海信1768电源板电路原理图(VER.H)

5P/6KV C732
R758 10k
R759 10k
C734 5P/6KV
R756 20k
C733 561
VD713 1N4148
561 C735
R760 20k
XP703 XP-04
XP704 XP-04
XP705 XP-04
C736 5P/6KV
R764 10k
C737 561
R762 20k
R954 4K82
VCC
R958 V805 +20V 1K C2655
104 C941
104 C942
W922
N923 HS817
C940 224/50V
N922 TL431L
R956 NC
R957 1K
R955 4K32
R960 W915
5VS
STB1
1K
V970MMBT2907
N924
R968 10K
ON STB
300v 300V
C807 474/400V
PFC
C870 R871 104 10K
VD811
W809 W810
VB901A 1WB60
22u/450V C910
C808 1000P/400V
C900 103
N901
4 3
FB GND
2 1
BR S/OCP
N901
R900 1R8/2w
这部分5VS电路实际电路中可能没用到
XP801 XP-02
C803 102/AC250V
W806
F801A T4A/250VAC
M825 RT801 NTC5D-15
M823
KVBB1U8001210/C20K860V5
1
L801
t
R801
270k
RV801 10D561 C802
474/AC275V
2
R802
M826
LCL-2420H
VD708 MUR260
VZ706 MMSZ15T1G
V708 FQPF5N60C
W702
C809B 2200pF/Y1
BRI
R733 300K
C718 R735 105 20K
C714 104
OVPT
R734 100K
R736 C715 33K 104
0R0
R719 DRV1
1
2 C719 105
R704 3k
C722 C723 C724 R747 562 561 683 5.1K
5VM
OVPT
VSEN2
1 2 3 4
R791 5. 1K
N702
OUTA+VCC -INA OUTB +INA -INB -VEE +INB
8 7 6 5
10K R793
R795 10
220u/35v C756
R797 10
0R0
1
0. 1 C704 VD703
1N4148W 2 4
C705 0. 1
5 VZ704 BZT52-C5V1S
VD704 1N4148W
V707 FQPF5N60C
VZ702
M813
R714 MMSZ15T1G
47R R713 5K1
R715 10K
VZ703 MMSZ15T1G
2
R717
47R R716 5K1
C936 1000uF/16V
C946 104
C947 104
C948 104
C938 470uF/16V
C949 R951A 104 3W/180R
W913
R928 20K
C921A
102
C923 471
R929 0R51/3W
C925 22u/50V
R952 1K
R953 C939 4k7 nc
T911
3
2
4
1
3
2
4
1
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
8
7
6
5
XP701 XP-04
C730 5P/6KV
R753 10k
W903
561 C731
R751 20k
1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 5P/6KV 5P/6KV 1 2 3 4
XP702 XP-04
R776 20k
R780 20k
XP706 XP-04
C748
C750
R784 10k
R785 10k
C752 5P/6KV R790
10k
R782 20k
C749 561
561 C751
R786 20k
R788 20k
C753 102
VD715 1N4148
C739 561 1N4148 VD718 VD720 1N4148 1N4148 VD722
R969 W916 10K
HS817
VZ921
VD950 2.2k 1N4148 R970
MMSZ18T1G V926
1K STB
R961
10K R959
MMBT2222ALT1G
C943
104/50V
5VM
W909 1 2
W917 3
4
SW
5
BRI
6
W914
W910 7 8
5VS +12V
9 10
XP-04
Q801 1 2 3 4
XP-04
Q802 1 2 3 4
XP-04
R902 1K
103/2KV C806A
W901
100K
R9341
Lup
102
C950 2
Plmt
7
NC
R933 10R
C922 102
4
8
Gnd
Vstr
300V
V923 FQPF13N06L
RM11C VD901A
R967A 270K
LM358 5. 1K R792
R796 10K
C757 C754 R794 C755 0.1 0.1 10K 0.1
V712 2N7002
MMSZ51T1G VZ904
T909
1
1
4
4
2
2
3
3
T910
1
1
4
4
2
2
3
3
TA1 W703 W704 W705 W706 W714
TB1 W707 W708 W709 W710 W715
L811 3225PQ
W813 VD812 SFAF1008G
47
59
2
源自文库
1
R811 1M R812 1M R813 1M C820 224/50V R819
VCC
R816 22R
R817 20K M810
M812 8 Vcc
Zcd
N810 NCP33262 VD815
Dri 74148
22R R820
820R R936 1K
R940 270k
R943 100R
R946 nc
R945
C931 nc
R937 20K STB1R938W906
C932 102
100K N807
R855
1K
TL431LZ
3K9
104 C927
V922
