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5 4 3 2
+12V EN
0 3
RD960 +12V
RD963 RD961 +5Vsb
100K
0 100K
ZDD760
RD962 6.2v
3
+5Vsb +12V 1K
XD901 1 QD901
on/off RD964
3904
1K
1
1
2
5v
Gnd 2 DD760
12V 3
L4148
GND 4
5 EN
en on/off
2
100NF/25V
2
RD967 CD953
RD965
2K 1K
1
LD950 15uH
QD903
2N3906
1 2 +5Vsb
220uF/25V
3
CD951
ND950 QD902 1
+12V 1 8 3904
NC GND CD952
2
2 7 RD970 RD966
Vin EN 102
6.2K 10K
CD950 3 6
SW Nc CFF
100uF/35V
4 Gnd FB 5
ME5482 RD971
2K
5 4 3 2
5 4 3 2
T753 C755
T751 C751
4 5pF/6KV
5pF/6KV VA
4 R755
VA R751 130K
130K 7 VS5
7 VS1
C790 R769
680pF/50V R765 C769
5 33K
5 33K 680pF/50V
8 XS753
8 XS751
FB1 1
1 2
6
6 2
R780
1K 1 CON2
1 CON2
EFD16.5
EFD16.5
C756
C752 R756
R752 5pF/6KV 130K
VS6
5pF/6KV 130K VS2
VS2
R770
R766 C770 33K
C791 33K 680pF/50V
680pF/50V
FB1
T754 C757
5pF/6KV
4
R761 XS754
T752 C753 130K
5pF/6KV 7 VS7
4 1
R753 R775 2
7 130K C775 33K
VS3 5
680pF/50V CON2
C767 R767
680pF/50V 33K L701
5 8
2 3
8 XS752 6 FB2
B R779 B
1 1 1K 1%
2 1 4
6
EFD16.5 30:150
1 CON2
C758
R781 D751
R762 1K 1%
5pF/6KV
3
EFD16.5 130K 2 IS1
C754 VS8 C779
R754 R784 680pF/50V
130K BAV99
1
VS4 C776 R776 1K 1%
5pF/6KV
680pF/50V 33K
R768
C768 33K
680pF/50V
FB2
R782
1K
5 4 3 2
5 4 3 2 1
T755 C759 T757 C763
VA 5pF/6KV VA 5pF/6KV
4 4
R757 XS757 CON2
R794
7 130K VS9 130K VS13 1
7
2
C771 R772 R797
5 680pF/50V 33K C786 33K R785
5 680pF/50V L702 IS2
2 3 D752
D D
8 XS755 8 R790 R787
3
1K 1% 2 C781
1 1 4 1K 1% 680pF/50V
6 FB1 2 BAV99
1
6 30:150
1K 1%
1 CON2 1
EFD16.5 EFD16.5
D759 BAV70
C760 C764
R758 2
5pF/6KV 5pF/6KV R796 3 VS1
130K VS10 130K VS14 1
R771 R793 VS2
C772 33K C787 33K
680pF/50V 680pF/50V
D760 BAV70
2
3 VS3
C
1 C
VS4
FB1
D761 BAV70
2
3 VS5
T758 C765 1
5pF/6KV VS6
4
R763
T756 C761
7 130K VS15 BAV70
5pF/6KV D762
4 2
R759 R777 3
C777 VS7
7 130K VS11 33K XS758 1
5 680pF/50V
R773 1 VS8
C773 33K 2
5 8
680pF/50V D763 BAV70
CON2 2 VS9
FB2
B 8 XS756 6 3 B
1 VS10
1 1
6 2
EFD16.5 D764 BAV70
1 CON2
C766 2 VS11
EFD16.5 R764 3
5pF/6KV 130K VS16 1 VS12
C762 C778
680pF/50V R778
5pF/6KV R760 Vsen D765 BAV70
33K
130K VS12 2 VS13
3
R774 1 VS14
C774 33K
680pF/50V D766 BAV70
2 VS15
3
1 VS16
FB2
5 4 3 2 1
5 4 3 2
F701 T4AL/250V
REF 5V
PFC400V 2 1 C720 REF
R749
D708 333/1000v R721
22 BAV70 200k in2+ 200k
2 1.3V
R741
3 T701
5
8
1 C712 C711
T701 R750 10n
+IN2
VCC
R722 10n
R743 Q704 2 12 VA 68k 1.3V
L703 6 -IN2 -IN1 2 68k
R742 10
100 5NK50
T702 10K N751
R748
DRV1 4 6 6 10 2 3 ZCS1 LM358 C
22 D709 BAV70 100 ZCS 0V 0V
C709 7 1 R724 100k
5 R744 2 OUT2 OUT1 D704
R717
GND
VSEN
+IN1
100n/50V 8 3 N=2:1 1 4 1 2
Q705 R718
1 30:150 330 1N4148
DRV2 5NK50 C721 330 R799
1
1 7
R746 2.2N/450v 10K D706
4
3
REF 5V
1:1:1 R745 100
1 R727
1N4148 R725
D702 10K 100k
10k
2
2
IN4148 out2
R729
R747 1 Q702
D703
3
C715 220p 1k Q701 10k
Vsen 2N3906
3
IN4148 D705 1
2N3904
3
2
2
R739 BAV99 C716 R726 R728
R723
1
1K 1m 1u 100K 100k
REF 5V
Vin
C719 220p
ZCS1
TIMER
D707
3
R800 2
N701 2.7 R740 BAV99
R702 10K
1K
1
ON/OFF ENA DRV1 1 16 DRV2
DRV1 DRV2
C701 R705 R704
2 PGND VIN 15
R703 10N 110K
91k REF
100K 3 ZCS VREF 14
ZCS
C705 4 ENA
13 R701
RT1 ENA C713
DIM R719
R706 100K
220P 5 CT ADIM 12 1
1M
XS951 3.3M C703 1u
C714
REF
6 LCT TIMER 11 TIMER 1u/16V
1 +12V 1.0U
2 7 PDIM SSTCMP 10
3 R707 C706
8 9 C704
4 NC VSEN ISEN R720
P/S_on/off 4700P 68N
5 R708 R710 1M
1 1K R731
47K 130K OZ9976 IS2 out2
5PIN-3.96mm 1K R730
IS1
R709 R711 1 in2+ D701
XS952 10K ISEN
24K R715 1K 2
Vsen FB2
1 DIM 3
2 ON/OFF 2N3904 1 FB1
C707 C708
3 R712 R938
Q703
4 100K 1n 1N R713 10K C717 R714 BAV70
1K 10n 1K
4PIN-2.0mm
J701
FB
5 4 3 2
5 4 3 2 1
F901
L901 L902 L903
T4AL/250V
H21401(100uH) 10mH 10mH
2 1 DB901
1
2
4
3
4
2
1
2
1
1
C904 C907 RS1005
C901 C909 L904
XS901 470p/400Vac 100p/250Vac LF904
1
0.22u/275V
2
D D
2
2
2
2
100p/250Vac R901
L 2
2
C903