AOC L42H961, Service Manual

Page: 69 / 143

42
Ǝ
L
C
D
T
V
A
O
C
L
4
2
H
9
6
1
69
VC
C
1
RE
F
2
GN
D
3
FB
4
EN
5
PGN
D
6
LX
7
VI
N
8
U7
0
7
G
5
6
2
7F
11U
C
741
1U
F
/25V
C7
3
3
0.
1uF
/1
6
V
C
734
N
C
/0.
0
6
8u
F
/16
V
C7
4
0
0
.1u
F
/16
V
R7
0
5
10K
1/
10W
R
708
10R
1/
1
0
W
5%
L701 4.
7uH
C
738
0.
1uF
/16V
C7
3
1
1U
F
/25
V
C7
3
9
22u
F
C7
3
5
1000p
F
Vout =
0.8x(R1
+R2)/R2
R7
1
4
39K
O
H
M
+
-1
%
1/
10W
R1 R2
R7
1
2
18K
O
H
M
+
-1
%
1/
10W
+
C7
3
6
2
20uF
10V
73
G253S
46
B
C
759
4U
F
7
10V
+
C
732
220uF
25V
V
CC5
D
1
2
FB
7
0
3
300 O
H
M
V
CC1
V
1
R7
3
3
2.
2K
1/
10W
5%
+
C7
3
0
47
0uF
/1
0
V
+
C
713
22
0uF
/1
0V
+
C7
4
5
2
20uF
/10V
+
C7
4
9
470
uF
1
6
V
+
C
743
100u
F
16
V
+
C7
0
4
220u
F
/1
0V
1
2
F
B
70
1
1
20O
H
M
O
E
M MO
D
E
L
Si
ze
Re
v
Da
te
Sh
eet
of
T
PV M
O
D
E
L
PC
B N
A
M
E
⿄⠍
T
P
V
(
T
o
p
Vi
c
tor
y
El
ec
tr
oni
c
s
C
o
.
,
Lt
d.
)
Ke
y C
o
m
p
o
n
e
n
t
㍀
䱨
⪰
㌾
㝍
F
Cu
st
o
m
14
15
Sat
u
rd
ay
, J
u
ne
12,
2
0
10
71
5G3269
<
⿄⠍
>
14-
P
o
w
er
G
3
269-
M
01-
X
-X
-43-
1
0060
8
PS_ON
PS_ON
PW
R
_
ON
PW
R
_
ON
1 2 3 4 5 6 7 8 9 10 11 12
CN
7
0
1
CO
N
N
R
7
02
100R
1/
10W
5%
R
7
19
560R
1/
1
0
W
5%
C7
0
9
0.
1
u
F
/16
V
C
750
0.
1uF
/16V
OU
T
2
IN
3
GND
1
U7
0
2
A
IC
108
4-
18
P
E
C
729
0.
001uF
R7
1
7
33K
1/
10W
5%
Q701 MMB
T3
9
0
4
C
719
0.
1uF
50V
Q702 MMB
T
3
9
0
4
S
1
S
2
S
3
G
4
D
8
D
7
D
6
D
5
Q703
AO4449 -
7
A/
-30V
VI
N
3
VOU
T
2
ADJ
1
U7
0
8
G
9
084T
4
3
U
C7
4
6
0.
47uF
/1
6V
R
7
01
100R
1/
10W
5%
R7
1
6
1
00R
1
/10W
1
%
R
709
10K
1/
10W
5%
C7
0
6
0.
1u
F
/16
V
R
718
47K
1/
10W
5%
R
732
0R
05 1/
10W
5%
C
747
0.
2
2
U
F
25
V X
7
R
Q7
0
4
MM
B
T
3
9
0
4
VOU
T
2
VI
N
3
GND
1
U7
0
3
G
1
08
4-
3
3
T
4
3U
f
+
C7
2
1
220
uF
/3
5V
R7
1
1
10K
1/
10W
5%
C7
2
2
0.
01
uF
R
715
47K
1/
10W
5%
C7
1
7
0.
