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Block Diagram (3/3)
Li
ne
Fi
lte
r
LF7104
F7101
3
2
4
1
Li
ne
Fi
lte
r
LF7103
3
2
4
1
CF7101
~
~
+
-
D7102
D7104
D7105
IC7301
14
VS
9
VW
Resonant Controller
HOT
COLD
PC7301
Photo coupler
1
VH
4
FB
5VS
P2
2
3
TO A02
10
11
13
BL_SOS
BL_ON
PWM1
P4
3
2
1
BL_SOS
BL_ON
PWM1
8
7
TO PANEL
24V
24V
7
TV_SUB_ON
POWER_ON
8
5
1
9
KEY1
IC7401
JK7101
MAIN INPUT
Li
ne
Fi
lte
r
LF7105
3
2
4
1
T7201
4
2
IC7201
PFC
Control IC
7
OUT
8
VCC
Q7201
Q7202
6
8
14
T7301
15
3
PC7303
Photo coupler
PC7302
Photo coupler
Q7403
IC7502
Reg
5
Vin
1
Vout
24V
16V
TV_SUB_ON
16V
16V
16V
CF7102
D7305
6
REF
10
VCC
2
D7304
18
13
10
D7402
D7401
D7407
D7408
D7409
Q7402
5VS
D7405
24V
9
10
11
KEY1
POWER_ON
TO GK4
GK-BOARD
GK4
SW2855
SW2854
SW2853
SW2852
SW2851
KEY1
SW2857
P-BOARD
3
2
TO P4
POWER_ON
3
CE
27
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