71
D33
R923
10K 1/16W
Q912
2SC2412K
R908
NC
C926
0.1uF/16V
C941
0.1uF/16V
+
C919
1uF/16V
R948
NC
C933
0.1uF/16V
Q908
2SA1037AK
5V
C952
0.1uF/16V
8V
+
C942
1uF/16V
C900
0.001uF
X901
20MHz
AGND
AGND
R912
4.7K 1/16W
C934
0.1uF/16V
D33
R931
220 1/16W
FL901
EMI FILTER
1
2
3
4
6
R917
10 1/16W
8V
R914
560 1/16W
AGND
AGND
R913
4.7K 1/16W
C935
0.1uF/16V
R938
1K 1/16W
+
C958
47uF/16V
C954
0.1uF/16V
R946
22K 1/16W
Q914
2SA1037AK
C916
0.1uF/16V
U904
3
2
1
VI
VO
GN
D
R928
100 1/16W
C944
0.1uF/16V
C920
22pF
R947
1.8K 1/16W
+
C937
1uF/16V
C939
0.1uF/16V
R942
470 1/16W
R936
560 1/16W
Q903
2SA1037AK
C953
0.1uF/16V
AGND
C946
0.1uF/16V
SDA
3,4,5,6,9,11,14
C924
150pF
R915
470 1/16W
R934
470 1/16W
A25
+
C936
NC
R930
47 1/16W
R910
47K 1/16W
C943
0.1uF/16V
R906
120 1/2W
C925
150pF
C951
0.1uF
Q913
2SC2412K
D900
1N4148W
C921
0.1uF/16V
D33
Q902
2SA1037AK
Q905
2SC2412K
Q900
2SA1037AK
5V
L914
600 OHM
L906
600 OHM
L909
600 OHM
AGND
C960
0.1uF
+
C922
10uF/16V
R932
NC
R922
470 1/16W
Q909
2SA1037AK
C927
22pF
C961
0.1uF
L904
600 OHM
AY O
R929
120 1/2W
ACO
R935
4.7K 1/16W
D25
CVBS_SEL_O
2
C923
0.1uF/16V
+
C918
10uF/16V
R933
1K 1/16W
R909
1K 1/16W
AY I
R939
0 1/16W
FL900
EMI FILTER
1
2
3
4
6
AGND
R951
470 1/16W
C929
0.1uF/16V
R941
10 1/16W
R920
220 1/16W
R953
3.3K 1/16W
R925
220K 1/16W
AGND
R918
100 1/16W
R924
10K 1/16W
D25
+
C955
10uF/16V
R944
0 1/16W
A25
3D_Y
4
R927
100 1/16W
R919
470 1/16W
+
C959
47uF/16V
Q911
2SA1037AK
R921
220 1/16W
D25
Q910
2SC2412K
R926
2.2K 1/16W
R900
0 1/16W
C938
0.1uF/16V
AGND
Q901
2SA1037AK
R945
0 1/16W
C917
0.1uF/16V
Q906
2SA1037AK
R907
47 1/16W
R943
220 1/16W
AGND
AGND
3D_C
4
C930
22pF
L908
600 OHM
L912
600 OHM
C945
0.1uF/16V
D25
R952
470 1/16W
L913
600 OHM
R916
5.6K 1/16W
C948
0.1uF
C932
0.1uF/16V
R940
5.6K 1/16W
D33
C956
0.1uF
AGND
L915
600 OHM
+
C950
10uF/16V
+
C947
10uF/16V
C928
0.1uF/16V
R937
470 1/16W
Q904
2SC2412K
R949
27K 1/16W
Q907
2SC2412K
SCL
3,4,5,6,9,11,14
R950
820 1/16W
For without Com Filter
C940
0.1uF/16V
U903
3
2
1
VI
VO
GN
D
R911
1K 1/16W
U902
UPD64083GF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
DG
ND
TE
S
T
IC
1
TE
S
T
IC
2
TE
S
T
01
TE
S
T
02
TE
S
T
03
TE
S
T
04
TE
S
T
05
TE
S
T
06
TE
S
T
07
TE
S
T
08
TE
S
T
09
TE
S
T
10
TE
S
T
11
TE
S
T
12
TE
S
T
13
TE
S
T
14
EX
T
A
LT
F
EX
T
D
YC
O0
EX
T
D
YC
O1
EX
T
D
YC
O2
EX
T
D
YC
O3
EX
T
D
YC
O4
EX
T
D
YC
O5
EX
T
D
YC
O6
EX
T
D
YC
O7
EX
T
D
YC
O8
EX
T
D
YC
O9
DG
ND
RA
M
DG
ND
RA
M
DVDDRAM
DVDDRAM
TEST15
TEST16
TEST17
TEST18
TEST19
DVDIO
TEST20
DGND
TEST21
TEST22
TEST23
TEST24
DVDD
AVDD
XI
XO
AGND
FSCO
AG
N
D
FS
C
I
AV
D
D
CK
MD
DG
ND
CL
K
B
RS
TB
SLA
0
SC
L
SD
A
ST
0
ST
1
NS
TD
DV
DD
DY
CO
0
DY
CO
1
DY
CO
2
DY
CO
3
DY
CO
4
DY
CO
5
DY
CO
6
DY
CO
7
DY
CO
8
DY
CO
9
ALT
F
CS
I
RP
LL
LI
N
E
KI
L
DG
ND
AVDD
CBPC
ACO
AY O
CBPY
AGND
AGND
AY I
VCL
VRBY
VRTY
AVDD
AVDD
VRTC
VRBC
ACI
AGND
TEST25
TEST26
DVDD
C931
22pF
L905
15uH
FL902
EMI FILTER
1
2
3
4
6
Summary of Contents for A20E221 Series
Page 13: ...AOC A20E221 13 The color temp is for you to adjust the color temperature to one you prefer ...
Page 15: ...AOC A20E221 15 4 2 Main Board Power Circuit 4 3 Remote Control Block ...
Page 16: ...AOC A20E221 16 4 4 Key Board Control Block ...
Page 17: ...AOC A20E221 17 4 5 PC Control Block ...
Page 18: ...AOC A20E221 18 ...
Page 19: ...AOC A20E221 19 4 6 Audio Control Block ...
Page 23: ...AOC A20E221 23 ...
Page 24: ...AOC A20E221 24 ...
Page 25: ...AOC A20E221 25 ...
Page 26: ...AOC A20E221 26 7 MECHANICAL OF CABINET FRONT DIS ASSEMBLY ...
Page 54: ...AOC A20E221 54 9 PCB LAYOUT 9 1 Main Board PCB Layout ...