AOC L42H961, Service Manual

Page: 47 / 143

42
Ǝ
L
C
D
T
V
A
O
C
L
4
2
H
9
6
1
47
F
B
21
9
3
0 OH
M
1
2
VGA
_
R
6
U2
0
1
AZ
C0
9
9
-0
4
S
1 2 3
4 5 6
I/
O
1
GN
D
I/
O
2
I/
O
3
VD
D
I/
O
4
VC
C
5
D
CV
2
Y
P
bP
r2
_P
b
R2
1
7
75
O
H
M
1%
1
/10
W
R2
3
1
75
O
H
M
1%
1
/1
0
W
C
2
36
0.
2
2
u
F
C
2
25
0.
22
uF
Pr
1
J
ACK
CN2
0
3
1 2 3 4 5 6 7 8 9
F
B
21
8
3
0 OH
M
1
2
Y
P
bP
r2
_P
r
Y
P
bP
r1
_P
r
TV
_
C
V
B
S
R
2
7
7
10
0 OH
M
1
/10
W
YP
bP
r
1
In
pu
t
R
2
29
0
O
H
M
1/
1
0
W
R2
4
3
75
O
H
M
1%
1
/10
W
AV2
_L
R2
3
6
10
K OH
M
1
/10
W
F
B
20
5
3
0 OH
M
1
2
C
2
42
0.
2
2
u
F
YP
bP
r
2
In
pu
t
CN2
0
5
J
ACK
2 1 4 3 6 5
U
212
AZ
C0
9
9
-0
4
S
1 2 3
4 5 6
I/
O
1
GN
D
I/
O
2
I/
O
3
VD
D
I/
O
4
VG
A_V
S
Y
N
C
YP
b
P
r1
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P
b
YP
b
P
r1
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P
r
R2
2
1
75
O
H
M
1%
1
/10
W
VGA
_
B
6
CV
1
S2
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VC
C
5
D
VGA
_
R
R
2
1
8
0OH
M
1/
10
W
ZD2
0
7
V
P
O
R
T
06
03
10
0K
V0
5
1 2
R2
2
5
75
O
H
M
1%
1
/10
W
Y
P
bP
r2
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R2
1
6
75
O
H
M
1%
1
/10
W
R
2
45
0
R
05
1/
10
W
5%
C2
3
3
NC/
4
7
p
F
Vid
e
o
I
n
I
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U4
0
1
F
Z
R
3
9
78
5H
G
C
F
W2 W1
Y1
T4 V2 T2 T1 T3
U2 U1
V1
Y2 R5
T5
AB
1
AA
1
AA
2
U3
V3
AA
3
U4
V4
AB
3
U5
V5
AB
4
AA
4
L4
W3
L5 K5
M5 N5
AB
11
AE
9
V
IN_
R2
VI
N
_
G2
VI
N
_
B2
S
OG_
IN
0
SO
Y
_
IN
0
VG
A
_
R
0
VG
A
_
G
0
V
G
A_
B0
V
IN_
R1
VI
N
_
G1
VI
N
_
B1
SO
Y
_
IN
1
AF
E_
H
S
_
IN
AF
E_
V
S
_
IN
VC
O
M
VR
E
F
P
VR
E
F
N
SV
ID
EO
0
Y
SV
ID
EO
0
C
C
VBS
0
SV
ID
EO
1
Y
SV
ID
EO
1
C
C
VBS
1
SV
ID
EO
2
Y
SV
ID
EO
2
C
C
VBS
2
C
VBS
3
R
SET
R
E
F
N
O
D
E_
GN
D
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C
V
BS
R
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FN
O
D
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G
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R
R
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FN
O
D
E
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R
E
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D
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B
RE
F
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D
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D
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C
h
V
G
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L_
GPI
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P
2
8
V
G
A_
SD
A_
GPI
O
_
P
2
9
R2
8
1
75
R
1/
10
W
1%
S1
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S2C
C
2
46
0.
2
2
u
F
C2
3
4
N
C
/47
pF
S1
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C2
4
9
10
0p
F
R
2
39
0
R
05
1/
10
W
5%
S2
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R
2
46
0
R
05
1/
10
W
5%
U2
0
4
AZ
C0
9
9
-0
4
S
1 2 3
4 5 6
I/
O
1
GN
D
I/
O
2
I/
O
3
VD
D
I/
O
4
C2
4
8
10
0p
F
R2
5
0
75
O
H
M
1%
1
/10
W
CN2
0
2
DI
N
J
ACK
4 2
3 5 1
6
C2
2
8
N
C
/47
pF
F
B
20
9
3
0 OH
M
1
2
VGA
_
G
C
2
39
0.
