44
3.15 Wiring diagram of Power board - PW.168W2.801
SGND
!
!
!
!
!
!
!
Vb
ridge
SGND
380V
ZCD
380V
VCC2
R210
R219
V
bri
dge
SGND
SGND
SGND
SGND
SGND
SGND
R201
!
R202
R203
R204
C21
1
R1
R2
R3
R4
C209
PGND
!
B201
R22
3
R22
4
T5
AH
250
V~
C206
PW
.168
W
2.
801
M
ode
l N
am
e:
CHK'D:
DATE:
VERS
ION:
DATE:
DRA
W
N:
Ma
Fengqi
V
1.1
WYF
R21
8
CY
3
D3
D4
D2
D5
D
G
S
Q
201
R21
6
R21
7
R22
1
C22
1
C205
R214
R20
5
R20
6
A
K
D
201
MOV1
R215
1
4
2
3
LC2
2
4
3
1
BD
1
3
1
6
5
L201
4
2
6
5
L202
AC
_L
AC
_N
L_1
R220
C20
4
B202
RB
50
CY
1
PG
ND
1
4
2
3
LC1
!
R5
N
_1
TP
-TDT
!
SGND
SGND
SGND
380V
GND
SGND
R12
6
C10
8
!
!
C10
2
R108
GND
!
C112
H
+
E10
7
A
K
D10
5
+
E106
A
K
D106
BRO
R135
R11
5
R10
1
R10
2
C10
7
CY101
R106
C106
!
B101
R11
4
SGND
BRO
R142
R143
C11
6
C11
5
GND
R129
R128
1
3
2
D101
Q101
R144
C10
3
R104
R107
Q102
R109
R105
C10
1
R10
3
K
A
R
U102
R136
R137
R13
8
R13
9
1
2
PC1
01A
3
4
PC1
01B
SGND
3
1
5
6
9
7
8
10
11
T101
12V1
12V1
12V1
R130
C109
R11
0
R11
1
R11
7
R11
9
D1
VC
19V1
C104
RB15
CB6
A
NC
K
Z101
R113
+
E10
1
+
E10
2
Q103
R134
N_1
N_1
VCC1
D109
3
R11
8
R11
6
C11
1
VCC2
VCC1
!
!
C321
17
.7V
R356
R355
R35
3
R35
4
K
A
R
U
303
R357
R359
C32
7
Q
305
1
2
PC
303A
3
4
PC
303B
CO
N
_G
Q
304
BL
_ON
R358
C328
-1
M
ylar
M
L1
SGND
CY2
NTC1
1
4
2
3
LC3
!
!
SGND
C222
IS
ZCD
SGND
R226
R22
5
IS
C20
2
C20
3
+
E20
1
D
103
+
E10
3
+
E105
GND
C110
R131 R132
R133
R140
19
V1
C114
R14
1
+
E11
0
C117
C118
C11
9
C12
0
C121
C12
2
R14
5
R14
9
R151
+
E10
8
+
E10
9
R15
4
R15
3
R15
5
R15
6
R15
7
R158
R161
R15
2
R14
7
R159
R160
C123
GND
GND
PS
_ON
19
V1
19V
12
V1
12V
5VSB
5V
C1
C2
L1
L2
R209
R127
PF
C1
R212
R213
R112
R164
R12
0
R12
1
R12
2
R12
3
R12
4
R12
5
INV
1
RDY
2
COMP
3
CS
4
VCC
8
GND
6
ZCD
5
OUT
7
U
201
C
B
E
Q
107
J103
H
S
HS3
HS
HS5
R227
SGND
SGND
R391
R166
1
3
2
D
102
3
1
N
L
CN
1
D11
0
D
111
D
112
D
113
GD1
GD2
GD3
GD4
HS
HS1
H
S
HS4
D
G
S
Q
104
D
G
S
Q
105
D
G
S
Q
106
GND
1
COMP
2
OTP
3
CS
4
VCC
5
OUT
6
U
101
Q
201S
CS
1
HS
H
S2
N
_2
R15
0
3
3
H
S
2
2
HS7
GND
D
103
D
112
D
110
R211
R228
SGND
D
204
1
4
2
3
LC4
G
D5
J104
!
!
!
!
!
!
!
!
!
2017
-03
-23
F1
3
1
5
6
9
7
8
10
11
T102
GND
!
1
2
PC1
02A
SGND
3
4
PC1
02B
R180
!
BRO
12V1
J105
R148
R181
A
NC
K
ZD
101
A
NC
K
ZD
102
CX
1
B201
12V
5V
5VSB
PS
_ON
GND
12V
19V
GND
AD
J_
PWM
BL
_ON
J101
J102
1
2 3 4
CN
306
1
2
3
4
6
5
7
8
9
10
11
12
13
CN
102
1
2 3 4
CN
103
5V
A
M
P_P
!
G
4
Q106G
6
12V1
A
K
D202
A
K
D203
D202
380V
GND
GND
GND
GND
12V 12V
12V
A
M
P_P
A
M
P_P
2 4 6 8
12
10
14 16
1
15
13
11
9
7
5
3
CN
101
PS_
ON
BL
_ON
AD
J_
PWM
GND
R6
!
R19
0
R19
1
R192
R14
6
R193
12
V1
5VSB
B102
6
1
2
3
4
5
12
V
-IN
GND
5VSB
防呆
PW
B1
D
116
V1
NC
NC
NC
!
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
!
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
- for model: LC-49CUG8052E, LC-49CUG8062E