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液晶电视维修常见故障及排查

体球网       1、XIANXIANPINGLIANGYIXIAJIUBULIANGLE,DANSHIDIANYUANZHISHIDENGLVDENGCHANGLIANG

  ZHEIZHONGWENTIYIBANSHIGAOYAFANCHANGXINGCHENGDE,SHIBAOHUDIANLUDONGZUOLE,ZAIZHEIZHONGQINGKUANGXIA,YIBANYEJINGPINGSHANGSHIYOUXIANXIANDE,KANDEFANGFASHI"XIESHI"。 ,FEILIPUYEJINGDIANSHIWEIXIU;

  2、XIANXIANPINGHEIPING,WUBEIGUANG.DIANYUANDENGLVDENGCHANGLIANG

体球网  XIESHIYEJINGPINGYOUXIANXIANTUHUA,DUOSHUYUGAOYABANGONGDIANDIANLUWENTI.ZHONGDIANJIANCHA12VGONGDIAN(BAOXIANSIF)HE3VHUO5VDEKAIGUANDIANYASHIFOUZHENGCHANG.RUOSHIYINWEIMCUWENTIXINGCHENGMEIYOUSHUCHUKAIGUANCAOKONGDIANYA,NENGGOUZHIJIETIQU3DUANWENYAKUAIDE(AIC1084)3.3VDAITI.XIUBUGAOYABANDESILU(DIANYUANBAOXIANSI----KAIGUANCAOKONGGUAN----DIANYUANBANLIIC----TUIWANFADAGUAN----DIANYUANKAIGUANGUAN----DAZHUANHUANDIANLU(CHUNENGDIANGAN,ZHENGLIUGUAN)---LCSHENGYADIANLU(SHENGYABIANYAQISHENGYADIANRONG)------OUHEDIANRONG----DENGGUAN.  

QQ截图20190601204352.png

  3、PINGMULIANGXIAN,LIANGDAIHUOXUSHIANXIAN

  ZHEIZHONGWENTI,YIBANSHIYEJINGPINGDEMAOBING。LIANGXIANMAOBINGYIBANSHILIANJIEYEJINGPINGBENTIDEPAIXIANCHULEWENTIHUOXUMOUXINGHELIEDEQUDONGICSUNHUAI. ANXIANYIBANSHIPINGDEBENTIYOULOUDIAN,HUOXUTABROUXINGBANLIANXIANKAILU.YISHANGLIANGZHONGWENTIJIBENSHANGBIANSHIJIJIQIPANLESIXINGLE,MEIYOUWEIXIUJIAZHIDE,YINWEIYIKUAIPINGDEJIAGETAIGAOLE。(GUANGZHOUYOUZHUANMENTIHUANMAPIANDE,SHOUFEIJIGAO,FANXIULVYEGAO)。

  4、PIANSEMAOBING

  YIBANNENGGOUJINRUGONGCHANGDIAOZHENGXINGSHIJINXINGDIAOZHENG。RUMEIYOUCIXINGSHI,WEIXIUSILU:TIHUANPINGXIANHEZHUANJIEBAN-----ZHONGXIEQUDONGCHENGXU-----QUDONGBANHUAI(BUCHANGJIAN)-----PINGBEIBANDECAOKONGICHUAI(BUCHANGJIAN)--------BADIAOPINGXIANGUANCHABEIGUANGSECAI(BEIGUANGBIANSEWEIDENGGUANLAOHUA)-------HUANDENGGUAN.

  5、ZIFUXUHUOTUOWEI

  维修思路: 西宁家电维修中心体球网检查VGA信号线,重点看R.G.B三色线的地线是否连接正常-----替换屏线或转接板-----重写驱动程序-----换驱动板----LCD屏背板信号接口IC坏-----LCD屏背板对比度电位器调整------LCD屏导光板错位----偏光片错位。  


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