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1 2 3 4 5 6 7 8
T4AH/250V ! ! ! !
! ! !
CN1 F1 TH1
CX1 L1 L2 ! ! BD1
L3 D1
400Vdc
1 2 2 1 12 2
2
C2 CNS1
R1 +
! ! R1B CY1 ! on/off
1
1
VR1
NC
NC
C1 ! EC1
2
3
2
3 24V_audio
CNS2
1
D 4 CNS3 D
R2B CY2 5V 4 2
5 1
! R2
! 5Vsb
6
7
5
6
3
4
2
3
1
2
7 5 3
1 3 34 4 8 4
1 8 6 4
9 5
9 7 5
! ! ! 12V
10
10 24V_BL 8 24V_BL
6
6
Vin
CY3
!
!
D5 T3 D9
EC4 EC5 EC6 EC19 R70 R76 R77 R78 R79 R16 24V_BL
12
2
Q6 D8
C7
D6
KA
R10
VCC
!
10
3
C5
1
C6 R13 9
L6 C4 2
R11
R27
! Q4
R14
14
16
IC2
2
8
ZCD C8 10
8
4
R8
15
! D30
REG
Vcc
VB
VGH
VS EC9 EC10 12V R15
12V
400Vdc
13
NC R12 D7
R35 Q5 ! 8
R17
5
R9 PC2B
D4 11 C9
VGL
R18 12
1
NC
18
D10 ! R39 R41
Vsen NC Q10
C VCC R36 11 C
R21 D31 C23
17 R92 R93 R94 R95 R96 R97
R19 NC
!
GND
IC1 R22 C21
R3
Css
OC
RV
10
RC
FB
COM
1 8 R25 Q3 D18 Q13 R38
FB Vcc R59
R4 R7 C22
R30 7 +
K
3
4
5
6
7
9
MN
R20 Q2 C24
C16 R31 EC17 R
C10 2 7 + U1
C13 Ctrl DRV R23 D29 R32 R42
D2 NC C46
R26 NC R33 EC11
C17 R40
A
C11 NC Q1 Q9 R58 D19
3 6 NC
Ct GND +
R34 NC
24V_BL LS3
C3 R24 NC D3 NC
! EC8 C20 R37
R5 R6 C18
4 5 PC2A C19
CS ZCD ZCD NC
NC
NC 12V L4 NC NC Q14 R64 D32
C45 ! MN NC NC