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
D7301
D7302
IC7301
5
OUT
6
VCC
1
ZCD
PWM
Controller
HOT
COLD
PC7302
Photo coupler
8
VH
2
FB
5VS
P2
2
3
TO A02
10
11
13
BL_SOS
BL_ON
PWM1
P4
4
3
1
BL_SOS
BL_ON
PWM1
8
7
TO PANEL
24V
24V
SW3750
7
TV_SUB_ON
POWER_ON
8
5
1
9
KEY1
IC7501
KEY CONTROL
SW3755
SW3756
SW3758
SW3754
SW3757
KEY1
JK7100
MAIN INPUT
Li
ne
Fi
lte
r
LF7105
3
2
4
1
T7202
1,2
4
IC7201
PFC
Control IC
7
OUT
8
VCC
Q7200
Q7201
7
5
10
T7301
12
2
Q7301
PC7304
Photo coupler
PC7303
Photo coupler
D7502
Q7502
IC7400
Step-Down Regulator
4
Vin
5
Q7501
IC7502
Q7512
POWER_ON
24V
16V
TV_SUB_ON
TV_SUB_ON
5VS
16V
16V
16V
Q7304
D7513
P-BOARD
2
EN
D7501
27