海信液晶电视机2264电源板电路原理图_D

15
C864 104/50V 68R
1 1
R858 5K1 10N60
2 3 1 VD838 MBR506 2
C854 1000u/25V
B
R875 1M
XP915 XP916 XP914 XP912 XP911 XP913
14 2 13 12
C859 R862
VD837 1 1N4148
3
1 1
1
102/Y1
5
4
3
2
1
1
1
2
2
L909 L-HX/NC L913 VIN L-HX VIN
L901 VD926 R908 0R R910 0R LED1+ LED1-
1
MUR160
2
W819 R909 220k R911 220k
3
V919 R1001 120K R913 DRV11 22R R917 120K R921 10K C898 2.2uF R922 120K 12V SW N905 ISW11 W841
VD931
1
MUR160
2
W837 R958 220K R962 220K
R955 0R
R982 0R LED3+
1
R1006 10K C904 2.2UF 12V R960 C903 120K 2.2UF SW
UVLS VCC ENA VREF RT SYNC PWM1 PWM2 ADIM TIMER
PS-ON
C
+20V
1
2 3 4
7 6
R848
W808
3
2
VD832 R837 1 EU2A 2R2
1
C849 471/1KV
W815
N833 R8471K 1 AUDIO
1
C821 102
C814 22u/50V
3
2
W826
R817 0R R843 10K
75R
C841 104 R844 100K
R881 15k
2
1
102/50V R883 2K C858 102/50V VCC1 R854 1k R863 N840 1K 12V
3
C861 474
2
R882 5K6
1
R852 2K R853 2K4
Q803 W816 W844 SW PWM PWM 2
A
4 3
PC817
1 3 2
N842 TL431 C867
R1034 5K1/NC
2
2 1
R801 270K
C813 68u/450V
1
1
2
C804 102/Y1 Y1
300V
R836 1K/NC
2
D
1
C823 1R8/2W C832 103 R901 150K W811 103
FB/OLP_1_3VCC
STR-A6000
C844 103 N832
1
VD810 1N4148
R820 22R
1
!
1 1
5
1
1
1
1
M805 W829 R1028 1M R1032 1M R1026 680k
1
M820 M823 M824 M819 M815 C885 684/nc R819 R814 200K 20K
C816 104 VZ812 18V
2
3 3
2907
GND
1
R818 20K
1 2
1K
1 2 3 4 5 6 7 8 9 10 11 12 13
2
2
SW PWM W817 C893 103
1
12V PS-ON
3
3
5VS
W810
R842 10K
VD853
2
PFC R874 1M
B
N802
R885
VCC1
2
VD836 R856 1 1N4148 22R R857
1 T902 TRANSFORMER-16-HX 3
1
1
R859 22R
V840
R835 0.15/1W
1
R860 68R C879 R894 22uF/25V 120R VZ839 BZT52C18 R888 R886 120R 10N60 R861 5K1 R891 1K R851 82K C863 W805 103/630V R850 82K 56P/1KV C865
PFC VZ813 5V6 C833 471/1KV
W813
W821 R834 100K/2W W822 T901
2
VD833
L831
5VS VCC1 +20V V916 R845 BCP56 2 3 4 C845 104 1K C871 R846 1K/nc 4 104
0R
N831
C
1
R899 1M R855 0R R831 R823 680K +20V R900 1M
2
A
W804
R864 1K0 C866
N841 TL431 R865 15K R867
1 1 2 3 4
C862 104/50V
1 2 3 4
Q804 Q805 Q832 Q833
2
1 2 3 4
1 2 3 4
1 474 2
1K R832 22K R869 4K7
Title
LED Drive
Size A3 Date: Document Number <Doc> Tuesday, July 27, 2010 Sheet 1 of 2 Rev Ver.A
2
V803 R890
R893 R903 R904 0R 0R 0R
12V W818 C853 1000u/25V C872 104/50V
1
VD851 1N4148
1
2
2
3
2907
10K
NCP1396
VZ832 3V3
1
VD834 1N4148
VD835 1N4148
C851 C852 1000u/25V 1000u/25V
2
5
C835 22uF/50V C836 R838 3K3 R839 330R R840 104/nc C837 104 R841 100K
PC817 MMBT2222ALT1G VZ831 C843 VD-Z-HX 104
R898 4K7
4
W814 W806
1 2
PC817 VD839
N903 TL431
1 2 3 4 5 6 7 8 9 10 11 12
UVLS VCC ENA VREF RT SYNC PWM1 PWM2 ADIM TIMER
FAULT DRV1 DRV2 GND ISW1 OVP1 PROT1 ISEN1 ISW2 OVP2
24 23 22 21 20 19 18 17 16 15 14 13
V920 R916 PROT11 W833 22R ISEN11 C922 330p R1020 100k 1k
1 2
OVP11 R929 1R R914 220k 10u/350V C896
1 2
W824 R920 5.1 XP904 Value
R1013 5k1 Value R1021 W823 330R 1R R919 R923 1R
L811
8 6 9 14 13 4 11 3
Biblioteka Baidu1 1 1
Zcd_3_4
2
4 3 2 1
XP802
W828
F802 F801 T4A/250VAC M809 M812
W803
2
4 2
3 1
L804 L806
1
D
!
