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限用物質含有情況標示聲明 Declaration of the Presence Condition of the Restricted Substances Marking 設備名稱: LED背光源高畫質智能顯示器, 型號(型式) LE50U7570/69、LE50U7571/69、 LE55U7570/69、LE55U7571/69 Equipment name Type designation (Type) 限用物質及其化學符號 Restricted substances and its chemical symbols 汞 鎘 六價鉻 多溴聯苯 多溴二苯醚 單元Unit 鉛 Mercury Cadmium Hexavalent Polybrominated Polybrominated...
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进工厂菜单是信源+左右左右 1 级菜单 2 级菜单 3 级菜单 值,备注 工厂复位 工厂复位初始化 EEPROM 设定 老化模式 频道预设 Secondary/Memory/ 上电模式 Direct Are you sure Upgrade ? Mboot 升级 选项: 更新 Mboot confirm/Cancel Are you sure Upgrade ? Main 升级 选项:confirm 和 更新主程序 Cancel 写入 MAC 地址 ADC 调整...
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OSD_0 各种曲线调整 OSD_25 Non_linear OSD_50 OSD_75 OSD_100 重现率调整 Source 各个信源 H size 行幅调整 OverScan H position 行中心位置 V size 场幅调整 V position 场中心位置 PEQ 调整; Fo:设定需要增益频段的中 心频点。 Fo1 coarse 范围 0~16000, step 为 100HZ Fo1 fine 范围 0~16000,step 为 1HZ Fo2 coarse 范围...
Page of 14 Troubleshooting Procedure 1. No power Check 220V power supply voltage and the contact of power socket Check AC(220V)voltage and the contact of CN101 socket. Check +5V and +12V output from Replace power cord or power embedded power supply for abnormity socket Abnormal output voltage +5V and +12V from Check +5V and +12V on...
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3. Protection or without light (refers to the disappearance of image several seconds after the emergence of image) image disappeared immediately after emergence; check the plug of high-voltage switch board for striking sparks and poor contact No problems identified, replace high-voltage If there is spark striking, board;...
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5. White screen after power-off (work normally when power on, but when power-off or no signal input, the screen shows a white screen) Check whether there is change of voltage at the high voltage board controlled by main board when power-on and power-off Check whether the voltage change of the control pins on Check whether the voltage of the pin on main chip the plug interface of high voltage board is normal when...
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7. Poor sound Poor sound refers to without sound or with noise; check whether the selection of sound system is proper Switch to other audio input, check whether DVD No sound; check whether remote control mute is input and PC main board input has sound selected and switch sound system No sound for other inputs;...
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9. Poor embedded power supply of TV Power on, check embedded power supply 5VSB in TV for 5V voltage output High electrical level existed at Check power supply line for looseness, check indictor for STB (higher than 2.5V) working and power supply socket for looseness Check +5V ,...
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glass of the pressed portion is not damaged, the liquid crystal body can not display normally, with spot or block black defect. 10.6 Screen mess: irregular color display arising from damage of driving plate in LCD.
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Net Work TV MSD6A638 software upgrading (After service) 1, software upgrade tools and materials * PC (WINDOWS XP system, USB2.0) * AC100 ~ 240V power supply and power cord * ISP programming board and cable * ISP programming board driver * USB flash drive (version 2.0, the capacity is not more than 4G) * Upgrade software and boot files 2, the software upgrade content and procedures :...
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Method 2: Insert U disk into TV main board or programming fixture board USB interface , long press VOL+ key, then power on TV ( main board ) , after about five seconds the TV ( remote control panel ) indicator fast when flashing , indicating that the TV is being upgraded , after the light is not blinking on and off ( this process is time-consuming depending on the size of the main board software , the greater the file the longer the software upgrade , the upgrade takes roughly three minutes when the board software has 270M , 500M needs four minutes ) , means upgrade is complete .
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2. PC identify new device, choose to install from list or specified location and appoint driver file position as figure.
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3. after PC finds driver file, below information will be prompted during installation, click on , remains can be installed, the system will install the driver process three times , namely : Mstar USB Debug Tool A; Mstar USB Debug Tool B; Mstar USB SerialPort , install the three drives in order ! 6.
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To personal PC USB interface main board socket 2.Double-click to run ISP_Tool_MSD638.exe, click the "Auto" icon on the main toolbar under the type selected for eMMC. 3.Click the "Read" button in the main toolbar under load in EISP Loader File1 munim_EISP_boot _ ** _ **. Bin, in EISP Read File1 load rom_emmc_boot.bin, in EISP Loader File2 load munim_EISP_user _ ** _ **.
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refer actual file name 4.Click on the main toolbar "Config" button , the interface is set up according to the pictures of their respective settings.
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5.after confirming communication setting and file loading is correct , powering up main board , click“Connect” during powering up , if there “Connect Status:Success” prompt at interface lower right corner means connection success, can get in the next step. If it prompt “Can’t Find the Device Type Emmc!”, means connection is not successful , please shut off power and click “Connect”again until appears “Connect Status:Success”...
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6.Check "Auto" icon in the menu settings are consistent with the figure below, and then click "Run" button to boot file to program. Programming progress Execute button result...
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Programming progress bar will scroll now, after programming is finished, it will show “Pass” 。 7, Main board driver upgrade. 1). U disk formatted as FAT32 format, and then upgrade the software ( software name is MstarUpgrade, suffix is bin) put in U disk .
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Mainboard circuit diagrams MSD6A638-T8E2 (DVB-T/T2/C) Circuit Diagrams VER:A1.0 2016-8-8 PAGE Content Index&History Rev Block Diagram System Power MSD6A638 MSD6A638 POWER LVDS &V by one page Video&VGA&USB&Amplify page HDMI&Ethernet page Tuner &eMCC flash page History Rev Author DATE Description 8/8/2016 Ver:A1.0 First Version Release ZHQING This document for ShenZhen KTC Technology CO., Ltd and presented party internal use only,...
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Core pwer (The element need close to IC, due to the IC cooler with limited height, the filter capacitor should choose 0603 or 0402 for seal, don't use 0805). Heat Sink Star connection from VDDC DC-DC L211 near DC-DC,C296 near IC Close to MTS IC +1.2V_VDDC 120mil...