEIDIAO(DIANYUANMOZUKAOJINZHISHIDENGCHUDEWEIDIAO)SHIDIANYADADAOBIAOZHUN。

  五、LED屏幕出现屏幕全黑的原因是什麽?

  ZAIKONGZHIXITONGYUNYONGDEGUOCHENGZHONG,WOMENOUERYEHUIYUDAOLEDPINGMUCHUXIANPINGMUQUANHEIDEXIANXIANG。TONGYANGDEYIZHONGXIANXIANGKENENGSHIYOUGEZHONGBUTONGDEYUANYINDAOZHIDE,JIULIANPINGMUBIANHEIDEGUOCHENGYEHUIYINBUTONGCAOZUOHUOYINBUTONGHUANJINGERYI。BIRUTAKENENGSHIYISHANGDIANDESHUNJIANJIUSHIHEIDE,YEKENENGZAIZAIRUGUOCHENGZHONGBIANHEI,HAIKENENGSHIZAIFASONGWANBIHOUBIANHEIDENGDENG:

甘肃快3走势图  1、QINGQUEBAOBAOKUOKONGZHIXITONGZAINEIDESUOYOUYINGTIYIQUANBUZHENGQUESHANGDIAN。(+5V,WUJIEFAN、JIECUO)

  2、JIANCHABINGZAISANQUERENYONGYULIANJIEKONGZHIQIDECHUANKOUXIANSHIFOUYOUSONGDONGHUOTUOLUOXIANXIANG。(RUGUOZAIZAIRUGUOCHENGZHONGBIANHEI,HENKENENGSHIYINWEIGAIYUANYINZAOCHENG,JIZAITONGXUNGUOCHENGZHONGYOUYUTONGXUNXIANSONGDONGERZHONGDUAN,GUERPINGMUBIANHEI、QIANWANBUYAOYIWEIPINGMUTIMEIYOUDONG,XIANJIUBUKENENGSONGDONG,QINGDONGSHOUJIANCHAYIXIA,ZHEIDUIXIANGYAOKUAISUJIEJUEWENTIHENZHONGYAO。)

甘肃快3走势图  3、JIANCHABINGQUERENLIANJIELEDPINGMUJIYUZHUKONGZHIKAXIANGLIANDEHUBFENPEIBANDESHIFOUJINMILIANJIE、SHIFOUCHAFAN。