海信液晶TLM4639(977)系列电视接收机电源板电路原理图

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C885 104/100V

W879 VD831 W856 W877 W878 R980 0 0 0 0 1N4148 10K/2W VD816 MBRF20H100CTG

40V

W827 W825 0 0 L816 4u7+24V

W828 0 W843 24.7 0

T801 7 W829 W874 0 TEM2011 TEM2011 L812A L812 0 W875 0 M45 TP W841 0 VCC R951 C809 330u/450V W811 0 C818 NA 104/50V V820 MMBT2222ALT1G 0 C824 R845 68R 104/50V V821 MMBT2222ALT1G 5 2 Drv3 Drv4 R861 4 0 W803 0 C828 NA 471/1KV M20 V801A TP SPA20N60C3 2 3 2 1 M19 TP 1 3 V801 SPA20N60C3 R812 0R15 R812A 0R15 R812B 0R15 PWM_VCC W802 0 Drv2 Drv1 R813 105 R808 392 R804 684 R851 823 R816 564 R815 104 C822 105/16V R842 225 R802 474 C821 102/50V C813 104/50V M9 TP 1 M7 TP C805 471/1KV 4 3 2 N801 NCP1653A 2 1 C811 102/50V C812 104/50V R940 204 W865 0 C880 104/50V R962 474 W809 Vc c 0 VZ803 MMSZ15T1G R850 22R C839 102/50V R901 684 M8 C801 CT7-AC400V-B-470p-K W861 TP 0 R902 684 C802 C804 CT7-AC400V-B-470p-K R903 R826 684 1 L803 4 M4 TP 2 L803 3 R924 5R1 M1 TP C803 474/250VAC M25 TP L807 4u7 M23 TP L808 4u7 VZ801 MMSZ15T1G R926 512 M2 TP V823 MMBT2907ALT1G R925 68R R984 0 V822 MMBT2222ALT1G V827 MMBT2222ALT1G C859 103/1kV 20K/2W 8 7 6 5 C833 22uF/50V N803 NCP1207A VCC NC GND DRV HV C829 22uF/50V VD810 FR104 W808 0 R833A C815 330R 104/50v R833 330R 474/250VAC R921 22 R923 22 C873 104/50v 1 L804 4 R840 563 R907 105 C816 104/50v 300V R810 10R C814 104/50v R900 105 2 L804 3 M5 TP 380v R904 684 R910 684 R905 684 R982 225 VD811 RM11C V808 MMBT2222ALT1G VD835 W876 VZ808 RM11C 0 MMSZ15T1G C817 104/50V 12V C832 22uF/50V R844 103 R836 10R 380v R835 104/2W M57 7 TP T802 T802 R908 105 VD832 RM11C R913 104 R839 NA 104 W848 0 3 C837 NA 104/50V 1 C838 104/50V R849 22R C825 105/16V R949 0 R950 0 1 2 3 4 5 6 7 8 N802 NCP1395A Fmin Fmax DT Css FB Ctimer BO AGND NINV OUT Slow Fault Fast Fault Vcc B A PGND 16 15 14 13 C834 12 R814 272 R874 101 V819 MMBT2222ALT1G R871 NA 222 N806 R877 202 C820 103/50V R821 512 R823 22R W836 0 V824 MMBT2907ALT1G V825 MMBT2907ALT1G T804 102/50V C836 VD808 1N4148 102/50V R827 102 R820 512 6 2 3 T804 C847 102/50V 1 C848 102/50V R878 102 VD807 1N4148 R890 512 C835 R885 68R R870 10 V804 MMBT2907ALT1G 1 R884 68R R863 10 V802 MMBT2907ALT1G 1 380v M12 TP 2 19

M53 24.9 TP VD821 1N4148

24.7 C886 104/63V C853 2200u/35V C854 2200u/35V L817 M49 4u7 C856 2200u/35V TP

M54 14 V806 FQPF10N60C TP

VD817 3 M47 17 24.8 MBRF20H100CTG VD815 MBRF2545CTG 12 12.9 12.7 V805 FQPF10N60C 3 13 C863 1000u/25V F802 F802

1 2 3 4 5 6 7 8 9 10 11 12

XP810

1 2 3 4 5 6 7 8 9 10 11 12

XP806

1

VD802 BYC10X-600

R939C 202/2W

VZ807 MMSZ15T1G

XP-12

XP-12

VD813 1N4148 2

TP M14 TP

+12V L818 4u7

VZ806 MMSZ15T1G

VD805 1N4148

C858 C864 104/50V1000u/25V W837 0 C857 223/2KV W867 0 C846 56/1KV M46 TP 4 11 12.7 1 M52 TP No PIN R894 NA 202 W810 0 W812 0 C850 474/50V C870 102/50V NA VZ802 R848 333 N807 TL431L R879 102 R880 202 R881 202 R896 W847 0 NA202 W832 0 R889 R906 752 183 24.7 M55 12.8 TP 12.7 24.7

