AOC L42H961, Service Manual

Page: 46 / 143

42
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L
C
D
T
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A
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4
2
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9
6
1
46
9. Schematic Diagram
9.1 Main B
o
ard
715G3269 1
T
UNE
R_
CV
B
S
C2
1
0
82p
F
R
2
05
1
0
0 O
H
M
1/
10W
IF
_
A
P
12
SI
F
_
P
C2
1
8
0.
1uF
/16V
C
2
62
0.
0022
uF
ENV56S0
2D8F
C
2
13
0
.1U
F
1
6
V
R2
1
3
N
C
/75 O
H
M
1/
10W
C2
0
9
NC
R
2
08
33
O
H
M
1/
1
0
W
20
5VT
L2
0
1
0.
2
2
u
H
FB
2
0
2
N
C
1
2
15
SI
F
_
N
T
V
_C
VBS
TU
_
G
N
D
16
C
2
15
0
.1U
F
1
6
V
14
C
208
0.
00
1uF
L2
0
2
0.
1
5
u
H
DE
M
O
D_
RS
T
N
8
IF
_
A
G
C
C
2
12
0
.1U
F
1
6
V
C2
2
1
0.
1uF
/1
6
V
D
e
m
o
dul
at
or
U4
0
1
P
Z
R
3
9
785H
G
C
F
AF
2
AE
2
AF
4
AF
7
AF
8
AC
8
AC
7
AE
7
AC
6
AD
8
AE
4
AD
3
AD
2
AD
1
AF
1
AE
1
AA
5
IF
_
A
INN
IF
_
A
INP
SI
F
_
AI
N
N
IF
_
A
G
C
RF_
A
G
C
DM
O
D
_
R
S
T
_
N
M
P
EG_F
AI
L
PAR
AM
0
SA_D
A
T
A
DE
M
O
D_
CL
K
O
SI
F
_
AI
N
P
IF
_
R
B
IA
S
IF
_VI
N
BI
AS
IF_
V
CM
IF_
V
RE
FN
IF_
V
RE
FP
IF
_D
VAL_
G
PI
O
R
2
12
N
C
/75 O
H
M
1/
10W
TU
_
G
N
D
11
SI
F
_
IN
T
UNE
R_
CV
B
S
C
220
22
pF
04
02
C
207
0.
01uF
9
SI
F
_
IN
TP
2
1
R2
0
3
10
K
O
H
M
1
/1
0
W
D3
V
3
IF
_
A
INP
04
02
4 21
5V
:
BB
=15mA
(MAX)
+B
=140m
A(MAX
)
VB
=70mA
(MAX)
IF
_
A
INN
I2
C1
_
S
DA
R
2
11
2K OH
M
1
/10
W
C
2
11
0
.1U
F
1
6
V
I2
C1
_
S
CL
1
I2
C1
_
S
CL
5
,7
2
R
2
07
3
.9K
O
H
M
1
/1
0
W
C
Cu
s
to
m
31
5
M
o
nday
, J
anu
ar
y
19
, 2009
715
T
326
9
<
⿄⠍
>
0
3
-Tune
r
O
E
M MO
D
E
L
S
iz
e
Re
v
Da
te
Sheet
of
T
PV M
O
D
E
L
PC
B N
A
M
E
⿄⠍
T
P
V
( T
o
p
V
ic
to
ry
E
le
c
tr
o
n
ic
s
Co
.
,
L
td
. )
Ke
y C
o
m
p
o
n
e
n
t
㍀
䱨
⪰
㌾
㝍
C2
6
7
1u
F
/16
V
8 13 6
C2
1
7
NC/4
7
p
F
C2
0
2
2
200p
F
/1
6V
R
204
10
K OH
M
1/
1
0
W
17
04
02
T
V
_C
VBS
4
19
R
2
10
N
C
/20K OH
M
1/
10W
No
Co
n
n
e
c
t
P
in
s
U
401L
Z
R
39785H
G
C
F
K2
2
NC6
8
C
2
0
5
0.
0
1uF
C2
1
9
22
p
F
18
C2
6
5
0
.00
22uF
R
2
09
4.
7K OH
M
1/
10
W
RF_
A
G
C
TP
1
1
R
2
01
N
C
/0 O
H
M
1/
10W
C
214
0.
00
1uF
C2
0
4
NC/
0
.1
u
F/
1
6
V
C
2
06
0.
0022
uF
C2
1
6
NC
04
02
IF
_
A
G
C
PAR
AM
0
R
2
06
1
0
0 O
H
M
1/
10W
L2
0
3
0.
2
2
u
H
D3
V
3
IF
_
A
N
R
2
02
N
C
/4
7 O
H
M
1/
10W
T
U
201
T
U
N
E
R
1 2 3 5 6 8 9 10 11 13 14 15 16 17 22 23 24 25 19 20 21
NC
BB
AGC
NC
BT
M
o
nit
or
NC NC NC NC
SC
L
SD
A
NC
IF
A
G
C
+B
TH
1
TH
2
TH
3
TH
4
IF
D
-out
1
IF
D
-out
2
IF
M
o
n
it
o
r
C2
6
6
0
.00
22uF
F
B
201
600
O
H
M
1
2
5
I2
C1
_
S
DA
5
,7
C2
0
3
0.
1
u
F
/16
V
3 7
Gu
e
s
t B
u
s
U4
0
1
H
Z
R
3
9
785H
G
C
F
W2
2
Y2
2
Y2
3
Y2
4
Y2
5
Y2
6
W2
5
W2
4
W2
3
V2
3
V2
2
V2
4
U2
2
O
E
2
/G
A
DR0
_
A
L
E
ST
V1/
G
D
A
T
0
OE1/
G
D
A
T
1
CP
V
/G
D
A
T
2
S
T
H2
/G
DA
T
3
S
T
H1
/G
DA
T
4
TP
/G
D
A
T5
C
PV2/
G
D
A
T
6
RV
S
/G
D
A
T
7
GOE_N
GW
E_N
ST
V2/
G
C
S
_N
0
GPO/
GAD
R
1
_C
LE
C2
0
1
0.
1
u
F
/16
V
10
F
B
203
600
O
H
M
1
2