0
1
u
F
AV2
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ud
io
_
L
11
S1C
R
2
41
0
R
05
1/
10
W
5%
V
G
A_
SC
L
6
F
B
22
0
3
0 OH
M
1
2
88T
78
13
60S
R
2
78
1
0
K
O
H
M
1/
1
0
W
Pr
2
R2
8
0
NC
AV1
_S
_D
ET
5
F
B
21
6
3
0 OH
M
1
2
R2
6
8
NC
C
2
23
0.
22
uF
AV2
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ud
io
_
R
1
1
C
2
22
0.
22
uF
VGA
_
G
6
VG
A_H
S
Y
N
C
88T
78
13
932
C
AV1
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VB
S
Pb2
R
2
40
0
R
05
1/
10
W
5%
C
2
40
0.
2
2
u
F
S2
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Y1
R
2
20
75
OH
M
1
%
1/
10
W
C
2
37
0.
2
2
u
F
88T
78
13
60S
D3
V
3
C
2
50
4.
7
u
F
/1
0
V
ZD2
0
2
V
P
O
R
T
06
03
10
0K
V0
5
1 2
R
2
15
0
O
H
M
1/
1
0
W
R2
3
3
NC/
0
O
H
M
1
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0
W
AV
1 I
n
p
u
t
(R
ea
r
)
R2
2
6
75
O
H
M
1%
1
/10
W
R2
2
8
NC
F
B
21
5
3
0 OH
M
1
2
YP
b
P
r1
_
Y
TV
_
C
V
B
S
3
VC
C
5
D
C
2
24
0.
22
uF
AV
1_
C
V
B
S
F
B
20
8
3
0 OH
M
1
2
CN2
0
4
J
ACK
2 1 4 3 6 5
88T
100
11
ST
AV2
_S
_D
ET
5
C
2
45
0.
2
2
u
F
R2
3
4
1
0
K
O
H
M
1
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0
W
AV
2_
C
V
B
S
R2
3
0
NC
C
2
31
0.
22
uF
C
2
43
0.
0
1
u
F
YP
b
P
r2
_
P
b
C2
2
9
NC/
4
7
p
F
C
2
38
0.
2
2
u
F
C
2
41
0.
2
2
u
F
R
2
19
75
OH
M
1
%
1/
10
W
F
B
21
7
3
0 OH
M
1
2
D3
V
3
F
B
20
7
3
0 OH
M
1
2
R
2
76
1
0
K
O
H
M
1/
1
0
W
Y2
V
G
A_
VS
Y
N
C
6
AV2
_C
VB
S
R2
4
4
75
O
H
M
1%
1
/10
W
Y
P
bP
r1
_Y
VGA
_
B
R2
3
7
10
K OH
M
1
/10
W
VC
C
5
D
88T
78
13A
19C
R2
4
2
75
O
H
M
1%
1
/10
W
C2
3
2
NC/
0
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2
u
F
AV2
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V
G
A_
SD
A
6
C
2
30
0.
22
uF
C
2
44
0.
2
2
u
F
S1
_C
CN2
0
1
J
ACK
1
3
4
2
8
5 6 7
S2
_C
R2
4
8
75
O
H
M
1%
1
/10
W
S1Y
U2
0
3
AZ
C0
9
9
-0
4
S
1 2 3
4 5 6
I/
O
1
GN
D
I/
O
2
I/
O
3
VD
D
I/
O
4
R
2
23
0
O
H
M
1/
1
0
W
Y
P
bP
r1
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b
F
B
20
4
3
0 OH
M
1
2
S1
_Y
R
2
14
0
O
H
M
1/
1
0
W
C2
3
5
N
C
/47
pF
R
2
24
0
O
H
M
1/
1
0
W
R2
2
7
NC
ZD2
0
1
V
P
O
R
T
06
03
10
0K
V0
5
1 2
F
B
20
6
3
0 OH
M
1
2
VGA
_
H
S
Y
N
C
6
R2
4
9
75
O
H
M
1%
1
/10
W
F
B
21
1
0
O
H
M
1/
1
0
W
YP
b
P
r2
_
Y
C2
2
6
NC/
4
7
p
F
R2
3
2
1
0
K
O
H
M
1
/1
0
W
C
Cu
st
o
m
41
5
M
o
nd
ay
, J
a
nu
ar
y
1
9
, 20
09
71
5T
32
69
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R
2
22
75
OH
M
1
%
1/
10
W
R
2
38
62
K OH
M
1/
10
W
R2
3
5
NC/
0
O
H
M
1
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C2
2
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C
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47
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0
1
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F
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r
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21
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H
M
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1
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W
R
2
7
9
10
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M
1
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W
S2Y
R
2
47
0
O
H
M
1/
1
0
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AV
2 I
n
p
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t
(S
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Pb1
C
2
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F