资源描述:
《茂名tcl液晶电视机常用电源板的介绍及维修方法(introduction and maintenance method of common power supply board for tcl lcd tv in maoming)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、茂名tcl液晶电视机常用电源板的介绍及维修方法(IntroductionandmaintenancemethodofcommonpowersupplyboardforTCLLCDTVinMaoming)IntroductionandmaintenancemethodofcommonpowersupplyboardforTCLLCDTVinMaomingMaomingTCLLCDTVwithitsbeautifulappearance,qualitystability,clearimages,per
2、fectafter-salesserviceandmanyotherreasons,inthedomesticmarketshare.Powersupplyinthetelevisionisrelativelyeasytodamageparts,familiarwithandmasteritsmaintenance,replacementmethodsaremoreimportant.MaomingTCLLCDTVusingpowerboards,mainlyinthefollowing:Mode
3、l:JSK3220-007A/C/D,Applicablemodels:Maoming,TCL,LCD26B66/L/P,LCD32B66/L/P,LCD32A71/PandsoonOutputvoltage:+9V,+12V,+24VModel:PWL3711C/3726,Applicablemodels:Maoming,TCL,LCD26B66/L/P,LCD32B66/L/P,LCD32A71/PandsoonOutputvoltage:+12V,+24VModel:ON37A,Applic
4、ablemodels:Maoming,TCL,L26/32E64,LCD32/37K73andsoonOutputvoltage:+5V,+12V,+24VModel:PWL37C,Applicablemodels:Maoming,TCL,LCD26/32/37M61,LCD27/32/37/40K73,L32/40/42E9,L32/37/40/42E77andsoonOutputvoltage:+5V,+12V,+24VModel:JSK4330-007/007AApplicablemodel
5、s:Maoming,TCL,LCD40/42K73,LCD40/42B66-P,LCD40/42A71-PandsoonOutputvoltage:+5V,+12V,+18V,+24VModel:JSK4338-007Applicablemodels:Maoming,TCL,LCD40/42K73BandsoonOutputvoltage:+5V,+12V,+18V,+24VModel:PWL4202CApplicablemodels:Maoming,TCL,LCD40/42/46E77/F,L4
6、0/4246E64,LCD40/42/47K73andsoonOutputvoltage:+5V,+12V,+18V,+24VModel:PWL42CApplicablemodels:Maoming,TCL,LCD42/46E77,LCD42M61F,L42M61RandsoonOutputvoltage:+5V,+12V,+18V,+24VMaintenancemethodofpowerpanelTakethePWL37Cpowerpanelasanexample,PWL37Cpowerboar
7、disdividedinto:PWL37C01,PWL37C02,PWL37C03,thecircuitprincipleofthemisthesame,themaindifferenceisthepoweroutputsocket,whereinthepoweroutputsocketPWL37C01forasocket,PWL37C02,PWL37C03forsmallpoweroutputsocketsocket.Thepowersupplyisdividedintofivepartstoa
8、nalyzeandrepair:Part1:standbypowersupplysection;Thesecondpart:open/standbycontrolpart;Thethirdpart:PFCoscillatingcircuitpart;Thefourthpart:PWMoscillatingcircuitpart;Thefifthpart:protectioncircuitpart.Part1:standbypowersupplysection;Theoscillat