海信LED 2031电源板（STR-A6059H NCP1396A MC33262）电路图

BR BR BR BR 300V 300V +20V +20V PFC 5VS VCC1 +20V PFC VCC2 PFC VCC2 84V 12V 300V VCC1 PFC 12V 12V 5VS PS-ON SW1 BRI VCC2 VCC1 5VS OCP PS-ON PS-ON 300V PFC 5VS LLC 海信LED液晶彩色电视机2031电源板电路图（2-1）——开关电源电路 R842 2K4 R842 2K4 C845 1000P/1KV C845 1000P/1KV C844 104/50V C844 104/50V R887 5k1 R887 5k1 VZ832� 3V3 VZ832� 3V3 VD852� MBRF2545 VD852� MBRF2545 C886 224/50V C886 224/50V C843 104/50V C843 104/50V R974 150K R974 150K C813 103/1KV C813 103/1KV C852 1000u/25V C852 1000u/25V R891 1K R891 1K R876� 1M R876� 1M C859 104/50V C859 104/50V R812 1M R812 1M R814� 20K R814� 20K R840 1K R840 1K R864 680 R864 680 ! R819 100K R819 100K R874 1M R874 1M R838 680 R838 680 R827 510K R827 510K C837 474 C837 474 N843 TL431 N843 TL431 C850� 1000u/25V C850� 1000u/25V C842 104/50V C842 104/50V R853� 3K9 R853� 3K9 VZ831 16V VZ831 16V VD851 1N4148 VD851 1N4148 VD847� MUR460G VD847� MUR460G R813 1M R813 1M 1 2 3 4 N832 PC817 N832 PC817 R803 680K R803 680K R875 1M R875 1M ! 1 14 2 3 13 12 11 10 9 8 6 7 4 5 15 16 T831 BCK-80-TM0047CG T831 BCK-80-TM0047CG C814 47uF/50V C814 47uF/50V C864 104/50V C864 104/50V R828� 510K R828� 510K 1 2 3 4 N840 PC817 N840 PC817 VD850 MUR460G VD850 MUR460G C816 104/50V C816 104/50V N841 TL431 N841 TL431 ! C840 104/50V C840 104/50V VFB 1 Comp 2 Multi 3 CS 4 Zcd 5 GND 6 Dri 7 Vcc 8 N801 MC33262 N801 MC33262 R839 330R R839 330R V810 2SK3569 V810 2SK3569 V840 2SK3569 V840 2SK3569 VD838 R208 VD838 R208 ! L907 LEI-200B L907 LEI-200B R801 680K R801 680K R823 680K R823 680K ! 1 2 3 4 XP802 XP802 C832� 103/50V C832� 103/50V C803 471/AC 400V C803 471/AC 400V VD815 1N4148 VD815 1N4148 C861 474 C861 474 R815 22R R815 22R R863 330R R863 330R C804 471/AC 400V C804 471/AC 400V R872 270K R872 270K C858 102/50V C858 102/50V C808 474/AC275V C808 474/AC275V R883 2K4 R883 2K4 ! C839 1000u/16V C839 1000u/16V R880 15K R880 15K R878 5k1 R878 5k1 R963 4K7 R963 4K7 R829 10K R829 10K L805 LP-HX L805 LP-HX R847 1K R847 1K R825 0R33/2W R825 0R33/2W R820 5R1 R820 5R1 V833 MMBT2222A V833 MMBT2222A C841 104/50V C841 104/50V S/OCP_0 1 BR 2 GND 3 FB/OLP_1 4 VCC 5 NC_6 6 D/ST7_6 7 D/ST8_4 8 N803 STR-A6059H N803 STR-A6059H R837 2R2 R837 2R2 VD812 MUR460G VD812 MUR460G C871 104/50V C871 104/50V RV801 14D561 RV801 14D561 R871 270K R871 270K R822 820R R822 820R R858� 5K1 R858� 5K1 1 2 3 4 L803 LCL-2508 L803 LCL-2508 R854 1k R854 1k R866 4K7 R866 4K7 1 2 XP801 XP801 R802 680K R802 680K ! V832 MMBT2222A V832 MMBT2222A C801� 224/AC250V C801� 224/AC250V R844 100K R844 100K VD834 1N4148 VD834 1N4148 R873 270K R873 270K VD839 MUR160G VD839 