OEM-唯冠产品组件维修判定

快益点重庆分公司---岳东長機種稱對應機碼號當號V7R-R6E-MMA386-C1EH705-532-K06AH(31.5AUODVDPanel)909-AR1-FF3293XC1HV7R-RCE-MMA386-C1705-532-K12AH(AUOPANEL)909-AR2-FF3293XC1HV7R-RGE-MMA386-C1705-532-K15AH(31.5'AUODVDPanel)909-AR5-FF3293XC1HV7R-REE-MMA386-C1705-315-501KAH(31.5'AUODVDPanel)909-AR6-FF3293XC1HV7R-RDE-MMA386-C1EH705-532-K13AH(31.5'AUOPanel)909-AR7-FF3293XC1HLT3268QF3293-XC1V5R-RCE-MMA386-C1705-532-K12AH(31.5AUOPANEL)909-AR2-QF3293XC1HV7R-R1E-H0K386-C1EH705-537-G01AH(37AUOTVPanel)909-KR0-FF3710XC1HV7R-R4E-H0K386-C1705-537-G01A-AH(37AUOTVPanel)909-KR1-FF3710XC1HV7R-R1E-T1K386-C1N705-420-501KAH(42AUOPANEL)909-KR0-FF4211UC1HV7R-JDE-T1K386-C1705-420-101SCH(42AUOPANEL)909-KJ3-FF4211UC1HLT4269FHDFF4211-UC1LT3769&BF-371FF3710-XC1LT3269FF3293-XC1逆变器部分电源部分一、LT3769、LT4269FHD系列：CON05CON04CON03220VCON01CON2U8MT8202A7将待机5V短接到STB5VSTBBK-ON脚位作用12屏尺寸选择3选调光模式4老化模式421和2皆OFF461为OFF，2为ON拨到左边为OFF,右边为ON401为ON,2为OFF备注对应屏尺寸拨动开关状态LT3769.LT4269FHD电源板CON4插座管脚功能待机电压开机电压1地0V0V2空未用未用3逆变器开关信号0V4.5V4空未用未用5空未用未用6亮度控制0V3.3V4V0V电源开关信号95V5V5VSTB80V0V空脚712V0V12V供电60V0V地50V0V地40V0V地30V0V地224V0V24V供电1开机电压待机电压功能管脚LT3769.LT4269FHD电源板CON3插座LT4269FHDSW14C41C422KV/2.2N二、LT3269、LT3268系列：REV:1.8IC从这几个部位看到灯管被点亮J18.924V.12V.5V.LT3269.LT3268电源板CON4插座管脚功能待机电压开机电压1地0V0V2空未用未用3逆变器开关信号0V4.15V4空未用未用5空未用未用6亮度控制3.2V固定电平3.2V固定电平4.5V0V电源开关信号95V5V5VSTB85V0V5V供电712V0V12V供电60V0V地50V0V地40V0V地30V0V地224V0V24V供电1开机电压待机电压功能管脚LT3269.LT3268电源板CON3插座LT4269FHD22VGAP2MT8202BGAP1HDMITDA8932JP1J5LVDSJP8FLASHJ3一、LT3769、LT4269FHD系列：LT4269FHDR385,EC37EC59来自U8主芯片AC18脚到J3转接板逆变器开关控制：背光控制来自U8的RD17脚到J3转接板背光亮度控制：U8（MT8202）的R3脚上屏供电控制：未用未用LVDS信号上屏控制：管脚功能待机电压开机电压管脚功能待机电压开机电压1地0V0V16LVDS信号0V1.3V-1.1V2地0V0V17LVDS信号0V1.3V-1.1V3地0V0V18LVDS信号0V1.3V-1.1V4地0V0V19LVDS信号0V1.3V-1.1V5LVDS信号0V1.3V-1.1V20LVDS信号0V1.3V-1.1V6LVDS信号0V1.3V-1.1V21LVDS信号0V1.3V-1.1V7LVDS信号0V1.3V-1.1V22LVDS信号0V1.3V-1.1V8LVDS信号0V1.3V-1.1V23LVDS信号0V1.3V-1.1V9LVDS信号0V1.3V-1.1V24LVDS信号0V1.3V-1.1V10LVDS信号0V1.3V-1.1V25LVDS信号0V1.3V-1.1V11LVDS信号0V1.3V-1.1V26LVDS信号0V1.3V-1.1V12LVDS信号0V1.3V-1.1V2712V供电0V12V13LVDS信号0V1.3V-1.1V2812V供电0V12V14LVDS信号0V1.3V-1.1V2912V供电0V12V15LVDS信号0V1.3V-1.1V3012V供电0V12V二、LT3269、LT3268系列：J14HDMIJ5VGAJ3AVYPBPRJ1J13J11LVDS)TDA8932J2TVJ4P-POWERP+LT3269C750V470UFC850V470UFLT3269R69330K1M158R184.R319.Q14.J195V5V开待机控制信号：主芯片168脚通过R218.R5.Q2.J13的3脚主芯片172脚通过R210.R4.Q1.J13的1脚逆变器开关控制：未用LVDS信号上屏控制：管脚功能待机电压开机电压管脚功能待机电压开机电压1空脚0V0V14差分信号0V1.1V2空脚0V0V15差分信号0V1.3V3空脚0V0V16差分信号0V1.2V4空脚0V0V17差分信号0V1.1V5空脚0V0V18差分信号0V1.3V6空脚0V0V19差分信号0V1.1V7空脚0V0V20差分信号0V1.3V8空脚0V0V21地0V0V9空脚0V0V22地0V0V10空脚0V0V23供电0V5V11差分信号0V1.2V24供电0V5V12差分信号0V1.1V25地0V0V13差分信号0V1.3V26地0V0V6V3.3V17VLT4269FHD逻辑板LT3769.LT4269FHD驱动板个别元件电压位号电压位号电压C2846VL9313.3VF112VU9032.5VL95112VU9021.8VD951正极12VC2836VD951负极15VC71315VC952、C953、C954、D951、C958、Q952等组成DC-DC升压电路1.70V1.80V5V5V15.7V3.3V27VDC-DC3.3V3.3V3.3V3.3VLT3269LT326827V3.3V3.3V3.3V3.3VLT3269.LT3268D3015VC751C752C753C7543.3VU153.3VC508C509C51127VL5015VU418VD50415.7VD5046.2V