R898 202/2W

L815A VD803 1N5408 TEM2011 L815B TEM2011 L815 TEM2011

XP809 1 2 3 4 5 6 7 8 9 10 11 12 13 14 XP-14 R891 NA 513 R935A 0 R935B NA

0

NC

1 2 3 4 5 6 7 8 9 10 11 12 13 14

XP807

XP-14 R966 562 R968 NA 562 R970 NA 562 C868 NA 474/16V

R916

1N4148

VD804 1N4148

623/2W

46寸R824电56K 52寸R824电阻为62K

24.7 VZ816 05W30B

W805 0 VD801 1N5408

W845 0

W860 0 BRI LCD/ON/OFF

R937 0

NA 0

R883 0

R818 512

R822 22R

R888 0

R876 202

VD806

R824

VZ817 MMSZ15T1G

1 2 3 4 5

XP811

PC817

XP-05 R936 0 C869 NA 474/16V

R819 105 M13 TP 2 L805 4 R843 105 R805 624 W849 R801 105 R806 624 0

VZ814 MMSZ7V5T1G

C826 103/50V R854 NA 10R R846 200K

R974 102 R872 NA 204 R875 102

R979 102

C808 300V 105/450V 1 L805 3

R963 24.7 5.1V+12V 102 Vaudio VD819 VD820 1N4148 1N4148 V815 MMBT2907ALT1G R920 C879 513 22uF/50V VD830 1N4148

VZ818 05W18B

W826 0 R882 202/2W

11 10 9 C823 C827 C831 104/50V 100uF/35V 102/50V

103/50V R841 204 R834A C882 0 102/50V

R868 204

R873 562 R852 101

GND

R807 103 C810 105/16V

GND C876 R911 105/16V 104 V810 MMBT2907ALT1G R947 513 VD833 1N4148 R864 102 R866 V811 MMBT2222ALT1G R964 102 W871 0 M5V

1 2 3 4 5 6 7 8 9 10 11 12 13

XP808

VCC M10 TP 3

PWM_VCC R948 513

XP-13

VB801 VB801 C806 471/1KV

Vc ont

W855 0 V807 BCP56-10T1G

N805 R853 PC817 102 V816 MMBT2222ALT1G VD809 FR104 R834 10R R862 102 R869 102 Vaudio1

VD834 1N4148 C889 22uF/50V

513 C845 104/50V R981 102 R977 24.7

GND

4

R867 202 40V W821 W819 0 0+12V ON OFF

BRI W844+12V S5V 0

B

5

6

7

8

4 2

VCC

E C

L4

PFC_Vcc

R838 202

VZ804 MMSZ15T1G

C877 104/50V

1 2 3 4 5 6 7 8 9 10 11 12 13 14

XP812

CS

Vm

Dr i

FB

In

XP-14

15V

VD825 MUR460G

2

V812 FQPF13N06 3 R960 102 1

272

W880 0 R946 103 C883 104/50V R942 202 C872 104/50V W822 0 R943 NA 103 1 C844 1000u/35V

R865 513

C865 471/1KV VD836 RM11C 14.9 9 10 11 8 M27 TP 14 5.9 13 12 L813 TLM2011 MBRF2545CTG W834 0 5.1V VD812 L813A TLM2011 L813B TLM2011 C866 471/1KV R858 102 R860 22R/1W R855 242 C874 470u/50V C862 104/50V R941 103 R975 102

R965 102 R847 270

C830 471/1kV VD818 RG1C

M21 TP

L819 TLM2011

5 M56 1 TP 2 3

N809 L811 TL431L S5V 4u7

C875 104/50V 2 3 W869 V813 0 NTD4809 C843 1000u/16V

R918 684 W820 M5V R886 0 102 C881 105/16V

C861 104/50V C842 2200u/25V

C842A 1000u/16V

DM G

FB

CS

1 V809 FQPF3N80C C819 102/50V R831 512

1

2

3

3

68R VD888 R893 MBR0520LT1G 5R1

4

0

R817

N804 PC817

R859 22

R985

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