01uF
R
704
N
C
/4
K
7
1/
10W
5%
AD
J
/GN
D
1
OU
T
P
U
T
2
IN
P
U
T
3
U7
0
9
A
Z
1
1
17D
-5
.0
-E
1
L703 33 OH
M
C
720
0.
001u
F
C7
1
0
0.
00
1uF
C
708
0.
01uF
C7
6
1
0.
01uF
C
728
0.
1uF
/16V
R
713
47K
1/
10W
5%
D1
V
8
C
742
0.
1uF
/16V
Vout
= 0.8x(
R1+R2)/
R2
R7
3
7
24
K
O
H
M
+
-1%
1/
10W
R7
0
7
1K
1/
10W
5%
R7
3
6
1.
8K
O
H
M
1/
10W
5%
R7
3
8
20K
1/
10W
1%
C7
2
6
0.
1u
F
/16
V
V
CC5
D
4,
5,
6
,7,
11,
1
2,
13
V
CC1
V
1
8,
10
C
727
1U
F
/25V
D3
V
3
3
,4,
6,
7
,8,
10,
1
2,
13
+
5
VSB
6
,7,
12,
13
D1
V
8
8,
9,
10
P24V
12
3V3_
ST
B
5,
6,
7,
8,
10
P12V
10,
12,
13,
1
5
5VT
3
C7
1
8
1U
F
/2
5
V
R7
2
1
10R
1/
10
W
5%
73G
253S
46 B
C7
7
4
0.
1uF
50V
C
765
100
0pF
C7
6
6
N
C
/0.
068u
F
/16
V
C7
7
2
0.
1u
F
50
V
8V3
5VT
C7
7
1
1N
50V
C7
2
4
0.
01
uF
+
C7
6
3
47
0uF
16V
R7
4
9
0R
05 1/
10W
VC
C
5
D
P1
2V
+
C7
0
2
2
20uF
1
6
V
L704 4.
7uH
+
C7
0
1
100uF
25V
+
C7
2
5
4
70uF
16V
1V8_ST
B
3V3_ST
B
C7
7
3
3
3
0P 50V
1
2
FB
7
0
2
300 O
H
M
R1
+
5
VSB
+
5
VSB
VC
C
1
RE
F
2
GN
D
3
FB
4
EN
5
PGN
D
6
LX
7
VI
N
8
U7
0
4
G
5
627F
11U
C7
6
8
1
0
uF
16V
8V3
C7
4
4
22uF
10V
R2
P12V
C7
2
3
4U
F
7
10V
R7
4
8
47K
O
H
M
+
-1%
1/
10W
VC
C
5
D
+
C7
1
1
2
2
0uF
/25V
L705
4.
7uH
C7
6
2
22uF
3V3_
ST
B
R7
3
5
10K
1/
10W
C7
6
9
0.
1u
F
50
V
FB
7
0
4
NC /
3
3
O
H
M
V
CC5
D
D3
V
3
C7
6
7
22uF
/ 10
V
R
740
10R
1/
10W
5%
R
742
15
O
H
M
1/
10W
R7
5
0
15K
1/
10W
1
%
+5
V
S
B
+
5
VSB
3V3_ST
B
+
5
VSB
P24V
C7
7
0
NC
BL_ON
_
OF
F
8
VC
C
1
RE
F
2
GN
D
3
FB
4
EN
5
PGN
D
6
LX
7
VI
N
8
U7
0
6
G
5
692P
11
U
12P S/T
2.5
mm
From Power Board
5V
B
L
_
B
R_
CT
RL
1
0
PW
R
_
ON
8
C
705
330P 50V
R1
B
12V 24V
33G3278
12D
Vout =
1.25x(R
1+R2)/R
1
R
2
C
E
R
741
10K
1/
10W
R1
For
Tu
ne
r
1 2
ZD7
0
3
NC
/B
ZT
5
2
C
6
V
2
-7
-F
S
ta
n
d
b
y
R2
Vout =
0.8x(R
1+R2)/R
2
L706
2.
2uH
R
703
10K
1/
10W
5%
C7
0
7
0.
1
u
F
/16
V