W831 2 NVT9D244809 3
R950 10K
5VM
C1815 1
R710 10R
R711 2K
PFC
L701 LP
C706 474/450V
V702 MMBT2222ALT1G
T701 BCK-25-1611
VZ701 BZT52-C5V1S
V703 MMBT2907 R720
0R0
C703 224
7
V705 MMBT2222ALT1G
6
V706
R712 0R
MMBT2907 R709
3M3
13
12
11
R741 2K
SW
10
9
C720 W718
104
DRV1 V709 MMBT2907ALT1G
DRV2
R746 12K
ISEN
22u/25V C708A
1N4148 VD712
1N4148 VD714
5VM
10k
1N4148 VD716
R738
C716 R737
104
3k
R703 27k
3
4
ISEN 5
6 R739 56K
7
8
N701 OZ9938 DRV1 PGND
VDDA DRV2
TIMER GNDA
DIM
CT
ISEN SSTCMP
VSEN
LCT
OVPT ENA
NC1
NC2
C717 R740 104 33K
16 15DRV2
5VM R743 R744 39K 100K
14
R742
1N4148 VD711
VSEN2
VZ705
M811
MMSZ15T11G G
R718 10K
3 DS
VD705 SFAF808G
VD707 MUR260
C707 78
TB1
T8032 1324Pri+
1324
M814 474/450V
M817
VD706 SFAF808G
89
89 M809
M808
M815
56 101Pri- 101TA1
W804
270k R803
W803
270k
C801
474/AC250V
C804 AC2
J801
3
L802 34
4
2
21
1
LCL-2420H
102/2KV C806 M824
W807
102/AC250V 5VS
VD870 1N4148
OMI-SS-212DM
V871 2222A
STB1 R870
STB1 1K
10R
FR104
C904 22uF/50V
1 N902
R904
330R C908 NC
R906 6K8
R905 3K3
PC817B
N903 KA431AZ
1000P/400V
R907 1K
C909 104
R908 R909 NC 6k8
C911
C822 102/50V
300v
RU4AM
PFC
10
12
C738 5P/6KV R765 10k
5P/6KV C740
C742 5P/6KV
10k R770
10k R771
R766 20k
561 C741
20k R769
561 C743
20k R774
5P/6KV 5P/6KV
C744
C746
R778 10K
R779 10k
561
C745 102
C747
C902 680P/1KV
R901 220k/2w
VD901 RG1C
T901
5
59
4
C906 9 VD903 1000u/16V SB560
L901 3. 3mH
10
5VS
5VS W902 C907 470u/16V
VCC NC
D/ST D/ST
C903 104
5 6
8 7
VD902 R903 2
R966 270K
R965 270K
R964 270K
C2655 V805A
VZ963 18V
W904
104
1N4148 VD922
C963
N920
NCP1271A
Vcc
6
Out
5
Csfb
3
0RR931C908423
47uF/50V C924
M820
2
2. 2k R921
1N4148 VD926
V920
224/50V 20K 102/50V 22u/50V 18V 104/50V NC NC
C817 C818 101/50V NC
R825 R829R830 0.15/3W 10K NC
PFC M827 C810 220u/450V M828
W814 C809A 2200pF/Y1
Q804 1 2 3 4
11
STB
12 W908 W911 13
14
W912
XP802 XP-14
5VM
1 XP809 2 3 4
XP-04
5VM
R701 W720 C701 C702
10R
22u/25V 0.1
R702 10R
W719 W721W722
DRV1
R705 10R
R706 2K
R707 10R
DRV2
5VM R708 C708 10R 22u/25V
R941A
R967 3W/360R
+20V C828
FR107 VD927
C825 Sec1-
9 22R/2W
56p/1KV
3
Sec1+ Pri-
11 VD924
SFAF15100
27 4
Pri+
C929 2200uF/25V
R926 Sec1-
8 VD925
M818
6
Pri-
Sec2+
5
Pri+
R927 27
Sec2-
7
SFAF15100
C934 471/1kV C935 102200uF/16V
L921
4. 7uH /4 A LEO-21
22uF/35V
1000uF/25V
15K R944
C933 +12V
R942
R962 V817 100R A2907 W905
VZ920 15V
C945 R963A 104 3W/180R
R821
2
Comp
CS
468R
R822
3 Multi VFB 1
330R
GND
M822 V810 VZ811 10N60 18V
R823 512 W812
C811 221/1KV
R826 560K
R827 560K
R828 560K
200K
6
C819
R814 C821 C814 VZ812 C816 R818 C815
R930FQPF13N80C
10R R932
R931 10K
3
221/1KV
VD921 FR104
VD920 R923 FR107 100K/2W
PFC
M819
T801
1SPSTec315+P01riS+U R12935
VD923 C926 22uF/35V
C921
27R
FR107
102/1KV
C928 222/1kV