Haier LE39B8550T Service Manual

5 4 3 2 1D DC CB BA A新增5V Max@DTV(with out CI,USB,DVD,panel)490mA5V Stb(with out ci card)23mACI card module max 200mA新增downupV =0.768X(1+R /R )out2012-11-6改善低温-10oC不启动D809由1N4007改为FR1072013-5-11LF800长虹要求EMC 6dB余量单独修改M29组件2012-8-1RV1位置DCN统一改为5612012-10-25欧规组件统一改为450V耐压2013-5-23美国市场改为400V耐压C1053跟公板BOM不对公板BOM 10uF/50老化端口H:ONL:OFFVout=2×（PR45+PR47）/PR47一般需要固定R826，只改PR47，否则会影响到输出功率。TO INVERTER额定电流/工作电流4A/1.08A额定电流/工作电流4A/1.08A工作频率477Khz占空比43%工作电流1.1A,实测电压5.16V,纹波100mVON/BK+12V+5V_Standby24V24V+12V24VLED+ON/BKOVPDRVLED+DRV+12VCSFB FB1FBFB1+12V_PD3OVPENBL-ADJUSTLED1LED+BL-ADJUSTBKLONON/BKBL-ADJUSTBKLONBKLONBKLONBKLONBKLON5Vstb+12V+5V_Standby+3.3V_Normal+3.3V_Normal+12V_Normal+12V_Normal+3.3V_Standby+5V_Normal+5V_Standby+12V_NormalVBL_CTRL 4BRI_ADJ4PWR_ON/OFF 10,3,4OP_ON/OFF10,3TitleSize Document Number RevDate: Sheet ofChange list 1.0MSD3643GSACustom2 10Friday, December 02, 2016TitleSize Document Number RevDate: Sheet ofChange list 1.0MSD3643GSACustom2 10Friday, December 02, 2016TitleSize Document Number RevDate: Sheet ofChange list 1.0MSD3643GSACustom2 10Friday, December 02, 2016321102PF-1KV+2 1123+2 12 112+12+12+ 12NP2NP1NB1NB2NP212V 65V 212V 75V 3GND 51010NC1112128899GND 4NC 11243 + 12GATE2VIN1GND3CS4 FB 5CMP 6OVP 7PWM 812GND1RI3CS 4VDD 5GATE 6FB2CD9410uF/6.3V/X5R/0603123412+2 21133+2 21133NP2NP1NB1NB2NP212V 712V 9GND 8332211556624V 10+123TPS563201SOT23-6GND1LX 2VIN3FB 4EN5BS 6+42 13+126-2. Circuit Diagram6-2. Circuit Diagram

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