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1
2
8. Circuit Diagrams
A
NTCB1
NTCB2
NC
!
CNB1
FB1
!
1
!
L
!
3
N
B
C
ML1
Mylar
GD1
GD2
GD3
GD4
EVA1 EVA2 EVA3
EVA4 EVA5 EVA6
D
1
2
3
L
RB141
RB142
RB143
L
CYB1
!
!
!
!
!
!
SGND
LCB1
DB1
DB2
Vbridge
GND
DB3
DB4
SGND
CYB2
LCB2
!
!
NC
!
!
!
3
4
5
Vbridge
!
TP-TDT
BRO
EB1
CB111
SGND
SGND
Vrms=380
BB101
K
A
Vrms=300
DB103
D_QB101
DB106
!
QB101
RB106
G
CB116
DB111
RB109
RB107
RB148
UB101
1
6
GND
GATE
CB103
RB102
RB101
2
5
COMP
VCC
L
BRO
!
3
4
NC
CS
RB105
RB104
CB101
SGND
PCB101B
RB103
SGND
CB102
SGND
GND
12V
LED_GATE
CB813
RB816
UB801
RB813
1
8
VIN
PWM
PWM_REF
Vs tart_min:9V
UVLO_max:8V
2
7
CB801
GATE
OVP
LED_OVP
～
Vovp_ov:1.9
2.1V
CB806
VBL
3
6
GND
COMP
RB803
4
5
CS
FB
GND
～
Vref_ea:289
0.331mV
RB806
LED_GATE
GND
LED_CS
CB803
RB805
CB812
LED_FB
LED_CS
CB804
CB805
RB804
GND
GND
22
4
5
6
CYB3
SGND
GND
CB118
!
12V
RB135
RB124
RB125
RB131
RB126
1
RB127
2
VBL
6
11
3
TB101
!
EB104
CB120
DB102
5
EB105
RB132
RB140
RB133
4
9
!
GND
CB109
CB117
RB128
UB102
CB110
1
12V
RB129
R
10
RB134
EB101
DB101
EB102
EB103
2
7
GND
GND
SGND
CB113
RB116
EB106
SGND
NC
RB812
LB802
6
5
2
CB810
LB801
DB801
Vrms=180
LED+
BB801
EB803
D_QB801
QB801
RB807
CB809
G
LED_OVP
GND
RB810
LED_FB
LED+
GND
LED_FB
GND
6
7
8
GL1
!
!
!
A
HSB5
HSB1
HSB3
VBL
D_QB101
12V
CNB2
12V
2
1
GND
B
PWM_REF
PWM_REF
PWM_REF
GL2
C
HSB4
!
D_QB801
CNB832
CNB831
CNB822
CNB821
RB846
LED+
RB847
RB845
LED+
LED_FB
D
7
8
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