LG L1750U-BN, Service Manual

Page: 28 / 31

- 25 -
3.POWER
R
V5
V2
1
LP
-V
3.
3
DV
3.
3
N
O
D
O
M
D
O
M-
V5
DV
8.
1
*
*
*
50
8
C
F
U1
.0
50
8
C
F
U1
.0
61
8
R
K0
1
61
8
R
K0
1
90
8
C
F
U1
0.
0
90
8
C
F
U1
0.
0
k2
1
52
8
R
k2
1
52
8
R
62
8
C
Fn
22
62
8
C
Fn
22
12
8
R
W3
/
mh
o
0.
2
12
8
R
W3
/
mh
o
0.
2
40
8
R
K0
1
40
8
R
K0
1
91
8
C
Fp
02
2
91
8
C
Fp
02
2
+
30
8
C
V6
1/
Fu
00
1
+
30
8
C
V6
1/
Fu
00
1
0
80
8
R
0
80
8
R
11
8
C
Fu
1
11
8
C
Fu
1
60
8
R
00
2
60
8
R
00
2
42
8
R
K3
.4
42
8
R
K3
.4
+
40
8
C
V6
1/
Fu
00
1
+
40
8
C
V6
1/
Fu
00
1
0
30
8
R
0
30
8
R
50
8
R
00
2
50
8
R
00
2
10
8L
Hu
51
10
8L
Hu
51
1
2
3
Y-
37
21
AT
K
10
8
Q
1
2
3
Y-
37
21
AT
K
10
8
Q
+
23
8
C
V6
1/
F
U0
01
+
23
8
C
V6
1/
F
U0
01
1
3 2
20
8
Q
40
93
TS
K
20
8
Q
40
93
TS
K
03
8
C
V6
1/
Fu
01
03
8
C
V6
1/
Fu
01
82
8
C
V6
1/
Fu
01
82
8
C
V6
1/
Fu
01
k9
.3
32
8
R
k9
.3
32
8
R
10
8
D
43
SS
10
8
D
43
SS
+
70
8
C
V6
1/
Fu
02
2
+
70
8
C
V6
1/
Fu
02
2
+
80
8
C
V5
2/
Fu
00
1
+
80
8
C
V5
2/
Fu
00
1
52
8
C
Fu
1
52
8
C
Fu
1
1o
V
1n
i
V
2n
i
V
2o
V
4
N
G
3
N
G
2
N
G
1
N
G 10
8
U
23
55
LP
A
10
8
U
23
55
LP
A
T
U
O
1
C
N
Y
S
2
H
NI
3
P
M
O
C
4
C
C
V
8
D
N
G
7
F
E
R
V
6
BF
5
40
8
U
37
11
WP
A
40
8
U
37
11
WP
A
+
21
8
C
V6
1/
F
U0
01
+
21
8
C
V6
1/
F
U0
01