50
3.17 Wiring diagram of Power board - PW.188W2.711
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
D D
C C
B B
A A
SGND
!
!
!
Vbridge
SGND
380V
ZCD
380V
VCC2
R210
R219
Vbridge
SGND
SGNDSGND
SGND
SGND
SGND
R203
!
R204
R208
R211
C211
R1
R2
R3
R4
C209
GND
B201
R223
R224
C206
CX1
R233
D3
D4
D2
D1
D
G
S
Q201
R230
R231
R221C221
C205
R214
R205
R206
A K
D201
MOV1
R215
1
4
2
3
LC5
2
4
3
1
BD1
3
1
6
5
L201
AC_L
AC_N
L_1
R220
C204
B202
RB50
GND
1
4
2
3
LC1
!
N_1
TP-TDT
!
SGND
SGND
SGND
GNDSGND
R126
C108
!
!
C102
R108
GND
!
C112
H
+
E107
AK
D105
+
E106
AK
D106
BRO
R135
R115
R101R102
C107
R106
C106
!
B101
R114
SGND
BRO
R142
R143
C116
C115
GND
R129
R128
1
3
2
D101
Q101
R144
C103
R104
R107
Q102
R109
R105
C101
R103
KA
R
U102
R136
R137
R138
R139
R148
12
PC101A
3 4
PC101B
SGND
3
1
5
6
9
7
8
10
11
T101
12V1
12V112V1
R130
C109
R110
R111
D1
VC
19V1
C104
CB6
1
1
2
2
3
3
A
NC
K
ZD101
R113
+
E101
+
E102
Q103
N_1
N_1
VCC1
D109
AK
D108
AK
D107
VCC2
VCC1
!
!
R808
R805
12
PC801A
3 4
PC801B
12V
Q804
NTC1
1
4
2
3
LC4
!
SGND
C222
IS
ZCD
SGND
R226
R225
IS
C202
C203
D103
+
E103
+
E104
GND
C110
R131
R132
R133
R140
19V1
C114
R141
12V
5V 5VSB
PS_ON
GND
12V
19V
C1 C2
L1
L2
R209
R127
R212
R213
J101
J102
R112
R164
R120
R121R122
R123
INV
1
RDY
2
COMP
3
CS
4
VCC
8
GND
6
ZCD
5
OUT
7
U201
1
3
2
D102
3
1
N
L
CN1
1
2
3
4
6
5
7
8
9
10
11
12
13
CN102
1
2
3
4
CN103
A K
D202
A K
D203
GND
1
COMP
2
OTP
3
CS
4
VCC
5
OUT
6
U101
N_2
R150
5V
D204
+
E110
C119
C120
C121
C122
R149
R151
+
E109
R154
R153
R156
R157
R158
R161
R152
R159
R160 C123
GND
PS_ON
12V1 12V 5VSB 5V
C
B
E
Q107
J103
D110
D111
D113
D
D
G
G
S
S
Q105
D
D
G
G
S
S
Q106
D110
NTC2
!
! !
!
!
R232
4
2
6
5
L203
+
E201
+
E202
J104
PS
PS
C117
C118
R145
+
E108
R147
GND
19V1 19V
D112
D
D
G
G
S
S
Q104
J105
204207
201-S
AMP_P
201-D
3
1
5
6
9
7
8
10
11
T102
GND
!
12
PC601A
R601
R602
12V1
SGND
3 4
PC601B
1
1
2
2
3
3
A
NC
K
Z601
BRO
!
4
2
6
5
L202
Vbridge
ZCD
SGND
L201_3
L201_3
!
!
JNT1
12V1
5VSB
B105
R162
R163
D116
1
1
2
2
3
3
A
NC
K
ZD102
GND GND
GNDGND
12V
12V
12V
AMP_PAMP_P
2
4
6
8
12
10
14
16
1
15
13
11
9
7
5
3
CN101
GND
PS_ON
BL_ONADJ_PWM
T5AH 250V~
F1
R100
1
4
2
3
LC2
!
380V
R107
380V
12V
BURN
R134
!
N_3
6
1 2
3 4
5
12V-INGND 5VSB
防呆
PWB1
R5 R6
C125
C126
B103
1
4
2
3
LC3
!
!
!
PS_BL
BD1
R202
R201
CY1
CY2
CY3
CY101
!
!
! !
!
!
R7
R8
SGND
D802
+
E801
R810
1
1
2
2
3
3
A
NC
K
Z802
R810
B203
C111
NC
NC
NC
NC
NC
NCNC
- for models: LC-43CUF8472ES, LC-49CUF8372ES, LC-49CUF8472ES, LC-55CUF8472ES,
LC-55CUF8372ES, LC-49CUG8362KS, LC-43CUG8461KS, LC-43CUG8462KS,
LC-49CUG8462KS, LC-55CUG8461KS, LC-55CUG8462KS
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