M806
3
3
VCC1 R813 1M C886 C820 474/50V 224 R815 22R
1
C855 R878 R879 105 5k1 R876 1M R892 2M2 C856 105 R880 15K
Css Fmax Ctimer Rt BO FB DT FFault
Vboot Mupper HB NC_13 Vcc Mlower Gnd Sfault
16
22R
2
MUR160
1
2 3 4 5
20A/300V
2
W835 W834W842 R870 220K R871 220K VD840 1 MBR506 2 C860 1000u/25V
100V R872 220K R873 220K VD841 AUDIO W820 W812
PFC V839 VD854 SRF1560 C848 68u/350V
3
C842 104 W809
2
XP901 V832 1 STB1 R896 4K7 PS-ON
3
C802 R802 270K 4 474/AC275V RT801 C803 10D/9 R803 102/Y1 270K
1 R808 1 2 V811 10R/NC VD815 10N60/NC R828 R868 20K 4148 620K 1 R821 V806 R816 1K 2907 N810 1 V810 24K NCP33262 R1033 10R 10N60 8 7 R805 Vcc_4_7 Dri_2_6 VZ811 R902 C811 0R 18V 5K1 221/2KV 4 V804 2 Comp_5_1 CS 2
L910 L-HX/NC L914 VD929
L902 R931 0R R907 0R LED2+ LED2MUR160 W825 R935 220k R938 220k R945 R943 220k C900 10u/350V R948 1R R933 1R R949 8k2 ISEN12 1k R1005 R951 5.1R R1027 NC R952 5.1R
MBR506 R833 0.15/3W
12V
3
0R R889 2K
2
0R C857 474/16V
6 7 8
C834 R884 27K
11
104/50V
VD852
1 2 3
SRF1560 R810 W831 W838 C815 102/Y1 Q831 0R
R877 8k2
10 1 9
R887 5k1 10k
2
C850 R897 221/2KV 1M
S/OCP_0_0 D/ST8_4_7 BR GND D/ST7_6_6 NC_6
VD831 RG1C 8
1 2 3 4 5
10 9 8 7 6
BCK-20-3921
1
1
2
MBR506 C838 1000u/16V W859 LP-HXC839 470u/16V C840 104 R866 100K W807
LED2+ LED2LED1+ LED1-
4 3 2 1
1
L-HX
2
12V
R940 20K
C899 105 R942 10K R946 10K
R941 22R R1014 5k1 R1022
V923
1 2
Value OVP12
SSTCMP1 PROT2 SSTCMP2
TWINSTAR
ISEN2
1 PROT12 C921 22R R1019 330p 100k
FAULT DRV1 DRV2 GND ISW1 OVP1 PROT1 ISEN1 ISW2 OVP2
300V R811 1M PQ2625
1
VD811 MUR460 2 VD816 4148/NC 2 V805 2907/NC 1
VD812 W886 PFC
1
SFF1006
2
C812 68u/450V R826 620K R827 620K
1
1
1
R89522R/NC 1
5 7 16 10 12 1 2 15
R822330R
Multi_6_2 VFB 6
1
R830 C891 101 C892 R849 NC 0.22/3W R825 0.22/3W R829 15K 68K
300V
1
VD843 RG1C
5VS
BR
1
R824 820R R809 C895 472 C918 104
2
BR R1030 150K
ISW11 OVP11 PROT11 ISEN11 ISW12 OVP12 DRV12 PROT12 ISEN12 ISW12 C915 330p VIN DRV11 DRV12 C914 330p
R924 8k2
R1025
R1003 R926 NC 5.1
3
C897 2.2UF R975NC SYNC R928 39K R930 NC
3
M803 1 1 M804
RV801 14D561
LCL-2420H S-LCL-2508-HX 1 2 C801 4 3 474/AC250V M814 M807 L803 L807 1
M817 M822 M826
LCL-2420H S-LCL-2508-HX 1 2
R812 1M
VZ814 18V/NC
5
4
3
2
1
300V
M813 M810 XP801 XP803
M811 M808 M825
M821 M816
PFC
300V W884 W885 C806 221/2KV VB801 M818 10A/60 L805 LP-HX/NC W802 474/450V C807 C805 221/2KV C808 474/450V
3 2
Value LED3Value R977 5.1R
V922
C901 470n
C902 470n
C910 1n
C911 1n
330R 1R R947 W836
100V VIN R956 120K R961 120K N906
L911 L-HX/NC L915 VIN L-HX
3
L903
R932 PWM R934 0 120K R936 R937 0 5K1