MUR160G C851 1000u/25V C851 1000u/25V C862 104/50V C862 104/50V R805 0R R805 0R VD832 FR104 VD832 FR104 ! ! ! R862 1k R862 1k C892 102/50V C892 102/50V C872 104/50V C872 104/50V R848 100K R848 100K C811 474/AC275V C811 474/AC275V VD836 1N4148 VD836 1N4148 R879 2M2 R879 2M2 R868 4K7 R868 4K7 R821 68R R821 68R R836 330R R836 330R C820 224/50V C820 224/50V VD835 1N4148 VD835 1N4148 R877� 10K R877� 10K R833 0R33/2W R833 0R33/2W R867 1K R867 1K R890 10K R890 10K L831 LEI-200H L831 LEI-200H C806 471/1KV C806 471/1KV R859 5R1 R859 5R1 R881� 15k R881� 15k R857 68R R857 68R C867 222/AC 400V C867 222/AC 400V VZ839� 18V VZ839� 18V R817 20K R817 20K R850� 100K R850� 100K C833 471/1KV C833 471/1KV C809 102/AC 400V C809 102/AC 400V ! R852 2K R852 2K ! F801� T4A/250VAC F801� T4A/250VAC C810 68u/450V C810 68u/450V R804 0R R804 0R N842� TL431 N842� TL431 V839 2SK3569 V839 2SK3569 C868 104/50V C868 104/50V VZ812� 18V VZ812� 18V R831 1R8/2W R831 1R8/2W ! R826 510K R826 510K R885� 22R R885� 22R R865 18K R865 18K VB801 T5SB60 VB801 T5SB60 C848 68u/250V C848 68u/250V 1 10 2 3 9 8 7 6 4 5 T901 BCK-20-3921 T901 BCK-20-3921 R889� 2K R889� 2K R884 33K R884 33K ! R973� 1M R973� 1M RT801 NTC5D-15 RT801 NTC5D-15 R897 470K R897 470K R869 4K7 R869 4K7 R834 100K/2W R834 100K/2W R870 270K R870 270K R976 5K1 R976 5K1 C834� 102/50V C834� 102/50V R952 1M R952 1M Css_0 1 Fmax_5 2 Ctimer_2 3 RT 4 BO 5 FB 6 DT 7 FF 8 SF 9 GND 10 Mlower_13 11 VCC 12 NC_13 13 HB 14 Mupper_6 15 Vboot_4 16 N802� NCP1396A N802� NCP1396A R851� 100K R851� 100K R882 5K6 R882 5K6 R861� 5K1 R861� 5K1 R835 0R R835 0R V914 MMBT2907 V914 MMBT2907 R896 4K7 R896 4K7 C879 47uF/50V C879 47uF/50V VD837� 1N4148 VD837� 1N4148 VD831 RG1C VD831 RG1C C805 471/1KV C805 471/1KV 1 14 2 3 13 12 11 10 9 8 6 7 4 5 15 16 T832� BK-42-02CH T832� BK-42-02CH ! ! C802 224/AC275V C802 224/AC275V C865 223/1KV C865 223/1KV 1 2 3 4 N844� PC817 N844� PC817 C812� 68u/450V C812� 68u/450V R845 1K R845 1K 1 2 3 4 5 6 7 8 9 10 11 12 13 XP901 XP901 C823 472/50V C823 472/50V R972� 1M R972� 1M V803 2907 V803 2907 VD833 SR560 VD833 SR560 C863� 56P/1KV C863� 56P/1KV C821 103/50V C821 103/50V V831 BCP56-10T1G V831 BCP56-10T1G C857� 105/50V C857� 105/50V C817 472/50V C817 472/50V VZ811 18V VZ811 18V R843 2K4 R843 2K4 R888 10k R888 10k C856� 105/50V C856� 105/50V 1 2 3 4 N833 PC817 N833 PC817 C866� 474 C866� 474 C835� 47uF/50V C835� 47uF/50V 1 2 3 4 L804� LCL-2508 L804� LCL-2508 VD811 MUR460G VD811 MUR460G C807� 474/AC275V C807� 474/AC275V R811 1M R811 1M C855 105/50V C855 105/50V C838� 1000u/16V C838� 1000u/16V R860 68R R860 68R R856 5R1 R856 5R1